22 of 22 Linux Engineer Jobs in London

Linux Engineer 6-month contract Remote My Customer is looking for a skilled and motivated Linux Engineer to join their growing infrastructure team. This role is ideal for someone with solid experience in Linux systems administration, particularly in Red Hat environments, and a strong understanding of automation tools such as Ansible or Puppet. The Linux Engineer will be responsible for day-to-day Linux system operations, configuration management, patching, and helping drive DevOps practices across the environment. Key Skills & experience from the Linux Engineer: Strong experience in Linux system administration In-depth knowledge of Red Hat Enterprise Linux (RHEL) Hands-on experience with Red Hat Satellite Automation skills … Puppet (Ansible preferred) Familiarity with DevOps tools and principles Shell scripting and command-line expertise Strong troubleshooting and diagnostic skills Good understanding of networking, storage, and security in a Linux environment Ability to work independently and within a team Key Responsibilities of the Linux Engineer: Day-to-day administration and support of Linux systems Manage and More ❯

Linux Engineer – 6-month contract – Remote My Customer is looking for a skilled and motivated Linux Engineer to join their growing infrastructure team. This role is ideal for someone with solid experience in Linux systems administration, particularly in Red Hat environments, and a strong understanding of automation tools such as Ansible or Puppet. The Linux Engineer will be responsible for day-to-day Linux system operations, configuration management, patching, and helping drive DevOps practices across the environment. Key Skills & experience from the Linux Engineer: Strong experience in Linux system administration In-depth knowledge of Red Hat Enterprise Linux (RHEL) Hands-on experience with Red Hat Satellite Automation skills … Puppet (Ansible preferred) Familiarity with DevOps tools and principles Shell scripting and command-line expertise Strong troubleshooting and diagnostic skills Good understanding of networking, storage, and security in a Linux environment Ability to work independently and within a team Key Responsibilities of the Linux Engineer: Day-to-day administration and support of Linux systems Manage and More ❯

Linux Engineer – 6-month contract – Remote My Customer is looking for a skilled and motivated Linux Engineer to join their growing infrastructure team. This role is ideal for someone with solid experience in Linux systems administration, particularly in Red Hat environments, and a strong understanding of automation tools such as Ansible or Puppet. The Linux Engineer will be responsible for day-to-day Linux system operations, configuration management, patching, and helping drive DevOps practices across the environment. Key Skills & experience from the Linux Engineer: Strong experience in Linux system administration In-depth knowledge of Red Hat Enterprise Linux (RHEL) Hands-on experience with Red Hat Satellite Automation skills … Puppet (Ansible preferred) Familiarity with DevOps tools and principles Shell scripting and command-line expertise Strong troubleshooting and diagnostic skills Good understanding of networking, storage, and security in a Linux environment Ability to work independently and within a team Key Responsibilities of the Linux Engineer: Day-to-day administration and support of Linux systems Manage and More ❯

Linux Engineer – Up to £300k-£550k Total Comp | London We’re hiring for a Linux Engineer to join the Compute Engineering team at one of the most technically advanced hedge funds and market makers in the world (client name kept confidential). This is a rare opportunity to work on low-level Linux engineering that … directly supports global trading and research systems. This isn’t a typical Linux admin role. You won’t be managing users or installations — you’ll be writing the code that shapes the Linux OS itself , making kernel-level changes, tuning for ultra-low latency, and solving the kinds of problems that get escalated all the way to Red … Hat. What you’ll be doing: Writing and maintaining tools and infrastructure around the Linux OS Working closely with hardware and trading teams to fine-tune system performance Digging deep into memory, CPU, and I/O behavior to uncover and fix bottlenecks Automating the build, test, and release of custom Linux images Helping shape the future of More ❯

Linux Engineer – Up to £300k-£550k Total Comp | London We’re hiring for a Linux Engineer to join the Compute Engineering team at one of the most technically advanced hedge funds and market makers in the world (client name kept confidential). This is a rare opportunity to work on low-level Linux engineering that … directly supports global trading and research systems. This isn’t a typical Linux admin role. You won’t be managing users or installations — you’ll be writing the code that shapes the Linux OS itself , making kernel-level changes, tuning for ultra-low latency, and solving the kinds of problems that get escalated all the way to Red … Hat. What you’ll be doing: Writing and maintaining tools and infrastructure around the Linux OS Working closely with hardware and trading teams to fine-tune system performance Digging deep into memory, CPU, and I/O behavior to uncover and fix bottlenecks Automating the build, test, and release of custom Linux images Helping shape the future of More ❯

