Junior Linux System Administrator Jobs In Cardiff Page 5 by Location

Hybrid HPC Linux Platform Engineer for Trading Systems

Company IconClient Server
Location IconLondon

A global systematic trading firm is seeking an HPC Platform Engineer to develop and optimize workload scheduling solutions in HPC environments. You will work on both on-premise and cloud (AWS) platforms, collaborating with teams to enhance performanc...Read More>>.

Posted: June 6th, 2026
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Pensions Administration Systems Analyst

Company IconIsio
Location IconManchester

Join to apply for the Pensions Administration Systems Analyst role at Isio4 weeks ago Be among the first 25 applicantsJoin to apply for the Pensions Administration Systems Analyst ro...Read More>>.

Posted: June 6th, 2026
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Senior Embedded C++ Systems Engineer — OS & Linux

Company IconRoku
Location IconCambridge

A leading streaming technology company in Cambridge is seeking a Senior Software Engineer to join their Core OS team. This role involves designing and developing OS features in a multi-process environment, focusing on performance and reliability. Ide...Read More>>.

Posted: June 6th, 2026
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Senior Network Administrator - Remote/Hybrid (Azure, Linux)

Company IconBentley Whitaker Search and Selection
Location IconNewcastle upon Tyne

A recruitment firm specializing in technology roles is seeking a Senior Network Administrator. This role offers the opportunity to join a dynamic Infrastructure/DevOps team in a global company, focusing on Azure and networking. Compensation ranges fr...Read More>>.

Posted: June 6th, 2026
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IT Systems & HPC Support Intern (Linux/Automation)

Company IconCORE POWER
Location IconLondon

CORE POWER is looking for an IT Support Analyst to join their team in Greater London. The ideal candidate will support corporate IT services and high-performance computing infrastructure, providing first and second-line technical support. Responsibil...Read More>>.

Posted: June 6th, 2026
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System Engineer - Multi-Cloud / Linux / Helm

Company IconOpus Recruitment Solutions
Location IconReading

Have you got core experience in Linux and eager to get deeper into Cloud technologies?Looking to be part of something bigger?We've partnered a MedTech who're thriving through organic growth as they are taking on more Trusts. As they'...Read More>>.

Posted: June 6th, 2026
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Pension Systems Onboarding Specialist Pensions Administration · ·

Company IconIsio
Location Icon

Pensions Systems Onboarding SpecialistThe Systems Onboarding Specialist will play a key role in supporting the Onboarding of several new clients, contributing a new proposition within Isio. The role involves working with a number of di...Read More>>.

Posted: September 4th, 2026
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Performance Systems Engineer - Rust, Linux & I/O

Company Iconsource.dev
Location IconLondon

UK | Full-TimeThe Mission: Source.devOur founders spent over a decade at Google shaping the Android operating systems - building and shipping the software that now runs on billions of devices. They didn't just...Read More>>.

Posted: September 11th, 2026
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Senior Data Administrator – Finance Systems (Remote)

Company IconNorton Rose Fulbright LLP
Location IconNorth East

Norton Rose Fulbright LLP in London seeks a Senior Data Administrator to support the EMEA finance system (Aderant Sierra). You will monitor data, manage governance, and prepare data for finance operations and senior stakeholders.Key tasks i...Read More>>.

Posted: September 12th, 2026
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Linux Deployments Engineer for FPGA-Accelerated Systems

Company IconECM Selection (Holdings) Limited
Location IconCambridge

ECM Selection (Holdings) Limited in Cambridge seeks a tester/engineer to manage deployments and verify Linux-based systems. You will perform manual testing for performance and usability, while taking the lead on automating processes and deployment...Read More>>.

Posted: September 13th, 2026
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Systems and Process Administrator

Company IconRexel France
Location IconAston Clinton

Company Description At Rexel UK, we're looking for a motivated and detail-oriented System & Process Administrator to join our Aylesbury Distribution Centre team. If you enjoy problem-solving, working with data, supporting...Read More>>.

Posted: September 21st, 2026
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Systems and Process Administrator

Company IconREXEL
Location IconAylesbury

Experience Level (for career site): Experienced ProfessionalContract Type: PermanentJob Family: Supply Chain & WarehousingCompany DescriptionAt Rexel UK, we're looking for a motivated and detail-orie...Read More>>.

Posted: September 21st, 2026
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IT Systems Engineer: Cloud, Linux & Docker Specialist

Company IconSeverfield PLC
Location IconThirsk

Severfield PLC in Dalton, Thirsk, North Yorkshire, is seeking an IT Systems Administrator/Engineer to join our team. The role focuses on 3rd line support and project delivery across Windows and Linux servers, Entra ID/Azure, Docker, and network in...Read More>>.

Posted: September 24th, 2026
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WMS Systems & Data Administrator - PM Shift

Company IconRexel UK Ltd
Location IconAston Clinton

Rexel UK Ltd is seeking a System & Process Administrator for the Aylesbury Distribution Centre. The role is Monday to Friday, 14:00 - 22:30, focusing on WMS data accuracy and system issue resolution to support efficient warehouse operations....Read More>>.

