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>>.

Volta is the category-defining, fully vertically integrated AI infrastructure platform – from capital to clusters to software, under a founder-led enterprise. Our mission is The Utility of Compute™: AI infrastructure as dependable and availabl...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 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 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 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 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 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>>.

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>>.

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>>.

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>>.

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>>.

Title: Senior IT Systems Administrator (Linux & HPC) KBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense and industrial base. Drawing from its rich 100-y...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>>.

Wavenet is a managed services provider offering cybersecurity, communications, and connectivity that grows with our customers’ businesses – no matter what the future holds. Since 2000, we’ve been keeping businesses connected. A...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>>.

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>>.

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>>.

At McLaren Racing, we’re not just here to try to take the chequered flag. We’re here to excite our fans, inspire our people and deliver for our partners. And we’re also committed to evolving our sport, our industry, and our technology, to...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>>.

Systems Administrator - Identity SpecialistIn the Crick's Infrastructure Team.Part of Crick Operations.Key informationJob Title: Systems Administrator – Identity SpecialistDetails of the role:...Read More>>.

Senior Linux System Administrator – DV Security Clearance (London or Reading)Title: Senior Linux System AdministratorClient: Leading UK Telecommunications OrganisationEmployment: PermanentLoc...Read More>>.

At Forge, we bring together a global portfolio of market-leading businesses and specialist teams, connected by the technology and systems that help them do their best work. We’re collaborative, ambitious, and always looking for smarter ways to b...Read More>>.

About The Role: The System Administrator is responsible for installing, configuring, and maintaining the company’s IT infrastructure, including servers, networks, and security systems. This role ensures the stability, efficiency, and...Read More>>.

Salary: £60,000 - 65,000 per year Requirements 10+ years of progressive, hands-on experience in IT infrastructure, network engineering, and technical operations roles. Mastery of endpoint management using Mic...Read More>>.

We are seeking an experienced Global Infor System Administrator to take ownership of a global Infor CloudSuite A&D ERP platform within a leading international manufacturing organisation.To be considered for an interview, please make sure y...Read More>>.

HR Data & System AdministratorThe initial shortlisting calls will take place on the 22nd October,with interviews scheuled for the 3rd November 2026.We areHestia. We make a difference....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>>.