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Senior Infrastructure & Operations Engineer
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Senior Infrastructure & Operations Engineer - Kubernetes / Platform Reliability
London (hybrid, 2-3 days/week in Paddington)
We're working with a well-funded, fast-scaling treasury firm managing over $30bn in assets, hiring a senior infrastructure engineer to own platform reliability.
The core of the role is deep, hands-on Kubernetes - cluster internals, networking, storage, and security - across a bare-metal and cloud estate.
You'll design, operate, and harden production clusters, build the monitoring and alerting the platform runs on, and keep services stable under real load and failure.
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What you'll own:
- Production Kubernetes end to end: cluster builds, upgrades, hardening, performance - on bare-metal and AWS.
- The observability stack (metrics, logging, tracing, alerting) and the SLOs/SLIs behind it.
- The edge: Cloudflare caching, routing, and security rules.
- CI/CD that's fast, reproducible, and safe - rollouts, canaries, rollbacks - with everything as IaC.
- Incidents and postmortems, and designing out single points of failure.
What you'll need:
- Senior-level experience running production infrastructure, with strong Linux fundamentals.
- Deep Kubernetes internals: networking, storage, security.
- Strong networking foundations - TCP/IP, routing, DNS, TLS, load balancing - and a record of debugging distributed-system faults.
- Experience building monitoring and observability systems with reliable, low-noise signals.
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Bonus: multi-cluster/multi-region setups, service meshes, Elasticsearch, or other large-scale data infrastructure.
Comp: Up to £125k base plus meaningful equity.
If this sounds like you, please apply and we'll reach out with more information.
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