Enphase Energy Careers - Mechanical Design Engineer — Austin, TX (Temp)

Enphase Energy Careers { "@context": "http://schema.org", "@type": "JobPosting", "datePosted": "2026-07-09", "description": "

Enphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, our innovative microinverter technology revolutionized solar power, making it a safer, more reliable, and scalable energy source. Today, the Enphase Energy System enables users to make, use, save, and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world, with more than 80 million products shipped across 160 countries.\u00A0\u00A0\u00A0Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!

About the Role

The Enphase Power Systems Innovation team in the office of the CTO is responsible for defining, prototyping, and supporting Enphase\u2019s Solid State Transformer product line. We are seeking a temporary Mechanical Design Engineer (Senior or Staff level) to build and iterate on prototype systems for medium-voltage power conversion platforms, including solid-state transformers (SSTs) and associated enclosure and skid-level packaging. The temp position will be required to be onsite in our Austin, TX location.

This is a hands-on prototyping, design and execution role. The contractor will translate engineers\u2019 design concepts into physical prototype assemblies, working under the direction of the mechanical engineering lead. The primary focus is building, assembling, and iterating on prototype hardware\u2014not originating design concepts. This is a contractor position, not a full-time employment offer.

What You Will Do

• Build and assemble prototype systems from engineers\u2019 design concepts\u2014translate sketches, 3D models, and specifications into physical hardware, delivering assembled prototype units ready for test
• Hands-on fabrication, assembly, and rework\u2014work directly on electromechanical prototype assemblies including enclosures, busbars, heatsinks, wiring harnesses, and mounting structures
• Rapid prototype iteration\u2014identify fit and assembly issues during builds, propose practical fixes, and implement changes on the bench to keep development moving
• Execute engineers\u2019 design ideas end-to-end\u2014source parts, coordinate with vendors, fabricate components, and deliver completed assemblies on schedule
• Vendor and shop interface\u2014work with sheet metal vendors, machine shops, and contract manufacturers to procure prototype parts on tight timelines
• Wire harness builds\u2014connector termination, cable routing, strain relief, labeling, and point-to-point verification per harness drawings
• Busbar fabrication\u2014cutting, bending, drilling, insulating, and installing busbar assemblies per engineering drawings
• Test fixture design and build\u2014create fixtures for Hi-Pot, partial discharge, corona, vibration, and ingress protection testing
• CAD support for prototype builds\u2014create and modify 3D models and detailed manufacturing drawings (SolidWorks preferred) as needed to support fabrication
• BOM and parts tracking\u2014generate BOMs, track prototype parts, and coordinate with supply chain for component specifications and vendor drawings
• Documentation\u2014complete as-built records, build logs, test reports, and design file maintenance in the company PDM/PLM system

Who You Are and What You Bring

• A demonstrated track record of excellence in hands-on prototype building and mechanical fabrication
• BS/MS Mechanical Engineering or closely related discipline
• Experience: Senior (5+ years) or Staff (10+ years) of hands-on mechanical design and prototyping in power electronics, power conversion, or analogous high-power electrical products
• Minimum Skills, Knowledge, and Special Attributes
• Prototype builder at heart\u2014you are as comfortable on the shop floor building assemblies as you are behind a screen reviewing drawings; hands-on fabrication is your primary mode of work
• Independent problem solver\u2014ability to work effectively on early-stage product development efforts with ambiguous requirements and tasks
• Electromechanical assembly expertise\u2014significant experience building and integrating electrical support equipment for power electronics, power conversion, or analogous high-power electrical products
• Busbar fabrication proficiency\u2014hands-on experience with conductor sizing, laminated busbar stack-ups, insulation systems, and mechanical mounting methods
• Wire harness build experience\u2014routing, connector and terminal crimping, wire gauge selection, and point-to-point verification
• Mechanical packaging for electronics\u2014experience assembling packaging for electronic boards, including shock and vibration isolation, EMI shielding, and board-level interconnects
• Connector systems knowledge\u2014power and signal connectors, contact ratings, environmental sealing, keying, and mating cycle durability
• Manufacturing-savvy builder\u2014you understand sheet metal fabrication, CNC machining, injection molding, stamping, and die casting well enough to flag issues and work effectively with manufacturing partners

Work Location

Austin, TX

The hourly rate range for this position is $43 to $65 and may vary based on experience, skills, and location. This position final compensation determined in accordance with applicable laws and internal equity.

