Senior Linux System Administrator - DV Security Cleared

Company IconSalt
Location IconReading

Applicants must hold active and valid Developed Vetting (DV) security clearance to be considered for this opportunity. Unfortunately, applications from candidates without current DV clearance cannot be progressed.An opportu...Read More>>.

Posted: September 23rd, 2026
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Senior IT Systems Administrator – 3rd Line & Microsoft 365

Company IconWeston College
Location IconWeston Super Mare

Weston College is seeking an IT Systems Administrator for a full-time role based on campus in Weston-super-Mare. The position involves 37 hours per week and on-site interviews at a college campus.Day-to-day duties include providing 3rd line...Read More>>.

Posted: October 21st, 2026
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Senior Linux System Administrator – DV Cleared (Onsite)

Company IconSalt
Location IconReading

Salt is seeking a Senior Linux System Administrator with active DV clearance to join the security team in Reading, supporting a secure, large-scale big data platform for a critical national infrastructure program.The role is permanent, onsi...Read More>>.

Posted: October 21st, 2026
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IT Systems Administrator: SLA-Driven Desk & Network Support

Company IconDYWIDAG
Location Icon

DYWIDAG is seeking an IT System Administrator based in the UK (Southam area) to provide desktop and systems support for UK users and factory systems. You will work with IT Managers to develop and maintain structured SLA agreements and drive adopti...Read More>>.

Posted: October 21st, 2026
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IT Systems Administrator — Hybrid, Growth-Driven Tech Role

Company IconFlogas Ireland
Location IconNorthern Ireland

Flogas Ireland is seeking an IT System Administrator to join our IT Team on a permanent contract. The role focuses on troubleshooting complex issues, maintaining IT systems, and ensuring minimal disruption to business operations.You will pr...Read More>>.

Posted: October 21st, 2026
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Systems Administrator / Information Services / Full Time / Days

Company IconWood County Hospital
Location IconEast Midlands

Elevate your career at Wood County Hospital, where you’re not just a number – you’re a vital part of a team making a real difference. Systems Administrator / Information Services / Full Time / Days The Systems Administrator...Read More>>.

Posted: October 21st, 2026
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Senior IT Systems Administrator – Cloud, Networking & AV Support

Company Iconloveholidays
Location IconLondon

loveholidays is seeking a Senior System Administrator to ensure the smooth operation of IT systems across the UK and Europe. You will report to the Senior Business IT Manager and support staff in our London HQ, Dusseldorf, and remote sites....Read More>>.

Posted: October 21st, 2026
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Hybrid IT Systems Administrator & Senior Support Lead

Company IconSoCode Limited
Location IconCambridge

SoCode Limited in Cambridge is seeking a Systems Administrator to manage and support a hybrid IT environment spanning on‑premise and cloud services. You will mentor junior staff, act as a senior escalation point and contribute to continual impro...Read More>>.

Posted: October 21st, 2026
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Senior AI Systems Administrator: Impactful HPC & GPU Infra

Company IconCommonAI CIC
Location IconCambridge

CommonAI CIC in Cambridge, UK, is seeking a Senior AI Systems Administrator to join our engineering team. You will provision and maintain multi-rack GPU clusters for inference and training workloads, blending cutting-edge hardware with sophisticat...Read More>>.

Posted: October 21st, 2026
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Linux & Cloud Systems Administrator – Secure Infra (Onsite Reading)

Company IconProject Freelance
Location IconReading

CGI is seeking a System Administrator for the BOREALIS team to manage secure cloud infrastructure on-site in Reading. You will monitor health, respond to alerts, and support mission-critical systems in a highly secure environment.The role r...Read More>>.

Posted: October 21st, 2026
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Senior Windows Systems Administrator — AD, Exchange & GPO Pro

Company IconGlobal Relay
Location IconLondon

Global Relay is seeking a Senior Windows Administrator to lead design, deployment, and support of Windows environments, focusing on Exchange, Active Directory, and desktop management. The role collaborates with Operations, Security, and IT teams t...Read More>>.

Posted: October 21st, 2026
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Hybrid Senior Systems Administrator – UK IT Lead

Company IconWe Are Africa
Location IconLondon

Forge is seeking a Senior Systems Administrator for our London-based UK team. You’ll be based onsite in Shepherd’s Bush with hybrid work arrangement, owning IT environments across UK and South Africa and collaborating with a US IT lead....Read More>>.

Posted: October 21st, 2026
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IT Support Engineer: Path to Systems Administrator (Hybrid)

Company IconAbtrace Ltd.
Location IconLondon

Abtrace Ltd. in London is seeking an IT Support Engineer to own internal IT across the company, supporting users and managing access, devices, and day-to-day troubleshooting.The role is hands-on within a small team, with a clear path toward...Read More>>.