Posted: September 25th, 2026
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Apprentice Systems & RA Administrator - NHS IT

Company IconMerseywestlancs
Location IconSt Helens

Mersey & West Lancashire Teaching Hospitals NHS Trust invites applications for an Apprentice Systems/RA Administrator based in Jubilee Court, St Helens. The 24-month fixed-term apprenticeship runs at 37.5 hours per week, with future progression to...Read More>>.

Posted: October 6th, 2026
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Contracts Administrator – Access Systems & Service Delivery

Company IconHarrold Jones Services - Part of Ventro
Location IconKing's Norton

Ventro Group, via its HJS division, is seeking a highly organised Contracts Administrator to join our access systems team. The role spans residential, commercial and public sector environments, coordinating engineers, clients, suppliers and intern...Read More>>.

Posted: October 6th, 2026
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Systems and Process Administrator

Company IconRexel UK Ltd
Location IconAston Clinton

Company Description At Rexel UK, we're looking for a motivated and detail-oriented Company Description At Rexel UK, we're looking for a motivated and detail-oriented System & Process Administrator to join our Ayle...Read More>>.

Posted: October 7th, 2026
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Project Administrator: Systems & Data (Flexible)

Company IconOasis Trust
Location IconManchester

Oasis Charitable Trust in Manchester is seeking an organised Administrator to set up systems, manage databases and uphold confidentiality across a new project supporting young people and families.You will work with the Project Coordinator a...Read More>>.

Posted: October 7th, 2026
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Senior Contractor - Pensions Administration Systems Developer

Company IconSammons Group
Location IconReading

Senior Contractor - Pensions Administration Systems Developer Multiple locations | Remote working | Excellent | Posted yesterday Job Title: Senior Contractor - Pensions Administration Systems Developer Cont...Read More>>.

Posted: October 9th, 2026
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Systems and Process Administrator

Company IconRexel View All Jobs
Location IconAylesbury

You'll play a key role in supporting the day-to-day administration of our Warehouse Management System (WMS), ensuring data accuracy, resolving system issues, and helping our warehouse operation run efficiently and effectively., Sup...Read More>>.

Posted: October 9th, 2026
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Data Administrator (Guidance & Education System)

Company IconUK Civil Service
Location IconLeigh

Job DescriptionThe Data Administrator will report directly to Sector Skills Network and Communities Lead and will be responsible for maintaining accurate organisation, contact, partner, and practitioner records in CRM and related opera...Read More>>.

Posted: October 9th, 2026
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Admin and Systems Assistant

Company IconFabric Godmother
Location IconBrighton and Hove

Join Fabric Godmother as our Admin and Systems AssistantWe’re looking for a highly organised, systems-minded Admin and Systems Assistant to join the Fabric Godmother team.This is a va...Read More>>.

Posted: October 7th, 2026
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Dealership Administrator

Company IconLookers Ltd
Location IconBelfast

About us: We are one of the top three automotive retailers in the UK, proudly representing 32 manufacturer brands, selling a huge range of new and used vehicles from over 150 dealerships across the UK and Ireland. We beli...Read More>>.

Posted: October 9th, 2026
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Administrator - Antrim

Company IconFirst Choice Selection Services Ltd
Location IconAntrim

We are currently seeking an experienced Personal Assistant / Administrator to join our team based in the Antrim Hospital Site. This is an excellent opportunity for a highly organised and proactive individual who is available to start immediatel...Read More>>.

Posted: September 15th, 2026
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Administrative Officer – IT & Data Systems

Company Icon5 Star Recruitment
Location IconBath

Bath & North East Somerset Council is seeking an administrative professional to provide comprehensive support across teams. The role involves handling IT tasks, data management, document formatting and ensuring smooth communications with staff, ma...Read More>>.

Posted: September 2nd, 2026
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Senior System & Network Administrator — Cloud, Security & Automation

Company IconFort Recruitment
Location Icon

Fort Recruitment is seeking a Senior System and Network Administrator for a leading marine energy company on Merseyside with a global footprint. You will own the IT infrastructure, networks, cloud environments, servers, monitoring systems and core...Read More>>.

Posted: October 2nd, 2026
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Senior System and Network Administrator

Company IconFort Recruitment
Location Icon

We are seeking a Senior System and Network Administrator for a leading marine energy company based on Merseyside but operating globally to its maritime clients. The company provides battery and hybrid energy solutions that are used across t...Read More>>.

Posted: October 2nd, 2026
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IT Systems & Azure Administrator | Flexible, SC-Cleared

Company IconCatorfaen
Location IconWales

Ascent Flight Training (Management) Ltd is seeking an ICT Administrator to join a dedicated team. You will provide technical support for the ATOMS Training Management System and Ascents Unified Communications, while aiding SaaS environments and th...Read More>>.

