Junior Linux System Administrator Jobs In Cardiff Page 5 by Location

Senior IT Systems Administrator (Linux & HPC)

Company IconKBR
Location IconSurrey

Overview In this role you will own the Linux and HPC platform stack, delivering secure, reliable enterprise and research-computing environments. You will manage Linux systems, HPC clusters, and workload scheduling while ensuring performance...Read More>>.

Posted: October 1st, 2026
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Senior IT Systems Administrator (Linux & HPC)

Company IconKBR, Inc.
Location IconLeatherhead

Title: Senior IT Systems Administrator (Linux & HPC) KBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense and industrial base. Drawing from its rich 100-y...Read More>>.

Posted: September 22nd, 2026
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Hybrid Systems Administrator – Identity & Email Specialist

Company IconHuge
Location Icon

Huge is seeking a seasoned Systems Administrator to join our global team as the US-based member. You will own day-to-day health of identity, email security, device management, and office networking while collaborating with teams across the America...Read More>>.

Posted: October 5th, 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 6th, 2026
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Senior Systems Administrator (R5064)

Company IconShield
Location IconLondon

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, V-BAT and X-BAT aircraft, and Aechelon simulation and synthe...Read More>>.

Posted: October 8th, 2026
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Senior Systems Administrator: Lead IT Ops & Security

Company IconShield
Location IconLondon

Shield AI is seeking a Systems Administrator to support, secure, and optimize enterprise IT operations across Windows and Linux environments. You will work with infrastructure, network, and security teams to maintain a scalable and secure IT envir...Read More>>.

Posted: October 8th, 2026
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Senior AI Systems Administrator — HPC & GPU Clusters

Company IconCommonai C.I.C.
Location IconCambourne

CommonAI CIC is seeking a Senior AI Systems Administrator to join our engineering team. You will provision and maintain multi-rack GPU server clusters designed for both inference and training workloads.This role is perfect for a hands-on en...Read More>>.

Posted: October 9th, 2026
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Expert in BMC Helix ITSM implementations / Senior IT Systems Administrator

Company IconIndra Group UK & Ireland
Location IconRedhill

About Indra Group UK & IrelandIndra is a leading global technology and consulting company, and a trusted technological partner for the core business operations of its clients worldwide. It stands at the forefront of key sectors including...Read More>>.

Posted: October 9th, 2026
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Senior Systems Administrator

Company IconThis is Beyond, Ltd.
Location IconLondon

Senior Systems AdministratorAt Forge, we bring together a global portfolio of market-leading businesses and specialist teams, connected by the technology and systems that help them do their best work....Read More>>.

Posted: October 9th, 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 9th, 2026
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Ashby Systems Administrator & Automation Specialist

Company IconWNTD
Location IconLondon

Volta is seeking an Ashby Systems Administrator to own the Ashby environment behind every hire and support recruitment teams across Europe and North America. You will design workflows, permissions and reporting to scale our hiring processes as vol...Read More>>.

Posted: October 10th, 2026
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Ashby Systems Administrator

Company IconWNTD
Location IconLondon

Volta is the category-defining, fully vertically integrated AI infrastructure platform – from capital to clusters to software, under a founder-led enterprise. Our mission is The Utility of Compute™: AI infrastructure as dependable and availabl...Read More>>.

Posted: October 10th, 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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Systems Administrator

Company IconJobs4IT
Location IconNorthwood

We are looking for an experienced Enterprise Infrastructure Systems Administrator to join a specialist technical team supporting mission-critical IT infrastructure in a highly operational environment. The role is an on-site Northwood, GB mi...Read More>>.

Posted: October 5th, 2026
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System Administrator

Company IconAnglian Water Group Ltd.
Location IconHuntingdon

System AdministratorCirca £38,692 dependent on skills and experience Permanent, full time (37 hours) with flexibility for part time working HuntingdonWe are looking for a System Administrator to join our Analytical Services team!...Read More>>.

Posted: October 5th, 2026
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On-Site Systems Administrator – Farnborough | SC Cleared

Company IconGBA5 EntServ UK Limited
Location Icon

DXC Technology in Farnborough is seeking an experienced System Administrator to join on-site operations. The role involves maintaining project support environments, providing internal help desk support, and ensuring data backups and recoveries....Read More>>.