Posted: October 21st, 2026
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Senior IT Systems Administrator – Hybrid Cloud & Security

Company IconSoCode Limited
Location Icon

SoCode Limited in Cambridge is seeking a Systems Administrator to manage a hybrid IT environment spanning on-premise and cloud services. You will work with infrastructure colleagues, support technicians and stakeholders to keep systems secure, res...Read More>>.

Posted: October 21st, 2026
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Senior IT Systems Administrator - Ship & Office Infra

Company IconLomar Shipping Limited
Location IconLondon

Lomar Shipping Limited is seeking an experienced IT Systems Administrator to join our IT Department in London. You will be responsible for administering, maintaining, and improving the company’s office and vessel IT infrastructure to ensure high...Read More>>.

Posted: October 21st, 2026
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Senior IT Systems Administrator — Cloud & Security Lead

Company IconTwinStream Limited
Location Icon

TwinStream is seeking a Senior IT Systems Administrator to take senior operational responsibility for the performance and resilience of our IT systems as the business grows.Working under the IT Technical Lead, you will lead complex deployme...Read More>>.

Posted: October 21st, 2026
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Pricing & Systems Administrator: Data-Driven & Excel-Savvy

Company IconAlliance Automotive Group
Location IconBirmingham

Alliance Automotive Group is a leading distributor of vehicle parts for the independent automotive aftermarket in Europe, with a vast network of distribution centres and stores across multiple countries. The company offers a competitive salary, an...Read More>>.

Posted: October 21st, 2026
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Career Leap System Administrator Neath, United Kingdom

Company IconEducators
Location IconNeath

Are you passionate about creating opportunities for people, building strong partnerships, and making a real impact on skills, careers and progression? We are seeking an enthusiastic and organised Career Leap System Administrator to join our Busine...Read More>>.

Posted: October 21st, 2026
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Systems Administrator - Security-Cleared (Hybrid UNIX/Linux)

Company IconAirbus Defence and Space
Location IconChippenham

Airbus Defence and Space is seeking a System Administrator to join their Spacecraft Control Centre Support Team in Chippenham. This role involves the installation and maintenance of systems critical for command and control of spacecraft.The...Read More>>.

Posted: October 21st, 2026
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Senior Linux System Administrator – DV Security Cleared

Company IconSalt Digital Recruitment
Location IconLondon

Applicants must hold active and valid Developed Vetting (DV) security clearance to be considered for this opportunity. Unfortunately, applications from candidates without current DV clearance cannot be progressed. An opportunity is available fo...Read More>>.

Posted: October 21st, 2026
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System Administrator 1 - Technical Operations Center (Sunday shift)

Company IconM.C. Dean, Inc.
Location IconLondon

About M.C. Dean M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterpr...Read More>>.

Posted: October 21st, 2026
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Systems & Reporting Administrator

Company IconResource Management Solutions
Location Icon

Systems & Reporting Administrator Resource Management Solutions Darlington, County Durham, EnglandSystems & Reporting AdministratorAre you great with Excel, systems and data? Do you spot when something doesn't look right and enj...Read More>>.

Posted: October 21st, 2026
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Systems & Application Administrator

Company IconJ.W. Pepper & Son, Inc.
Location IconExton

Position Summary The Systems & Applications Administrator is responsible for the administration, maintenance, support, and continuous improvement of the organization's server infrastructure, enterprise technology platforms, and busines...Read More>>.

Posted: October 21st, 2026
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Hybrid Senior Systems Administrator — UK IT Lead

Company IconThis is Beyond, Ltd.
Location IconLondon

Forge in London (Shepherd’s Bush) seeks a Senior Systems Administrator to own and optimize a world-class IT environment across the UK and South Africa. You will manage Windows and Mac, cloud platforms, and security, with hybrid work and frontlin...Read More>>.

Posted: October 21st, 2026
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Site Systems Co-ordinator / Site Systems Administrator

Company IconDalkia Energy Services Ltd
Location IconBridgwater

About Dalkia UKAt Dalkia, we're driven by a shared purpose: tackling climate change and building a better, more sustainable future. We bring together talented people who share knowledge, challenge each other and grow together.Ba...Read More>>.

Posted: October 21st, 2026
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Security Systems Administrator I — TOC Operator & Analyst

Company IconM.C. Dean, Inc.
Location IconLondon

M.C. Dean, Inc. is hiring a System Administrator 1 for its Security and Electronic Systems (SES) unit.You will join a TOC team configuring and maintaining CCTV, access control, PSIM and related electronic security services for federal, loca...Read More>>.

