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Full-time

Linux System Administrator Jobs In UK - 62 Job Positions Available

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1 – 20 of 62 jobs
RTX jobs

Date Posted:2026-06-10 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  9 days ago
Swift jobs

ABOUT US We’re the world’s leading provider of secure financial messaging services, headquartered in Belgium. We are the way the world moves value – across borders, through cities and overseas. No other organisation can address the

Swift  12 days ago
Boeing jobs

Unix / Openshift System Administrator Company:Boeing Defence United Kingdom Limited This post is for an OpenShift Platform Engineer to join the Infrastructure Team and will be jointly responsible for the day to day support and maintenance of the

Boeing  28 days ago
Anduril jobs

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to

Anduril  25 days ago
DXC Technology jobs

Job Description: At DXC Technology, delivering excellence for our customers and colleagues is more than just a motto, it’s something we strive towards constantly through our work. Every day we deliver mission critical services in a

DXC Technology  19 days ago
Hypersonica jobs

Help Build Europes Hypersonic Capability At Hypersonica, we’re redefining what’s possible in European defence technology. We exist to deliver speed, resilience, and technological independence at a pace that sets a new standard. We are a small,

Hypersonica  18 days ago
RTX jobs

Date Posted:2026-06-04 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  17 days ago
Ayvens jobs

At Ayvens, progress starts with you. Our ambitions to shape the future of sustainable mobility are powered by our talent. Join us, and get better with every move. The Data department is responsible for ensuring high

Ayvens  11 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  5 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  5 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  4 days ago
Equiniti jobs

Management LevelF EQ Retirement Solutions is transforming the retirement and pensions markets with leading administration and technology solutions. With over 1200 employees globally, 189 years of knowledge and 11 million pension scheme members and policyholders, we

Equiniti  24 days ago
Aristocrat jobs

At Aristocrat, were passionate about bringing happiness to life through the power of play! As a Senior Database Administrator, you will have a meaningful role in ensuring our critically important database systems are secure, scalable, and reliable. Youll

Aristocrat  25 days ago
Appello jobs

NETWORK ADMINISTRATOR Are you a passionate Network Engineer who loves solving complex challenges and making an impact? Join us and play a key role in keeping critical systems running smoothly, securely, and efficiently. You’ll take ownership of issues

Appello  12 days ago
Expleo jobs

Overview Are you ready to shape the future of secure network and server infrastructure across a global organisation? At Expleo, we’re expanding our UK Infrastructure Team and looking for a skilled Senior Infrastructure Engineer who thrives

Expleo  9 days ago
Boeing jobs

Network Administrator Company:Boeing Defence United Kingdom Limited Boeing Defence UK is looking for a Network Administrator to support various technical requirements within a busy IT Infrastructure team. This role will involve contributing to the delivery of projects and

Boeing  1 day ago
DXC Technology jobs

Job Description: Seeking: AIX & Red Hat Linux Engineer to join our team onsite at our client site in Preston, 3 days and 2 days from home. Department: IT Infrastructure Employment Type: Full-Time / permanent Security Clearance:

DXC Technology  2 days ago
Boeing Defence United Kingdom Limited jobs

Network Administrator Company:Boeing Defence United Kingdom Limited Boeing Defence UK is looking for a Network Administrator to support various technical requirements within a busy IT Infrastructure team. This role will involve contributing to the delivery of projects and

Boeing Defence United Kingdom Limited  1 day ago
Susquehanna International Group jobs

Overview An opportunity exists for a Co-location Operations (Colo OPs) engineer to join our Low Latency Trading Colo Ops Infrastructure Technology team based in London, reporting into the Dublin Infrastructure Technology team. As part of a

Susquehanna International Group  26 days ago
SAS jobs

Sr Cloud Technical Lead - UK, Marlow, UK, London & UK, Glasgow, Hybrid We’re a leader in data and AI. Through our software and services, we inspire customers around the world to transform data into intelligence

SAS  24 days ago

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