Linux Engineer We’re looking for a Linux Engineer to join a growing engineering function responsible for a high-performance computing (HPC) environment. You’ll be part of the team that owns and operates the Linux estate end-to-end, from OS build and configuration through to ongoing operational support. This role offers the chance … to work within a highly specialised, large-scale compute environment while contributing to the evolution and automation of core infrastructure services. Key responsibilities: Build, configure, and maintain Linux environments (Rocky/RHEL) Develop and enhance automation using GitLab, Packer, Terraform, Ansible, and Ansible Galaxy Support secure infrastructure operations using tooling such as HashiCorp Vault and Temporal Work with HPC … related technologies including Nvidia Spectrum X Contribute to continuous improvement across OS lifecycle management and automation pipelines Requirements: Strong experience working with Linux in automated or IaC-driven environments Hands-on experience with tools such as Terraform and Ansible Comfortable working across build, deployment, and operational support Hardware and networking experience is desirable but not essential Strong problem-solving More ❯

Linux Engineer We’re looking for a Linux Engineer to join a growing engineering function responsible for a high-performance computing (HPC) environment. You’ll be part of the team that owns and operates the Linux estate end-to-end, from OS build and configuration through to ongoing operational support. This role offers the chance … to work within a highly specialised, large-scale compute environment while contributing to the evolution and automation of core infrastructure services. Key responsibilities: Build, configure, and maintain Linux environments (Rocky/RHEL) Develop and enhance automation using GitLab, Packer, Terraform, Ansible, and Ansible Galaxy Support secure infrastructure operations using tooling such as HashiCorp Vault and Temporal Work with HPC … related technologies including Nvidia Spectrum X Contribute to continuous improvement across OS lifecycle management and automation pipelines Requirements: Strong experience working with Linux in automated or IaC-driven environments Hands-on experience with tools such as Terraform and Ansible Comfortable working across build, deployment, and operational support Hardware and networking experience is desirable but not essential Strong problem-solving More ❯

Linux Engineer – High-Performance Prop Trading Up to £200k total | London | Hybrid (4 days in-office) Are you a Linux Engineer passionate about high-performance systems and cutting-edge technology? Quant Capital is looking for a skilled engineer to join a small, global team supporting a new trading business. You’ll be responsible for designing … powers trading desks and internal teams across the globe. Strong communication skills are essential in this close-knit, collaborative environment. What you’ll do: Take ownership of mission-critical Linux systems from day one. Design, operate, and improve highly available, high-performance infrastructure. Enable traders and developers to run their applications at the bleeding edge. Troubleshoot and debug complex … systems using command-line tools. Automate tasks and improve processes through scripting and configuration management. What we’re looking for: Extensive Linux engineering experience in a high-availability environment (RedHat/Debian-based or similar). Experience supporting mission-critical systems and high-performance applications. Strong scripting/automation skills (Bash, Python, or another high-level language). Experience More ❯

Linux Engineer – High-Performance Prop Trading Up to £200k total | London | Hybrid (4 days in-office) Are you a Linux Engineer passionate about high-performance systems and cutting-edge technology? Quant Capital is looking for a skilled engineer to join a small, global team supporting a new trading business. You’ll be responsible for designing … powers trading desks and internal teams across the globe. Strong communication skills are essential in this close-knit, collaborative environment. What you’ll do: Take ownership of mission-critical Linux systems from day one. Design, operate, and improve highly available, high-performance infrastructure. Enable traders and developers to run their applications at the bleeding edge. Troubleshoot and debug complex … systems using command-line tools. Automate tasks and improve processes through scripting and configuration management. What we’re looking for: Extensive Linux engineering experience in a high-availability environment (RedHat/Debian-based or similar). Experience supporting mission-critical systems and high-performance applications. Strong scripting/automation skills (Bash, Python, or another high-level language). Experience More ❯

