Network Engineer: Automation, Observability & Security

G-Research; City of Westminster; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Lunch provided

Barista bar

30 days annual leave

9% company pension contributions

Healthcare

Cycle-to-work

Monthly company events

Job summary

G-Research, based in London, is seeking an experienced Network Engineer to drive reliability, performance, resilience and security of our network and security infrastructure. You will shape and own end-to-end operations, ensure robust connectivity for a global research platform and collaborate across engineering teams.

You will implement automation, support IaC/CI/CD for networking, and lead incident response with on-call rotations, postmortems and root-cause analysis.

Qualifications

• 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.

Responsibilities

• 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 Grafana, Prometheus and ThousandEyes.
• 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.

Skills

Network engineering

SRE observability automation

Cisco & Arista networking

BGP OSPF EVPN VXLAN MPLS

Automation scripting

Tools

Grafana

Prometheus

ThousandEyes

OpenTelemetry

Python

Ansible

Jinja2

Git

Jenkins

Job description

G-Research, based in London, is seeking an experienced Network Engineer to drive reliability, performance, resilience and security of our network and security infrastructure. You will shape and own end-to-end operations, ensure robust connectivity for a global research platform and collaborate across engineering teams.

You will implement automation, support IaC/CI/CD for networking, and lead incident response with on-call rotations, postmortems and root-cause analysis.