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Systems Administrator

Also advertised as: 3rd Line Support Engineer, enterprise administrator, ICT sysadmin, ICT sysadmins, ICT system administrators, ICT systems administrator

Keeps servers, networks and business systems running day to day.

What the job involves

Systems administrators look after the servers, storage and infrastructure that a business depends on. You patch systems, manage backups, monitor performance and respond when something goes down. Most people move into the role from IT support rather than starting here.

Typical responsibilities

  • Maintain and patch servers and infrastructure
  • Manage backups and disaster recovery
  • Monitor system performance and capacity
  • Administer user access and permissions
  • Support migrations and upgrades

Common employers

  • Managed service providers
  • Universities
  • Local councils
  • Retail head offices
  • Financial services firms

Pay, hours and working environment

Typical pay

£25,000 – £32,000 a year

With experience

£38,000 – £50,000 a year

Typical hours

37.5 hours, with occasional out-of-hours maintenance windows

Working environment

Office based with server room visits, some remote administration

Remote working

hybrid

Demand for this work

steady

Pay ranges are indicative guidance drawn from advertised UK vacancies and published careers information. They are not an offer, and actual pay varies by employer, location and experience.

Skills and qualifications

Core skills

  • Windows and Linux server administration
  • Active Directory
  • Virtualisation
  • Scripting
  • Backup and recovery
  • Monitoring tools

Transferable skills you may already have

  • Methodical troubleshooting
  • Attention to detail
  • Working under pressure

Requirements employers ask for

  • Windows and Linux server administration
  • Active Directory
  • Virtualisation
  • Scripting
  • Backup and recovery
  • Monitoring tools
  • No formal qualification required; IT support experience expected
  • interpret technical texts
  • hardware components
  • apply system organisational policies
  • ICT system programming
  • administer ICT system
  • migrate existing data
  • software components libraries
  • ICT system user requirements
  • solve ICT system problems
  • support ICT system users
  • organisational policies
  • manage system testing

Useful but not essential

  • Methodical troubleshooting
  • Attention to detail
  • Working under pressure
  • CompTIA Server+
  • Microsoft Certified: Windows Server
  • Level 3 Network Cabling and Infrastructure apprenticeship
  • interact with users to gather requirements
  • interfacing techniques
  • information security strategy
  • provide ICT system training
  • acquire system component
  • systems development life-cycle
  • ICT system integration
  • execute integration testing

Helpful qualifications

  • CompTIA Server+
  • Microsoft Certified: Windows Server
  • Level 3 Network Cabling and Infrastructure apprenticeship

Ways into this career

A degree is only one route. Where an apprenticeship, work-experience or qualification route exists, it is listed here alongside the academic option.

Apprenticeships and work-based routes

  • Network Engineer (Level 4)
  • Infrastructure Technician (Level 3)

Degree and college routes

  • Related subject: Computing
  • Related subject: IT
  • Related subject: Networking

Where this career can lead

  1. next

    Senior Systems Administrator

  2. next

    Cloud Engineer

  3. next

    IT Infrastructure Manager

The good parts and the hard parts

What people enjoy

  • Clear progression from IT support
  • Broad, transferable infrastructure skills
  • Rarely short of employers needing the role

What people find hard

  • On-call duties when systems fail overnight
  • Legacy systems can be frustrating to maintain

Common questions

Do you need a degree to become a systems administrator?
No. As well as degree routes, this career can be entered through an apprenticeship or by building experience and qualifications on the job. not_required
How much does a systems administrator earn in the UK?
Typical advertised pay runs from £25,000 to £32,000 a year, rising towards £50,000 with experience. Figures are indicative guidance rather than an offer.
What skills transfer into this career?
Skills that transfer well include Methodical troubleshooting, Attention to detail, Working under pressure.

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Where this information comes from

  • National Careers Service
  • Institute for Apprenticeships

Last reviewed 15 September 2026.

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