Linux - 304+ job offers

Experis (Austria)

Experis Austria is seeking a Senior Linux Engineer (OCI) for a UK remote contract. The role focuses on administration, support and implementation of Linux infrastructure within Oracle Cloud Infrastructure for a secure government programme. You'll work with RHEL and Oracle Linux environments, deliver

Viridiengroup

Viridien Group is seeking an HPC Engineer to join its global HPC and Digital Platform team in Crawley. The role combines advanced Linux system administration with shaping next-generation compute platforms and leading technical delivery across regions. You will escalate complex Linux issues, deploy n

Synapri

Synapri is seeking a Senior Linux Engineer to lead our Linux engineering across a complex IT infrastructure. You will work as a senior technical resource, influencing engineering decisions and driving upgrades across Linux tooling. The role requires hands-on experience with VMware/Hyper-V, Docker, K

Fractile

At Fractile, we’re taking a revolutionary approach to computing to run the world’s largest language models 100x faster than existing systems. Our fast‑growing team is working at the cutting edge of the latest AI developments in both hardware and software. Want to get involved? We are looking for Sen

Instil

Instil seeks a Senior C++ Developer with strong Linux expertise to design high-performance, scalable microservices for embedded devices. You will work on distributed systems, focusing on reliability, maintainability, and performance in containerized environments. You will collaborate across teams to

Global Payment Holding Company

Global Payment Holding Company in Manchester is seeking a Senior Software Engineer to join our Worldwide Payments Gateway team and help shape the future of global commerce. You will contribute code, provide technical leadership, and work with Development Management to deliver quality software built

JPMorgan Chase & Co.

JPMorgan Chase & Co. is seeking a Lead Software Engineer in London to drive validation of hardened RHEL platforms. You will build automated validation frameworks and CI/CD driven pipelines across physical, virtualized, and containerized environments. You will collaborate with platform engineering, a

Darwin Recruitment

Darwin Recruitment is seeking a Senior KDB+/q Engineer for a London-based project in the financial markets sector. This freelance role focuses on hands-on engineering of production KDB+/q platforms, with ownership over delivery and direct collaboration with client teams. You'll design, build and sca

Darwin Recruitment

Darwin Recruitment is seeking a Senior KDB+/q Engineer to lead hands-on development of production KDB+/q platforms for a London-based financial markets environment. You will design, build, and scale KDB architectures, taking ownership of delivery and working closely with client teams. The ideal cand

Darwin Recruitment

Darwin Recruitment is seeking a Senior KDB+/q Engineer for a London-based, freelance engagement. The role is outside IR35, 6 months, with hybrid onsite work (London). You will design, build and scale production KDB+/q platforms and work directly with the client to deliver value from day one. The ide

Winston Fox

London | Linux Engineering | High Performance | Trading Systems | Elite Quant Hedge Fund Up to £250k base salary + 100%+ annual bonus + Benefits Package. Lead/Principle Engineer-Level What We're Looking For We are interested in experienced infrastructure engineers who combine deep Linux expertise wi

Winston Fox

Winston Fox is seeking an exceptionally experienced Linux Engineer to lead high-performance trading infrastructure in London. The role involves designing, implementing, and optimizing core Linux-based systems used in elite quantitative trading, collaborating with software and quant teams to deliver

Proton Technologies

Proton Technologies AG is seeking a Linux desktop engineer for the Proton Drive desktop team to build a new Linux client from scratch. You will work with Windows and Mac teams to ensure parity, contribute to the SDK/CLI, and own Linux packaging across distros. The role emphasizes open-source collabo

Canonical

Canonical is hiring an Ubuntu Core Software Engineer to redefine the Linux experience in embedded environments with secure, updatable OS for IoT. The role is remote in the EMEA region, with focus on boot mechanisms, kernel, and device firmware across ARM, RISC-V, and x86 architectures. You will desi

Oxford Knight

Oxford Knight is seeking a pragmatic C++ Engineer to join the Core Development team on the London trading floor. You will design, build and test the infrastructure, tools and systems that drive trading and business needs. Requirements include 4+ years of modern C++ on Linux, deep knowledge of OO des

Client Server Limited

Client Server Limited in London is seeking a Software Engineer to join a small team building a flagship secure OS and desktop application. You will develop in C++ on Linux (Debian) with a focus on security and low-level system software. You will work in an international, relaxed environment with two

JPMorganChase

JPMorgan Chase is seeking a Lead Software Engineer to tackle complex engineering problems across multiple technical areas. You will work in an agile environment, delivering secure, resilient systems and driving operational excellence across the team. You will contribute hands-on engineering expertis

IC Resources

IC Resources seeks an experienced HPC Infrastructure Engineer to own an existing on-prem HPC/compute environment. You will assess the current setup and implement improvements to reliability, manageability, monitoring, and automation. The role is ideal for hands-on Linux/HPC engineers who can enter t

Barclays UK

Barclays is seeking a C++ Macro Trade Capture Developer to work on a mission-critical trade capture platform in London. You will address cyber issues and vulnerability remediations while delivering business enhancements to support ongoing trading operations within a strict risk and control framework

Harrington Starr

Hybrid - 3 days in the office Location: London, City A globally recognised independent trading business that have a strong focus around market making, brokerage services and low latency algorithmic trading are currently looking for a Systems Engineer to join their London-based infrastructure team. T