Role: Linux Platform Engineer Skills: Deep Linux, Scripting, DevOps, Kubernetes Salary: £500k+ Location: London The ideal candidate comes from a top-tier tech environment (FAANG, elite trading, hyperscale infra). They have experience building technology 0→1 , owning systems end-to-end, and working close to the metal. They will operate across everything from bare-metal Linux to modern build and observability stacks . Linux Platform Engineer – Trading Infrastructure Overview The firm is seeking a Linux Platform Engineer to join a small, high-impact engineering group supporting ML/AI-driven trading. These teams run massive simulation, HPC, and production workloads and depend on ultra-reliable, ultra-fast Linux platforms. The … engineer will own critical infrastructure at scale and help shape the next generation of compute systems. Key Responsibilities Optimize and tune Linux for performance, stability, and low latency . Contribute to kernel-level debugging and system improvements . Automate Linux fleet builds—creating consistent, reproducible systems . Manage Kubernetes cluster infrastructure, networking, and container orchestration. Enhance observability More ❯

Role: Linux Platform Engineer Skills: Deep Linux, Scripting, DevOps, Kubernetes Salary: £500k+ Location: London The ideal candidate comes from a top-tier tech environment (FAANG, elite trading, hyperscale infra). They have experience building technology 0→1 , owning systems end-to-end, and working close to the metal. They will operate across everything from bare-metal Linux to modern build and observability stacks . Linux Platform Engineer – Trading Infrastructure Overview The firm is seeking a Linux Platform Engineer to join a small, high-impact engineering group supporting ML/AI-driven trading. These teams run massive simulation, HPC, and production workloads and depend on ultra-reliable, ultra-fast Linux platforms. The … engineer will own critical infrastructure at scale and help shape the next generation of compute systems. Key Responsibilities Optimize and tune Linux for performance, stability, and low latency . Contribute to kernel-level debugging and system improvements . Automate Linux fleet builds—creating consistent, reproducible systems . Manage Kubernetes cluster infrastructure, networking, and container orchestration. Enhance observability More ❯

Senior FPGA Hardware Engineer (Linux Python) London to £150k Do you have expertise with low level Linux and hardware management? You could be progressing your career in a senior, hands-on role at a global systematic trading firm with $25 billion under management, earning significant bonuses. As a Senior FPGA Hardware Engineer you will collaborate with … the research and trading teams, focussing on Linux based systems, including workload scheduling design and implementation, management of systems at large scale, high performance file system design and operation, software design and life cycle (SDLC), kernel and network performance tuning for low-latency and high-throughput applications instrumentation and telemetry collection. You'll have exposure across cutting-edge high … in high spec offices with free breakfast and lunch at the onsite restaurant, with flexibility to work from home 1-2 days a week. About you: You have advanced Linux systems administration and platform engineering experience You have an indepth knowledge of high-performance analysis, tuning and optimisation across Linux kernel tuning, hardware optimisation, network performance and storage More ❯

Linux/Kubernetes Engineer - - Investment Bank Up to £100,000 Basic salary 5-days a week onsite in City of London What’s on offer: 10% employer pension contribution Discretionary bonus 30 days holiday Private health and life insurance Enhanced parental leave Flexible working and wellbeing support About Join a tech-forward financial services firm combining 400+ years … big data and analytics – with the opportunity to expand into cloud where appropriate. What you’ll do: Design and manage highly available Kubernetes clusters across multiple datacentres Collaborate with Linux, infrastructure, and SOC/CERT teams to secure and optimise bare-metal environments Support mission-critical workloads including low-latency trading systems, leveraging tools like Calico, OPA/Gatekeeper … DNS-based discovery and egress gateways for smart routing of financial traffic Automate infrastructure using Terraform, Ansible, Git, and CI/CD tooling What we’re looking for: Deep Linux/UNIX experience (Ubuntu & RHEL) Kubernetes administration expertise, ideally on bare-metal Solid understanding of networking (TCP/IP, BGP, VLANs, VRF) Scripting and IaC experience (Python, Bash, Helm More ❯

