349 Systems Administrator jobs in the United Kingdom

Linux Systems Administrator

Franklin Fitch

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Senior Systems Administrator | Linux , RedHat , Ansible and VMWARE UK | Remote | Full-Time Must be within 90mins of Slough We’re looking for a highly experienced Senior Systems Administrator to take the lead on managing and optimising our IT infrastructure — with a strong focus on Linux automation, and enterprise-grade system performance. What You’ll Be Doing Administer and monitor enterprise systems, ensuring high availability in a Linux environment. Lead and manage a VMware virtualised environment : upgrades, provisioning, and performance tuning Automate infrastructure using tools like Ansible , PowerShell, or Bash Implement robust backup and disaster recovery strategies Enforce security measures, conduct audits, and ensure compliance Troubleshoot complex system issues and support continuous improvement Document system configurations and generate performance reports What You’ll Bring 6 years in systems administration or infrastructure engineering VMware experience (upgrade, provisioning, tuning) Strong skills in Ansible and other automation/scripting tools Solid Linux/Windows OS knowledge Experience with Red Hat Satellite and patching infrastructure Excellent problem-solving and communication skills Relevant certifications (VCP, MCSA, RHCE, etc.) are a plus What We’re Looking For Proactive mindset with strong ownership and accountability Adaptable, collaborative, and eager to learn Confident decision-maker who thrives under pressure Strong ethical conduct and a team-first attitude Why Join? You’ll have the chance to work in a high-impact role where your technical expertise directly supports innovation, resilience, and growth. This is an opportunity to shape and secure the backbone of a modern IT environment.
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Linux Systems Administrator

Franklin Fitch

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Senior Systems Administrator | Linux , RedHat , Ansible and VMWARE

UK | Remote | Full-Time

Must be within 90mins of Slough


We’re looking for a highly experienced Senior Systems Administrator to take the lead on managing and optimising our IT infrastructure — with a strong focus on Linux automation, and enterprise-grade system performance.


What You’ll Be Doing

  • Administer and monitor enterprise systems, ensuring high availability in a Linux environment.
  • Lead and manage a VMware virtualised environment : upgrades, provisioning, and performance tuning
  • Automate infrastructure using tools like Ansible , PowerShell, or Bash
  • Implement robust backup and disaster recovery strategies
  • Enforce security measures, conduct audits, and ensure compliance
  • Troubleshoot complex system issues and support continuous improvement
  • Document system configurations and generate performance reports



What You’ll Bring

  • 6+ years in systems administration or infrastructure engineering
  • VMware experience (upgrade, provisioning, tuning)
  • Strong skills in Ansible and other automation/scripting tools
  • Solid Linux/Windows OS knowledge
  • Experience with Red Hat Satellite and patching infrastructure
  • Excellent problem-solving and communication skills
  • Relevant certifications (VCP, MCSA, RHCE, etc.) are a plus


What We’re Looking For

  • Proactive mindset with strong ownership and accountability
  • Adaptable, collaborative, and eager to learn
  • Confident decision-maker who thrives under pressure
  • Strong ethical conduct and a team-first attitude


Why Join?


You’ll have the chance to work in a high-impact role where your technical expertise directly supports innovation, resilience, and growth. This is an opportunity to shape and secure the backbone of a modern IT environment.

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Senior Systems Administrator - Linux

ST1 1AA Staffordshire, West Midlands £40000 Annually WhatJobs

Posted 15 days ago

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full-time
Our client is seeking a skilled and experienced Senior Systems Administrator with a strong focus on Linux environments. This hybrid role, based in **Stoke-on-Trent, Staffordshire**, requires a candidate adept at managing, maintaining, and optimizing complex server infrastructure. You will be responsible for ensuring the stability, security, and performance of our Linux-based systems, implementing upgrades, and troubleshooting any issues that arise. The ideal candidate will have a deep understanding of Linux operating systems, network protocols, virtualization technologies, and scripting. You will collaborate with IT teams to support business operations and contribute to the development of robust IT solutions. This is an excellent opportunity for a motivated professional to advance their career in a supportive and dynamic IT department.

