Overview In this role you will own the Windows infrastructure that underpins critical business operations. You will maintain and improve a mixed Windows and Linux environment across physical and virtual machines, with a focus on Windows ser...Read More>>.

Overview In this role, you ensure the stability of critical applications by performing production support and automation for container-based environments. You will work with platform, engineering and delivery teams to provide seamless infra...Read More>>.

Overview In this role, you will design, implement, and support scalable technology solutions for on‑premises and Azure environments. You’ll build self-service capabilities and automate deployments to improve efficiency. You’ll ensure...Read More>>.

Overview In this role you will support and automate a diverse enterprise tech stack for a high-profile systematic fund. You’ll manage Windows and Linux environments, storage and clustering solutions, and a modern communications platform....Read More>>.

Overview As a Linux Systems Engineer, you will help design, build, and sustain the infrastructure that provisions products across media, radio, and advertising. You’ll operate in a fast-growing SME environment with clear paths to impact a...Read More>>.

Overview As a Linux Systems Engineer in a high-profile trading environment, you will design and support highly available Linux estates across a modern tech stack. You’ll work alongside a senior Linux administrator to support production sy...Read More>>.

Overview In this role you will provide operational support for large, global-scale systems used in building management and physical security. You will work with a ticket-based workflow to troubleshoot and resolve issues, collaborating with...Read More>>.

Overview In this role you will own and govern core IFS master data to support global business processes. You will work across functions to ensure data is accurate, consistent, and ready for day-to-day operations, including onboarding new un...Read More>>.

Overview As a Systems Administrator, you will own the day-to-day IT function for the UK and Europe, acting as a trusted expert for IT requests in a hands-on capacity. You’ll manage IT systems, devices, security, SaaS, and office technolog...Read More>>.

Overview In this role you will strengthen a high-performance Linux-driven trading platform for a global quant firm. You will collaborate with a top-tier team to build and automate core systems powering proprietary trading, applying deep OS...Read More>>.

Overview In this junior role, you will support the staff’s technology and user experience across Windows/Linux desktops, servers, and enterprise apps. You’ll contribute to automation-driven IT operations and rapidly grow your technical...Read More>>.

Overview In this contract role, you will support the creation, maintenance and testing of software builds for SystemCanada, operating within a corporate IT environment. You will manage version control and traceability, and oversee maintenan...Read More>>.

Overview In this Senior Linux Engineer role, you design, build, and optimize cutting-edge Linux-based infrastructure for a leading trading and research environment. You will work within the Quant Systems team in London to shape compute, sto...Read More>>.

Overview In this role you will support a UK-based, high-frequency trading infrastructure expanding over the next 6–12 months. You’ll work within a small, cross-functional team to maintain hardware, networking, and software build pipelin...Read More>>.

Overview In this role you will support a global data center portfolio, focusing on architecture, implementation, troubleshooting and optimization in a fast-paced trading environment. You collaborate with software engineers, traders and infr...Read More>>.

Overview In this role you lead the IT Helpdesk and Systems Administration for a renowned systematic hedge fund, supporting Europe and Asia-Pacific offices. You will oversee a high-tech Windows and Linux environment, storage and clustered co...Read More>>.

Overview In this role you support a diverse tech environment spanning Windows and Linux servers, VMs, containers, and storage-heavy infrastructure. You will work with a cross-functional team to maintain network services, architecture, and o...Read More>>.

OverviewSite Reliability Engineer role at Tribal Group. Remote UK-based opportunity.This is a full-time remote role focused on maintaining reliable, scalable, and high-performance SaaS services across cloud environ...Read More>>.

CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the 'World's Best Employers' by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3....Read More>>.

Join a leading Microsoft partner – Digital, AI & Tech Transformation. Remote role but must be UK based and eligible for SC Clearance. No sponsorship can be offered. We are looking for a GitHub Enterprise Subject Matter Expert (SME)...Read More>>.

Formula 1 is seeking a D365 Systems Administrator to join our IT department. You will maintain and optimise the D365 Finance & Operations environment and integrated systems in line with F1 business goals. You will configure and support D365, build...Read More>>.

As Senior Research Systems Administrator, you will help develop, operate and continuously improve complex Linux-based research computing infrastructure, spanning established HPC and HTC platforms and emerging AI and GPU-enabled services. Your t...Read More>>.

Who We Are Verve is a global ad-tech company that owns and operates a fully integrated advertising stack, spanning demand, supply, and data. While most companies in our space specialize in one layer of the ecosystem, we own the DS...Read More>>.

