Applicants must hold active and valid Developed Vetting (DV) security clearance to be considered for this opportunity. Unfortunately, applications from candidates without current DV clearance cannot be progressed.An opportu...Read More>>.

Overview In this role you will maintain and optimize Linux-based systems at scale to enable rapid, reliable cancer research. You will work with a cross-functional team of researchers and engineers to keep the infrastructure available and ef...Read More>>.

Overview In this role you will manage Linux (and to a lesser extent Windows) systems, ensuring installation, configuration, and ongoing maintenance. You will drive performance and reliability through innovative solutions while collaborating...Read More>>.

Overview In this role you support mission-critical trading infrastructure, working within a fast-paced, entrepreneurial team. You’ll collaborate with sales and engineering to ensure reliable server and network operations for the firm’s...Read More>>.

Overview As a Junior Linux Systems Administrator, you will support a global Linux infrastructure for a well-known retail trading business. You’ll monitor mission-critical systems to ensure uptime and performance and help implement new tec...Read More>>.

Overview In this role you will support a university’s advancing research infrastructure by applying your Linux expertise to maintain and scale systems. You collaborate with researchers and IT teams to ensure reliable HPC storage, data man...Read More>>.

Overview In this role you will support a high‑performance Linux environment powering ultra‑low latency trading. You will work closely with cross‑functional teams to monitor, optimize, and troubleshoot the production and development pl...Read More>>.

Overview In this role you will maintain and improve the client’s infrastructure within a fast-moving, innovative startup. You’ll ensure security, resilience, and reliable backups while monitoring server health and supporting data reques...Read More>>.

Overview In this role you will co-manage the Linux, Windows, and networking infrastructure for a growing quantitative hedge fund, ensuring high availability and robust security. You’ll work with a scientific, fast-moving team to diagnose...Read More>>.

Overview In this role you support the core infrastructure underpinning leading trading systems for banks and institutional clients. You will join a fast-paced Support team, collaborating with sales and engineering to keep mission-critical s...Read More>>.

Overview In this Lead Infrastructure Production Management & Reliability Engineering role, you own the reliability and evolution of Morgan Stanley’s Linux-based infrastructure. You will work across a complex mix of open-source, in-house c...Read More>>.

Overview In this Linux-focused role within the Computing Support Group, you will maintain and enhance reliable, secure computing services across a university department. You’ll work with cross-functional teams to ensure scalable, resilien...Read More>>.

OverviewWe are seeking an experienced Linux System Administrator to join our Infrastructure team. This role is critical in supporting the migration of a key enterprise application from Solaris to Red Hat Enterprise Linux (RHEL), in...Read More>>.

Spectrum IT Recruitment provided pay range This range is provided by Spectrum IT Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct...Read More>>.

Overview If you love solving complex problems, automating the boring stuff, and keeping high‑performance systems running at their best, this role puts you right where you thrive. You’ll join a technology‑first organisation where...Read More>>.

Job Description Linux System Administrator, Linux Engineer MySQL Administrator, DevOps Engineer, Redhat, competitive salary + benefits. About the Company: My client who provide software services and managed...Read More>>.

Technical Support Specialist (with device focus)Technical Support Specialist (with device focus)1 week ago Be among the first 25 applicantsDirect message the job poster from N Consulting GlobalLab Admin –...Read More>>.

Linux Systems Administrator / DevOps Engineer The Environment The company are a market-leading European financial technology company and transaction venue provider at the cutting edge of modern market infrastructure. Driven by...Read More>>.

Maintain and support company information systemsProvide 1st and 2nd Line Support, escalating issues where appropriateWork with IT suppliers and third-party partnersAttend IT meetings and provi...Read More>>.

Wessex Internet is seeking an experienced Server Systems Administrator to join our Technology Team and own the day-to-day management of our server estate. You will administer both Linux and Windows servers, including Proxmox, and drive automation,...Read More>>.

Symmetric Recruitment Ltd in Lincoln is seeking a hands-on Systems Administrator to join a hybrid full-time team. You will be the first point of contact for technical issues, collaborating with senior engineers on incident resolution, migrations,...Read More>>.

Job DescriptionI'm recruiting for a Linux System Administratorto join a large organisation in London on a permanent basis.The role is in a technical lead capacity andis 100% hands-on so in-depth technical skills is required....Read More>>.

CGI is seeking a System Administrator for the BOREALIS team to manage secure cloud infrastructure on-site in Reading. You will monitor health, respond to alerts, and support mission-critical systems in a highly secure environment.The role r...Read More>>.

