Junior Linux System Administrator Jobs In Cardiff Page 5 by Location

System Administrator - Linux & Kubernetes

Company IconAreti Group | B Corp™
Location Icon

OverviewBristol HQ (Hybrid Working – 2 days on-site, 3 days remote).We’re seeking a talented System Administrator with strong skills in Kubernetes, Helm, and Linux to join a growing technology team. T...Read More>>.

Posted: June 6th, 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: September 17th, 2026
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Linux & Infrastructure Systems Administrator - Hybrid Cloud

Company IconAspect Capital
Location IconLondon

Aspect Capital, a London-based award-winning systematic hedge fund, is seeking a Systems Administrator to join our Infrastructure team. The role focuses on supporting production infrastructure across Linux and mixed platforms, with 2–5 years of...Read More>>.

Posted: September 20th, 2026
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Server Systems Administrator: Scale Linux & Windows Infra

Company IconWessex Internet
Location Icon

Wessex Internet is seeking an experienced Server Systems Administrator to join our Technology Team and own the day-to-day management of our server estate. You will administer both Linux and Windows servers, including Proxmox, and drive automation,...Read More>>.

Posted: October 11th, 2026
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Hybrid Systems Administrator - Windows/Linux, Automation

Company IconSymmetric Recruitment Ltd
Location Icon

Symmetric Recruitment Ltd in Lincoln is seeking a hands-on Systems Administrator to join a hybrid full-time team. You will be the first point of contact for technical issues, collaborating with senior engineers on incident resolution, migrations,...Read More>>.

Posted: October 11th, 2026
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System Administrator

Company IconPaysend Group
Location IconLondon

About The Role: The System Administrator is responsible for installing, configuring, and maintaining the company’s IT infrastructure, including servers, networks, and security systems. This role ensures the stability, efficiency, and...Read More>>.

Posted: October 12th, 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 13th, 2026
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Systems Administrator – SC/DV Clearance for Spacecraft Ops

Company IconAirbus
Location IconCorsham

Airbus Defence and Space Limited in the UK seeks a System Administrator to support the Spacecraft Control Centre (SCOF) across Wiltshire. You will install, configure and maintain SCC computer systems, lead deployment plans, and develop robust test...Read More>>.

Posted: October 13th, 2026
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Hybrid IT Systems Administrator - Growth & Security

Company IconActica Consulting Limited
Location IconGuildford

Actica Consulting Limited is seeking a Systems Administrator to join the IT Team in Guildford. You will maintain and support information systems, provide 1st/2nd line IT support, and collaborate with suppliers while growing into advanced responsib...Read More>>.

Posted: October 13th, 2026
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Global Systems Administrator

Company IconIKO North America
Location IconChester

IKO Industries Ltd. is a market leader in the manufacturing of roofing and building materials. IKO is a Canadian owned and operated business with production facilities worldwide and has many years of unparalleled success in the roofing material...Read More>>.

Posted: October 13th, 2026
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Hybrid Systems Administrator - Cloud, M365 & Security

Company IconOcho People
Location IconNorthern Ireland

Ocho People represents a fast-growing technology-focused client in Belfast seeking a Systems Administrator to own a modern, cloud-first IT environment and support a globally scaling business. The role is hands-on with responsibility for security,...Read More>>.

Posted: October 13th, 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 13th, 2026
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System Administrator 2- UK

Company IconM.C. Dean
Location IconLondon

OverviewAbout M.C. DeanM.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,...Read More>>.

Posted: October 13th, 2026
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Senior Systems Administrator – Cloud, Identity & Endpoints

Company IconAbtrace Ltd.
Location IconLondon

Abtrace Ltd. is seeking a Systems Administrator to own our internal infrastructure, identity and endpoint estate in a hands-on role within a small team. You will manage AWS, Microsoft 365, Entra ID and device management across Windows and macOS, e...Read More>>.

Posted: October 13th, 2026
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Systems Administrator

Company IconAbtrace Ltd.
Location IconLondon

Abtrace is tackling one of the hardest problems in healthcare: helping primary care deliver proactive, preventative care at scale. Based in Paddington, London, our team of doctors, researchers, engineers and data scientists builds clinic...Read More>>.

