Junior Linux System Administrator Jobs In Watford Page 2277 by Location

Systems Administrator \ Support Engineer

Company IconProfile 29
Location IconSidmouth

Systems Administrator \ Support EngineerThis company delivers a wide range of technology solutions to organizations of all sizes that require a professional, reliable & friendly approach in helping them...Read More>>.

Posted: October 13th, 2026
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Senior IT Systems Administrator (Linux & HPC)

Company IconKBR
Location IconLeatherhead

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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Linux Systems Admin – Trading tech

Company IconQuant Capital
Location IconLondon

Overview In this role you will support mission-critical trading infrastructure for a leading fintech environment. You’ll join a fast-paced support team and collaborate with sales and engineering to troubleshoot, automate, and improve glob...Read More>>.

Posted: October 1st, 2026
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Linux SysAdmin and Systems Programmer

Company IconImperial College London
Location IconLondon

Overview In this Linux-focused role within the Computing Support Group, you will maintain and enhance reliable, secure computing services across a university department. You’ll work with cross-functional teams to ensure scalable, resilien...Read More>>.

Posted: October 11th, 2026
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Lead Systems Administrator Windows - Non-Profit

Company IconClient Server
Location IconLondon

Overview In this Lead Systems Administrator role you own the IT infrastructure for a charity, overseeing Microsoft 365, security, and devices across offices and warehouses. You will lead a small team while delivering technical solutions and...Read More>>.

Posted: October 16th, 2026
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Laboratory Software System Administrator

Company IconFugro GeoConsulting
Location IconWallingford

Overview In this role you ensure the laboratory and operational systems that manage geotechnical testing data, sample tracking, and workflows are secure, reliable, and fit for purpose. You collaborate with laboratory teams, engineers, and s...Read More>>.

Posted: October 16th, 2026
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Quality Systems Manager

Company IconVickerStock
Location Icon

Quality Systems ManagerCounty LouthVickerstock are working in partnership with a leading specialist engineering and manufacturing business on the appointment of a Quality Systems Manager...Read More>>.

Posted: October 1st, 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 - 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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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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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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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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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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Logistics Systems Administrator — Warehouse

Company IconDHL Supply Chain
Location IconCoventry

DHL Supply Chain in Coventry is recruiting for a System Administration role, supporting warehouse operations through administration activities, paperwork processing, IT/WMS system usage, and delivering a high-quality service whilst maintaining acc...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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System Administrator

Company IconRandstad Technologies Recruitment
Location IconLondon

Senior Administrator - COO Group Location: London (Hybrid: 3 days in-office - Tue, Wed, Thu) Contract: 3-Month Initial Contract (High probability of extension or perm conversion) Start Date: Immediate /...Read More>>.

Posted: October 11th, 2026
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Quality Systems Administrator - QMS & Compliance

Company IconCREATE Fertility
Location IconLondon

CREATE Fertility and IVI UK are seeking a Quality Administrator to manage the day-to-day operation of the Quality Management System (QMS), maintain documentation, and ensure regulatory compliance across the business.You will deputise for th...Read More>>.

Posted: October 11th, 2026
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Senior IT Systems Administrator | VMware & Windows Server

Company IconIF Recruitment Ltd
Location IconYeovilton

IF Recruitment Ltd is seeking an IT System Administrator to manage VMware vCenter/ESXi servers and Windows Server environments in a fast-paced setting. The role includes AD, DNS, DHCP management, certificate renewal, and supporting VDI, backups wi...Read More>>.

Posted: October 11th, 2026
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DV Cleared System Administrator/MPS Technician

Company IconIF Recruitment Ltd
Location IconYeovilton

Responsibilities: Manage multiple VMware vCenter & ESXi Servers Manage Windows Servers, AD, DNS, DHCP Basic maintenance of Switches and Firewalls Maintain GPS Time Server Install and maintain mult...Read More>>.

Posted: October 11th, 2026
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Senior IT Systems Administrator

Company IconTwinstream Limited
Location IconGloucester

Senior IT Systems Administrator / Bristol (3 days on-site) / £50,000 £60,000 DV Clearance Eligibility Required Take ownership. Solve complex challenges. Make IT better. TwinStream is looking for an experienced...Read More>>.

Posted: October 11th, 2026
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Data & Automation Systems Administrator

Company IconImperial Enterprise
Location IconLondon

Imperial College London is seeking an IT-administration professional to support the School of Medicine's digital systems and student data processes. The role involves data quality checks, maintaining student records, and enabling automated workflo...Read More>>.

Posted: October 11th, 2026
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Information and Systems Administrator

Company IconImperial Enterprise
Location IconLondon

Do you want to apply your technical skills and experience of information systems and technology? This is an opportunity to put your technical skills into practice, helping contribute to maintaining, improving and automating the digital systems and...Read More>>.