Posted: October 21st, 2026
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Senior Research Systems Administrator — HPC & AI Infra

Company IconUniversity of Oxford
Location IconOxford

The University of Oxford is establishing OxRC, a new university-wide research computing service. As a Senior Research Systems Administrator, you will design, deploy and operate Linux-based infrastructure, spanning HPC/HTC platforms and GPU-enabled...Read More>>.

Posted: October 21st, 2026
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Hybrid HPC System Administrator – Slurm, Linux & Storage

Company IconLenovo
Location IconFarnborough

Lenovo in the United Kingdom (Hampshire) is hiring an HPC System Administrator to manage data center infrastructure, Linux/Unix environments, and monitoring to ensure uptime and security. This role blends on-site and remote support for customers....Read More>>.

Posted: October 21st, 2026
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Infor Systems Specialist Infor Systems Administrator (CloudSuite)

Company IconReed
Location IconEssex

Infor Systems Specialist Inform Systems AdministratorThe Global Infor Administrator is responsible for the global operational management, administration, governance, and continuous improvement of the platform. The role will own the day-to-d...Read More>>.

Posted: October 21st, 2026
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PLM Systems Administrator - Trusted Data & Cross-Org Impact

Company IconGraphcore
Location Icon

Graphcore is seeking an experienced PLM Administrator to enhance the product information systems, keeping data accurate, traceable, and accessible across controlled documentation. You will manage document management and the standards portal, confi...Read More>>.

Posted: October 21st, 2026
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Senior AI Systems Administrator: GPU HPC Infra Lead

Company IconCommonAI Holdings Ltd
Location IconCambridge

CommonAI CIC in Cambridge is seeking a Senior AI Systems Administrator to design, deploy and maintain multi-rack GPU server clusters for inference and training. You will work at the intersection of high-end hardware and software orchestration, ens...Read More>>.

Posted: October 21st, 2026
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System Administrator 1 - Technical Operations Center (Sunday shift)

Company IconM.C. Dean
Location IconLondon

Overview About M.C. Dean M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, an...Read More>>.

Posted: October 21st, 2026
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System Administrator - 1 year FTC (London or Amsterdam)

Company IconJAC Recruitment (UK) Ltd.
Location IconLondon

Company: Global Retail Company Position: Infrastructure Specialist Contract: 1-year fixed term contract Location: London (Hybrid) Salary: 60,000 – 70,000 GBP + 10% Bonus...Read More>>.

Posted: October 21st, 2026
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OT & IT Systems Administrator: Linux, Cloud & Security

Company IconNoriker Power Ltd
Location IconCheltenham

Noriker Power Ltd is seeking a skilled IT Systems Administrator to maintain and improve the organisation's OT and Enterprise IT infrastructure. You will support Linux servers, Google Workspace, and cloud services while ensuring security and perfor...Read More>>.

Posted: October 3rd, 2026
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IT Systems Administrator - Grow with Microsoft IT Projects

Company IconNextech Group
Location IconNorthampton

Nextech Group is seeking an IT Systems Administrator in Northampton to join an established IT consultancy. You will provide IT support to internal users and remote clients, manage patching, deploy laptops, and support Microsoft 365, Windows Server...Read More>>.

Posted: October 5th, 2026
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Dynamic IT Systems Administrator – MS 365, Azure & Cloud

Company IconNextech
Location IconNorthampton

Nextech is seeking an IT Systems Administrator to join our established IT consultancy in Northampton. You will provide IT support to internal staff and remote clients, manage patching and updates, and deploy new laptops.The role covers Wind...Read More>>.

Posted: October 5th, 2026
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BRCGS Quality Systems Administrator - 2-3 Month Contract

Company IconCrystal People Consultancy
Location IconTonbridge

Crystal People Consultancy in Tonbridge, Kent is seeking a Quality Systems Administrator for a 2-3 month contract to support the implementation of the BRCGS Consumer Products Standard. The role is hands-on and requires strong documentation and pro...Read More>>.

Posted: October 9th, 2026
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Salesforce System Administrator (12 month Fixed-Term Contract)

Company IconParkinson's UK
Location IconLondon

You’ll be the System Administrator for our new NPC environment and will work on clearing the pots-implementation backlog, working with teams across the organisation to maximise the potential of our growing Salesforce portfolio. Working closely w...Read More>>.

