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System Administrator Jobs In UK - 6,938 Job Positions Available

1 – 20 of 6,938 jobs
Astreya jobs

Systems Administrator II (Weekend Shift) What this Job Entails: The System Administrator is expected to facilitate operational support to and on behalf of the assigned team. The assigned team supports and maintains a variety of large and global scale systems for

Astreya  28 days ago
Astreya jobs

What this Job Entails: The System Administrator is expected to facilitate operational support to and on behalf of the assigned team. The assigned team supports and maintains a variety of large and global scale systems for building management and

Astreya  28 days ago
Shield AI jobs

Founded in 2015, 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 and V-BAT and X-BAT aircraft. With offices and facilities

Shield AI  27 days ago
GXO Logistics jobs

Do you have experience in operation systems support and administration, and are you looking for a role where you can make a real impact on business operations? Are you passionate about troubleshooting technical issues, maintaining system performance, and

GXO Logistics  26 days ago
Airbus jobs

Job Description: SECURITY CLEARANCE: Must have or be able to obtain UK Eyes Only SC/DV Security Clearance via the UK Intelligence Community (UKIC) process. LOCATION: Corsham, Wiltshire TYPE: Full time WHATS IN IT FOR YOU Financial

Airbus  26 days ago
McBride jobs

McBride Consulting has an exciting opportunity for a System Administrator to support the the Air Force Life Cycle Management Center Electronic Systems PEO (AFLCMC/ES). The Electronic Systems System (ESS) Division aka Force Protection Divisions mission responsibility is to manage and execute

McBride  24 days ago
Five Rings jobs

About Five Rings Five Rings is a proprietary trading firm founded with a vision of combining strategy, innovation and technology to succeed in today’s global markets. With offices in New York, Boca Raton, London and Amsterdam,

Five Rings  21 days ago
Howden jobs

Who are we? Howden is a global insurance group with employee ownership at its heart. Together, we have pushed the boundaries of insurance. We are united by a shared passion and no-limits mindset, and our strength

Howden  16 days ago
RedCloud jobs

About RedCloud The global supply chain is broken—creating a $2 trillion inventory gap where essential consumer goods fail to reach the people who need them. Brands miss sales, distributors mismanage stock, and retailers face empty shelves.

RedCloud  12 days ago
RTX jobs

Date Posted:2026-06-30 Country:United States of America Location:US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDG Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required

RTX  12 days ago
Trainline jobs

About us We are champions of rail, inspired to build a greener, more sustainable future of travel. Trainline enables millions of travellers to find and book the best value tickets across carriers, fares, and journey options

Trainline  9 days ago
Thrive jobs

About Us: Thrive is a rapidly growing technology solutions provider focusing upon Cloud, Cyber Security, Networking, Disaster Recovery and Managed Services. Our corporate culture, engineering talent, customer-centric approach, and focus upon “next generation” services help us

Thrive  10 days ago
Sophos jobs

About Us Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its

Sophos  7 days ago
DXC Technology jobs

Job Description: 5 Days onsite in Manchester Must be a sole British Citizen who has lived in the UK for over 10 years At DXC Technology, delivering excellence for our customers and colleagues is more than

DXC Technology  3 days ago
Hitachi jobs

Location:London, London, United Kingdom Job ID: R1009294 Date Posted:2026-07-10 Company Name:Hitachi Rail GTS UK Limited Profession (Job Category):IT, Telecom & Internet Job Schedule: Full time Remote:No About Us A career at Hitachi Rail will help create

Hitachi  3 days ago
DXC Technology jobs

Job Description: 5 Days onsite in Manchester Must be a sole British Citizen who has lived in the UK for over 10 years At DXC Technology, delivering excellence for our customers and colleagues is more than

DXC Technology  2 days ago
DXC Technology jobs

Job Description: HSS Unix/Linux System Administrator Location: Manchester or Gloucestershire ( on site 5 days per week) Due to security vetting requirements candidates must be eligible for or currently hold clearance. Candidates must be sole UK national/British citizen

DXC Technology  2 days ago
DXC Technology jobs

Job Description: HSS Storage Systems Administrator Location: Manchester or Gloucester will be on site 5 days per week. Due to security vetting requirements candidates must be eligible for or currently hold clearance. Candidates must be sole UK national/British

DXC Technology  2 days ago
DXC Technology jobs

Job Description: HSS PaaS ( Openshift) System Administrator Location: Manchester or Gloucester - on site 5 days per week. Due to security vetting requirements candidates must be eligible for or currently hold clearance. Candidates must be sole UK

DXC Technology  14 hours ago
Origin Coffee jobs

About the role The Systems Administrator plays a key role in supporting Origin’s data and IT systems, ensuring they remain accurate, secure, and optimised. Combining data quality, user support, and system maintenance, the role underpins reliable and effective digital operations

Origin Coffee  10 hours ago

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