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>>.

Job DescriptionSystems Administrator \ Support Engineer\nThis company delivers a wide range of technology solutions to organizations of all sizes that require a professional, reliable & friendly approach in helping them t...Read More>>.

Job DescriptionSenior IT Systems Administrator / Bristol (3 days on-site) / £50,000–£60,000 | DV Clearance Eligibility Required\nTake ownership. Solve complex challenges. Make IT better....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 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 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>>.

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>>.

System AdministratorHenderson WholesaleAttractive Salary and Benefits21 Hour WeekNewtownabbeyWho are we?At Henders...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>>.

Weekly Hours / Programmed Activities: 37.5Salary Band: Band 3Staff Group: Administrative and ClericalContract Type: PermanentJob Area: Admin and CorporateCompany DescriptionWorking as...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>>.

CREATE Fertility and IVI UK are seeking a Quality Administrator to manage the day-to-day operation of the Quality Management System (QMS), maintain documentation, and ensure regulatory compliance across the business.You will deputise for th...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>>.

Imperial College London is seeking an IT-administration professional to support the School of Medicine's digital systems and student data processes. The role involves data quality checks, maintaining student records, and enabling automated workflo...Read More>>.

Do you want to apply your technical skills and experience of information systems and technology? This is an opportunity to put your technical skills into practice, helping contribute to maintaining, improving and automating the digital systems and...Read More>>.

Job PurposeSystem Co-ordinator for the People and OD (HR) system, working in conjunctionwith the People and OD Systems Manager, ensuring the integrity of the database structure and data in the system and playing a key role in its ongoing...Read More>>.

DescriptionAt Ocean Infinity, we're using technology to transform operations at sea, making them safer, more efficient, and more sustainable.We're a team of innovators, problem-solvers, and challengers who believe there is always a b...Read More>>.

Ocean Infinity is seeking a Finance Systems Administrator to support, maintain, and enhance our core finance and procurement systems. This role will be responsible for day-to-day administration of key platforms including NetSuite, NSPB, Salesforce...Read More>>.

In 2019, the founders were working as engineers solving complex cross-domain problems within government organisations. TwinStreamwas formed to bring together their collectiveexpertiseand experience into a single business, focused on deliver...Read More>>.

We’re looking for an experienced Server Systems Administrator to join our Technology Team and play a key role in maintaining the server infrastructure that underpins Wessex Internet’s operations and customer services. This is a h...Read More>>.

TwinStream is seeking a Senior IT Systems Administrator to take senior operational responsibility for the performance and resilience of our IT systems as the business grows.Working under the IT Technical Lead, you will lead complex deployme...Read More>>.

Systems Administrator Job Description ACT Entertainment DEPARTMENT: Systems STATUS: Full-Time REPORTS TO: Chief Information Officer LOCATION: Margate, UK (hybrid) SCHEDULE: Mon-Fri, 8:30am-5.00pm tvONE,...Read More>>.

TwinStream is seeking a Senior IT Systems Administrator to own and secure our corporate IT estate across cloud and on‑premise services. This hands‑on role offers autonomy to drive improvements, automate tasks and mentor colleagues.You w...Read More>>.

TwinStream in Bristol is seeking a Senior IT Systems Administrator to own the corporate IT estate, keeping systems secure, reliable and ready for the future. This hands-on senior role offers autonomy to tackle complex challenges and drive improvem...Read More>>.

ACT Entertainment is seeking a proactive Systems Administrator to support a distributed, facility-based IT environment in Margate. You will own Help Desk escalations and manage Microsoft 365, Azure, endpoint deployment, and network troubleshooting...Read More>>.

Working pattern This is a fulltime, permanent position on Crick terms and conditions of employment. This is a hybrid role with a minimum of 4 days in the office reduced to 3 after 6 months. Salary: Circa £56,115 with benefi...Read More>>.

ActioNet is seeking a System Administrator with an Active Secret Clearance to support enterprise IT operations in a secure environment. The selected candidate will provide on-site end-user support and maintain system infrastructure across multiple...Read More>>.

Wessex Internet is seeking an experienced Server Systems Administrator to join our Technology Team. You will maintain the server infrastructure underpinning our operations and customer services, with hands-on responsibility for Linux and Windows e...Read More>>.

ActioNet is seeking a System Administrator with an Active Secret Clearance to support enterprise IT operations. The selected candidate will provide on-site end-user support and maintain system infrastructure in a secure environment. Locatio...Read More>>.

London North West University Healthcare NHS Trust is seeking an E-Rostering System Administrator (Band 4) on an 18-month fixed-term contract to maintain BAU rostering activities and data integrity.You will manage staff records, roster struc...Read More>>.

Job Ref:KC1698122LonSALocation:London, Greater London, United KingdomPostcode:W1W 5PNType of contract:PermanentSalary:£30000.00 to £35000.00 Per...Read More>>.

An opportunity has arisen for an E-Rostering System Administrator to join the Trust's E-Rostering Team at Band 4. This is an 18 month fixed term post providing business as usual cover to maintain operational continuity and ensure essential e-roste...Read More>>.

International Students House (ISH) in London is seeking an experienced Systems Administrator to join our IT team. The role is hands-on and varied, covering IT support, Microsoft 365, networking, systems administration, cybersecurity and IT project...Read More>>.

Salary Range: £35,000.00 To £40,000.00 AnnuallyJob DescriptionACT EntertainmentDEPARTMENT: Systems STATUS: Full-TimeREPORTS TO: Chief Information Officer LOCATION: Margate, UK (hybrid)SCHEDULE: Mon-Fri...Read More>>.

We are seeking an approachable, professional and motivated Workforce Systems Administrator with a drive to provide excellent customer service to join our innovative and dynamic Workforce Systems team at University College London Hospitals. This is...Read More>>.

London North West University Healthcare NHS Trust is seeking an E-Rostering System Administrator at Band 4 for an 18‑month fixed-term post. The role ensures accurate rostering data, maintains staff records, roster structures and establishment da...Read More>>.

Main area People Services E-Rostering Department Grade NHS AfC: Band 4 Contract 18 months (Fixed term/ Secondment) Hours Full time - 37.5 hours per week (Mon-Fri 9-5) Job ref 337-NP-9989KS Employer London North West University Healthcare NH...Read More>>.

University College London Hospitals NHS Foundation Trust seeks an approachable Workforce Systems Administrator to join the Workforce Systems team. You will provide high-volume HR/Recruitment/Payroll admin support, deliver ESR assistance to manager...Read More>>.