Posted: October 11th, 2026
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Senior IT Systems Administrator - Hybrid, Secure & Automate

Company IconTwinstream Limited
Location IconGloucester

TwinStream is seeking a Senior IT Systems Administrator to own and secure our corporate IT estate across cloud and on‑premise services. This hands‑on role offers autonomy to drive improvements, automate tasks and mentor colleagues.You w...Read More>>.

Posted: October 12th, 2026
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Hybrid IT Systems Administrator — Cloud & Infrastructure Lead

Company IconSanderson
Location IconOswestry

Practice Plan, part of the Wesleyan Group, is hiring an experienced Systems Administrator to support and improve our infrastructure across the UK. You will lead projects, troubleshoot complex issues and help ensure secure, reliable technology for...Read More>>.

Posted: October 13th, 2026
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Hybrid IT Systems Administrator – Cloud & Infra Lead

Company IconPractice Plan Limited
Location IconOswestry

Practice Plan Limited in Oswestry, part of the Wesleyan Group, seeks an experienced Systems Administrator to maintain and improve our IT infrastructure. The role combines on-site and remote work, with typically two days in the Oswestry office, sup...Read More>>.

Posted: October 15th, 2026
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Network Systems Administrator - AD/Gpo, O365, Hyper-V

Company IconComtecs Ltd
Location IconLondon

Network Systems Administrator/IT Infrastructure Support Engineer - Windows Server, Active Directory, Group Policy, Microsoft 365, Hyper-V, LAN/WAN, Wi-Fi, VPN, SQL Server, Sage. Permanent. South East London/Hybrid 3/2. c£40k +Benefits...Read More>>.

Posted: October 16th, 2026
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Hybrid AWS/Linux Systems Administrator — PCI-DSS Ready

Company IconEdenred Italia S.r.l.
Location IconSwindon

Edenred PayTech Swindon is seeking a Systems Administrator to deliver, support, and maintain AWS and Linux-based processing platforms to meet regulatory requirements and SLAs.You will patch Linux servers, fix security vulnerabilities, and a...Read More>>.

Posted: October 16th, 2026
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IT Systems Administrator: Helpdesk & Cloud Identity Pro

Company IconNeat
Location Icon

Neat is seeking a technically capable IT support professional to provide frontline helpdesk coverage across our technology stack. The role emphasizes day-to-day operations, enabling productivity and business continuity across productivity platform...Read More>>.

Posted: October 16th, 2026
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Senior IT Systems Administrator — 3rd Line, 365 & Domain

Company IconWeston College Group
Location IconWeston Super Mare

Weston College is seeking an IT Systems Administrator to join our IT team. This full-time role (37 hours) supports multiple sites, delivering 3rd line IT support both remote and on-site, and maintains the 365 environment.Ideal candidates wi...Read More>>.

Posted: October 16th, 2026
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262196 (SNIS) System Administrator - Medical equipment management application

Company IconNHS National Services Scotland
Location IconCity of Edinburgh

NHS Scotland is committed to encouraging equality and diversity among our workforce and eliminating unlawful discrimination. The aim is for our workforce to be truly representative and for each employee to feel respected and able to give their bes...Read More>>.

Posted: October 16th, 2026
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Senior IT Systems Administrator (DV Clearance Eligible)

Company IconTwinStream Limited
Location Icon

TwinStream Limited is seeking a Senior IT Systems Administrator to take senior operational responsibility for the performance, resilience, maintenance and improvement of IT systems and services. You will work within the IT team to implement change...Read More>>.

Posted: October 17th, 2026
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HR Systems Administrator: SuccessFactors & Data Insights (Hybrid)

Company IconJet2.com and Jet2holidays
Location IconLeeds

Jet2.com and Jet2holidays is seeking an HR Systems Administrator to manage our HR systems, maintain accurate people data, produce meaningful reporting and provide first-class support to colleagues across the business.You'll be the first poi...Read More>>.

Posted: October 17th, 2026
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Automation-Driven IT Systems Administrator (Power Platform)

Company IconRise Technical Recruitment Ltd
Location IconRoss on Wye

Rise Technical Recruitment Ltd is seeking an IT Systems Administrator in Ross-on-Wye to drive automation projects using Power Apps, Power Automate, SharePoint and Power BI while maintaining hands-on responsibility for modern workplace technologies...Read More>>.

Posted: October 18th, 2026
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Senior Systems Administrator - Windows/Linux, IAM & On-Call

Company IconShield
Location IconLondon

Shield AI seeks a Systems Administrator to support, secure, and optimize enterprise IT operations across Windows and Linux environments. The role includes hands-on administration, asset lifecycle management, and mentoring junior staff in a modern,...Read More>>.

Posted: October 21st, 2026
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