22 of 22 Linux Engineer Jobs in the City of London

Linux Engineer – Doncaster (Hybrid Remote) - £55k 1-2 days per week on-site | Docker | CI/CD | Linear Progression | Free Gym Onsite Ada Meher are currently searching for an experienced Linux Engineer to join a client in Doncaster on a hybrid remote basis. You’d be working in a Linux based environment on system administration … this, they offer a good degree of flexibility in working with in-office requirements for this role a few times a week. To Be Considered: Proven experience in a Linux focused role (eg. 3rd Line Support/Infrastructure Engineer/SysAdmin) Excellent knowledge of Linux/Unix and associated tools (eg. CentOS/Alma Linux) Experience … develop, progress and have access to wellbeing benefits such as a fully furbished gym which is free to use on-site. We’re anticipating a strong response to this Linux Engineer role, so please get in touch with any questions ASAP or send a CV to matthew.coney@adameher.com to be considered. More ❯

Linux Engineer – Doncaster (Hybrid Remote) - £55k 1-2 days per week on-site | Docker | CI/CD | Linear Progression | Free Gym Onsite Ada Meher are currently searching for an experienced Linux Engineer to join a client in Doncaster on a hybrid remote basis. You’d be working in a Linux based environment on system administration … this, they offer a good degree of flexibility in working with in-office requirements for this role a few times a week. To Be Considered: Proven experience in a Linux focused role (eg. 3rd Line Support/Infrastructure Engineer/SysAdmin) Excellent knowledge of Linux/Unix and associated tools (eg. CentOS/Alma Linux) Experience … develop, progress and have access to wellbeing benefits such as a fully furbished gym which is free to use on-site. We’re anticipating a strong response to this Linux Engineer role, so please get in touch with any questions ASAP or send a CV to matthew.coney@adameher.com to be considered. 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 – 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 ❯

Senior Linux Engineer - £120K+ Our client is a leading SaaS and technology company, building innovative solutions for Data Management, Analytics and Machine Learning. Offering hybrid, flexible, working they’re looking to hire an experienced Linux Engineer and good experience across Ansible, Packer and AWS. From day one you’ll be involved in the design, build, implementation … and support of innovative Linux systems with a focus on availability, performance, reliability, and security - From bare-metal through to virtualisation, AWS Cloud and automation. You’ll have the opportunity to work across a range of projects, tools and technologies and have real ownership of your work – A very varied challenge! Requirements: - Proven experience of Linux administration and More ❯

Systems Engineer - Linux - AWS - £100K+ Our client is a leading SaaS company, building innovative solutions for Data Analytics, Machine Learning and AI in the financial services. Offering hybrid, flexible, working they’re looking to hire an experienced Linux Engineer and good experience across Ansible, Packer and AWS. From day one you’ll be involved in the … design, build, implementation and support of innovative Linux systems with a focus on availability, performance, reliability, and security - From bare-metal through to virtualisation, AWS Cloud, DevOps and automation. You’ll have the opportunity to work across a range of projects, tools and technologies and have real ownership of your work – A very varied challenge! Requirements: - Proven experience of … Linux administration and engineering - Great understanding of RPM packaging, systems, networking and storage - Great AWS skills - Knowledge of Ansible and DevOps methods - Packer skills - HCL/JSON templates, builder vs. provisioner distinction etc - Strong CI/CD understanding - Excellent communication skills and a motivated, proactive, approach to work - The ability to take the lead on work and drive projects More ❯

Snr Linux Engineer - £700+ per day Our client is a leading SaaS and technology company, building innovative solutions for Data Management, Analytics and Machine Learning. They’re looking to hire an experienced Linux Engineer and experience across Ansible, Packer and AWS. 2 days a week in the office, hybrid, inital 6 months, inside IR35 and paying … up to £700+ per day. From day one you’ll be involved in the design, build, implementation and support of innovative Linux systems with a focus on availability, performance, reliability, and security - From bare-metal through to virtualisation, AWS Cloud and automation. You’ll have the opportunity to work across a range of projects, tools and technologies and have … real ownership of your work – A very varied challenge! Requirements: - Proven experience of Linux administration and engineering - Great understanding of RPM packaging, systems, networking and storage - Good knowledge of AWS - Knowledge of Ansible and DevOps methods - Packer skills - HCL/JSON templates, builder vs. provisioner distinction etc - Strong CI/CD understanding - Excellent communication skills and a motivated, proactive 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 ❯

A University in London is is seeking a Linux Support Engineer to join their Platform Services Team. You'll help maintain and develop the University's Linux infrastructure, supporting teaching, research, and professional services. This hybrid role combines remote working with time on campus and in data centres. Responsibilities Provide daily support for Linux services, including … Participate in system monitoring, disaster recovery preparation, and the on-call rota to deliver out-of-hours support when required. Qualifications Strong experience deploying and managing physical and virtual Linux systems (CentOS, Rocky Linux, Ubuntu) in an enterprise environment. You will understand web technologies and have experience supporting VLEs or large-scale LAMP applications. Solid shell scripting skills 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 ❯

Venn group is proud to partner with prestigious London based university to hire a Linux Support Engineer, this exciting opportunity to provide technical expertise across a complex and evolving infrastructure environment. The post holder will be responsible for ensuring the stability, performance, and security of critical Linux-based systems, while supporting automation, monitoring, and high-availability environments. … Salary: £43,482-£44,746 Contract type: Permanent Working hours: Full time Hybrid 60% Location: Central London (Hybrid working) Job responsibilities include: Maintain high availability and performance of Linux systems across production and test environments Monitor infrastructure health and respond proactively to performance alerts Support planned maintenance, system updates, and disaster recovery procedures Participate in the organisation’s on … as-code practices Maintain clear and up-to-date technical documentation Support knowledge sharing and training for first- and second-line teams Candidate profile: Strong hands-on experience in Linux system administration (RedHat, Ubuntu, etc.) Proven experience supporting enterprise-level infrastructure environments Familiarity with virtualisation (VMware) and configuration management tools (Ansible, Katello) Excellent problem-solving skills and ability to More ❯

