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JC
Senior Network Reliability Engineer
JPMorgan Chase · Buenos Aires, Argentina
About The Role
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).
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