Network Engineer

G-Research; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Discretionary bonus

Healthcare

Pension

Relocation support

Cycle to work

Lunch provided

Company events

Job summary

G-Research in London is hiring a Network Engineer to enhance reliability, performance, resilience and security of our network infrastructure. The role focuses on ensuring network and security platforms operate effectively and securely.

You will implement observability with Grafana and Prometheus, manage Cisco and Arista platforms, and drive automation using Python, Ansible and CI/CD practices. The position offers strong growth and a competitive package.

Qualifications

• Proven enterprise network engineering experience.
• Strong hands-on with BGP/OSPF/EVPN/VXLAN/MPLS.
• Experience applying SRE, observability, and automation to networking.
• Familiarity with Cisco and Arista switching/routing and security infra.

Responsibilities

• Oversee performance, stability, availability and security of network platforms.
• Enhance observability with Grafana, Prometheus and ThousandEyes.
• Maintain scalable, resilient datacentre network using Cisco/Arista.
• Promote automation with Python, Ansible, Jinja2, Git.
• Support Infrastructure-as-Code and CI/CD for network provisioning.
• Handle break/fix and incident response for enterprise networks.
• Drive incident management, on-call, postmortems and root-cause analysis.
• Manage WAN edge devices with MPLS/Segment Routing knowledge.

Skills

Cisco IOS

Cisco NX-OS

Arista EOS

BGP

OSPF

VXLAN

MPLS

SRE observability

Python

Ansible

Jenkins

Tools

Prometheus

Grafana

OpenTelemetry

CI/CD tooling

Job description

Network Engineer Overview

Company Name: G-Research

Job Role: Network Engineer

Qualifications: Not Specified

Category: IT Jobs

Job Type: Full Time

Location: London

We are seeking a skilled Network Engineer to enhance the reliability, performance, resilience, and security of our network infrastructure. This role is crucial in ensuring that our network and network security platforms operate effectively and securely.

Key Responsibilities

• Oversee the operational performance, stability, availability, and security posture of network and network security platforms from start to finish.


• Enhance observability across telemetry, alerting, and performance monitoring using tools like Grafana, Prometheus, and ThousandEyes to facilitate proactive operations.


• Implement and maintain scalable and resilient datacentre network infrastructure utilizing Cisco and Arista technologies.


• Promote the automation of operational tasks through the use of Python, Ansible, Jinja2, and Git.


• Support and expand Infrastructure-as-Code and CI/CD practices for network provisioning.


• Manage break/fix and incident response for complex enterprise and campus network issues.


• Drive incident management practices, including on-call rotation, escalation procedures, postmortems, and root-cause analysis.


• Implement and manage WAN Customer Edge devices, with knowledge of MPLS or Segment Routing.

Candidate Profile

• Proven experience as a Network Engineer in enterprise or large‑scale environments.


• Experience applying Site Reliability Engineering (SRE), observability, and automation principles to networking, utilizing technologies such as Python, Prometheus, Grafana, OpenTelemetry, Ansible, and Jenkins.


• Familiarity with Cisco and Arista switching and routing, as well as 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 knowledge and hands‑on experience with BGP, OSPF, EVPN, VXLAN, and MPLS.


• Experience with network monitoring tools and predictive analysis systems.

Benefits

• Highly competitive salary with an annual discretionary bonus.


• Lunch provided through Just Eat for Business and access to a dedicated barista bar.


• 30 days of annual leave.


• 9% contributions to the company pension scheme.


• Informal dress code and a strong emphasis on work/life balance.


• Comprehensive healthcare and life assurance.


• Cycle‑to‑work scheme.


• Monthly company events.


• Relocation support covering costs associated with moving and immigration, including a personal consultant for travel and housing arrangements.

This position is based in London, and we are excited to welcome a talented individual to our engineering team.

Degree Requirement: Not Specified

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