DXC Technology in Cheltenham is seeking a Linux System Administrator to join on site (5 days a week). You will implement standards, policies and process improvements while delivering day-to-day system support across Linux environments.The r...Read More>>.

Lenovo in the United Kingdom (Hampshire) is hiring an HPC System Administrator to manage data center infrastructure, Linux/Unix environments, and monitoring to ensure uptime and security. This role blends on-site and remote support for customers....Read More>>.

3-Month Contract | Charity Sector (Mental Health & Disability)Fully Remote (Laptop collection required on Day 1)We are partnering with a well established charitable organisation specialising in menta...Read More>>.

Systems AdministratorLincoln Hybrid Full-timeA well-established name in UK technology is looking for a Systems Administrator to join its team in Lincoln. This is a hands-on infrastructure role inside a business that takes i...Read More>>.

OverviewAbout CTI. Join 150+ strategists and specialists who refuse to settle, creating bold digital experiences for ambitious brands since 2004. We're a full-service digital agency delivering strategic consultancy, web development, an...Read More>>.

Systems Administrator Stone Permanent £26,000 Fully Onsite Safer Hand Solutions are delighted to be partnering with a genuinely lovely, forward-thinking organisation in Stone that is looking to recruit a Systems Administrator to join...Read More>>.

As a Systems Administrator, you will be part of the Actica IT Team, supporting and developing our technology environment. This role offers a balance of hands‑on responsibility and ongoing learning, making it suitable for graduates as well as...Read More>>.

Role Overview:We are looking for a Systems Administrator to join our IT department. Reporting into our IT Systems Manager, this role will ensure Formula 1's IT Systems are correctly commissioned, maintained and operated so that it cont...Read More>>.

Systems Administrator| Stone Permanent | £26,000 | Fully Onsite Safer Hand Solutions are delighted to be partnering with a genuinely lovely, forward-thinking organisation in Stone that is looking to recruit a Systems Administrato...Read More>>.

I’m working with an electronic manufacturing services provider (EMS) based in Reading. Due to rapid growth I’m looking for a Systems Administrator to join there innovative team. This is a very "hands on" role where you will be workin...Read More>>.

Sanderson Government & Defence provided pay rangeThis range is provided by Sanderson Government & Defence. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay range...Read More>>.

Overview Team Lead & Principal Technical Recruiter - Engineering Division Length: 3 years to start Job Description: We are seeking a talented Senior Linux Systems Administrator to support a mid-sized RedHat Lin...Read More>>.

Software Divisional Lead @ SoCode | Technical Recruiting | Digital Transformation, IT, Infrastructure & MSP Location: Cambridge Salary: 65-75K Employment Type: Full time About the Role...Read More>>.

Applicants must hold active and valid Developed Vetting (DV) security clearance to be considered for this opportunity. Unfortunately, applications from candidates without current DV clearance cannot be progressed. An opportunity is available fo...Read More>>.

Salt Digital Recruitment is seeking a DV-cleared Senior Linux System Administrator to join a security-focused team supporting a large-scale UK national infrastructure big data platform. The role emphasizes on-site delivery with strict DV clearance...Read More>>.

Shield AI is seeking a Systems Administrator to support, secure, and optimize enterprise IT operations across Windows and Linux environments. You will manage end-user support, infrastructure maintenance, asset lifecycle processes, and mentor junio...Read More>>.

DXC Technology in Cheltenham is seeking a Linux System Administrator to join our on-site team. You will handle first and second line incidents, monitor system health, and contribute to security and compliance initiatives.The role requires s...Read More>>.

Quality Systems ManagerCounty LouthVickerstock are working in partnership with a leading specialist engineering and manufacturing business on the appointment of a Quality Systems Manager...Read More>>.

Senior System AdminLocation: Northern Ireland - Fully RemoteSalary: Up to £55,000Type: PermanentA fantastic opportunity has opened for an experienced Senior Syste...Read More>>.

The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to...Read More>>.

Queen Mary University of London is seeking a Systems Administrator for ITS Research to support the Linux-based HPC cluster, Research services (e.g., GitHub Enterprise) and virtual machines. The role requires strong Linux skills, HPC expertise and...Read More>>.

Job Description: Linux System Administrator Security Requirements Due to the nature of the work and the customers we support, successful candidates must be eligible to meet UK Government and contractual security req...Read More>>.

The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to...Read More>>.