", "hiringOrganization": "Enphase Energy", "employmentType": "Contingent Worker\/Payrolling", "industry": "Engineering", "identifier": "ouqtAfwH", "jobLocation": [ { "@type": "Place", "address": { "@type": "PostalAddress", "addressLocality": "Austin", "addressRegion": "Texas", "addressCountry": "United States" } } ], "title": "Mechanical Design Engineer \u2014 Austin, TX (Temp - Local Candidates Only)", "baseSalary": { "@type": "MonetaryAmount", "currency": "", "value": { "@type": "QuantitativeValue", "minValue": "", "maxValue": "", "unitText": "" } } } Mechanical Design Engineer — Austin, TX (Temp - Local Candidates Only) Engineering Austin, Texas Apply Description Enphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, our innovative microinverter technology revolutionized solar power, making it a safer, more reliable, and scalable energy source. Today, the Enphase Energy System enables users to make, use, save, and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world, with more than 80 million products shipped across 160 countries. Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!About the RoleThe Enphase Power Systems Innovation team in the office of the CTO is responsible for defining, prototyping, and supporting Enphase’s Solid State Transformer product line. We are seeking a temporary Mechanical Design Engineer (Senior or Staff level) to build and iterate on prototype systems for medium-voltage power conversion platforms, including solid-state transformers (SSTs) and associated enclosure and skid-level packaging. The temp position will be required to be onsite in our Austin, TX location.This is a hands-on prototyping, design and execution role. The contractor will translate engineers’ design concepts into physical prototype assemblies, working under the direction of the mechanical engineering lead. The primary focus is building, assembling, and iterating on prototype hardware—not originating design concepts. This is a contractor position, not a full-time employment offer.What You Will DoBuild and assemble prototype systems from engineers’ design concepts—translate sketches, 3D models, and specifications into physical hardware, delivering assembled prototype units ready for testHands-on fabrication, assembly, and rework—work directly on electromechanical prototype assemblies including enclosures, busbars, heatsinks, wiring harnesses, and mounting structuresRapid prototype iteration—identify fit and assembly issues during builds, propose practical fixes, and implement changes on the bench to keep development movingExecute engineers’ design ideas end-to-end—source parts, coordinate with vendors, fabricate components, and deliver completed assemblies on scheduleVendor and shop interface—work with sheet metal vendors, machine shops, and contract manufacturers to procure prototype parts on tight timelinesWire harness builds—connector termination, cable routing, strain relief, labeling, and point-to-point verification per harness drawingsBusbar fabrication—cutting, bending, drilling, insulating, and installing busbar assemblies per engineering drawingsTest fixture design and build—create fixtures for Hi-Pot, partial discharge, corona, vibration, and ingress protection testingCAD support for prototype builds—create and modify 3D models and detailed manufacturing drawings (SolidWorks preferred) as needed to support fabricationBOM and parts tracking—generate BOMs, track prototype parts, and coordinate with supply chain for component specifications and vendor drawingsDocumentation—complete as-built records, build logs, test reports, and design file maintenance in the company PDM/PLM systemWho You Are and What You BringA demonstrated track record of excellence in hands-on prototype building and mechanical fabricationBS/MS Mechanical Engineering or closely related disciplineExperience: Senior (5+ years) or Staff (10+ years) of hands-on mechanical design and prototyping in power electronics, power conversion, or analogous high-power electrical productsMinimum Skills, Knowledge, and Special AttributesPrototype builder at heart—you are as comfortable on the shop floor building assemblies as you are behind a screen reviewing drawings; hands-on fabrication is your primary mode of workIndependent problem solver—ability to work effectively on early-stage product development efforts with ambiguous requirements and tasksElectromechanical assembly expertise—significant experience building and integrating electrical support equipment for power electronics, power conversion, or analogous high-power electrical productsBusbar fabrication proficiency—hands-on experience with conductor sizing, laminated busbar stack-ups, insulation systems, and mechanical mounting methodsWire harness build experience—routing, connector and terminal crimping, wire gauge selection, and point-to-point verificationMechanical packaging for electronics—experience assembling packaging for electronic boards, including shock and vibration isolation, EMI shielding, and board-level interconnectsConnector systems knowledge—power and signal connectors, contact ratings, environmental sealing, keying, and mating cycle durabilityManufacturing-savvy builder—you understand sheet metal fabrication, CNC machining, injection molding, stamping, and die casting well enough to flag issues and work effectively with manufacturing partnersWork LocationAustin, TXThe hourly rate range for this position is $43 to $65 and may vary based on experience, skills, and location. This position final compensation determined in accordance with applicable laws and internal equity. Apply Apply Later ← Back to Current Openings Share lang: en_US Share LinkedIn Facebook Twitter Email Powered by Jobvite

Enphase Energy Careers { "@context": "http://schema.org", "@type": "JobPosting", "datePosted": "2026-07-09", "description": "

Enphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, our innovative microinverter technology revolutionized solar power, making it a safer, more reliable, and scalable energy source. Today, the Enphase Energy System enables users to make, use, save, and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world, with more than 80 million products shipped across 160 countries.\u00A0\u00A0\u00A0Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!