Responsibilities:
  • Install, configure, and maintain Linux servers (e.g., CentOS, Ubuntu, Red Hat).
  • Monitor system performance and availability, ensuring high uptime.
  • Implement and manage security measures, including firewalls, intrusion detection, and access control.
  • Perform regular system backups and disaster recovery planning.
  • Troubleshoot and resolve hardware, software, and network issues.
  • Manage user accounts, permissions, and access rights.
  • Automate routine administrative tasks through scripting (e.g., Bash, Python).
  • Support virtualization technologies (e.g., VMware, KVM).
  • Plan and execute system upgrades and patch management.
  • Collaborate with development teams on application deployments and infrastructure needs.
  • Document system configurations, processes, and procedures.
  • Participate in on-call rotation for critical system support.

Qualifications:
  • Proven experience as a Systems Administrator with a strong Linux background.
  • In-depth knowledge of Linux operating systems and command-line interface.
  • Experience with network services (DNS, DHCP, Apache, Nginx).
  • Familiarity with scripting languages (Bash, Python, Perl).
  • Experience with virtualization platforms.
  • Understanding of security best practices and protocols.
  • Excellent problem-solving and troubleshooting skills.
  • Strong communication and teamwork abilities.
  • Relevant Linux certifications (e.g., RHCSA, LPIC) are a plus.
  • Bachelor's degree in Computer Science, IT, or a related field, or equivalent experience.
This role requires a blend of remote work and office-based presence in **Stoke-on-Trent, Staffordshire**, offering a structured hybrid working model.
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Systems Administrator

North Northamptonshire, East Midlands Logistex

Posted 1 day ago

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permanent

Are you a Linux-savvy problem solver who thrives in a fast-paced IT environment?
Do you enjoy managing servers, securing systems, and supporting technical teams?
If YES, you could be the Systems Administrator  we’re looking for!

Why join us?

  • Competitive salary
  • li>Hybrid working flexibility
  • Career development opportunities
  • Member of an Employee-owned trust
  • Training and development support
  • Work with cutting-edge infrastructure and automation tools

What will you be doing?

  • Manage Linux and Windows VMs (OVS/KVM), backups, and disaster recovery
  • Use Oracle Database management System
  • Apply OS and security patches across customer estates
  • Monitor system performance and respond to alerts
  • Support software engineering teams and troubleshoot server issues
  • Use tools like Nagios, Jira, Confluence, and Bitbucket
  • Collaborate with Hotline, MIS, and Information Security teams

What do we need from you?

  • Bachelor’s degree in Computer Science or related field
  • < i>Extensive experience in Linux system administration and networking
  • Strong knowledge of VM hosts, server hardware, and software inventory
  • Familiarity with backup/DR, performance testing, and server hardening

Ready to be the backbone of our IT infrastructure and support systems?
Apply now to join Logistex as a Systems Administrator  and make a real impact!

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Systems Administrator

NN14 Desborough, East Midlands Logistex

Posted 1 day ago

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Job Description

full time

Are you a Linux-savvy problem solver who thrives in a fast-paced IT environment?
Do you enjoy managing servers, securing systems, and supporting technical teams?
If YES, you could be the Systems Administrator  we’re looking for!

Why join us?

  • Competitive salary
  • li>Hybrid working flexibility
  • Career development opportunities
  • Member of an Employee-owned trust
  • Training and development support
  • Work with cutting-edge infrastructure and automation tools

What will you be doing?

  • Manage Linux and Windows VMs (OVS/KVM), backups, and disaster recovery
  • Use Oracle Database management System
  • Apply OS and security patches across customer estates
  • Monitor system performance and respond to alerts
  • Support software engineering teams and troubleshoot server issues
  • Use tools like Nagios, Jira, Confluence, and Bitbucket
  • Collaborate with Hotline, MIS, and Information Security teams

What do we need from you?

  • Bachelor’s degree in Computer Science or related field
  • < i>Extensive experience in Linux system administration and networking
  • Strong knowledge of VM hosts, server hardware, and software inventory
  • Familiarity with backup/DR, performance testing, and server hardening

Ready to be the backbone of our IT infrastructure and support systems?
Apply now to join Logistex as a Systems Administrator  and make a real impact!

This advertiser has chosen not to accept applicants from your region.