Venn group is proud to partner with prestigious London based university to hire a Linux Support Engineer, this exciting opportunity to provide technical expertise across a complex and evolving infrastructure environment. The post holder will be responsible for ensuring the stability, performance, and security of critical Linux-based systems, while supporting automation, monitoring, and high-availability environments. … Salary: £43,482-£44,746 Contract type: Permanent Working hours: Full time Hybrid 60% Location: Central London (Hybrid working) Job responsibilities include: Maintain high availability and performance of Linux systems across production and test environments Monitor infrastructure health and respond proactively to performance alerts Support planned maintenance, system updates, and disaster recovery procedures Participate in the organisation’s on … as-code practices Maintain clear and up-to-date technical documentation Support knowledge sharing and training for first- and second-line teams Candidate profile: Strong hands-on experience in Linux system administration (RedHat, Ubuntu, etc.) Proven experience supporting enterprise-level infrastructure environments Familiarity with virtualisation (VMware) and configuration management tools (Ansible, Katello) Excellent problem-solving skills and ability to More ❯

This is an excellent opportunity for Linux on Z/zSystems Engineer professionals to be part of leading-edge technology projects. Cognizant’s Cloud, Infrastructure & Security Services Practice provides end-to-end solutions covering architecture, design, implementation, management, and on-going support across the entire enterprise technology infrastructure. Our services include a spectrum of management, consulting, and systems … value in their infrastructure resources, while optimizing infrastructure performance and cost. Project is to simplifying and digitising client’s technology stack while continuing to operate large-scale mainframe and Linux estates. This role owns the Linux-on-Z platform footprint: ensuring resilience, performance, security and smooth integration with cloud and distributed services. Key responsibilities Design, deploy, administer and … operate Linux guests running on IBM Z (Linux on Z/LinuxONE) including z/VM and LPAR environments. Manage lifecycle tasks: provisioning, patching, kernel tuning, backups and system upgrades for RHEL/SLES on Z. Implement automation for repeatable operations (Ansible, Terraform, shell/python), CI/CD pipelines for platform-level changes. Monitor platform health, investigate More ❯

This is an excellent opportunity for Linux on Z/zSystems Engineer professionals to be part of leading-edge technology projects. Cognizant’s Cloud, Infrastructure & Security Services Practice provides end-to-end solutions covering architecture, design, implementation, management, and on-going support across the entire enterprise technology infrastructure. Our services include a spectrum of management, consulting, and systems … value in their infrastructure resources, while optimizing infrastructure performance and cost. Project is to simplifying and digitising client’s technology stack while continuing to operate large-scale mainframe and Linux estates. This role owns the Linux-on-Z platform footprint: ensuring resilience, performance, security and smooth integration with cloud and distributed services. Key responsibilities Design, deploy, administer and … operate Linux guests running on IBM Z (Linux on Z/LinuxONE) including z/VM and LPAR environments. Manage lifecycle tasks: provisioning, patching, kernel tuning, backups and system upgrades for RHEL/SLES on Z. Implement automation for repeatable operations (Ansible, Terraform, shell/python), CI/CD pipelines for platform-level changes. Monitor platform health, investigate More ❯

An elite technology-driven hedge fund is now seeking a Trading application and production engineer to join it's growing dynamic team in London, with an excellent work environment and culture. Our client is a global firm with a reputation for utilising technology engineering to help shape it's financial strategy, putting a huge emphasis on investing in it … s technical people. They seek an engineer with 2-3 years minimum experience in trade floor environment technology to help with production support, and project work. Any further experience in full lifecycle software engineering is of interest, from development, test/QA, project management and application support. Key skills needed, ideally: Linux scripting SQL Python FIX More ❯

Job title: Integration Engineer – FIX, Linux, SQL, Front Office Client: FinTech Salary: £70,000-£120,000 Location: London/Hybrid Skills: Linux, SQL, Python, Bash, FIX The role: My client are seeking an individual with experience ideally working in the Front Office. You will work closely with a number of different teams who focus on the Trading … newly released applications Automation of tasks wherever possible for efficiency You will have: Experience working in a Production Support or Integration role within Financial Services Front Office experience ideally Linux SQL Python/Bash FIX Please apply ASAP for more information. More ❯

Job title: Integration Engineer – FIX, Linux, SQL, Front Office Client: FinTech Salary: £70,000-£120,000 Location: London/Hybrid Skills: Linux, SQL, Python, Bash, FIX The role: My client are seeking an individual with experience ideally working in the Front Office. You will work closely with a number of different teams who focus on the Trading … newly released applications Automation of tasks wherever possible for efficiency You will have: Experience working in a Production Support or Integration role within Financial Services Front Office experience ideally Linux SQL Python/Bash FIX Please apply ASAP for more information. 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 ❯

technology-driven, and in close partnership with our clients. Become part of an ambitious team that brings clarity to digital complexity and actively shapes the digital future. Job Responsibilities: Engineer, Implement and maintain the firm’s Linux platform across all business lines. Automate all aspects of the management of this platform Build and deploy infrastructure, security and application … software development lifecycle system and tools Accurately and completely document the environment and management processes. Plan DR and BCP strategies and participate in implementation. Qualifications: Detailed knowledge of the Linux platform, including regular system administration, kernel optimization, OS hardening and the Linux networking stack. Solid networking skills, ability to debug networking issues using standard Linux tooling. Good More ❯