About the Role

The Enphase Power Systems Innovation team in the office of the CTO is responsible for defining, prototyping, and supporting Enphase\u2019s Solid State Transformer product line. We are seeking a temporary Mechanical Design Engineer (Senior or Staff level) to build and iterate on prototype systems for medium-voltage power conversion platforms, including solid-state transformers (SSTs) and associated enclosure and skid-level packaging. The temp position will be required to be onsite in our Austin, TX location.

This is a hands-on prototyping, design and execution role. The contractor will translate engineers\u2019 design concepts into physical prototype assemblies, working under the direction of the mechanical engineering lead. The primary focus is building, assembling, and iterating on prototype hardware\u2014not originating design concepts. This is a contractor position, not a full-time employment offer.

What You Will Do

• Build and assemble prototype systems from engineers\u2019 design concepts\u2014translate sketches, 3D models, and specifications into physical hardware, delivering assembled prototype units ready for test
• Hands-on fabrication, assembly, and rework\u2014work directly on electromechanical prototype assemblies including enclosures, busbars, heatsinks, wiring harnesses, and mounting structures
• Rapid prototype iteration\u2014identify fit and assembly issues during builds, propose practical fixes, and implement changes on the bench to keep development moving
• Execute engineers\u2019 design ideas end-to-end\u2014source parts, coordinate with vendors, fabricate components, and deliver completed assemblies on schedule
• Vendor and shop interface\u2014work with sheet metal vendors, machine shops, and contract manufacturers to procure prototype parts on tight timelines
• Wire harness builds\u2014connector termination, cable routing, strain relief, labeling, and point-to-point verification per harness drawings
• Busbar fabrication\u2014cutting, bending, drilling, insulating, and installing busbar assemblies per engineering drawings
• Test fixture design and build\u2014create fixtures for Hi-Pot, partial discharge, corona, vibration, and ingress protection testing
• CAD support for prototype builds\u2014create and modify 3D models and detailed manufacturing drawings (SolidWorks preferred) as needed to support fabrication
• BOM and parts tracking\u2014generate BOMs, track prototype parts, and coordinate with supply chain for component specifications and vendor drawings
• Documentation\u2014complete as-built records, build logs, test reports, and design file maintenance in the company PDM/PLM system

Who You Are and What You Bring

• A demonstrated track record of excellence in hands-on prototype building and mechanical fabrication
• BS/MS Mechanical Engineering or closely related discipline
• Experience: Senior (5+ years) or Staff (10+ years) of hands-on mechanical design and prototyping in power electronics, power conversion, or analogous high-power electrical products
• Minimum Skills, Knowledge, and Special Attributes
• Prototype builder at heart\u2014you are as comfortable on the shop floor building assemblies as you are behind a screen reviewing drawings; hands-on fabrication is your primary mode of work
• Independent problem solver\u2014ability to work effectively on early-stage product development efforts with ambiguous requirements and tasks
• Electromechanical assembly expertise\u2014significant experience building and integrating electrical support equipment for power electronics, power conversion, or analogous high-power electrical products
• Busbar fabrication proficiency\u2014hands-on experience with conductor sizing, laminated busbar stack-ups, insulation systems, and mechanical mounting methods
• Wire harness build experience\u2014routing, connector and terminal crimping, wire gauge selection, and point-to-point verification
• Mechanical packaging for electronics\u2014experience assembling packaging for electronic boards, including shock and vibration isolation, EMI shielding, and board-level interconnects
• Connector systems knowledge\u2014power and signal connectors, contact ratings, environmental sealing, keying, and mating cycle durability
• Manufacturing-savvy builder\u2014you understand sheet metal fabrication, CNC machining, injection molding, stamping, and die casting well enough to flag issues and work effectively with manufacturing partners

Work Location

Austin, TX

The hourly rate range for this position is $43 to $65 and may vary based on experience, skills, and location. This position final compensation determined in accordance with applicable laws and internal equity.