Systems Administrator

London, London Derbyshire Fire & Rescue

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Systems Administrator (HR)nLocation:

Headquarters, Ripley, DerbyshirenSalary:

Grade F Salary £37,280 - £41,771 per annumnVacancy Type:

Temporary until approximately February 2027 to cover maternity leavenHours:

37 hours per week, however you may occasionally need to work beyond normal office hours. Agile working arrangements can be discussed with the successful candidatenClosing Date:

05 October 2025 (midnight)nInterviews:

14 October 2025nAbout UsnAt Derbyshire Fire & Rescue Service, were more than an emergency servicewere a team of over 900 dedicated people working together to make Derbyshire safer every day. Whether its responding to emergencies, preventing incidents before they happen, or supporting our frontline teams behind the scenes, every role here makes a real difference.nWere proud to be one of the countrys top-performing fire and rescue services, recently rated

Good in 9 out of 11 areas

by His Majestys Inspectorate of Constabulary and Fire & Rescue Services (HMICFRS). This recognition reflects the professionalism, progress, and dedication of our people. We continue to strive to be an outstanding Service, and we know we have more to do.nAbout the RolenAre you a detail-oriented systems expert with a passion for improving HR service delivery? Were looking for a

Systems Administrator (HR)

to join our team.nYoull be responsible for administering, developing, and maintaining the HR database and associated systems, ensuring data accuracy, security, and compliance with Data Protection legislation. Your work will directly support strategic decision-making and operational efficiency across the Service.nKey Responsibilities:nConfigure, test, and maintain HR systems, including user setup, documentation, and training plans.nManage system updates and improvements, ensuring accurate records and effective governance.nMaintain system security and access controls, including self-service functionality.nValidate data quality across workflows, reports, and interfaces.nProduce and present reports to support workforce planning and management decisions.nTroubleshoot system issues and liaise with providers to ensure minimal disruption.nDeliver training and create user guides to support system users.nSupport departmental processes including pay awards, contractual changes, and leave calculations.nDrive continuous improvement through system functionality development and automation.nProvide statistical analysis and reporting to support organisational planning and performance.nAct as a subject matter expert on HR systems, offering guidance and impact analysis.nRequired Qualifications and ExperiencenWere looking for someone with:nKnowledge of management information systems and data structures (HR related).nExperience in system administration, user management, and configuration.nProven ability to test systems and databases effectively.nSkills in creating training materials and delivering system-related training.nAdvanced Microsoft Excel skills and experience in data analysis and reporting.nA problem-solving mindset with a focus on continuous improvement.nGCSEs in Maths and English (Grade A-C / Level 4+) or equivalent.nBTEC/NVQ Level 3 in Business and Administration or equivalent experience.nWhat We Offer in ReturnnWe believe in rewarding our people with more than just a salary. Heres what you can expect when you join us:nFlexible working hours.nAgile working (60% office based).nFamily friendly policies.nAnnual Leave entitlement of 27 days, increasing to 32 days after 5 years service.nFree, secure on-site car parking.nHealth & wellbeing services, including free access to gyms at Derbyshire Fire & Rescue Service locations.nEmployee discount scheme (Boost) and eligibility to apply for Blue Light Card.nEmployee support networks.nEnhanced Maternity Pay (subject to meeting eligibility criteria).nOccupational Sick Pay subject to length of service, increasing up to 6 months full & 6 months half after 5 years service.nOngoing training and development opportunities.nEligibility to join the Local Government Pension Scheme / Firefighters Pension Scheme with generous employer contributions.nEligibility to join Additional Voluntary Contributions (AVC) offering highly beneficial tax advantages.nTo ApplynIf you feel you are a suitable candidate and would like to work for Derbyshire Fire and Rescue Service, please click apply to be redirected to their website to complete your application.nWe are a Disability Confident employer committed to equality and fairness at work. Applications are encouraged from all diverse communities. Under the Disability Confident scheme, we will offer an interview to a fair and proportionate number of applicants with a disability that meet the essential criteria for the role.nDerbyshire Fire and Rescue Services recruitment and selection procedures reflect our commitment to safeguarding and promoting the welfare of Adults, Children and Young People. All staff are expected to share this commitment.nPlease note that, due to the nature of security checks undertaken, applicants must have 3 years continuous residency in the UK up to the date of the application and Home Office approval for indefinite leave to remain within the UK.

TPBN1_UKTJn
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Finance Systems Administrator

Highbury, London £24 - £30 Hourly Service Care Legal

Posted 3 days ago

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contract
Finance Systems Administrator
Location: London
Contract: Temporary (3-months initial)
Rate: 30.00 per hour umbrella // 26.94 per hour PAYE inclusive // 24.04 per hour PAYE exclusive
Start Date: ASAP
Working Arrangements: Hybrid
Contact: (url removed)

Job Description
Service Care Solutions are recruiting for a Finance Systems Administrator on behalf of a Local Authority in London to join the team on a temporary basis. The postholder will play a key part in managing and improving core finance systems, ensuring processes are robust, secure, and efficient.

