network system administrator

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

  • IT Systems

    4 days ago


    Heston West, Greater London, United Kingdom Parkside Full-time

    IT Systems & Network Administrator ONSITE Heathrow / Heston  £50,000 – £80,000 depending on experience We are recruiting for an experienced and hands-on IT Systems & Network Administrator to join our client’s IT team. This is a varied infrastructure role covering network administration, firewall management, virtualisation, servers and end-user...

  • IT Systems

    5 days ago


    Hounslow, England, United Kingdom Parkside Office Professional Careers Full-time

    SonicWall firewalls - configuration, VPNs, security policies & troubleshooting VMware ESXi / vSphere - administration, provisioning, backups & performance Windows Server & Active Directory IT Systems & Network Administrator ONSITE Heathrow / Heston £50,000 – £80,000 depending on experience We are recruiting for an experienced and hands-on IT Systems &...


  • Fareham, England, United Kingdom Carbon 60 Full-time

    Maritime Works (MarWorks) Systems Administrator/Network Technician Location: Semaphore Tower/MCSU, Portsmouth Working Pattern: Full-time, On-site Security Clearance: SC on start or willingness to obtain, with the ability and willingness to obtain DV Clearance Travel: Occasional travel to MOD and Royal Navy sites, including Plymouth, as required Contract:...


  • Southwick, Hampshire, Hampshire, United Kingdom Carbon 60 Full-time

    Maritime Works (MarWorks) Systems Administrator/Network Technician Location: Semaphore Tower/MCSU, Portsmouth Working Pattern: Full-time, On-site Security Clearance: SC on start or willingness to obtain, with the ability and willingness to obtain DV Clearance Travel: Occasional travel to MOD and Royal Navy sites, including Plymouth, as...


  • Portsmouth, England, United Kingdom Carbon60 Full-time

    Maritime Works (MarWorks) Systems Administrator/Network TechnicianLocation: Semaphore Tower/MCSU, Portsmouth Working Pattern: Full-time, On-site Security Clearance: SC on start or willingness to obtain, with the ability and willingness to obtain DV Clearance Travel: Occasional travel to MOD and Royal Navy sites, including Plymouth, as requiredContract: Until...

  • IT Systems

    3 hours ago


    Carlisle, England, United Kingdom hays-gcj-v4-pd-online Full-time

    A successful and growing international manufacturing business is looking to appoint an IT Systems & Network Engineer to support its UK operations from its Carlisle site. This is a hands-on infrastructure role offering broad exposure across desktop support, networking, telmunications, local servers and IT project delivery, whilst working closely with a wider...


  • Watford, Hertfordshire, United Kingdom Experis Full-time

    Network & Systems Engineer Watford | £52,000 | Permanent | Onsite Experis are working with a client based in Watford who are looking to recruit an experienced Network & Systems Engineer into their established IT team. This is a broad, hands-on infrastructure role covering both networking and Microsoft technologies, with a particular emphasis on strong...

  • Network Administrator

    19 hours ago


    , United Kingdom Medigold Health Full-time

    Job Title: Network Administrator Contract: Fixed-term contract (Maternity cover), Full-time (37.5 hours per week) Monday to Friday Location: Home based within the UK Salary: £ 24,784.50 per annum Main Objectives The role of Network Administrator is varied and will see you supporting in several areas critical to the success of our Alcohol & Drug Testing...

  • IT Systems

    3 days ago


    Carlisle, England, United Kingdom Hays Specialist Recruitment Limited Careers Full-time

    A successful and growing international manufacturing business is looking to appoint an IT Systems & Network Engineer to support its UK operations from its Carlisle site. This is a hands-on infrastructure role offering broad exposure across desktop support, networking, telecommunications, local servers and IT project delivery, whilst working closely with a...


