Linux Systems Administrator (HPC)

Company IconLinuxRecruit
Location IconLondon

Overview In this role you will maintain and optimize Linux-based systems at scale to enable rapid, reliable cancer research. You will work with a cross-functional team of researchers and engineers to keep the infrastructure available and ef...Read More>>.

Posted: September 30th, 2026
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Junior Linux Systems Administrator

Company IconQuant Capital
Location IconLondon

Overview As a Junior Linux Systems Administrator, you will support a global Linux infrastructure for a well-known retail trading business. You’ll monitor mission-critical systems to ensure uptime and performance and help implement new tec...Read More>>.

Posted: September 30th, 2026
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Systems Administrator – Azure Powershell

Company IconQuant Capital
Location IconLondon

Overview In this role, you will design, implement, and support scalable technology solutions for on‑premises and Azure environments. You’ll build self-service capabilities and automate deployments to improve efficiency. You’ll ensure...Read More>>.

Posted: October 1st, 2026
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Systems Administrator – Quant fund

Company IconQuant Capital
Location IconLondon

Overview In this role you will support and automate a diverse enterprise tech stack for a high-profile systematic fund. You’ll manage Windows and Linux environments, storage and clustering solutions, and a modern communications platform....Read More>>.

Posted: October 1st, 2026
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Linux System Administrator (HPC)

Company IconLinuxRecruit
Location IconLondon

Overview In this role you will support a university’s advancing research infrastructure by applying your Linux expertise to maintain and scale systems. You collaborate with researchers and IT teams to ensure reliable HPC storage, data man...Read More>>.

Posted: October 1st, 2026
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Linux Systems Administrator – Fintech

Company IconQuant Capital
Location IconLondon

Overview In this role you will support a high‑performance Linux environment powering ultra‑low latency trading. You will work closely with cross‑functional teams to monitor, optimize, and troubleshoot the production and development pl...Read More>>.

Posted: October 1st, 2026
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Linux Systems Administrator – Docker

Company IconQuant Capital
Location IconLondon

Overview In this role you will maintain and improve the client’s infrastructure within a fast-moving, innovative startup. You’ll ensure security, resilience, and reliable backups while monitoring server health and supporting data reques...Read More>>.

Posted: October 1st, 2026
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Senior HPC Systems Administrator

Company IconUniversity of Oxford
Location Icon

Overview As Senior HPC Systems Administrator you will lead the design, deployment, and ongoing evolution of the labs HPC infrastructure to support world-leading AI research. You will collaborate with researchers, software engineers, industr...Read More>>.

Posted: October 4th, 2026
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Systems Administrator / GitHub Enterprise

Company IconCognitive Group | Part of the Focus Cloud Group
Location Icon

Join a leading Microsoft partner – Digital, AI & Tech Transformation. Remote role but must be UK based and eligible for SC Clearance. No sponsorship can be offered. We are looking for a GitHub Enterprise Subject Matter Expert (SME)...Read More>>.

Posted: September 22nd, 2026
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Senior Linux Systems Administrator

Company IconSoCode Recruitment
Location IconCambridge

Software Divisional Lead @ SoCode | Technical Recruiting | Digital Transformation, IT, Infrastructure & MSP Location: Cambridge Salary: 65-75K Employment Type: Full time About the Role...Read More>>.

Posted: September 22nd, 2026
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Senior Research Systems Administrator

Company IconUniversity of Oxford
Location IconOxford

As Senior Research Systems Administrator, you will help develop, operate and continuously improve complex Linux-based research computing infrastructure, spanning established HPC and HTC platforms and emerging AI and GPU-enabled services. Your t...Read More>>.

Posted: September 22nd, 2026
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Dev Ops Systems Administrator

Company IconProactive Appointments
Location IconPirbright

Senior DevOps Systems Administrator Location: Woking, Surrey - Hybrid (1 day per month in the office) Are you an experienced DevOps Systems Administrator or Senior DevOps Engineer ready to take ownership of complex...Read More>>.

Posted: September 27th, 2026
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Senior AI Systems Administrator

Company IconCommonAI C.I.C.
Location IconCambridge

CommonAI CIC is a non-profit membership organisation, founded on a belief in collaborative engineering for the safe and responsible development of foundational AI technologies. A place where AI startups, enterprises large and small, public sector...Read More>>.

Posted: October 5th, 2026
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Senior AI Systems Administrator

Company IconCommonAI Holdings Ltd
Location IconCambridge

CommonAI CIC is a non-profit membership organisation, founded on a belief in collaborative engineering for the safe and responsible development of foundational AI technologies. A place where AI startups, enterprises large and small, public sector...Read More>>.

