Linux Platform Engineer
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 roleWe're seeking a Linux Engineer to build, maintain and evolve the Linux platforms (RHEL and Ubuntu) that underpin our compute environment. You'll work across the full Linux stack, from OS builds and provisioning systems through to observability, security and custom tooling.
Mathematics and science are at our core; AI pushes them further to unlock bigger thinking and bigger impact. We expect every colleague to actively bring AI into their daily workflow to deliver impact we didn't think was possible. In this role, that means helping design and use agentic frameworks to move the platform towards autonomous, closed-loop operations. Security is a core part of the role, from hardening and patching through to vulnerability response, and the role offers the chance to develop deep technical expertise in Linux internals, automation and performance optimisation while contributing directly to infrastructure that supports large-scale quantitative research.
Key responsibilities of the role include: Building, releasing and maintaining core Linux OS images across the estateDeveloping provisioning and lifecycle management systems, including PXE boot, kickstart and cloud-initDesigning and maintaining APIs, databases and package tooling used across the firmApplying Infrastructure as Code practices, primarily using Ansible, to automate deploymentsLeading vulnerability response, including CVE triage and kernel and package remediationHelping design agentic frameworks for safe, autonomous detection and remediationImproving observability and telemetry to track OS health, provisioning and complianceWho are we looking for?
The ideal candidate will have the following skills and experience: Strong hands-on experience with Linux systems, particularly RHEL and UbuntuDeep knowledge of Linux internals, such as boot process, kernel modules, filesystems and package managementExperience with kernel optimisation and performance tuning, such as scheduler, memory and I/O, is desirableKnowledge of eBPF for observability, performance analysis and security enforcement is a strong plusStrong programming skills, for example in PythonExperience with Infrastructure as Code (Ansible) and broader automation practicesA strong understanding of Linux security, including hardening, patch management and compliance frameworks such as CIS benchmarksExperience with, or a genuine interest in, agentic or AI-driven operations is beneficialYou don't need to have all of the above, but a problem-solving mindset and strong collaboration skills are essentialWhy join us? Highly competitive compensation plus annual discretionary bonusLunch provided (via Just Eat for Business) and dedicated barista bar30 days' annual leave9% company pension contributionsInformal dress code and excellent work/life balanceComprehensive healthcare and life assuranceCycle-to-work schemeMonthly company eventsRelocation SupportIf you're relocating from within the UK or internationally to join us in London, we offer a comprehensive range of support services to assist you all the way. All costs associated with your relocation and immigration are covered by G-Research.
Concierge service: Your personal consultant will arrange travel, help find your new home and manage your move. They're also on hand to help with more bespoke requests too.
Immigration support: We'll partner you with an expert consultant who will guide you through the full immigration process. 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 sectionSummaryLocation: London, UKType: Full time