Posted: October 6th, 2026
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Lab & LIMS System Administrator

Company IconAnglian Water Group Ltd.
Location IconHuntingdon

Anglian Water Group Ltd. is seeking a System Administrator to join our Analytical Services team in Huntingdon. The role supports the establishment of sustainable operations through efficiency, lean methods, and innovation, while delivering timely,...Read More>>.

Posted: October 6th, 2026
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Quality Systems Administrator

Company IconCrystal People Consultancy
Location IconTonbridge and Malling

Quality Systems Administrator required for business near Tonbridge, Kent initially on a 2 -3 months contract.Working for an established manufacturing and supply business to support the implementation of the BRCGS Consumer Products Standard....Read More>>.

Posted: October 6th, 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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IT Systems Administrator

Company IconMYECF
Location Icon

20 days per annum, plus bank holidays and Christmas shutdown Company pension Company funded Westfield Health cash plan We are one of the UK’s leading manufacturers of Kitchens, Bedrooms and Bathrooms, supplyin...Read More>>.

Posted: October 7th, 2026
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Dynamics 365 BC — Production Systems Administrator

Company IconRobinsons Brewery
Location IconStockport

Robinsons Brewery is seeking a Production Systems Administrator to join the Production team and support bottling and planning operations through effective use of Microsoft Business Central.You will be the go-to person for Business Central w...Read More>>.

Posted: October 7th, 2026
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Production Systems Administrator (12 month contract)

Company IconRobinsons Brewery
Location IconStockport

Production Systems Administrator12 month contractUnicorn Packaging Centre (UPC)Full Time | 40 Hours per Week | Monday-Friday (Flexible between 7am and 5pm)Join a Brewery That's Been Perfecting Its Craft Since 1838...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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Hybrid People Systems Administrator iTrent Expert

Company IconRHS Chelsea Flower Show Peter Beales Roses Limited
Location IconOckham

RHS Garden Wisley is seeking a People Systems Administrator to develop and administer our People Systems, ensuring data accuracy and delivering effective reporting and user support. The role is hybrid, blending Wisley on-site work with home-based...Read More>>.

Posted: October 8th, 2026
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People Systems Administrator

Company IconRHS Chelsea Flower Show Peter Beales Roses Limited
Location IconOckham

People Systems AdministratorRHS Garden Wisley, Woking, Surrey, GU23 6QB. This is a hybrid role which will involve a split of working at Wisley and working from home.Circa £42,000 per annumDo you have a pass...Read More>>.

Posted: October 8th, 2026
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HR Systems Administrator - Drive New HR System Rollout

Company IconKatie Bard & Angela Mortimer Plc
Location IconBirmingham

Katie Bard & Angela Mortimer Plc is seeking an experienced HR Systems Administrator to join a supportive team and help implement a new HR system. You will manage day-to-day HR system operations, handle inquiries, and support recruitment processes...Read More>>.

Posted: October 9th, 2026
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System Administrator: Logistics Systems & Access Management

Company IconWilson James
Location IconIpswich

Wilson James in Sizewell C is seeking a Systems Administrator to provide day-to-day administration and operational support for the digital systems used across the LLP service. You will manage user access, configuration, and interfaces with Fulcrum...Read More>>.

Posted: October 9th, 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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System Administrator

Company IconWilson James
Location IconIpswich

Do you want to work for a business who genuinely values and empowers its employees? Do you want to work for a business that is committed to your development, progression and well-being? We have an exciting opportunity for you to join...Read More>>.

Posted: October 9th, 2026
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BRCGS Quality Systems Administrator - Contract

Company IconCrystal People Ltd
Location IconTonbridge

Crystal People Ltd near Tonbridge, Kent is seeking a Quality Systems Administrator for a short-term 2-3 month contract to support the implementation of the BRCGS Consumer Products Standard.The role is hands-on, focusing on reviewing existin...Read More>>.

Posted: October 9th, 2026
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System Administrator - Inbound Operations (2 Shifts)

Company IconGXO Logistics, Inc
Location IconMonkston

GXO Logistics, Inc in Milton Keynes is hiring a System Administrator to support inbound operations for the Waitrose customer. The role requires working any 5 of 7 on a weekly rota, with shifts 06:00-14:00 and 14:00-22:00.You'll perform dail...Read More>>.

Posted: October 9th, 2026
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Quality Systems Administrator

Company IconCrystal People Ltd
Location IconTonbridge

Quality Systems Administrator required for business near Tonbridge, Kent initially on a 2 -3 months contract.Working for an established manufacturing and supply business to support the implementation of the BRCGS Consumer Products Standard....Read More>>.

