Core Infrastructure Engineer

The Core Infrastructure Engineering Team owns and operates the foundational services that G-Research engineers rely on every day, from infrastructure automation and CI tooling to the platforms that keep the business running.

As a Core Infrastructure Engineer, you will be responsible for the reliability, evolution and day-to-day operation of these critical services. You will ensure they are scalable, well-automated and meet the needs of a demanding engineering organisation.

You will bring solid infrastructure experience across Windows and Linux environments, a pragmatic approach to automation and a genuine sense of ownership for the services you support.

Key responsibilities of the role include:

• Owning and operating Terraform Enterprise appliance, including upgrades, availability, backups and user support
• Managing and evolving Active Directory, Windows Bastion Hosts and inventory
• Maintaining and improving Jenkins CI infrastructure
• Automating service provisioning, configuration and lifecycle management
• Ensuring services are monitored, documented and recoverable
• Collaborating with platform and application teams to deliver infrastructure solutions
• Participating in the out-of-hours on-call rotation

The ideal candidate will have the following skills and experience:

• Experience operating and automating infrastructure services in an enterprise environment
• Experience across Windows and Linux environments, including Windows Server and Active Directory administration
• Strong infrastructure as code skills, with an interest in AI-driven infrastructure management
• Experience with Jenkins pipeline management and administration
• Scripting experience in PowerShell, Python or both
• Experience managing self-hosted application platforms, including upgrades, patching and monitoring
• Proven experience owning services end to end, including deployment, monitoring, incident response and improvement

Desirable experience:

• Experience with inventory or CMDB platforms, Terraform or HCL literacy, certificate management, Kubernetes and Linux desktop support

Pulled from the full job description

• Annual leave
• Company pension
• Company events

Full 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., * 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