", "hiringOrganization": "Enphase Energy", "employmentType": "Contingent Worker\/Payrolling", "industry": "Engineering", "identifier": "ouqtAfwH", "jobLocation": [ { "@type": "Place", "address": { "@type": "PostalAddress", "addressLocality": "Austin", "addressRegion": "Texas", "addressCountry": "United States" } } ], "title": "Mechanical Design Engineer \u2014 Austin, TX (Temp - Local Candidates Only)", "baseSalary": { "@type": "MonetaryAmount", "currency": "", "value": { "@type": "QuantitativeValue", "minValue": "", "maxValue": "", "unitText": "" } } } Mechanical Design Engineer — Austin, TX (Temp - Local Candidates Only) Engineering Austin, Texas Apply Description Enphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, our innovative microinverter technology revolutionized solar power, making it a safer, more reliable, and scalable energy source. Today, the Enphase Energy System enables users to make, use, save, and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world, with more than 80 million products shipped across 160 countries. Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!About the RoleThe Enphase Power Systems Innovation team in the office of the CTO is responsible for defining, prototyping, and supporting Enphase’s Solid State Transformer product line. We are seeking a temporary Mechanical Design Engineer (Senior or Staff level) to build and iterate on prototype systems for medium-voltage power conversion platforms, including solid-state transformers (SSTs) and associated enclosure and skid-level packaging. The temp position will be required to be onsite in our Austin, TX location.This is a hands-on prototyping, design and execution role. The contractor will translate engineers’ design concepts into physical prototype assemblies, working under the direction of the mechanical engineering lead. The primary focus is building, assembling, and iterating on prototype hardware—not originating design concepts. This is a contractor position, not a full-time employment offer.What You Will DoBuild and assemble prototype systems from engineers’ design concepts—translate sketches, 3D models, and specifications into physical hardware, delivering assembled prototype units ready for testHands-on fabrication, assembly, and rework—work directly on electromechanical prototype assemblies including enclosures, busbars, heatsinks, wiring harnesses, and mounting structuresRapid prototype iteration—identify fit and assembly issues during builds, propose practical fixes, and implement changes on the bench to keep development movingExecute engineers’ design ideas end-to-end—source parts, coordinate with vendors, fabricate components, and deliver completed assemblies on scheduleVendor and shop interface—work with sheet metal vendors, machine shops, and contract manufacturers to procure prototype parts on tight timelinesWire harness builds—connector termination, cable routing, strain relief, labeling, and point-to-point verification per harness drawingsBusbar fabrication—cutting, bending, drilling, insulating, and installing busbar assemblies per engineering drawingsTest fixture design and build—create fixtures for Hi-Pot, partial discharge, corona, vibration, and ingress protection testingCAD support for prototype builds—create and modify 3D models and detailed manufacturing drawings (SolidWorks preferred) as needed to support fabricationBOM and parts tracking—generate BOMs, track prototype parts, and coordinate with supply chain for component specifications and vendor drawingsDocumentation—complete as-built records, build logs, test reports, and design file maintenance in the company PDM/PLM systemWho You Are and What You BringA demonstrated track record of excellence in hands-on prototype building and mechanical fabricationBS/MS Mechanical Engineering or closely related disciplineExperience: Senior (5+ years) or Staff (10+ years) of hands-on mechanical design and prototyping in power electronics, power conversion, or analogous high-power electrical productsMinimum Skills, Knowledge, and Special AttributesPrototype builder at heart—you are as comfortable on the shop floor building assemblies as you are behind a screen reviewing drawings; hands-on fabrication is your primary mode of workIndependent problem solver—ability to work effectively on early-stage product development efforts with ambiguous requirements and tasksElectromechanical assembly expertise—significant experience building and integrating electrical support equipment for power electronics, power conversion, or analogous high-power electrical productsBusbar fabrication proficiency—hands-on experience with conductor sizing, laminated busbar stack-ups, insulation systems, and mechanical mounting methodsWire harness build experience—routing, connector and terminal crimping, wire gauge selection, and point-to-point verificationMechanical packaging for electronics—experience assembling packaging for electronic boards, including shock and vibration isolation, EMI shielding, and board-level interconnectsConnector systems knowledge—power and signal connectors, contact ratings, environmental sealing, keying, and mating cycle durabilityManufacturing-savvy builder—you understand sheet metal fabrication, CNC machining, injection molding, stamping, and die casting well enough to flag issues and work effectively with manufacturing partnersWork LocationAustin, TXThe hourly rate range for this position is $43 to $65 and may vary based on experience, skills, and location. This position final compensation determined in accordance with applicable laws and internal equity. Apply Apply Later ← Back to Current Openings Share lang: en_US Share LinkedIn Facebook Twitter Email Powered by Jobvite

Enphase Energy Careers { "@context": "http://schema.org", "@type": "JobPosting", "datePosted": "2026-07-09", "description": "

Enphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, our innovative microinverter technology revolutionized solar power, making it a safer, more reliable, and scalable energy source. Today, the Enphase Energy System enables users to make, use, save, and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world, with more than 80 million products shipped across 160 countries.\u00A0\u00A0\u00A0Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!

