1 to 25 of 36 Systems Administrator Jobs in the South East

Business Systems Administrator

Hiring Organisation
TPP Recruitment
Location
Surbiton, Surrey, United Kingdom
Employment Type
Full-Time
Salary
£21.98 - £24.73 per hour
Business Systems Administrator £21.98 -£24.73 per hour Predominantly Remote | Monthly London Team Meetings (Expenses Paid) | Interim Opportunity with Long-Term Potential Are you an experienced Systems or Applications Administrator looking for a role where you can combine hands-on systems support with … health and social care services. As the organisation continues to invest in its digital, data and technology capabilities, they are looking for a Business Systems Administrator to help strengthen the day-to-day management and support of their business-critical systems. This role is centred around systems ...

HR and Systems Administrator – National Charity

Hiring Organisation
Missing People
Location
London, South East England, United Kingdom
Employment Type
Part-Time
Salary
£20,714 - £29,000 per annum
Systems Administrator – National Charity Salary: £29,000 per annum pro rata (£20,714 actual) Hours: 25 hours per week (5 hours per day), Monday to Friday Location: South West London with a high degree of flexibility available. Contract: Fixed term until 30 September 2028 About Missing People … everyone who needs us. We provide free, confidential support, help and advice by phone, email, text and live chat. About the HR and Systems Administrator We are looking for an organised and detail-focused HR and Systems Administrator to help deliver an efficient, professional ...

Senior IT Systems Administrator (Linux & HPC)

Location
Leatherhead, England, United Kingdom
Senior IT Systems Administrator (Linux & HPC)KBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense and industrial base. Drawing from its rich 100-year history and culture of innovation and mission focus, KBR creates sustainable value by combining engineering … long-term operations and maintenance services to ensure consistent delivery with predictable results. At KBR, We Deliver.KBR is looking for a Senior IT Systems Administrator (Linux & HPC).**The Opportunity:**The Senior IT Systems Administrator (Linux & HPC) is responsible for the administration, maintenance, security ...

Dev Ops Systems Administrator

Hiring Organisation
Proactive Appointments
Location
Woking, Surrey, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Senior DevOps Systems Administrator Location: Woking, Surrey — Hybrid (1 day per month in the office) Are you an experienced DevOps Systems Administrator or Senior DevOps Engineer ready to take ownership of complex cloud and infrastructure projects? Our client is a growing, innovative msp working … with leading technology providers across cloud infrastructure, DevOps, business communications, contact centres, networking, AI, automation and systems integration. They have built a strong reputation for delivering innovative solutions, reducing risk and developing long-term client relationships. With continued growth and investment in their people, this is an excellent opportunity ...

Senior DevOps Systems Administrator

Hiring Organisation
Mobilus Limited
Location
Guildford, Surrey, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum + excellent benefits
delighted to be working in partnership with an established market leader in managed communications technology and systems integration who develop their own products. For over 40 years, they’ve been at the forefront of innovation, transforming customer experiences through smarter communications, automation, analytics and AI. They deliver transformative communication … solutions throughout the UK and internationally, supporting clients with global reach and ambition. As the business expands, they are looking to onboard a DevOps SysAdmin to support teams across the business for both internal and hosted infrastructures including hardware, operating systems and server-based applications. As a Senior DevOps ...

Systems Administrator/Network Technician

Hiring Organisation
Carbon60
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Contract
Maritime Works (MarWorks) Systems Administrator/Network Technician Location: Semaphore Tower/MCSU, Portsmouth Working Pattern: Full-time, On-site Security Clearance: SC on start or willingness to obtain, with the ability and willingness to obtain DV Clearance Travel: Occasional travel to MOD and Royal Navy sites … role suited to individuals who enjoy building, configuring, troubleshooting, and delivering technical solutions rather than purely designing them. The Role We are seeking three Systems Administrator/Network Technicians to join the MarWorks team in Portsmouth. The successful candidates will support the build, integration, deployment and maintenance ...