Posted: October 9th, 2026
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Data & Systems Administrator for Customer Support

Company IconLanesGgroup
Location IconEast Midlands

Lanes Group is seeking a Customer Advisor/Administrator for a 12 Month Fixed-Term Contract to support the Severn Trent Water Clean Water contract. Based in Pride Park, Derby, you will manage data migration, integration and automation projects whil...Read More>>.

Posted: October 9th, 2026
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Systems Administrator, Farnborough

Company IconDXC Technology Company
Location IconFarnborough

Job Description: Overview of Business Area / Job Description: A new opportunity has arisen for an experienced System Administrator to work on-site in Farnborough. Due to the nature of the work and the customers we support...Read More>>.

Posted: October 9th, 2026
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Senior HPC Systems Administrator

Company Icon1000scholars
Location IconOxford

Location: Central OxfordWe are seeking a full-time Senior HPC Systems Administrator to join the Department of Engineering Science at the University of Oxford, working within the newly established The British Open-ended Learning and Discover...Read More>>.

Posted: October 9th, 2026
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Information Technology System Administrator

Company IconCode Wizards
Location IconReading

Code Wizards Group is a world leader in backend and multiplayer infrastructure for the gaming industry. From high-scale AAA console and PC games to fast-paced mobile indie titles, we empower studios to bring multiplayer experiences to life....Read More>>.

Posted: October 9th, 2026
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Systems Administrator – Cloud, Networking & MSP Support

Company IconThrive
Location IconEast Midlands

Thrive is seeking a System Administrator to provide remote support across diverse, multi-tenant environments, handling escalated incidents and complex service requests. You will troubleshoot, implement changes, coordinate with teams, and communica...Read More>>.

Posted: October 9th, 2026
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Systems Administrator for Research IT

Company Icon1000scholars
Location IconLondon

About the RoleThe primary duty of this role is to provide support for the operating systems, applications and services running on the ITS Research facilities. This covers the HPC cluster, various Research services (e.g. GitHub Enterprise)...Read More>>.

Posted: October 9th, 2026
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Systems Administrator

Company IconThrive
Location IconEast Midlands

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 up...Read More>>.

Posted: October 9th, 2026
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Systems Administrator

Company IconLever
Location IconCity of Westminster

The Systems Administrator is responsible for supporting, securing, and optimizing enterprise IT operations. This includes end-user system support, infrastructure maintenance, IT asset lifecycle management, and leadership of junior team members. Th...Read More>>.

Posted: October 9th, 2026
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SC Cleared Systems Administrator - Farnborough (On-site)

Company IconDXC Technology Company
Location IconFarnborough

DXC Technology is seeking an experienced System Administrator to join an on-site team in Farnborough. The role involves managing the Project Support Environment, providing user help desk support, and ensuring robust backup and patching processes t...Read More>>.

Posted: October 9th, 2026
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Systems Administrator - Inbound Ops (Shift-Based)

Company IconGXO Logistics, Inc
Location IconMilton Keynes

GXO Logistics, Inc is hiring a System Administrator in Milton Keynes (MK10 0AA) to join our Waitrose customer team. You will support inbound operations, maintain system performance, and assist drivers with clerical tasks.This full-time, per...Read More>>.

Posted: October 9th, 2026
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Systems Administrator – Inbound Operations

Company IconGXO Logistics, Inc.
Location IconMonkston

GXO Logistics is seeking a System Administrator to join our Milton Keynes team supporting the Waitrose customer. You will work in the systems department responsible for Inbound deliveries, handling daily clerical tasks and processing delivery note...Read More>>.

Posted: October 9th, 2026
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IBM i System Administrator – Hybrid, Growth & Training

Company IconSs&C Technologies Holdings
Location IconBasildon

SS&C Technologies is seeking an IBM i (iSeries/IBMi) System Administrator to join our hybrid London/Basildon team. You will administer and support large IBM i environments, perform OS upgrades, manage PTFs, and ensure system security and performan...Read More>>.

Posted: October 11th, 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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Identity IAM Systems Administrator | Hybrid, London

Company IconCrick
Location IconLondon

The Francis Crick Institute in London seeks a Systems Administrator – Identity Specialist to lead identity services, DSAR handling, and security improvements within the Infrastructure and Cloud Platforms team. The role combines technical leaders...Read More>>.

Posted: October 11th, 2026
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