Senior Network Reliability Engineer

Detailed Job Description

Key responsibilities

• Own reliability outcomes for mission-critical network services (availability, performance, recoverability) and drive measurable improvements.
• Lead major incident response: establish response rigor, coordinate technical mitigation, coach responders, and ensure high-quality post-incident learning.
• Own problem management end-to-end: author/approve RCAs, identify systemic root causes, and drive durable remediation and prevention.
• Architect automation frameworks using Python, Shell, and Ansible (e.g., self-healing patterns where appropriate, automated remediation with guardrails, validation pipelines, standardized tooling).
• Provide deep technical leadership across:
  • SD-WAN, SDA, and software-defined networking (SND)
  • Routing and Switching
  • Firewalls, Load Balancers, Proxies
  • Strong preference for Cisco ACI / Fabrics; VMware NSX as a plus
• Partner with developers/platform teams to develop observability insights: define operational signals, reduce alert noise, improve actionability, and align monitoring to service health.
• Embed SRE engineering practices into design and delivery:
  • Translate NFRs into controls, standards, and measurable targets
  • Apply FMEA-style risk analysis to designs/changes to reduce failure impact
  • Drive operational readiness reviews, resilience testing, and change safety mechanisms
• Mentor engineers, set technical standards, influence cross-team roadmaps, and deliver outcomes with minimal supervision.

Required qualifications

• Extensive experience operating and engineering large-scale networks with strong troubleshooting depth.
• Proven leadership in major incidents, RCA, and delivery of long-term fixes that reduce repeat incidents.
• Advanced automation track record using Python, Shell, and Ansible, with demonstrable toil reduction and reliability gains.
• Strong applied understanding of SRE concepts, NFRs, and FMEA (or equivalent failure/risk analysis).
• Strong ownership mindset, stakeholder management, and ability to drive delivery independently.

Preferred qualifications

• Strong expertise with Cisco ACI / Fabrics.
• VMware NSX experience (nice-to-have).
• Certifications such as CCNP/CCIE (or equivalent), plus other vendor certifications.
• Prior experience in financial institutions (advantage).