About the Role

The Enphase Power Systems Innovation team in the office of the CTO is responsible for defining, prototyping, and supporting Enphase\u2019s Solid State Transformer product line. We are seeking a temporary Mechanical Design Engineer (Senior or Staff level) to build and iterate on prototype systems for medium-voltage power conversion platforms, including solid-state transformers (SSTs) and associated enclosure and skid-level packaging. The temp position will be required to be onsite in our Austin, TX location.

This is a hands-on prototyping, design and execution role. The contractor will translate engineers\u2019 design concepts into physical prototype assemblies, working under the direction of the mechanical engineering lead. The primary focus is building, assembling, and iterating on prototype hardware\u2014not originating design concepts. This is a contractor position, not a full-time employment offer.

What You Will Do

• Build and assemble prototype systems from engineers\u2019 design concepts\u2014translate sketches, 3D models, and specifications into physical hardware, delivering assembled prototype units ready for test
• Hands-on fabrication, assembly, and rework\u2014work directly on electromechanical prototype assemblies including enclosures, busbars, heatsinks, wiring harnesses, and mounting structures
• Rapid prototype iteration\u2014identify fit and assembly issues during builds, propose practical fixes, and implement changes on the bench to keep development moving
• Execute engineers\u2019 design ideas end-to-end\u2014source parts, coordinate with vendors, fabricate components, and deliver completed assemblies on schedule
• Vendor and shop interface\u2014work with sheet metal vendors, machine shops, and contract manufacturers to procure prototype parts on tight timelines
• Wire harness builds\u2014connector termination, cable routing, strain relief, labeling, and point-to-point verification per harness drawings
• Busbar fabrication\u2014cutting, bending, drilling, insulating, and installing busbar assemblies per engineering drawings
• Test fixture design and build\u2014create fixtures for Hi-Pot, partial discharge, corona, vibration, and ingress protection testing
• CAD support for prototype builds\u2014create and modify 3D models and detailed manufacturing drawings (SolidWorks preferred) as needed to support fabrication
• BOM and parts tracking\u2014generate BOMs, track prototype parts, and coordinate with supply chain for component specifications and vendor drawings
• Documentation\u2014complete as-built records, build logs, test reports, and design file maintenance in the company PDM/PLM system

Who You Are and What You Bring

• A demonstrated track record of excellence in hands-on prototype building and mechanical fabrication
• BS/MS Mechanical Engineering or closely related discipline
• Experience: Senior (5+ years) or Staff (10+ years) of hands-on mechanical design and prototyping in power electronics, power conversion, or analogous high-power electrical products
• Minimum Skills, Knowledge, and Special Attributes
• Prototype builder at heart\u2014you are as comfortable on the shop floor building assemblies as you are behind a screen reviewing drawings; hands-on fabrication is your primary mode of work
• Independent problem solver\u2014ability to work effectively on early-stage product development efforts with ambiguous requirements and tasks
• Electromechanical assembly expertise\u2014significant experience building and integrating electrical support equipment for power electronics, power conversion, or analogous high-power electrical products
• Busbar fabrication proficiency\u2014hands-on experience with conductor sizing, laminated busbar stack-ups, insulation systems, and mechanical mounting methods
• Wire harness build experience\u2014routing, connector and terminal crimping, wire gauge selection, and point-to-point verification
• Mechanical packaging for electronics\u2014experience assembling packaging for electronic boards, including shock and vibration isolation, EMI shielding, and board-level interconnects
• Connector systems knowledge\u2014power and signal connectors, contact ratings, environmental sealing, keying, and mating cycle durability
• Manufacturing-savvy builder\u2014you understand sheet metal fabrication, CNC machining, injection molding, stamping, and die casting well enough to flag issues and work effectively with manufacturing partners

Work Location

Austin, TX

The hourly rate range for this position is $43 to $65 and may vary based on experience, skills, and location. This position final compensation determined in accordance with applicable laws and internal equity.

