Software Engineer (Infrastructure Automation) – HFT Firm

Software Engineer (Infrastructure Automation) – HFT Firm – London – £120,000 + bonus

I’m working with an elite proprietary trading firm hiring a Software Engineer (Infrastructure Automation) to automate the management of their bare‑metal HFT estate end‑to‑end.

• Long‑established systematic trading firm with deep in‑house technology
• Small, collaborative team – open codebase, real ownership, no corporate overhead

This is a hands‑on building role. You’ll own their bespoke in‑house Linux provisioning platform and replace manual, repeatable work with reliable automation across the estate. No finance experience required.

What you’ll be working on:

• Owning and extending a bespoke in‑house Linux host provisioning platform (Python)
• Automating patching, secrets management, and OS lifecycle across the estate
• Bringing network and firewall config under version control via Git‑based PR workflows
• Automating application build and release processes, plus a hardened base build for Windows
• Strengthening monitoring and alerting so problems surface before they bite

What they’re looking for:

• Strong, current professional Python – this is the language behind all their automation
• Deep, hands‑on Linux systems administration with genuine OS‑level understanding
• Track record automating infrastructure at scale – declarative, idempotent, version‑controlled
• Solid networking fundamentals (VLANs, routing, firewalls) and secrets management experience (Vault or equivalent)
• Bare‑metal provisioning and virtualisation familiarity; image‑based OS approaches a strong plus

What’s on offer:

• Highly competitive salary + discretionary bonus
• Genuine end‑to‑end ownership of a substantial infrastructure estate
• Work alongside highly experienced engineers, traders, and quants in a small, high‑trust team
• Strong benefits – private healthcare, contributory pension, generous leave

A rare chance to own and automate a real HFT infrastructure estate from the ground up – with the autonomy and technical depth to match.

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