Posted: October 2nd, 2026
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Part-Time Administrative & Systems Coordinator

Company IconArts Council England
Location IconLondon

Arts Council England is seeking an experienced Administrator to support CAS with diary management, invoicing, and general administrative duties. The role offers flexible working and part-time hours across one day per week, or two half-days, with p...Read More>>.

Posted: October 2nd, 2026
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HR Systems & Recruitment Administrator - Part Time

Company IconConfidential
Location IconBirmingham

We have a fantastic opportunity for an experienced HR professional looking to take on an exciting new role within a well-respected organisation based in Birmingham. The ideal candidate will be passionate, motivated and have previous experie...Read More>>.

Posted: October 3rd, 2026
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Hybrid HR Administrator – Recruitment, Systems & Data

Company IconElevation Recruitment Group
Location IconDoncaster

Elevation HR in Doncaster is seeking an experienced HR Administrator/HR Assistant to join a busy HR function. You will support recruitment, onboarding, and continuous HR processes within a centralised HR team.The role covers employee lifecy...Read More>>.

Posted: October 3rd, 2026
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Data Administrator (Guidance & Education System)

Company IconConfidential
Location Icon

What You'll Be Doing Maintain accurate organisation, contact, partner, and practitioner records in CRM and related operational systems, ensuring all records are complete, correctly related, consistent, and up-to-date. Colla...Read More>>.

Posted: October 3rd, 2026
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Temporary Customer Service Administrator — Backlog & Systems

Company IconOffice Angels
Location IconKings Hill

Office Angels is recruiting a temporary Customer Service Administrator in Kings Hill for an initial 4-month assignment. The role involves processing a backlog of admin tasks, logging jobs and defects, updating customer data, and handling inquiries...Read More>>.

Posted: October 4th, 2026
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HR Systems & Recruitment Administrator - Part Time

Company IconKatie Bard & Angela Mortimer Plc
Location IconBirmingham

We have a fantastic opportunity for an experienced HR professional looking to take on an exciting new role within a well-respected organisation based in Birmingham.The ideal candidate will be passionate, motivated and have previous experien...Read More>>.

Posted: October 4th, 2026
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Temporary HR Administrator – Egham: Onboarding & HR Systems

Company IconHalmer Recruit
Location IconEgham

Halmer Recruit is seeking an experienced HR Administrator for a busy People team in Egham on an initial eight-week temporary assignment. This full-time, office-based role covers day-to-day HR administration, onboarding, and employee lifecycle supp...Read More>>.

Posted: October 4th, 2026
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Graduate HR Administrator: Onboarding & Systems

Company IconJames Frank Associates Ltd.
Location IconLondon

James Frank Associates Ltd. in London is seeking a Graduate HR Administrator to join their office on a full-time basis for an initial 2-year contract, with a Business Apprenticeship alongside full-time work.You will support onboarding, back...Read More>>.

Posted: October 5th, 2026
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System Support Worker (Administration)

Company IconTransformation Unit
Location IconPreston

Main area Helpdesk and Systems Administration Grade NHS AfC: Band 2 Contract Permanent Hours Full time - 37.5 hours per week (Working day 0800 - 1600) Job ref 435-1LSC-LTH31.26Employer East Lancashire Hospitals NHS Trust Employer type NHS S...Read More>>.

Posted: October 9th, 2026
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Healthcare Administration Supervisor — Patient Care & Systems

Company IconNewmedica
Location IconNottingham

Newmedica in Nottingham is seeking an Administration Supervisor to lead a busy admin team across reception, scheduling and patient records. This 18-month fixed contract includes 40 hours per week, five days, with one in four weekends on a rota....Read More>>.

Posted: October 9th, 2026
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IT Systems & Compliance Administrator (ISO 27001)

Company IconCode Wizards
Location IconReading

Code Wizards is seeking an organised, proactive IT Systems and Compliance Administrator to maintain our internal IT infrastructure and support information security and compliance activities.You’ll work across on‑premises and cloud envir...Read More>>.

Posted: October 9th, 2026
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HR Systems & Data Administrator (12-Month FTC) — Flexible Hours

Company IconHarmeny Education Trust Limited
Location IconCity of Edinburgh

Harmeny Education Trust Limited is seeking an HR Administrator on a 12-month fixed-term contract to support the HR team through a period of organisational transformation. The role focuses on implementing new HR and recruitment systems, data cleans...Read More>>.

Posted: October 9th, 2026
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Team Operations Administrator | Data & Systems Support

Company IconInspire North
Location IconScarborough

Inspire North in Scarborough is seeking an organised Team Administrator to keep systems, data, and day-to-day operations running smoothly. You will manage records, maintain databases, support finance processes, meetings, and internal communication...Read More>>.

Posted: October 9th, 2026
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Level 3 Business Administrator - Storm Interior Systems Ltd

Company IconGen2
Location IconCleator Moor

Storm Interior Systems Ltd based in Cleator Moor are looking to recruit a Level 3 Business Administrator Apprentice to join their team for an immediate start!RoleWorking within a busy office you will be working alongside the Admin...Read More>>.

Posted: October 9th, 2026
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