", "hiringOrganization": "Enphase Energy", "employmentType": "Contingent Worker\/Payrolling", "industry": "Engineering", "identifier": "ouqtAfwH", "jobLocation": [ { "@type": "Place", "address": { "@type": "PostalAddress", "addressLocality": "Austin", "addressRegion": "Texas", "addressCountry": "United States" } } ], "title": "Mechanical Design Engineer \u2014 Austin, TX (Temp - Local Candidates Only)", "baseSalary": { "@type": "MonetaryAmount", "currency": "", "value": { "@type": "QuantitativeValue", "minValue": "", "maxValue": "", "unitText": "" } } } Mechanical Design Engineer — Austin, TX (Temp - Local Candidates Only) Engineering Austin, Texas Apply Description Enphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, our innovative microinverter technology revolutionized solar power, making it a safer, more reliable, and scalable energy source. Today, the Enphase Energy System enables users to make, use, save, and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world, with more than 80 million products shipped across 160 countries. Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!About the RoleThe Enphase Power Systems Innovation team in the office of the CTO is responsible for defining, prototyping, and supporting Enphase’s Solid State Transformer product line. We are seeking a temporary Mechanical Design Engineer (Senior or Staff level) to build and iterate on prototype systems for medium-voltage power conversion platforms, including solid-state transformers (SSTs) and associated enclosure and skid-level packaging. The temp position will be required to be onsite in our Austin, TX location.This is a hands-on prototyping, design and execution role. The contractor will translate engineers’ design concepts into physical prototype assemblies, working under the direction of the mechanical engineering lead. The primary focus is building, assembling, and iterating on prototype hardware—not originating design concepts. This is a contractor position, not a full-time employment offer.What You Will DoBuild and assemble prototype systems from engineers’ design concepts—translate sketches, 3D models, and specifications into physical hardware, delivering assembled prototype units ready for testHands-on fabrication, assembly, and rework—work directly on electromechanical prototype assemblies including enclosures, busbars, heatsinks, wiring harnesses, and mounting structuresRapid prototype iteration—identify fit and assembly issues during builds, propose practical fixes, and implement changes on the bench to keep development movingExecute engineers’ design ideas end-to-end—source parts, coordinate with vendors, fabricate components, and deliver completed assemblies on scheduleVendor and shop interface—work with sheet metal vendors, machine shops, and contract manufacturers to procure prototype parts on tight timelinesWire harness builds—connector termination, cable routing, strain relief, labeling, and point-to-point verification per harness drawingsBusbar fabrication—cutting, bending, drilling, insulating, and installing busbar assemblies per engineering drawingsTest fixture design and build—create fixtures for Hi-Pot, partial discharge, corona, vibration, and ingress protection testingCAD support for prototype builds—create and modify 3D models and detailed manufacturing drawings (SolidWorks preferred) as needed to support fabricationBOM and parts tracking—generate BOMs, track prototype parts, and coordinate with supply chain for component specifications and vendor drawingsDocumentation—complete as-built records, build logs, test reports, and design file maintenance in the company PDM/PLM systemWho You Are and What You BringA demonstrated track record of excellence in hands-on prototype building and mechanical fabricationBS/MS Mechanical Engineering or closely related disciplineExperience: Senior (5+ years) or Staff (10+ years) of hands-on mechanical design and prototyping in power electronics, power conversion, or analogous high-power electrical productsMinimum Skills, Knowledge, and Special AttributesPrototype builder at heart—you are as comfortable on the shop floor building assemblies as you are behind a screen reviewing drawings; hands-on fabrication is your primary mode of workIndependent problem solver—ability to work effectively on early-stage product development efforts with ambiguous requirements and tasksElectromechanical assembly expertise—significant experience building and integrating electrical support equipment for power electronics, power conversion, or analogous high-power electrical productsBusbar fabrication proficiency—hands-on experience with conductor sizing, laminated busbar stack-ups, insulation systems, and mechanical mounting methodsWire harness build experience—routing, connector and terminal crimping, wire gauge selection, and point-to-point verificationMechanical packaging for electronics—experience assembling packaging for electronic boards, including shock and vibration isolation, EMI shielding, and board-level interconnectsConnector systems knowledge—power and signal connectors, contact ratings, environmental sealing, keying, and mating cycle durabilityManufacturing-savvy builder—you understand sheet metal fabrication, CNC machining, injection molding, stamping, and die casting well enough to flag issues and work effectively with manufacturing partnersWork LocationAustin, TXThe hourly rate range for this position is $43 to $65 and may vary based on experience, skills, and location. This position final compensation determined in accordance with applicable laws and internal equity. Apply Apply Later ← Back to Current Openings Share lang: en_US Share LinkedIn Facebook Twitter Email Powered by Jobvite

{ "@context": "http://schema.org", "@type": "JobPosting", "datePosted": "2026-07-09", "description": "

Enphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, our innovative microinverter technology revolutionized solar power, making it a safer, more reliable, and scalable energy source. Today, the Enphase Energy System enables users to make, use, save, and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world, with more than 80 million products shipped across 160 countries.\u00A0\u00A0\u00A0Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!