Posted: October 13th, 2026
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HPC System Administrator

Company IconLenovo
Location IconFarnborough

* United Kingdom - Hampshire - Farnborough Why Work at Lenovo We are Lenovo. We do what we say. We own what we do. We WOW our customers. Lenovo is a US$83 billion revenue global technology powerhouse, ranked #153 in the F...Read More>>.

Posted: October 13th, 2026
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IT Senior Systems Administrator - Middlesbrough

Company IconAltrad UK, Ireland & Nordics
Location Icon

Altrad are currently looking for an IT Senior Systems Administrator to join the team based in Middlesbrough.The successful candidate will control, maintain and administer all company systems to a high level of accuracy, ensure company pr...Read More>>.

Posted: October 13th, 2026
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Ticketing Systems Administrator — NFC Wallets & Matchday

Company IconBrighton & Hove Albion Foundation
Location Icon

Brighton & Hove Albion FC is seeking a Ticketing Systems Administrator to own home ticketing matchday setups, manage parking sales and away ticket distribution, and oversee the Amex access control system with NFC wallets.You will be on the...Read More>>.

Posted: October 13th, 2026
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System Administrator

Company IconActica Consulting
Location IconGuildford

As a Systems Administrator, you will be part of the Actica IT Team, supporting and developing our technology environment. This role offers a balance of hands‑on responsibility and ongoing learning, making it suitable for graduates as well as...Read More>>.

Posted: October 13th, 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 13th, 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 13th, 2026
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D365 Systems Administrator: Finance & Integrations Lead

Company IconFormula 1
Location IconCity of Westminster

Formula 1 is seeking a D365 Systems Administrator to join our IT department. You will maintain and optimise the D365 Finance & Operations environment and integrated systems in line with F1 business goals. You will configure and support D365, build...Read More>>.

Posted: October 13th, 2026
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PLM System Administrator

Company IconGraphcore
Location Icon

About the jobMake the systems behind Graphcore’s product information work better, stay controlled, and remain trusted.You’ll administer and improve our PLM (Product Lifecycle Management) system, with responsibility for document...Read More>>.

Posted: October 13th, 2026
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Aspiring Systems Administrator – Microsoft 365 & Security

Company IconActica Consulting Ltd.
Location IconGuildford

Jobtailor in the United Kingdom seeks an aspiring Systems Administrator to maintain and support company information systems, providing 1st and 2nd line IT support, and coordinating with suppliers. You will monitor performance, security, and securi...Read More>>.

Posted: October 13th, 2026
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Staff Systems Administrator (R5995)

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-BATaircraft, and Aechelon simulation and synt...Read More>>.

Posted: October 13th, 2026
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Systems Administrator

Company IconSymmetric Recruitment Ltd
Location IconLincoln

Systems AdministratorLincoln | Hybrid | Full-timeA well-established name in UK technology is looking for a Systems Administrator to join its team in Lincoln. This is a hands-on infrastructure role inside a business that takes it...Read More>>.

Posted: October 13th, 2026
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Systems Administrator

Company IconFormula 1
Location IconBiggin Hill

Are you ready to make your mark in the world of Formula 1? At Formula 1, we are passionate about delivering the world’s greatest sports and entertainment spectacle leaving a positive legacy wherever we race. Innovation has alway...Read More>>.

Posted: October 13th, 2026
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Systems Administrator

Company IconSafer Hand Solutions
Location IconStone

Systems Administrator| Stone Permanent | £26,000 | Fully OnsiteSafer Hand Solutions are delighted to be partnering with a genuinely lovely, forward-thinking organisation in Stone that is looking to recruit a Systems Administrator to joi...Read More>>.

Posted: October 13th, 2026
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Systems Administrator

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 workin...Read More>>.

Posted: October 13th, 2026
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System Administrator

Company IconAirbox Systems
Location IconWantage

Get AI-powered advice on this job and more exclusive features. This range is provided by Airbox Systems. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Leading the recruitm...Read More>>.

Posted: October 13th, 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 13th, 2026
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Senior Systems Administrator - Enterprise IT & Security

Company IconTelemetry Today LLC
Location IconLondon

Shield AI is seeking a highly autonomous Staff Systems Administrator to serve as the accountable technical owner for enterprise IT infrastructure and end-user computing within a dedicated, security-sensitive entity environment.This senior i...Read More>>.