Posted: October 5th, 2026
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Systems Administrator – Identity Specialist

Company IconTHE FRANCIS CRICK INSTITUTE LIMITED
Location Icon

Systems Administrator - Identity SpecialistIn the Crick's Infrastructure Team.Part of Crick Operations.Key informationJob Title: Systems Administrator – Identity SpecialistDetails of the role:...Read More>>.

Posted: October 12th, 2026
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Linux System Administrator - OCONUS

Company IconCACI International
Location Icon

Job Title: Linux System Administrator - OCONUS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular-Long Term Assignment Perc...Read More>>.

Posted: October 14th, 2026
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Remote CRM & Revenue Systems Administrator

Company IconYO AI Labs
Location IconOxford

YO AI Labs is seeking experienced Salesforce / HubSpot Administrators to support a customer project focused on optimizing CRM and revenue systems. Remote contractor role with emphasis on data quality, policy alignment, and scalable governance acro...Read More>>.

Posted: October 16th, 2026
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Remote Salesforce & Revenue Systems Administrator

Company IconYO AI Labs
Location IconLondon

YO AI Labs is seeking an experienced Salesforce and HubSpot Administrator to support revenue systems for a SaaS customer project. You will audit CRMs, resolve data and process inconsistencies, and document operational approaches to complex workflo...Read More>>.

Posted: October 16th, 2026
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Systems Administrative Officer (Development) Job profile

Company IconC~urb
Location IconFalkirk

Salary £54,002.00 - £67,651.00 per annum (dependent on skills and experience). Salary £29,249 - £32,093 per annum. Salary will be dependent on skills and experience. Salary £29,249 - £32,093 per annum, pro rata. Salary will be...Read More>>.

Posted: October 22nd, 2026
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System Administrator – Linux & Cloud Infrastructure

Company IconProject Freelance
Location IconReading

The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to...Read More>>.

Posted: October 3rd, 2026
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Systems Administrator - Spacecraft Control Centre

Company IconAirbus
Location IconCorsham

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 timeWHAT'S IN IT FOR YOUFinanc...Read More>>.

Posted: October 5th, 2026
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IT Systems Administrator – Windows & Cloud

Company IconMYECF
Location Icon

MYECF is recruiting an IT Systems Administrator to join the IT Team in Leicestershire. You will manage day-to-day IT operations, security, reliability, and availability of the IT infrastructure including servers, networks, cloud services and busin...Read More>>.

Posted: October 7th, 2026
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Junior Workfront Consultant / System Administrator

Company IconAcensys
Location IconLondon

Experience Required: FresherJob Type: Full-timeDepartment: IT Consulting & Digital AutomationPosition Summary:At Acensys, we are seeking a proactive, innovative, and technically drive...Read More>>.

Posted: October 7th, 2026
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Remote System Administrator – Control Room

Company IconQiNet S.p.A. Impresoft 4ward
Location IconFull Sutton

Impresoft 4ward cerca un System Administrator per la Control Room, con focus su trouble shooting I e II livello e supporto reattivo/proattivo. Il ruolo si svolge con lavoro da remoto e turnazioni H24, in collaborazione con i clienti nazionali ed i...Read More>>.

Posted: October 13th, 2026
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IT Systems Administrator — Visa Sponsorship

Company IconEasyInfoBlog.com LLC
Location IconLondon

Polyglobe, associated with AXENTHOR TECHNOLOGIES LTD., in London, invites applications for an IT Systems Administrator to maintain and support the organisation’s IT infrastructure, ensuring secure, reliable and efficient systems and workplace te...Read More>>.

Posted: October 18th, 2026
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Systems Administrator – AWS, Linux & Automation

Company Iconedenpeople
Location IconSwindon

Edenred PayTech in Swindon is seeking a Systems Administrator to deliver, support, and maintain AWS and processing platforms that enable PayTech to meet regulatory requirements, customer SLAs, and increasing business demands.This role focus...Read More>>.

Posted: October 21st, 2026
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Industrial IT/OT Systems Administrator

Company IconFlint Hills Resources
Location IconGoole

Guardian Glass is seeking an IT/OT System Administrator for our Goole plant to support the plant's IT and Operational Technology infrastructure. You will work with Operations, Engineering, vendors and global IT/OT teams to maintain reliable system...Read More>>.

Posted: October 22nd, 2026
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SC Cleared Junior Systems Administrator

Company IconScot Lewis Associates
Location IconGloucester

Scot Lewis is partnered with a number of world-leading technology companies, consultancies, and SMEs that operate within the UK Cyber, National Security & Intelligence sector, helping them grow their Software Engineering teams locally.We cu...Read More>>.