Get AI-powered advice on this job and more exclusive features.This range is provided by Prism Digital. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDire...Read More>>.

About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting every...Read More>>.

The University of Oxford is establishing OxRC, a new university-wide research computing service. As a Senior Research Systems Administrator, you will design, deploy and operate Linux-based infrastructure, spanning HPC/HTC platforms and GPU-enabled...Read More>>.

Senior DevOps Systems Administrator Location: Woking, Surrey - Hybrid (1 day per month in the office) Are you an experienced DevOps Systems Administrator or Senior DevOps Engineer ready to take ownership of complex...Read More>>.

Our client is an international manufacturing organisation operating across multiple countries and production sites. The business is undertaking a major digital transformation programme, replacing a fragmented legacy systems landscape with a sin...Read More>>.

Nigel Wright Group is seeking a Global Infor Systems Administrator to own the operational management, administration and continuous improvement of the organisation’s global Infor environment.Joining during the latter stages of implementat...Read More>>.

Job Description SECURITY CLEARANCE: This position involves working within the UK Defence industry, requiring the applicants to be UK Nationals Only (No Dual Nationals) and able to be security cleared to a UK SC level. LOCATION:...Read More>>.

Job Description:SECURITY CLEARANCE: This position involves working within the UK Defence industry, requiring the applicants to be UK Nationals Only (No Dual Nationals) and able to be security cleared to a UK SC level.LOCATION:...Read More>>.

SECURITY CLEARANCE: This position involves working within the UK Defence industry, requiring the applicants to be UK Nationals Only (No Dual Nationals) and able to be security cleared to a UK SC level.,Architect and Maintain Infrastruc...Read More>>.

Jobgether SRL, listed via a partner company, seeks a Systems Administrator to drive secure, reliable operation of cloud-hosted research apps and AI platforms in a fully remote UK environment.You'll manage cloud across GCP/AWS, containerized...Read More>>.

Network & Computer Systems Administrators Wanted | Remote Contract Opportunity | AI Research Project About the Opportunity We're partnering with one of the world's leading AI laboratories to recruit experienced Network and C...Read More>>.

Business Central Systems Administrator Worcester | Onsite, Monday-Friday, 8am-5pm £40,000-£45,000 per annum, depending on experience | Quarterly bonus scheme VIQU has partnered with a growing manufacturer serving the const...Read More>>.

Job PurposeThe Systems Administrator plays a key role in ensuring the availability, performance, and security of IT systems supporting the Scottish Universities Environmental Research Centre (SUERC). Based primarily at the SUERC site...Read More>>.

University of Glasgow is seeking a Systems Administrator to support the SUERC IT infrastructure at the Glasgow site. The role focuses on servers, networks, storage, and collaboration tools to ensure reliable services for 90–100 staff. You will w...Read More>>.

Pertemps Coventry Commercial is seeking a Waste Systems Administrator at Gaydon, Warwickshire to support Waste and Recycling One and Smart World platforms, coordinate audits, and prepare reports for KPIs. You’ll act as a central contact for oper...Read More>>.

International Students House (ISH) in London seeks an experienced Systems Administrator to join the IT team. The role involves hands‑on support across IT, Microsoft 365, networking, security and cloud services, working with the IT Manager to kee...Read More>>.

Field View Coordinator / Project Systems AdministratorCardiff or NeathFull-Time or Part-TimePermanent or Freelance Considered30,000 - 32,000 p.a. (Permanent) A well-established South Wales construction contra...Read More>>.

NHS Professionals is seeking a Salesforce System Administrator to join our Salesforce Centre of Excellence in Leeds. You will administer and optimise the Salesforce platform, support users, manage security and data quality, and collaborate with bu...Read More>>.

Impresoft 4ward cerca un System Administrator per la Control Room, con focus su trouble shooting I e II livello e supporto reattivo/proattivo. Il ruolo si svolge con lavoro da remoto e turnazioni H24, in collaborazione con i clienti nazionali ed i...Read More>>.

Pareto Facilities Management Ltd is seeking an experienced CAFM Systems Administrator to own the day-to-day administration, maintenance and continuous improvement of CAFM systems, including simPRO and Infraspeak. You will support planned and react...Read More>>.

Client Server Limited is seeking a hands-on Lead Systems Administrator to own and secure the Microsoft 365 and infrastructure stack across London sites. You will manage Entra ID, Intune, SharePoint, and Teams, while leading two system administrato...Read More>>.