side organisation renowned for its technical innovation, robust systems, and industry-leading analytical capabilities. You’ll be part of a talented, collaborative Infrastructure Engineering team responsible for the global Linux estate supporting mission-critical systems. What You’ll Get Competitive base salary and comprehensive benefits package Exposure to cutting-edge enterprise and cloud technologies across global environments The chance … for career progression within a dynamic, forward-thinking engineering team What You’ll Do Take ownership of the day-to-day management and stability of the organisation’s global Linux/Unix infrastructure, spanning on-premises and cloud environments. Build, optimise, and secure AWS environments using Infrastructure-as-Code tools such as Terraform. Develop and maintain automation frameworks for … to ensure readiness across all critical systems. Contribute to strategic discussions around infrastructure design, capacity planning, and future platform evolution. What You’ll Need Strong background in RHEL/Linux systems administration and automation Hands-on experience with AWS and related services (EC2, S3, IAM, RDS) Expertise in Terraform, Puppet, Foreman, and Unix shell scripting Solid understanding of networking More ❯

side organisation renowned for its technical innovation, robust systems, and industry-leading analytical capabilities. You’ll be part of a talented, collaborative Infrastructure Engineering team responsible for the global Linux estate supporting mission-critical systems. What You’ll Get Competitive base salary and comprehensive benefits package Exposure to cutting-edge enterprise and cloud technologies across global environments The chance … for career progression within a dynamic, forward-thinking engineering team What You’ll Do Take ownership of the day-to-day management and stability of the organisation’s global Linux/Unix infrastructure, spanning on-premises and cloud environments. Build, optimise, and secure AWS environments using Infrastructure-as-Code tools such as Terraform. Develop and maintain automation frameworks for … to ensure readiness across all critical systems. Contribute to strategic discussions around infrastructure design, capacity planning, and future platform evolution. What You’ll Need Strong background in RHEL/Linux systems administration and automation Hands-on experience with AWS and related services (EC2, S3, IAM, RDS) Expertise in Terraform, Puppet, Foreman, and Unix shell scripting Solid understanding of networking More ❯

Backend Software Engineer/Developer (Linux SQL C++17) London/WFH to £110k Global-leading FinTech is seeking a senior Backend Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives post-trade … for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain/deepen your finance experience. As a Backend Software Engineer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of the cutting-edge platform. Not only can you take … join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You have strong C++ development experience on Linux or UNIX, C++14 and above You have good SQL skills You're a passionate technologist who is motivated by working on cutting-edge systems and engineering complex solutions You More ❯

Lead Hardware Management Engineer – Global Quantitative Trading Firm | Up to £350k TC A globally renowned quantitative trading firm is seeking a highly skilled Hardware Management Engineer to join its Research Infrastructure Engineering team. This group builds and optimises the high-performance platforms that underpin research and trading - spanning operating systems, workload scheduling, HPC, large-scale storage, and ultra … low latency networking. In this role, you will partner directly with researchers and traders, driving the design, optimisation, and scalability of Linux-based systems that enable next-generation trading strategies. This is a hands-on, lead position with strong technical ownership, where your expertise in hardware, kernel tuning, and system performance will have a visible impact. Responsibilities Engineer and manage high-performance Linux-based platforms supporting research and trading. Design and optimise workload scheduling , large-scale storage, and SDLC frameworks. Deliver Linux Kernel tuning and low-latency network optimisation . Implement telemetry collection and instrumentation for high-throughput applications. Stay ahead of industry trends, generating POCs for emerging technologies. Collaborate with research and trading teams More ❯

Lead Hardware Management Engineer – Global Quantitative Trading Firm | Up to £350k TC A globally renowned quantitative trading firm is seeking a highly skilled Hardware Management Engineer to join its Research Infrastructure Engineering team. This group builds and optimises the high-performance platforms that underpin research and trading - spanning operating systems, workload scheduling, HPC, large-scale storage, and ultra … low latency networking. In this role, you will partner directly with researchers and traders, driving the design, optimisation, and scalability of Linux-based systems that enable next-generation trading strategies. This is a hands-on, lead position with strong technical ownership, where your expertise in hardware, kernel tuning, and system performance will have a visible impact. Responsibilities Engineer and manage high-performance Linux-based platforms supporting research and trading. Design and optimise workload scheduling , large-scale storage, and SDLC frameworks. Deliver Linux Kernel tuning and low-latency network optimisation . Implement telemetry collection and instrumentation for high-throughput applications. Stay ahead of industry trends, generating POCs for emerging technologies. Collaborate with research and trading teams More ❯