About the Role

The Enphase Power Systems Innovation team in the office of the CTO is responsible for defining, prototyping, and supporting Enphase\u2019s Solid State Transformer product line. We are seeking a temporary Mechanical Design Engineer (Senior or Staff level) to build and iterate on prototype systems for medium-voltage power conversion platforms, including solid-state transformers (SSTs) and associated enclosure and skid-level packaging. The temp position will be required to be onsite in our Austin, TX location.

This is a hands-on prototyping, design and execution role. The contractor will translate engineers\u2019 design concepts into physical prototype assemblies, working under the direction of the mechanical engineering lead. The primary focus is building, assembling, and iterating on prototype hardware\u2014not originating design concepts. This is a contractor position, not a full-time employment offer.

What You Will Do

• Build and assemble prototype systems from engineers\u2019 design concepts\u2014translate sketches, 3D models, and specifications into physical hardware, delivering assembled prototype units ready for test
• Hands-on fabrication, assembly, and rework\u2014work directly on electromechanical prototype assemblies including enclosures, busbars, heatsinks, wiring harnesses, and mounting structures
• Rapid prototype iteration\u2014identify fit and assembly issues during builds, propose practical fixes, and implement changes on the bench to keep development moving
• Execute engineers\u2019 design ideas end-to-end\u2014source parts, coordinate with vendors, fabricate components, and deliver completed assemblies on schedule
• Vendor and shop interface\u2014work with sheet metal vendors, machine shops, and contract manufacturers to procure prototype parts on tight timelines
• Wire harness builds\u2014connector termination, cable routing, strain relief, labeling, and point-to-point verification per harness drawings
• Busbar fabrication\u2014cutting, bending, drilling, insulating, and installing busbar assemblies per engineering drawings
• Test fixture design and build\u2014create fixtures for Hi-Pot, partial discharge, corona, vibration, and ingress protection testing
• CAD support for prototype builds\u2014create and modify 3D models and detailed manufacturing drawings (SolidWorks preferred) as needed to support fabrication
• BOM and parts tracking\u2014generate BOMs, track prototype parts, and coordinate with supply chain for component specifications and vendor drawings
• Documentation\u2014complete as-built records, build logs, test reports, and design file maintenance in the company PDM/PLM system

Who You Are and What You Bring

• A demonstrated track record of excellence in hands-on prototype building and mechanical fabrication
• BS/MS Mechanical Engineering or closely related discipline
• Experience: Senior (5+ years) or Staff (10+ years) of hands-on mechanical design and prototyping in power electronics, power conversion, or analogous high-power electrical products
• Minimum Skills, Knowledge, and Special Attributes
• Prototype builder at heart\u2014you are as comfortable on the shop floor building assemblies as you are behind a screen reviewing drawings; hands-on fabrication is your primary mode of work
• Independent problem solver\u2014ability to work effectively on early-stage product development efforts with ambiguous requirements and tasks
• Electromechanical assembly expertise\u2014significant experience building and integrating electrical support equipment for power electronics, power conversion, or analogous high-power electrical products
• Busbar fabrication proficiency\u2014hands-on experience with conductor sizing, laminated busbar stack-ups, insulation systems, and mechanical mounting methods
• Wire harness build experience\u2014routing, connector and terminal crimping, wire gauge selection, and point-to-point verification
• Mechanical packaging for electronics\u2014experience assembling packaging for electronic boards, including shock and vibration isolation, EMI shielding, and board-level interconnects
• Connector systems knowledge\u2014power and signal connectors, contact ratings, environmental sealing, keying, and mating cycle durability
• Manufacturing-savvy builder\u2014you understand sheet metal fabrication, CNC machining, injection molding, stamping, and die casting well enough to flag issues and work effectively with manufacturing partners

Work Location

Austin, TX

The hourly rate range for this position is $43 to $65 and may vary based on experience, skills, and location. This position final compensation determined in accordance with applicable laws and internal equity.