Posted: October 11th, 2026
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Web GIS & Data Systems Administrator (Hybrid)

Company IconNorth Norfolk District Council
Location IconCromer

North Norfolk District Council is seeking a GIS Administrator to join its Digital Transformation team. You will develop and maintain the Council’s public facing and internal GIS systems, ensuring up-to-date mapping and data across all services....Read More>>.

Posted: October 11th, 2026
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Finance Systems Administrator

Company IconOcean Infinity
Location IconSouthampton

DescriptionAt Ocean Infinity, we're using technology to transform operations at sea, making them safer, more efficient, and more sustainable.We're a team of innovators, problem-solvers, and challengers who believe there is always a b...Read More>>.

Posted: October 12th, 2026
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Finance Systems Administrator - NetSuite & Transformation

Company IconOcean Infinity
Location IconSouthampton

Ocean Infinity is seeking a Finance Systems Administrator to support, maintain, and enhance our core finance and procurement systems. This role will be responsible for day-to-day administration of key platforms including NetSuite, NSPB, Salesforce...Read More>>.

Posted: October 12th, 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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Systems Administrator - Identity Specialist

Company IconThe Francis Crick Institute
Location IconLondon

Working pattern This is a fulltime, permanent position on Crick terms and conditions of employment. This is a hybrid role with a minimum of 4 days in the office reduced to 3 after 6 months. Salary: Circa £56,115 with benefi...Read More>>.

Posted: October 12th, 2026
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Systems Administrator

Company IconADP, Inc.
Location IconMargate

Salary Range: £35,000.00 To £40,000.00 AnnuallyJob DescriptionACT EntertainmentDEPARTMENT: Systems STATUS: Full-TimeREPORTS TO: Chief Information Officer LOCATION: Margate, UK (hybrid)SCHEDULE: Mon-Fri...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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IT Systems Administrator

Company IconSanderson
Location IconOswestry

Location: Hybrid working (office based in Oswestry) – typically 2 days in the office per weekSupport Technology That Keeps Practice Plan RunningPractice Plan, part of the Wesleyan Group, helps dental practices across the U...Read More>>.

Posted: October 13th, 2026
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System Administrator (Control Room)

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

Impresoft 4ward, società di Impresoft Group, da oltre 30 anni abilita le aziende nell’utilizzo delle tecnologie IT più strategiche non soltanto per indirizzare il cambiamento, ma per abbracciarlo. Ogni giorno aiutiamo i nostri clienti a...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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IT Systems Administrator

Company IconPractice Plan Limited
Location IconOswestry

Location: Hybrid working (office based in Oswestry) – typically 2 days in the office per weekSupport Technology That Keeps Practice Plan RunningPractice Plan, part of the Wesleyan Group, helps dental practices across the U...Read More>>.

Posted: October 15th, 2026
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Linux SysAdmin and Systems Programmer

Company IconImperial Enterprise
Location IconLondon

The role will be based within the Department of Computing’s Computing Support Group (CSG), contributing to the delivery and maintenance of reliable, secure and effective computing services across the Department. Working within a highly collabora...Read More>>.

Posted: October 15th, 2026
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Systems Administrator

Company IconGroupe Adéquat UK (GA UK)
Location IconNorwich

An exciting opportunity has arisen to join a leading science and innovation campus as an HSEQ Systems Administrator. Supporting a world-class research environment, this role sits within a central Health, Safety, Environment & Quality team responsi...Read More>>.

Posted: October 15th, 2026
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System Administrator

Company IconWavenet
Location Icon

Wavenet is a managed services provider offering cybersecurity, communications, and connectivity that grows with our customers' businesses - no matter what the future holds. Since 2000, we've been keeping businesses connected. At Wave...Read More>>.

Posted: October 15th, 2026
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Lead Systems Administrator Windows - Non-Profit

Company IconClient Server Limited
Location IconLondon

London, Greater London | £40k - £50k per year Lead Systems Administrator (Windows O365 Security) London /WFH to £50k Are you a hands-on IT professional with strong Microsoft 365 and infrastructure experience, looking to c...Read More>>.

Posted: October 15th, 2026
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Lead Systems Administrator — Digital Pathology & AI Infrastructure

Company IconLeeds Teaching Hospitals
Location IconLeeds

Leeds Teaching Hospitals NHS Trust is seeking a Band 6 Senior Systems Administrator to lead the management and development of critical IT systems in NPIC, supporting digital pathology and AI initiatives across the NHS network.You will colla...Read More>>.

Posted: October 16th, 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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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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