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.


  • 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...


  • London, 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. We securely capture and preserve the communications data of the world’s most highly regulated firms, giving them greater visibility and control over their information...


  • Southampton, England, United Kingdom, England Tenth Revolution Group Full-time £65,000 - £90,000

    Tenth Revolution Group is recruiting on behalf of a global technology business for a Senior Windows Systems Administrator to take a leading role in the design, reliability and ongoing development of its server environment.This is a senior technical position for someone who can own complex infrastructure, lead major incident investigations and contribute to...


  • 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

    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...


  • Charing Cross, London, United Kingdom Global Relay Full-time

    Who we are:Like the look of this opportunity Make sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description.For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely...

  • Hybrid Windows

    4 days ago


    Hinxton, England, United Kingdom, England Destinydot.com Full-time £39,000 - £43,000

    EMBL-EBI in Hinxton, near Cambridge, seeks an IT Systems Administrator to manage Windows enterprise environments including AD, DNS, DHCP, and M365/Azure. The role encompasses hybrid infrastructure, endpoint management, migrations, monitoring, security, and thorough documentation.Hybrid working with 1–2 days in the office weekly; visa exemptions for...


  • London, England, United Kingdom Shield AI Full-time

    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 synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific,...


  • 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...


  • 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...


  • 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,...


  • London, England, United Kingdom HCL Technologies Limited Full-time

    HCLTech is a global technology company, spread across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences...

  • System Administrator

    4 hours ago


    London, England, United Kingdom JAC Recruitment Full-time

    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 Microsoft Intune or other MDM solutions, and user access lifecycles in Entra ID (Azure AD). Documented experience supporting multi-site environments in...

  • Systems Administrator

    15 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

    15 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...


  • Ross on Wye, Herefordshire, United Kingdom Rise Technical Recruitment Full-time

    IT Systems Administrator £35,000 - £43,000 + Annual Bonus + Salary Reviews + Training + Progression + Pension + 32 Days Holiday + Benefits Ross-on-Wye Are you an IT professional with experience in Power Platform, Microsoft 365, general IT Support, SharePoint and Intune, looking for a varied role where you can drive business-wide automation projects...


  • London, England, United Kingdom Abtrace Ltd. Full-time

    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 algorithms that continuously scan patient records to detect deterioration, spot the early onset of disease, and surface...

  • Systems Administrator

    2 hours ago


    London, England, United Kingdom Robert Half Full-time

    Robert Half are supporting a leading global technology organisation within the entertainment and media industry in the appointment of an experienced Systems Administrator to join their IT function.This role will play a key part in maintaining, securing and improving the organisation's global IT infrastructure, with a focus on cloud platforms, identity...

  • Systems Administrator

    2 hours ago


    London, England, United Kingdom Bright Purple Resourcing 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 and...