The main systems administered include e5 Financials (finance ledgers) and Civica WebPay2 (income management). The team is also working towards implementing a new finance system, OneCouncil by TechnologyOne, offering the opportunity to contribute to a major system change project.

Key Responsibilities
  • Ensure finance systems are secure, well-governed, and support accounting standards.
  • Maintain robust and efficient finance system processes.
  • Contribute to finance system projects and the development of new processes.
  • Complete business-as-usual tasks (BAU), including reconciliations and issue resolution.
  • Support system users through training activities and helpdesk support.
  • Collaborate with Finance teams and wider Council departments on system developments.
  • Troubleshoot system issues within service desk KPIs.
  • Contribute to business intelligence development and data administration.
  • Assist in preparing for and supporting the implementation of the new finance system (TechnologyOne).
  • Ensure compliance with Council policies, GDPR, Health & Safety, and other regulatory requirements.
Candidate Criteria
  • Part-qualified CCAB/CIMA as a minimum
  • Experience of working in a technical/systems based finance role supporting development and usage of financial systems
  • Experience of providing accurate data and reporting for decision making
  • Experience of working in a Local Authority finance environment is preferred
  • Great communication skills with the ability to work well on own initiative as well as part of a team
If you are interested in the role, or know of anyone who may be, please contact Greg at Service Care Solutions on (phone number removed) or email (url removed)
Service Care Solutions also offers a 250 referral bonus! So, if you know of anyone who would be perfect for this position and they are placed into work, you will receive 250 for the referral once their probationary period has been completed.
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IT Systems Administrator

London, London £30000 - £55000 Annually Datatech

Posted 7 days ago

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permanent
IT Systems Administrator
Based in the City of London | On-site, Monday to Friday
Salary: 30,000 - 55,000 Dependent on Experience
Ref: J13007

* Please note sponsorship is not available now or in the future.

A dynamic, data-driven organisation and global leader in sports trading is on the lookout for a proactive and hands-on IT Systems Administrator to help support and evolve their mission-critical infrastructure.
As part of a small, highly collaborative IT team, you'll play a hands on role in ensuring system reliability, security, and performance across a complex environment. You'll be involved in a wide range of responsibilities, including:

Maintaining the infrastructure including the farm of on-site and off-site servers
Monitoring and maintaining the in-house software applications
Managing the Microsoft Windows universe
Administering Active Directory and Group Policy
Managing storage systems, including NAS and iSCSI

Technical Experience:
Experience of system administration in a Microsoft Active Directory environment
Juniper Networking experience
Working knowledge of SQL, scripting languages (e.g. Powershell), HTML and web technologies
Exposure to Hyper-V virtualisation
Solid hardware experience, e.g. with building custom machines
Some programming experience is desirable

This is a genuinely exciting opportunity to join a company where technology is at the heart of everything they do. If you're looking for a role where you can be truly hands-on, with no red tape, no unnecessary silos, and the chance to get involved across the board, then this could be your perfect next move.

Get in touch today to find out more!

Alternatively, you can refer a friend or colleague by taking part in our fantastic referral schemes! If you have a friend or colleague who would be interested in this role, please refer them to us. For each relevant candidate that you introduce to us (there is no limit) and we place, you will be entitled to our general gift/voucher scheme.
Datatech is one of the UK's leading recruitment agencies in the field of analytics and host of the critically acclaimed event, Women in Data. For more information, visit our website: (url removed)


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IT Systems Administrator

Hitchin, Eastern £32000 - £34000 Annually Smart10Ltd

Posted 7 days ago

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permanent

Job Title: IT Systems Administrator

Salary: £32,000 – £34,000

Location: Hitchin

Hours: Monday to Friday 9.00 – 5.00 pm plus requirement on a rotational basis to work an early shift from 6am – 2pm and provide evening out of hours up to 11pm- latter attracts additional compensation.

Are you an experienced IT all-rounder looking to take the next step in your career?
My client is seeking a proactive and hands-on IT Systems Administrator to join their dynamic team, supporting a wide range of client environments. This is your chance to contribute to a growing tech business, take ownership of diverse IT challenges, and accelerate your professional development.

Why Join my client?

  •  Career Growth: Take the lead on infrastructure support and technical projects, with continuous investment in your personal and professional development.
  • Varied Role: You'll be involved in everything from day-to-day support to long-term system improvements and cloud technology deployments.