Posted: October 22nd, 2026
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System Administrator - (Full time on site)

Company IconSolas IT Recruitment
Location IconNewry

OverviewSystem Administrator – Newry (Onsite, Full-time)We’re looking for a hands-on System Administrator to take ownership of our IT environment and play a key role in shaping our future ICT strategy. This is...Read More>>.

Posted: October 22nd, 2026
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Linux System Administrator — On-Site Cheltenham

Company IconDXC Technology Company
Location IconCheltenham

DXC Technology in Cheltenham is seeking a Linux System Administrator to join on site (5 days a week). You will implement standards, policies and process improvements while delivering day-to-day system support across Linux environments.The r...Read More>>.

Posted: October 22nd, 2026
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Linux Engineer / Linux Systems Administrator

Company IconLangland Consultants
Location IconSutton Coldfield

Job Description Linux System Administrator, Linux Engineer MySQL Administrator, DevOps Engineer, Redhat, competitive salary + benefits. About the Company: My client who provide software services and managed...Read More>>.

Posted: October 22nd, 2026
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Senior IT Systems Administrator (OSS)

Company IconIndra
Location Icon

Monitoring Senior IT Systems Administrator (OSS) - 20 month FTC Indra is one of the leading global technology and consulting companies and the technological partner for core business operations of its customers worldwide. It is a world...Read More>>.

Posted: October 22nd, 2026
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HSS - Sr System Administrator Wintel

Company IconDXC Technology Company
Location Icon

Security RequirementsDue to the nature of the work and the customers we support, successful candidates must be eligible to meet UK Government and contractual security requirements, including applicable residency requirements, and have...Read More>>.

Posted: October 22nd, 2026
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Fleet Systems Administrator (Samsara & Analytics)

Company IconIES Utilities Group Ltd.
Location IconManchester

IES Utilities Group Ltd is seeking a Systems Administrator to support the Plant & Fleet function, focusing on administering the Samsara Fleet Tracking platform and delivering accurate reporting. The role requires strong GDPR knowledge, data analyt...Read More>>.

Posted: October 22nd, 2026
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Systems Administrator - Spacecraft Control Centre

Company IconAirbus Defence and Space
Location IconChippenham

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...Read More>>.

Posted: October 22nd, 2026
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Salesforce & Systems Administrator - NPSP Expert

Company IconHTB Group Recruitment
Location IconLondon

Alpha International seeks a Salesforce Platform Administrator to own and optimise the core Salesforce instance and associated systems (Campaign Monitor, FormAssembly, Conga). You’ll work with stakeholders to translate needs into practical, scala...Read More>>.

Posted: October 22nd, 2026
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HR and Systems Administrator - National Charity

Company IconConfidential
Location IconLondon

HR and Systems Administrator - National Charity Salary: £29,000 per annum pro rata (£20,714 actual)Hours: 25 hours per week (5 hours per day), Monday to FridayLocation: South West London with a high degree of flexibility avai...Read More>>.

Posted: October 22nd, 2026
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Human Resources Information System Administrator

Company IconAnother Recruitment Ltd
Location Icon

At Another we are currently recruiting for a People Systems Administrator to join an established business in North Yorkshire. Part of a small team, reporting into the HR Systems Manager you will be the first point of contact for HR system maint...Read More>>.

Posted: October 22nd, 2026
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Quality Systems Administrator - eQMS & Compliance

Company IconTHG
Location IconWarrington

THG Nutrition is seeking a Technical Administrator to support eQMS operations, document control, and quality systems compliance at our Warrington site. The role involves training site users, managing data and audits, and coordinating investigation...Read More>>.

Posted: October 22nd, 2026
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Systems Administrator - Automation & Improvement (Onsite)

Company IconSafer Hand Solutions
Location IconStafford

Safer Hand Solutions is recruiting a Systems Administrator in Stone to support and improve business-critical systems onsite. You’ll work with stakeholders, analyze data, and drive automation and improvements to boost performance.The role...Read More>>.

Posted: October 22nd, 2026
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Hands-On Systems Administrator: Projects and Automation

Company IconOsirian Consulting Limited
Location IconReading

I’m working with an electronic manufacturing services provider (EMS) based in Reading. Due to rapid growth I’m looking for a Systems Administrator to join there innovative team.This is a very "hands on" role where you will be working wi...Read More>>.

Posted: October 22nd, 2026
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Industrial IT Systems Administrator – Hull

Company IconMichael Page
Location Icon

Michael Page is seeking an IS Systems Administrator in Hull to keep IT systems running smoothly in the industrial and manufacturing sector. You will monitor and maintain systems, troubleshoot issues, and help ensure business operations run efficie...Read More>>.

Posted: October 22nd, 2026
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