Posted: October 13th, 2026
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Senior Systems Administrator – AWS & Identity (Hybrid)

Company IconAbtrace
Location IconLondon

Abtrace is seeking a Systems Administrator to own internal infrastructure, identity and endpoint estate. You will manage AWS, Microsoft 365, Intune and hybrid work practices in a small team, handling support tickets and security/compliance in a NH...Read More>>.

Posted: October 13th, 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 13th, 2026
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Systems Administrator

Company IconHuge
Location Icon

Location: This role would be hybrid as needed within the United States. The role. We are hiring an experienced Systems Administrator to join our globally distributed Systems Administration team as its US-based member. You will re...Read More>>.

Posted: October 13th, 2026
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System Administrator

Company IconTata Consultancy Services
Location IconLondon

If you need support in completing the application or if you require a different format of this document, please get in touch with UKI.recruitment@tcs.com or call TCS London Office 02031552100 / +44 204 520 2575 with the subject line: "Applicati...Read More>>.

Posted: October 13th, 2026
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Systems Administrator M365 Intune Euston NW1 £50k

Company IconLangley James HR & IT Recruitment
Location IconLondon

Systems Administrator M365 Intune Euston NW1, Hybrid upto £50k. Seeking a talented Systems Administrator with strong M365 and Intune experience to join a great creative tech firm near Euston Station. Are you a skilled Systems Adm...Read More>>.

Posted: October 13th, 2026
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Systems Administrator

Company IconAbtrace
Location IconLondon

Abtrace is tackling one of the hardest problems in healthcare: helping primary care deliver proactive, preventative care at scale. Based in Paddington, London, our team of doctors, researchers, engineers and data scientists builds clinic...Read More>>.

Posted: October 13th, 2026
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PLM Systems Administrator

Company IconMotorsport Network, LLC
Location IconWoking

Working across the Technical Design and Operational functions, this role works towards ensuring that McLaren Racing is at the forefront of the design and engineering processes.Our ultimate goal is to ensure that the maximum amount o...Read More>>.

Posted: October 13th, 2026
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System Administrator II — Security & Access Control

Company IconM.C. Dean, Inc.
Location IconLondon

M.C. Dean in the United Kingdom is seeking a System Administrator 2 to join the Security and Electronic Systems (SES) unit. You will configure and maintain Physical Access Control, CCTV, PSIM, and other electronic security systems for client sites...Read More>>.

Posted: October 13th, 2026
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Senior Wintel Systems Administrator – Onsite (UK)

Company IconDXC Technology Company
Location Icon

DXC Technology is seeking an on-site IT support role at a client location in the United Kingdom. The position emphasizes incident and problem management, system monitoring, and maintaining detailed documentation.Candidates should follow ITI...Read More>>.

Posted: October 13th, 2026
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Senior Enterprise Systems Administrator

Company IconShield
Location IconLondon

Shield AI is seeking a highly autonomous Staff Systems Administrator to own enterprise IT infrastructure and end-user computing in a security-sensitive environment. You will design, operate, secure, and improve on-prem and cloud infrastructure, id...Read More>>.

Posted: October 13th, 2026
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IT/OT System Administrator

Company IconFlint Hills Resources
Location IconGoole

Guardian Glass is one of the world's largest manufacturers of float, coated and fabricated glass products. Our Goole plant plays an important role in serving customers across the UK and Ireland through safe, reliable and efficient manufacturing...Read More>>.

Posted: October 13th, 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 13th, 2026
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Laboratory Systems Administrator – Geotech Data & Workflows

Company IconFugro
Location IconWallingford

Fugro Wallingford seeks a Laboratory Software System Administrator to maintain geotechnical testing data, sample tracking and reporting workflows across the laboratory environment. You will help optimise operations and support project delivery for...Read More>>.

Posted: October 14th, 2026
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Systems Administrator - Social Care IT (Hybrid, 6m)

Company IconTriumph Consultants Ltd
Location IconDoncaster

Triumph Consultants Ltd. is seeking a Systems Administrator to manage the Integrated People Solution across adults and children's case management, education management, financials, and integrations.The role supports Doncaster Council, Donca...Read More>>.

Posted: October 14th, 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 15th, 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 15th, 2026
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