Job Role: Linux Production Engineer Location: London Salary: Up to £400k Would you be interested in joining a high-performance trading firm at the forefront of low-latency systems and AI infrastructure? You’ll play a key role in designing and maintaining the open-source proprietary technology that powers large scale ML and AI workloads. This firm invests … heavily in engineering, giving its Linux and systems specialists an unrestricted technology budget to innovate across performance critical environments. Responsibilities: Design, develop, and monitor tools supporting the firm’s production trading environment Collaborate across engineering teams to analyse and troubleshoot Linux systems Provide high-level operational support across distributed systems Contribute to ongoing improvements in reliability, latency, and … scalability Qualifications: Linux expertise with a solid understanding of networking and containerisation Proficiency in at least Python Experience with observability tooling Proven track record in designing and maintaining highly distributed systems Apply now for a confidential chat More ❯

Job Role: Linux Production Engineer Location: London Salary: Up to £400k Would you be interested in joining a high-performance trading firm at the forefront of low-latency systems and AI infrastructure? You’ll play a key role in designing and maintaining the open-source proprietary technology that powers large scale ML and AI workloads. This firm invests … heavily in engineering, giving its Linux and systems specialists an unrestricted technology budget to innovate across performance critical environments. Responsibilities: Design, develop, and monitor tools supporting the firm’s production trading environment Collaborate across engineering teams to analyse and troubleshoot Linux systems Provide high-level operational support across distributed systems Contribute to ongoing improvements in reliability, latency, and … scalability Qualifications: Linux expertise with a solid understanding of networking and containerisation Proficiency in at least Python Experience with observability tooling Proven track record in designing and maintaining highly distributed systems Apply now for a confidential chat More ❯

Ansible | Linux | Ubuntu | On-premise | Bare Metal | Kubernetes | Containerisation | K8s | Containers | PostgresSQL | GCP | Google Cloud | Openshift | RHEL Enjoy getting into the weeds of Containers? Working on Bare Metal Servers? Excited by the prospect of joining a scale up who're holding onto their closeknit feel? I've partnered a scaling and backed SaaS on their search for an SRE … service as well as AI driven products to enable global leaders to make the work life place better for their staff and products. They work on a stack of Linux (Ubuntu), Ansible and Postgres to ensure their customers across FTSE100 and Fortune 500 are able to make data-centric decisions via the AI SaaS. Working on a team of … and dental, extended parental leave and 2-3 days in Central London a week. If this suits and you want to hear more - apply or email robin.shaw@opusrs.com Ansible | Linux | Ubuntu | On-premise | Bare Metal | Kubernetes | Containerisation | K8s | Containers | PostgresSQL | GCP | Google Cloud | Openshift | RHEL More ❯

Ansible | Linux | Ubuntu | On-premise | Bare Metal | Kubernetes | Containerisation | K8s | Containers | PostgresSQL | GCP | Google Cloud | Openshift | RHEL Enjoy getting into the weeds of Containers? Working on Bare Metal Servers? Excited by the prospect of joining a scale up who're holding onto their closeknit feel? I've partnered a scaling and backed SaaS on their search for an SRE … service as well as AI driven products to enable global leaders to make the work life place better for their staff and products. They work on a stack of Linux (Ubuntu), Ansible and Postgres to ensure their customers across FTSE100 and Fortune 500 are able to make data-centric decisions via the AI SaaS. Working on a team of … and dental, extended parental leave and 2-3 days in Central London a week. If this suits and you want to hear more - apply or email robin.shaw@opusrs.com Ansible | Linux | Ubuntu | On-premise | Bare Metal | Kubernetes | Containerisation | K8s | Containers | PostgresSQL | GCP | Google Cloud | Openshift | RHEL More ❯