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Lead Network Operations Engineer

G-Research
London, GBR
Full-time
Lead
Onsite
Discovered 2 weeks ago

Full Job Posting

Key responsibilities

  • Own the day-to-day performance, stability, availability, and security of network platforms across datacentre, WAN, and campus environments
  • Lead response to critical incidents, driving rapid diagnosis, containment, and long-term remediation
  • Champion an automation-first approach, reducing operational toil through tooling, observability, and emerging technologies (including agentic AI)
  • Develop and refine operational tooling, runbooks, and incident response frameworks to ensure consistent, high-quality service delivery
  • Support an event-driven network architecture aligned with Infrastructure as Code principles
  • Enhance observability across telemetry, alerting, and performance monitoring to enable proactive operations
  • Partner with Network and Security Engineering to ensure new designs meet operational, performance, and security standards
  • Drive continuous improvement initiatives focused on efficiency, reliability, and scalability
  • Identify systemic issues through incident analysis and implement structural, long-term fixes
  • Support capacity planning, performance optimisation, and operational readiness for changes and upgrades
  • Who are we looking for?
  • The ideal candidate will have the following experience:
  • Strong hands-on experience in networking operations within enterprise or large-scale environments (datacentre, WAN, campus)
  • Proven experience operating network security infrastructure (firewalls, load balancers, proxies, TACACS)
  • Solid understanding of switching and routing (Cisco/Arista, L2/L3) and routing protocols (BGP, EVPN-VXLAN)
  • Good knowledge of modern network security principles (e.g. zero trust, micro-segmentation)
  • Experience managing physical network circuits and vendor relationships
  • Familiarity with automation and CI/CD tooling (e.g. Ansible, Python, Jenkins) and Infrastructure as Code
  • Experience with observability and monitoring tools (e.g. Prometheus, Grafana, OpenTelemetry, ELK)
  • Strong ability to analyse and troubleshoot distributed systems end-to-end
  • Proactive, self-starting mindset with a strong sense of ownership
  • Comfortable engaging with stakeholders across infrastructure and application teams
  • 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
  • G-Research is committed to cultivating and preserving an inclusive work environment. We are an ideas-driven business and we place great value on diversity of experience and opinions.
  • We want to ensure that applicants receive a recruitment experience that enables them to perform at their best. If you have a disability or special need that requires accommodation please let us know in the relevant section

Qualifications

  • Familiarity with automation and CI/CD tooling (e.g. Ansible, Python, Jenkins) and Infrastructure as Code
  • Experience with observability and monitoring tools (e.g. Prometheus, Grafana, OpenTelemetry, ELK)

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