windows system administrator

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10,000 windows system administrator job listings in United Kingdom. Find daily updated positions from leading job boards.


  • kennington, england, United Kingdom Global Relay Full-time

    Who we are:For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions.Hit Apply below to send your application for consideration Ensure that your CV is up to date, and that you have read the job specs first.We securely capture and preserve...


  • Newington, London, United Kingdom Global Relay Full-time

    Who we are:For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions.Hit Apply below to send your application for consideration Ensure that your CV is up to date, and that you have read the job specs first.We securely capture and preserve...


  • London, England, United Kingdom Global Relay Full-time

    The Windows Administrator - L3, is a key member of the Operations team and works closely with other System Administrators, Desktop, Security, and Cyber Security Operations Center teams. The Senior Windows Administrator is responsible for the design, management, and support of our Windows environments, with a focus on corporate services for Exchange, Active...


  • London, England, United Kingdom Global Relay Full-time

    Global Relay is seeking a Senior Windows Administrator to join the Operations team in London. You will design, manage and support Windows environments with a focus on Exchange, Active Directory, and desktop management (GPO, SCCM, MDT, MSI re-packaging). You will implement desktop security policies, keep configurations up to date, and drive proactive incident...


  • London, England, United Kingdom Global Relay Full-time

    Global Relay is seeking a Senior Windows Administrator to lead design, deployment, and support of Windows environments, focusing on Exchange, Active Directory, and desktop management. The role collaborates with Operations, Security, and IT teams to ensure high availability and robust incident response.Office-based, with minimum 3 days in the UK office per...


  • london, United Kingdom Quant Capital Full-time

    Windows Systems Administrator – Quant Trading 80,000 + benefits and bonus Quant Capital is urgently looking for a Windows Systems Administrator to join our high profile client. This is an environment of Google or a startup where tech is number 1 with a huge budget allocated towards this. The firm is known globally for its attitudes and rigour more...


  • City of London, England, United Kingdom, England Global Relay Full-time £65,000 - £90,000

    The Windows Administrator - L3, is a key member of the Operations team and works closely with other System Administrators, Desktop, Security, and Cyber Security Operations Center teams. The Senior Windows Administrator is responsible for the design, management, and support of our Windows environments, with a focus on corporate services for Exchange, Active...


  • London, England, United Kingdom Client Server Full-time

    Lead Systems Administrator (Windows O365 Security) London / WFH to £50kAre you a hands-on IT professional with strong Microsoft 365 and infrastructure experience, looking to combine technical ownership with team leadership in a purpose-driven organisation?You could be progressing your career, taking ownership of the IT infrastructure for a charity that...


  • Charing Cross, London, United Kingdom Client Server Full-time

    Lead Systems Administrator (Windows O365 Security) London / WFH to £50kAre you a hands-on IT professional with strong Microsoft 365 and infrastructure experience, looking to combine technical ownership with team leadership in a purpose-driven organisation?You could be progressing your career, taking ownership of the IT infrastructure for a charity that...


  • City of London, England, United Kingdom, England Global Relay Full-time £65,000 - £90,000

    Global Relay is seeking a Senior Windows Administrator to join the Operations team in London. You will design, manage and support Windows environments with a focus on Exchange, Active Directory, and desktop management (GPO, SCCM, MDT, MSI re-packaging).You will implement desktop security policies, keep configurations up to date, and drive proactive incident...


  • London, England, United Kingdom DIAMLER GROUP - Mercedes Benz group Full-time

    Company DescriptionMercedes-Benz Group AG, operating as the DAIMLER GROUP, is a global leader in luxury automotive manufacturing and mobility solutions. Renowned for innovation, performance, and quality, the company is dedicated to shaping the future of mobility through advanced engineering and sustainable solutions. With a strong focus on technology and...


  • greater london, england, United Kingdom, England Shield AI Full-time £42,000 - £64,000

    Shield AI seeks a Systems Administrator to support, secure, and optimize enterprise IT operations across Windows and Linux environments. The role includes hands-on administration, asset lifecycle management, and mentoring junior staff in a modern, scalable IT setup.You will collaborate with infrastructure, network, and security teams, participate in on-call...


  • Northam, England, United Kingdom Spectrum IT Recruitment Limited Full-time

    A global technology business is looking for a Senior Windows Server Administrator to become the go-to escalation point for complex Wintel infrastructure issues.This is a role for someone who enjoys deep technical troubleshooting, not just keeping the lights on. You will be joining a business with a sizeable, established technology environment and current...


  • Southampton, Hampshire, United Kingdom Spectrum IT Recruitment Full-time

    A global technology business is looking for a Senior Windows Server Administrator to become the go-to escalation point for complex Wintel infrastructure issues. This is a role for someone who enjoys deep technical troubleshooting, not just keeping the lights on. You will be joining a business with a sizeable, established technology environment and current...


  • London, England, United Kingdom Spectrum IT Recruitment Limited Full-time

    A global technology business is looking for a Senior Windows Server Administrator to become the go-to escalation point for complex Wintel infrastructure issues.This is a role for someone who enjoys deep technical troubleshooting, not just keeping the lights on. You will be joining a business with a sizeable, established technology environment and current...


  • Southampton, England, United Kingdom GARMIN (EUROPE) LIMITED Full-time

    Lead Windows Server Administrator (IT)Location: Southampton, office based Hours: 40 hours per week, Monday to Friday, 08:30am - 17:30pmSalary: £65,000 - £85,000 per annum, depending on experienceExcellent BenefitsPlease note that Garmin do not offer sponsorship. All applicants must have the right to work in the UK and be able to travel in/out of the UK...


  • London, England, United Kingdom Saragossa Full-time

    Develop and support some of the most advanced corporate infrastructure environments within a leading global hedge fund. These platforms are critical to the organisation’s performance, reliability, and ability to operate at scale in a highly demanding financial environment.This role offers the opportunity to take the lead on a greenfield server build-out,...

  • Systems Administrator

    16 hours ago


    Leeds, West Yorkshire, United Kingdom Only FE Full-time

    Systems Administrator £32,006 - £33,850  per annum  We offer an excellent pension scheme, family friendly policies, opportunities for training and development and an employee discount scheme. Hours: 37 Hours per week  Leeds College of Building relies on robust systems to deliver outstanding learning. We’re looking for a Systems Administrator to...

  • Systems Administrator

    16 hours ago


    Livingston, West Lothian, United Kingdom Bright Purple Full-time

    Systems Administrator – Livingston (Hybrid) Salary: Up to £40,000 Bright Purple are delighted to be working with an established organisation seeking a talented Systems Administrator to join their IT team. This is an excellent opportunity for a technically minded IT professional who enjoys getting hands-on with infrastructure, solving complex problems...

  • Systems Administrator

    16 hours ago


    Lincoln, Lincolnshire, United Kingdom Symmetric Recruitment Ltd Full-time

    Systems Administrator Hybrid | Full-time A 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 its systems, security and uptime seriously, with genuine scope to drive improvements rather than just keep the lights on. You'll be a first...