Network Automation Engineer

G-Research; Greater London; On-site; GBP 80,000 - 120,000; Full time

Benefits offered by this job

Lunch provided

Barista bar

30 days annual leave

9% company pension contributions

Healthcare and life assurance

Cycle-to-work scheme

Monthly company events

Job summary

G-Research is seeking a highly-skilled network automation engineer to join our Colo Infrastructure team in London. You will design and build automation solutions that enable rapid deployment of new infrastructure while keeping operations reliable.

The role focuses on Python-based automation, IaC with Ansible, Terraform and Jinja2, and integrating automation into CI/CD pipelines. You will contribute to incident response and on-call tasks within a collaborative, fast-paced team.

Qualifications

• Proficient Python with testing, version control and CI/CD practices.
• Experience with infrastructure-as-code tools (Ansible, Terraform) and AI tooling (Claude Code).
• Familiarity with Docker and Kubernetes in distributed systems.
• Exposure to monitoring/observability/telemetry in large-scale platforms.
• Pragmatic, ownership-driven problem solving in ambiguous environments.
• Strong collaboration in fast-paced engineering teams.
• Deep networking fundamentals; finance-domain experience is a plus.

Responsibilities

• Build and evolve automation frameworks for network provisioning and lifecycle management.
• Develop infrastructure-as-code solutions using Python, Ansible, Terraform and Jinja2.
• Integrate network automation into CI/CD pipelines for reliable deployments.
• Create APIs and self-service tooling for engineering teams.
• Implement observability and telemetry for performance and reliability.
• Partner with network, platform and security teams to deliver scalable systems.
• Contribute to incident response and production reliability; participate in on-call rota.

Skills

Python

CI/CD

Testing

Version control

Networking fundamentals

AI tools

Pragmatic problem solving

Collaborative teamwork

Networking in finance

Tools

Ansible

Terraform

Jinja2

Claude Code

Docker

Kubernetes

Job description

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

G-Research is going through an exciting period of growth in our colocation and low-latency platform. As part of our transformation, we are looking for a highly-skilled network automation engineer to join our Colo Infrastructure team.

The team manage a highly available colocation network. You will design and build automation solutions that enable rapid deployment of new infrastructure and efficient management of existing infra whilst maintaining reliable operations.

Key responsibilities of the role include:

• Building and evolving automation frameworks for network provisioning and lifecycle management
• Developing infrastructure-as-code solutions using Python, Ansible, Terraform and Jinja2
• Integrating network automation into CI/CD pipelines for reliable, repeatable deployments
• Creating APIs and self-service tooling for engineering teams
• Implementing observability and telemetry solutions for performance and reliability
• Partnering with network, platform and security teams to deliver resilient, scalable systems
• Contributing to incident response and production reliability
• On-call responsibilities for the most critical parts of the infrastructure

Who are we looking for?

We’re looking for a skilled network engineer with technical experience of managing high-performance, low-latency, scalable and resilient network infrastructure solutions.

The ideal candidate will have the following skills and experience:

• Confident with Python and solid engineering fundamentals across testing, version control and CI/CD
• Experience with infrastructure-as-code and automation tools such as Ansible, Terraform and Jinja2; also must have experience leveraging AI tools, such as Claude Code
• Familiarity with Docker and Kubernetes
• Exposure to monitoring, observability or telemetry in distributed systems
• Pragmatic problem solver who can operate in ambiguity and take ownership
• Comfortable working in collaborative, fast-paced engineering teams
• Deep understanding of networking fundamentals and ideally experience in network engineer in financial markets

Why join us?

• 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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