Network Engineer

We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity.

From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas take time to evolve. Together we’re building a world-class platform to amplify our teams’ most powerful ideas.

As part of our engineering team, you’ll shape the platforms and tools that drive high-impact research - designing systems that scale, accelerate discovery and support innovation across the firm.

Take the next step in your career.

The role

We are looking for an experienced Network Engineer to drive the reliability, performance, resilience and security of our network and network security infrastructure.

Key responsibilities of the role include:

• Owning the operational performance, stability, availability and security posture of network and network security platforms end to end
• Enhancing observability across telemetry, alerting and performance monitoring using tools such as Grafana, Prometheus and ThousandEyes to enable proactive operations
• Implementing and maintaining scalable, resilient datacentre network infrastructure built on Cisco and Arista technologies
• Championing automation of operational tasks using Python, Ansible, Jinja2 and Git
• Supporting and extending Infrastructure-as-Code and CI/CD practices for network provisioning
• Owning break/fix and incident response for complex enterprise and campus network issues
• Driving incident management practices, including on-call rotation, escalation procedures, postmortems and root-cause analysis
• Implementing and managing WAN CEs, with knowledge of MPLS or Segment Routing

Who are we looking for?

The ideal candidate will have the following experience:

• Strong background as a Network Engineer in enterprise or large-scale environments
• Experience applying SRE, observability and automation principles to networking, using technologies such as Python, Prometheus, Grafana, OpenTelemetry, Ansible and Jenkins
• Experience with Cisco and Arista switching and routing, alongside network security infrastructure, including firewalls, IDS/IPS and network segmentation
• Expertise in Cisco and Arista platforms, including IOS, IOS-XR, NX-OS and EOS
• In-depth understanding and hands-on experience with BGP, OSPF, EVPN, VXLAN and MPLS
• Experience with network monitoring tools and predictive analysis systems

Why should you apply?

• Highly competitive compensation plus annual discretionary bonus
• Lunch provided (via Just Eat for Business) and dedicated barista bar
• 30 days' annual leave
• 9% company pension contributions
• Informal dress code and excellent work/life balance
• Comprehensive healthcare and life assurance
• Cycle-to-work scheme
• Monthly company events

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