Key Responsibilities:

  • Administer, monitor and support hardware, software and cloud-based systems
  • Manage Active Directory, Azure, Office 365, and related services
  • Provide remote and on-site IT support to clients, with clear communication
  • Perform proactive system maintenance, backups, and recovery operations
  • Collaborate on technical projects and contribute to service improvements
  • Troubleshoot and resolve issues via ticketing systems

About You:

  • A wealth of experience in IT infrastructure support
  • Confident working with Windows OS, Azure/365, Exchange, AD, SQL, IP networking
  • Skilled in scripting (PowerShell), ticketing systems, and RMM tools
  • Strong communicator, customer-focused, and solutions-driven
  • Full UK driving licence and access to a car for site visits

What’s in It for You?

  • Flexible hybrid working after completion of probation
  • Career progression & funded training opportunities
  • 20 days holiday + bank holidays (increasing with service)
  • Private medical insurance & death in service (post-probation)
  • Free on-site parking

Thank you for your interest in this vacancy, which is being advertised by Smart10 Recruitment Group, who are acting as an employment agency / business. Your application will be considered in competition with others, and we will contact you within 3 working days if you have been shortlisted.
Smart10 is a multi-award-winning specialist recruitment consultancy focused on the supply of temporary, contract and permanent placements across a select group of business sectors. In order to keep up to date and search for all our active jobs, please visit our website, like us on Facebook and follow us on Instagram or LinkedIn. Please refer to Smart10’s Privacy Policy as to how we hold your data.

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IT Systems Administrator

Hertfordshire, Eastern £32000 - £36000 Annually SDL Solutions Limited

Posted 7 days ago

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permanent

SDL Solutions Limited is seeking an experienced IT Systems Administrator to join an IT Managed Services provider based in Hertfordshire.

Due to continued business growth, they are looking for a senior IT Systems Administrator. This varied role in the technical support team will suit someone who is personable, with a minimum of five years’ experience in the main areas of IT infrastructure support, perhaps as part of an internal IT department because a broad range of technical knowledge is required. The ability to take ownership, logically approach troubleshooting and provide a high level of attention to detail in their work is essential as each team member is responsible for resolving the support issues they pick up.

You will need to be a great team player, with a commitment to the success of the company, and someone who is a positive person to be around. Candidates must live locally, within a 15-mile radius of Stevenage.

Main duties and responsibilities

  • Administering, monitoring and supporting client hardware, software, IT systems and infrastructure.
  • li>Providing reactive support, troubleshooting problems, implementing emergency fixes and determining longer-term remedial actions.
  • Configuring, reprovisioning and onboarding devices for clients.
  • Administering AD, Azure, 365 and other cloud services.
  • Scheduling and performing proactive system maintenance.
  • Analysing systems and making recommendations to improve performance.
  • Performing server backup and recovery operations and restarting systems following outages.
  • Liaising between users, external suppliers and other members of the team.
  • Recording support activities via the ticketing system and communicating progress back to the team.
  • Responding promptly to queries and requests from clients that come in via phone, email or online chat.
  • Keeping clients updated with progress if an issue cannot be resolved straight away.
  • Communicating and explaining technical information clearly to a non-technical audience.
  • Keeping process documentation and client information up to date.
  • Onsite visits to clients for issues that cannot be resolved remotely.
  • Configuring and provisioning IT environments for new clients.
  • Involvement in technical implementation projects from planning to deployment.

General requirements

  • Ensuring all responsibilities are met in accordance with company procedures.
  • Understanding the need for confidentiality when dealing with both internal and external information.
  • Flexibility to travel to client sites (UK only).
  • Flexibility to work outside of or more than standard hours when necessary to achieve objectives required.
  • Sound knowledge of the company’s service offering specific to this role.

Commutable from: - Welwyn, WGC, Hatfield, St Albans, Hitchin, Stevenage, Potters Bar, Letchworth, Baldock, Royston, Sandy, Ware, Hertford, Enfield, Hoddesdon, Broxbourne, Luton, Cambridge, Bedfordshire

Buzzwords: - IT Admin, 1st Line Support, 2nd Line Support, 3rd line Support, Desktop Support, Networking, Technician, Helpdesk, IT Support Administrator, Server, Active Directory (AD), Exchange, Virtualisation, Azure, Routers, Firewalls, Troubleshooting, VMWare, Hyper-V, Office 365, SQL, MCSA, MCSE, MCITP, MCDST, MCP, MTA, MCTS

Salary: - £32,000 – c£36,000 (DOE) + Benefits

IT Systems Administrator – Hertfordshire

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