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About the Role

As a Core Infrastructure Engineer, you will be responsible for the reliability, evolution and day-to-day operation of critical services, ensuring 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.

Responsibilities

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

Requirements

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
Experience with inventory or CMDB platforms
Terraform or HCL literacy
Certificate management experience
Kubernetes experience
Linux desktop support experience

Skills

Windows
Linux
Terraform Enterprise
Active Directory
Windows Server
Jenkins
PowerShell
Python
Infrastructure as Code
AI-driven infrastructure management
Self-hosted application platforms
Deployment
Monitoring
Incident Response
Inventory Management
CMDB
HCL
Certificate Management
Kubernetes
Linux Desktop Support

Location

London

Work Type

Full-time

Experience Level

Mid-level

Salary/Compensations

Highly competitive compensation plus annual discretionary bonus

Benefits

Lunch provided via Just Eat for Business
Dedicated barista bar
30 days’ annual leave
9% company pension contributions
Informal dress code
Excellent work-life balance
Comprehensive healthcare
Life assurance
Cycle-to-work scheme
Monthly company events

About the Company

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.

Equal Opportunity

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