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>>.

A fast-growing global firm is seeking an experienced Systems Administrator to join the team in Central London. The business embraces flexibility so you will be able to work from home 2 days per week.In this brand-new role, you wi...Read More>>.

Job DescriptionOur client is seeking a skilled Workday System Administrator working within the IT organisation to support the implementation and ongoing management of our Workday Financials application. This individual wi...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 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 own the Linux and HPC platform stack, delivering secure, reliable enterprise and research-computing environments. You will manage Linux systems, HPC clusters, and workload scheduling while ensuring performance...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 mission-critical trading infrastructure for a leading fintech environment. You’ll join a fast-paced support team and collaborate with sales and engineering to troubleshoot, automate, and improve glob...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 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>>.

Salary: 36000 per annumShift hours: Full TimeKitchen Syste...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>>.

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>>.

Hybrid - 2-3 days a week in office (London, Liverpool Street)Join a high-growth UK banking business supporting 200+ fintech partners through Banking-as-a-Service infrastructure. This is a key role in building a modern, automated I...Read More>>.

Contract - Microsoft 365 Subject Matter Expert Location: London - OnsiteType: Contract - 6 month durationSalary / Day Rate: Competitive The Opportunity We're partnering with a highly respe...Read More>>.

Senior Linux Systems AdministratorRate: £Competitive (Inside IR35)Location: Reading area (100% on-site | Driver essential)Duration: 6-month contract (High chance of extension)Work Pattern: 9-day fortnight (Alterna...Read More>>.

We are Lenovo! We are hiring an HPC System Administrator in London to support mixed on-site and remote customer environments.You will manage data-center infrastructure, perform firmware upgrades and software patches, and troubleshoot comple...Read More>>.

Building 2, Moretown, Floor 54 Thomas More StreetLondon, LON E1W1YW, GBR We are seeking a proactive and detail-orientedGlobal Financial Systems Administratorto oversee the administration, optimization, and support of our e...Read More>>.

Systems Administrator / Engineer (Solace Messaging Linux Networking) London / WFH to £100kDo you have Solace message system administration skills?You could be progressing your career at a global brokerage and...Read More>>.

* United Kingdom - Hampshire - Farnborough Why Work at Lenovo We are Lenovo. We do what we say. We own what we do. We WOW our customers. Lenovo is a US$83 billion revenue global technology powerhouse, ranked #153 in the F...Read More>>.

Career Moves are partnering with a respected, long‑standing property real estate companybased in the heart of London that is seeking an experiencedBusiness Systems Analystto join their team.The Business Systems Administrator will play...Read More>>.

About M.C. DeanM.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterpri...Read More>>.

VE3 City Of London, England, United KingdomJoin or sign in to find your next jobJoin to apply for the AWS DevOps & System Administrator role at VE3VE3 City Of London, Englan...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>>.

Abtrace is tackling one of the hardest problems in healthcare: helping primary care deliver proactive, preventative care at scale. Based in Paddington, London, our team of doctors, researchers, engineers and data scientists builds clinic...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>>.

Abtrace is tackling one of the hardest problems in healthcare: helping primary care deliver proactive, preventative care at scale. Based in Paddington, London, our team of doctors, researchers, engineers and data scientists builds clinic...Read More>>.

Help us build a smarter, more scalable Talent Acquisition functionAt the company, we've created the world's first engineering-grade Augmented Reality solution for construction. Our technology is used on major projects around the world, helping...Read More>>.

Looking for your next opportunity in network infrastructure? Join a global technology services provider that has spent over two decades helping ambitious organizations connect their people, systems, and ideas. Building on this strong fou...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>>.

KBR, Inc. is seeking a Senior IT Systems Administrator (Linux & HPC) to own the Linux enterprise and HPC platforms. The role focuses on Linux engineering, HPC compute, SLURM workload management, and cluster provisioning with NVIDIA Base Command Ma...Read More>>.

Career Moves are partnering with a respected, long‑standing property real estate company based in the heart of London that is seeking an experienced Business Systems Analyst to join their team.The Business Systems Administrator will play...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 highly autonomous Staff Systems Administrator to own enterprise IT infrastructure and end-user computing in a security-sensitive environment. You will design, operate, secure, and improve on-prem and cloud infrastructure, id...Read More>>.

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BATaircraft, and Aechelon simulation and synt...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>>.

Shield AI is seeking a highly autonomous Staff Systems Administrator to serve as the accountable technical owner for enterprise IT infrastructure and end-user computing within a dedicated, security-sensitive entity environment. This senior individ...Read More>>.

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BATaircraft, and Aechelon simulation and synt...Read More>>.

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthe...Read More>>.

Company: Global Retail CompanyPosition: Infrastructure SpecialistContract: 1-year fixed term contractLocation: London (Hybrid) or Amsterdam (Hybrid)Salary: 55,000 - 65,000 GBP + 10% BonusJob responsibi...Read More>>.

Abtrace is tackling one of the hardest problems in healthcare: helping primary care deliver proactive, preventative care at scale.Based in Paddington, London, our team of doctors, researchers, engineers and data scientists builds clinical alg...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>>.

Intapp Systems Manager - Ipswich, Norwich, Cambridge, Chelmsford, BristolBirketts is a full service, UK Top 50 law firm. With a heritage spanning 160 years, we have more than 700 lawye...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>>.