Senior Network Automation Engineer

2 weeks ago

London Area, United Kingdom OpticoreIT Full time £60,000 - £100,000 per year

Opticore IT
are currently searching for a
Senior Network Automation Engineer
to join one of our
Financial Services
clients to help automate all aspect of a growing, cutting edge datacentre and research platform. You will build tooling, pipeplines, and guardrails that turn network intent into safe, repeatable outcomes for high performance on premise datacentre.

Opticore IT
is a specialist
Network Engineer and Project Management
consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more.

This is an initial 6 month contract opportunity Inside IR35 with the prospect of extension. You will be required to be on site 5 days a week, based in Central London

What you'll be doing:

  • Design and evolve the network automation framework (source of truth, templating, validation, change control).
  • Build idempotent automation to provision and operate data centre fabrics at scale.
  • Integrate with vendor APIs and SDKs (e.g. Arista EOS, NetQ etc.)
  • Capture network intent as code, ensuring peer reviews and quality gates.
  • Instrument the network with telemetry, alerting, and SLOs to drive automated remediation.
  • Adhere to NetDevOps practices and share knowledge across the team.
  • Collaborate with network and platform engineers to translate designs into automated workflows.
  • Deliver frequent, incremental improvements through safe, tested changes.
  • Monitor vendor and industry developments and propose practical adoption paths.

What you'll bring:

  • Advanced Python development for production-grade tools and services.
  • Go (preferred) for performant tooling.
  • Strong Ansible experience (roles, collections, YAML/JSON data models).
  • Git proficiency including branching, pull requests, and semantic versioning.
  • Observability fundamentals (Prometheus, Grafana, logging and tracing).
  • Source of truth/CMDB systems (NetBox, Nautobot etc.).
  • Linux networking (iptables, DHCP, DNS) and strong Bash scripting.
  • Workflow orchestration (Temporal or equivalent).

Diversity:

At
Opticore IT
we embrace diversity and are committed to equal opportunities. We actively recruit for an inclusive and diverse workforce and as such, want to ensure we do everything we can to support your application.

We want you to feel empowered to let us know if you require any adjustments to be made with your application or interview process so please speak to our recruitment team.

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