Linux System Administrator jobs in United Kingdom

Linux Engineer / System Administrator We are seeking a Linux Engineer / System Administrator to support secure and mission-critical operational systems for high-profile clients across National Security . This is an excellent opportunity to join a business with a strong engineering pedigree, working in small, highly capable teams delivering impactful outcomes in critical environments. You'll...

Job Description:Mandatory Skills: Linux Admin Work ConditionsMust be available on-site in Warwick, 5 days a week.Location should be easily commutable to Warwick. Department: Health Team Critical Applications SupportPosition Purpose The Health Team serves as the primary support for critical applications, ensuring stability, security, and operational excellence. This role requires strong technical...

Linux Administrator Job Description Role Overview Role/Job title: Linux Administrator Work Location: Stevenage, UK Mode of working Hybrid /office based: Hybrid If Hybrid, how many days are required in office?: 3 days The Role This role plays a critical part in supporting and optimizing enterprise-grade Linux infrastructure within a large-scale project environment. You will work on...

Senior DevOps Systems Administrator £60,000 £65,000 DOE | Hybrid Working (1x day a month office) Are you an experienced DevOps professional looking for a role where you can genuinely influence architecture, tooling, and ways of working? Do you enjoy owning infrastructure end-to-end rather than simply keeping the lights on? This opportunity offers the chance to join a well-established yet...

Systems Administrator / Engineer (Solace Messaging Linux Networking) London / WFH to £100kDo you have Solace message system administration skills?You could be progressing your career at a global brokerage and technology firm, whilst enjoying a range of perks and benefits. xbpsjkuAs a Systems Administrator you will support the enterprise messaging infrastructure, built on Solace PubSub+. You'll be...

Freelance Network & System Administrator Location: Winnersh (On‑site with some flexibility) Contract: Freelance / Long‑term mission Security Requirement - UK Home Office SC (Security Clearance) is required for this role Are you a skilled Network & System Administrator looking for a high‑impact freelance assignment? This role offers the opportunity to lead a major infrastructure upgrade at...

Join this high-growth AI tech company, providing IT support for internal infrastructure Essex - North; to £60,000 DoE Based in north Essex (commutable from Cambridge, Harlow and Royston), this rapidly growing start-up develop software and hardware technologies. They have their own IT systems to enable efficient operations of the business. As their IT Systems Administrator, key responsibilities...

Location: Saffron Walden Job Type: Permanent Hours: Monday-Friday, Salary: Competitive Job Reference: 35905 Polytec are looking for a full time, office based, IT Systems Administrator to support, maintain and enhance our Saffron Walden based clients software, hardware and network infrastructure. This is a hands-on, business-critical role ensuring that all internal IT systems run smoothly,...

We are the leading provider of infrastructure services. At Altrad, we transform our nation’s critical infrastructure to operate safely and sustainably. With over 11,000 talented people, we provide the full spectrum of critical engineering and construction services for industries both onshore and offshore Join a Leading Organisation. Role Details: IT Senior Systems Administrator Altrad are...

Freelance Network & System Administrator Location: Winnersh (On‑site with some flexibility) Contract: Freelance / Long‑term mission Security Requirement - UK Home Office SC (Security Clearance) is required for this role Are you a skilled Network & System Administrator looking for a high‑impact freelance assignment? This role offers the opportunity to lead a major infrastructure upgrade at the...

Job Description LEAD IT SYSTEMS ADMINISTRATOR £65,000 + BENEFITS MANCHESTER (Hybrid) This is a senior, ownership-heavy role where you will design, build and continuously improve how internal systems and workflows operate. THE COMPANY: I'm partnering with a fast-growing, UK-based financial services organisation that operates at the intersection of banking, technology and fintech enablement....

Job Title: Systems Administrator Location: Scarborough Salary: Competitive Job type: Full Time - Permanent The role: The Systems Administrator will be responsible for maintaining, optimizing, and securing the company's IT infrastructure across multiple manufacturing and office environments. This role supports operational continuity by ensuring systems are reliable, scalable, and compliant...

Systems Administrator / Developer Hull - Office based Do you enjoy owning IT systems end to end rather than just firefighting tickets? Are you comfortable switching between infrastructure support and hands-on development work? Looking for a stable, office-based role where your technical input actually matters? What's in it for you Up to £35,000 basic salary 25 days holiday plus bank holidays 5%...

IT Systems AdministratorHybrid/Edinburgh (infrequent visits to other sites)Up to £45,000 We are looking for a Systems Administrator who can implement, monitor, and support highly available IT solutions across multiple sites.As well as the day to day maintenance, youll be influencing the design and delivery of the on-premise and cloud solutions for all corporate staff. You will be leading numerous...

Systems Administrator / Engineer (Solace Messaging Linux Networking) London / WFH to £100k Do you have Solace message system administration skills? You could be progressing your career at a global brokerage and technology firm, whilst enjoying a range of perks and benefits. As a Systems Administrator you will support the enterprise messaging infrastructure, built on Solace PubSub+. You'll be...

Job Description Job Title: Systems Administrator Location: Scarborough Salary: Competitive Job type: Full Time - Permanent The role: The Systems Administrator will be responsible for maintaining, optimizing, and securing the company's IT infrastructure across multiple manufacturing and office environments. This role supports operational continuity by ensuring systems are reliable, scalable,...

Position: Senior Systems Administrator Location: Cambridge Day Rate: £40 p/h inside IR35 A central government organisation is seeking a Senior Systems Administrator to provide advanced technical leadership across infrastructure, cloud, security and systems operations. Core Technical Responsibilities Systems Administration - Manage and optimise on-prem and cloud-hosted systems in line with...

Job Description Senior DevOps Systems Administrator £60,000 £65,000 DOE | Hybrid Working (1x day a month office) Are you an experienced DevOps professional looking for a role where you can genuinely influence architecture, tooling, and ways of working? Do you enjoy owning infrastructure end-to-end rather than simply keeping the lights on? This opportunity offers the chance to join a...

Job Description Position: Senior Systems Administrator Location: Cambridge Day Rate: £40 p/h inside IR35 A central government organisation is seeking a Senior Systems Administrator to provide advanced technical leadership across infrastructure, cloud, security and systems operations. Core Technical Responsibilities Systems Administration - Manage and optimise on-prem and cloud-hosted systems...

Job Description Senior DevOps Systems Administrator £60,000 £65,000 DOE | Hybrid Working (1x day a month office) Are you an experienced DevOps professional looking for a role where you can genuinely influence architecture, tooling, and ways of working? Do you enjoy owning infrastructure end-to-end rather than simply keeping the lights on? This opportunity offers the chance to join a...