Senior Systems Administrator

Location
Slough, England, United Kingdom
infrastructure that supports a more open, accountable internet. That is what drives the work we do. About the Position We're seeking a Senior Systems Administrator to keep our company running smoothly. The ideal candidate is a level-headed, hands-on specialist with deep experience configuring, managing … improvements Develop and maintain technical roadmaps aligned with business goals, collaborating with leadership to prioritize initiatives Design, implement, and continuously improve automated provisioning and systems management pipelines (CI/CD for IT tooling, endpoint management) Research and evaluate new technologies, tools, and vendors; lead proof-of-concept efforts ...

Junior Systems Administrator

Hiring Organisation
Red Top Resources Ltd
Location
Newbury, West Berkshire, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£28000 - £34000/annum
Junior Systems Administrator required for a well established small business specialising in software solutions based in central Newbury (Berks). The role involves monitoring and maintaining an estate of around 70 servers, plus virtual PCs, PCs and Chrome boxes and supporting systems. It requires regular communication with … colleagues, customers and suppliers who may have differing levels of technical knowledge. The successful candidate will work closely with an experienced Systems Administrator to maintain customer systems both in a hosted environment and customers own environments. This involves keeping systems updated with latest releases, monitoring ...

DevOps Systems Administrator

Hiring Organisation
Neoci Ltd
Location
Guildford, Surrey, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £65,000 per annum
DevOps Systems Administrator Guildford (Hybrid) £60,000 to £65,000 Want to take control of complex cloud projects and fast-track your DevOps career? Keen to join a team where your ideas genuinely shape the way things are done? This is your chance to work on impactful … infrastructure challenges in a growing business where your input matters. As a Senior DevOps Systems Administrator, you’ll lead automation efforts, work with cutting-edge tools, and be trusted to make key decisions that influence our direction. Note: We will only accept CV from UK residents within ...

Senior HPC Systems Administrator Closing date: Oct 01, 2026

Location
Oxford, England, United Kingdom
Oxford, United Kingdom ENGINEERING SCIENCE Careers Senior HPC Systems Administrator Salary Grade 8: £49,119 - £55,031 per annum (Inclusive of Oxford University weighting) Closing date Oct 01, 2026 12:00PM Description We are seeking a full‐time Senior HPC Systems Administrator to join … Science at the University of Oxford, working within the internationally recognised Visual Geometry Group (VGG). This is an exciting opportunity for an experienced systems professional to lead the development, administration, and strategic evolution of the groups high‐performance computing (HPC) infrastructure supporting cutting‐edge AI, computer vision ...

Senior DevOps Systems Administrator

Location
Guildford, England, United Kingdom
Senior DevOps Systems Administrator Guildford -1 day a month on-site £60,000 - £65,000 + Private Medical Insurance + Holiday + Pension This is an excellent opportunity for an experienced DevOps Systems Administrator looking to take ownership of complex cloud projects and have ...

Systems Administrator

Hiring Organisation
Ashdown Group
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
fast-growing global firm is seeking an experienced Systems Administrator to join the team in Central London. The business embraces flexibility so you will be able to work from home 2 days per week. In this brand-new role, you will … function for the UK and Europe office. You will act as a trusted expert for IT requests in this hands-on position covering IT systems, devices, security, SaaS and office technology. You will troubleshoot and resolve technical issues, administer Google Workspace and Slack, and manage a fleet ...

Business Systems Administrator

Hiring Organisation
Career Moves Group
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
Moves are partnering with a respected, long-standing property real estate company based in the heart of London that is seeking an experienced Business Systems Analyst to join their team. The Business Systems Administrator will play a pivotal role in driving the performance, reliability, and continuous … involving Horizon and other enterprise applications. Help maintain data quality, governance standards, and system controls. Skills & Experience Minimum 3 years' experience in a Business Systems, ERP Support, Application Support, Systems Administration, or similar role. Experience supporting business-critical systems within property, real estate, finance, or related commercial ...