  • Guildhall, ENG, United Kingdom The City Of London Full-time

    Posting Start Date: 15/09/2026 Posting End Date: 05/10/2026 Department: Guildhall School of Music & Drama Office Location: Guildhall School of Music and Drama Level of DBS required for this role: None required Level of vetting required?: No security vetting is required Is this a politically restricted post?: No Does this post require a Baseline...

  • Network Administrator Premium

    3 days ago


    Glasgow, United Kingdom Whyte & Mackay Full-time

    Job Title:  Network AdministratorFunction: FinanceLocation: Head Office, Glasgow - Hybrid Working - Minimum of 2 days per week in the office.Job Level: (Internal Reference Only) 4Contract: Full Time / Permanent Role Reports to: Head of Business SystemsDate vacancy will close: Friday, 25th September 2026. Where we receive high numbers of applications...

  • Systems Engineer Sever

    10 hours ago


    london, london, United Kingdom Quant Capital Full-time

    Systems Engineer Sever / NetworkQuant Capital is urgently looking for a Systems Engineer to join our high profile client.My client is a well-established and well known fintech data provider to the financial markets.The client offers Gym Membership, every other Friday working on what you want, 10% work Time and 25 days holiday.I’m looking for a new Senior...


  • leatherhead, surrey, United Kingdom KBR Full-time

    Title:Senior Network AdministratorKBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense and industrial base. Drawing from its rich 100-year history and culture of innovation and mission focus, KBR creates sustainable value by combining engineering, technical and scientific expertise...


  • guildford, surrey, United Kingdom KBR Full-time

    Title:Senior Network AdministratorKBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense and industrial base. Drawing from its rich 100-year history and culture of innovation and mission focus, KBR creates sustainable value by combining engineering, technical and scientific expertise...


  • Leatherhead, Surrey, United Kingdom Surrey County Council Full-time

    This role has a starting salary of £31,659 per annum based on a 36-hour working week. We are excited to be hiring a new Network Coordination Administrator to join our dynamic team in the Environment, Infrastructure and Growth (EIG) Directorate and be part of providing essential services that benefit every single resident, business, and visitor in...

  • Network System Senior Engineer Premium

    3 days ago


    Norfolk, United Kingdom ODU Full-time

    Job DescriptionTo provide advanced network engineering support to the University’s network environment ensuring reliable, secure, and robust network communication systems. Support includes planning, designing, implementing, and maintaining network communication systems (routing, switching and data center technologies).

  • Systems Engineer Premium

    3 days ago


    London, United Kingdom Micro IT Global Full-time £65,000 Contract

    Systems Engineer - Radio Networks & Satellite Communications   Location: Hybrid - London, United Kingdom   Salary: £65,000+ plus shift allowance plus 12% Bonus and benefits   We are seeking a skilled Systems Engineer to join a dynamic team based in Central London. In this role, you will be responsible for the operational systems engineering aspect of a...


  • guildford, surrey, United Kingdom KBR Full-time

    Title:Lead IT Network Administrator, Network, Voice, AVKBR is seeking a Lead IT Network Administrator (Network, Voice & AV) to join our team supporting complex, mission critical IT infrastructure across enterprise and secure environments. This role is responsible for leading the administration, optimisation, and support of networking, voice, and audiovisual...


  • leatherhead, surrey, United Kingdom KBR Full-time

    Title:Lead IT Network Administrator, Network, Voice, AVKBR is seeking a Lead IT Network Administrator (Network, Voice & AV) to join our team supporting complex, mission critical IT infrastructure across enterprise and secure environments. This role is responsible for leading the administration, optimisation, and support of networking, voice, and audiovisual...


  • Smethwick, England, United Kingdom DPD Group UK Full-time £27,500

    Company DescriptionContract Type: Permanent / 37.5 Hours Per WeekSalary: circa £27,500Location: Roebuck Lane, West Midlands, B66 1BYDays of Work: Monday to FridayHours of Work: 08:00 - 16:30Join us on our journey as we aim to be the UK’s most sustainable delivery company, whilst  ensuring our customers continue to receive a world class service. You...