", "hiringOrganization": "Enphase Energy", "employmentType": "Contingent Worker\/Payrolling", "industry": "Engineering", "identifier": "ouqtAfwH", "jobLocation": [ { "@type": "Place", "address": { "@type": "PostalAddress", "addressLocality": "Austin", "addressRegion": "Texas", "addressCountry": "United States" } } ], "title": "Mechanical Design Engineer \u2014 Austin, TX (Temp - Local Candidates Only)", "baseSalary": { "@type": "MonetaryAmount", "currency": "", "value": { "@type": "QuantitativeValue", "minValue": "", "maxValue": "", "unitText": "" } } } Mechanical Design Engineer — Austin, TX (Temp - Local Candidates Only) Engineering Austin, Texas Apply Description Enphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, our innovative microinverter technology revolutionized solar power, making it a safer, more reliable, and scalable energy source. Today, the Enphase Energy System enables users to make, use, save, and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world, with more than 80 million products shipped across 160 countries. Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!About the RoleThe Enphase Power Systems Innovation team in the office of the CTO is responsible for defining, prototyping, and supporting Enphase’s Solid State Transformer product line. We are seeking a temporary Mechanical Design Engineer (Senior or Staff level) to build and iterate on prototype systems for medium-voltage power conversion platforms, including solid-state transformers (SSTs) and associated enclosure and skid-level packaging. The temp position will be required to be onsite in our Austin, TX location.This is a hands-on prototyping, design and execution role. The contractor will translate engineers’ design concepts into physical prototype assemblies, working under the direction of the mechanical engineering lead. The primary focus is building, assembling, and iterating on prototype hardware—not originating design concepts. This is a contractor position, not a full-time employment offer.What You Will DoBuild and assemble prototype systems from engineers’ design concepts—translate sketches, 3D models, and specifications into physical hardware, delivering assembled prototype units ready for testHands-on fabrication, assembly, and rework—work directly on electromechanical prototype assemblies including enclosures, busbars, heatsinks, wiring harnesses, and mounting structuresRapid prototype iteration—identify fit and assembly issues during builds, propose practical fixes, and implement changes on the bench to keep development movingExecute engineers’ design ideas end-to-end—source parts, coordinate with vendors, fabricate components, and deliver completed assemblies on scheduleVendor and shop interface—work with sheet metal vendors, machine shops, and contract manufacturers to procure prototype parts on tight timelinesWire harness builds—connector termination, cable routing, strain relief, labeling, and point-to-point verification per harness drawingsBusbar fabrication—cutting, bending, drilling, insulating, and installing busbar assemblies per engineering drawingsTest fixture design and build—create fixtures for Hi-Pot, partial discharge, corona, vibration, and ingress protection testingCAD support for prototype builds—create and modify 3D models and detailed manufacturing drawings (SolidWorks preferred) as needed to support fabricationBOM and parts tracking—generate BOMs, track prototype parts, and coordinate with supply chain for component specifications and vendor drawingsDocumentation—complete as-built records, build logs, test reports, and design file maintenance in the company PDM/PLM systemWho You Are and What You BringA demonstrated track record of excellence in hands-on prototype building and mechanical fabricationBS/MS Mechanical Engineering or closely related disciplineExperience: Senior (5+ years) or Staff (10+ years) of hands-on mechanical design and prototyping in power electronics, power conversion, or analogous high-power electrical productsMinimum Skills, Knowledge, and Special AttributesPrototype builder at heart—you are as comfortable on the shop floor building assemblies as you are behind a screen reviewing drawings; hands-on fabrication is your primary mode of workIndependent problem solver—ability to work effectively on early-stage product development efforts with ambiguous requirements and tasksElectromechanical assembly expertise—significant experience building and integrating electrical support equipment for power electronics, power conversion, or analogous high-power electrical productsBusbar fabrication proficiency—hands-on experience with conductor sizing, laminated busbar stack-ups, insulation systems, and mechanical mounting methodsWire harness build experience—routing, connector and terminal crimping, wire gauge selection, and point-to-point verificationMechanical packaging for electronics—experience assembling packaging for electronic boards, including shock and vibration isolation, EMI shielding, and board-level interconnectsConnector systems knowledge—power and signal connectors, contact ratings, environmental sealing, keying, and mating cycle durabilityManufacturing-savvy builder—you understand sheet metal fabrication, CNC machining, injection molding, stamping, and die casting well enough to flag issues and work effectively with manufacturing partnersWork LocationAustin, TXThe hourly rate range for this position is $43 to $65 and may vary based on experience, skills, and location. This position final compensation determined in accordance with applicable laws and internal equity. Apply Apply Later ← Back to Current Openings Share lang: en_US Share LinkedIn Facebook Twitter Email

Mechanical Design Engineer — Austin, TX (Temp - Local Candidates Only)

Engineering Austin, Texas