Systems Administrator

Location
Guildford, England, United Kingdom
Maintain and support company information systems Provide 1st and 2nd Line Support, escalating issues where appropriate Work with IT suppliers and third-party partners Attend IT meetings and provide status updates Monitor systems for performance, availability, and security Maintain firewall and gateway security policies Assist with security alerts … incident response alongside the System Security Officer Support the development, testing, and rollout of new systems and services Develop skills across Active Directory, Microsoft 365, networking, cybersecurity, and virtualised infrastructure Progress toward a fully-fledged Systems Administrator role Requirements A background in Computer Science ...

Senior HPC Systems Administrator

Location
Oxford, England, United Kingdom
date and time: 22-September-2026 12:59 We are seeking a full-time Senior HPC Systems Administrator to join the Department of Engineering Science at the University of Oxford, working within the internationally recognised Visual Geometry Group (VGG). This is an exciting opportunity … experienced systems professional to lead the development, administration, and strategic evolution of the groups high-performance computing (HPC) infrastructure supporting cutting-edge AI, computer vision, and multimodal learning research. The successful candidate will take a leading role in the design, deployment, maintenance, and optimisation of large-scale HPC systems ...

Ticketing Systems Administrator

Hiring Organisation
Brighton and Hove Albion Football Club
Location
Brighton, East Sussex, South East, United Kingdom
Employment Type
Permanent, Part Time
Role: Ticketing Systems Administrator Salary: Dependent on experience Hours: 35 hours per week plus all home matches (5 included in contract, after 5 matches lieu time is accrued) Location: American Express Stadium, Brighton, BN1 9BL Contract Type: Permanent Deadline Day: 30th September 2026 About Brighton & Hove Albion … lead staff briefings, manage end-of-game reconciliations and serve as the key liaison with Crawley Town FC. About you We are seeking a systems enthusiast who thrives on turning complex challenges into streamlined, innovative solutions. With a sharp eye for detail and a strong head for numbers, youll ...

Ticketing Systems Administrator

Hiring Organisation
Brighton & Hove Albion Football Club
Location
Brighton, East Sussex, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Role: Ticketing Systems Administrator Salary: Dependent on experience Hours: 35 hours per week plus all home matches (5 included in contract, after 5 matches lieu time is accrued) Location: American Express Stadium, Brighton, BN1 9BL Contract Type: Permanent Deadline Day: 30th September 2026 About Brighton & Hove Albion … lead staff briefings, manage end-of-game reconciliations and serve as the key liaison with Crawley Town FC. About you We are seeking a systems enthusiast who thrives on turning complex challenges into streamlined, innovative solutions. With a sharp eye for detail and a strong head for numbers ...

Aspiring Systems Administrator – Microsoft 365 & Security

Location
Guildford, England, United Kingdom
Jobtailor in the United Kingdom seeks an aspiring Systems Administrator to maintain and support company information systems, providing 1st and 2nd line IT support … coordinating with suppliers. You will monitor performance, security, and security policies, and assist with incident response alongside the System Security Officer. Grow toward full SysAdmin duties. You'll develop expertise in Active Directory, Microsoft 365, networking, and virtualization, with exposure to Azure, security #J-18808-Ljbffr ...

Ticketing Systems Administrator

Hiring Organisation
Brighton and Hove Albion Football Club
Location
Brighton, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Role: Ticketing Systems Administrator Salary: Dependent on experience Hours: 35 hours per week plus all home matches (5 included in contract, after 5 matches lieu time is accrued) Location: American Express Stadium, Brighton, BN1 9BL Contract Type: Permanent Deadline Day: 30th September 2026 About Brighton & Hove Albion ...

Systems Administrator - Platform Migration & Merge Specialist

Location
Basingstoke, England, United Kingdom
Systems Administrator – Platform Migration & Merge Specialist Location: Basingstoke (hybrid) Job Type: Fixed Term Contract (Until 31st March 2027) Salary: £50k - 80k (Pro Rated for period of hire June26-Mar27) Reporting To: The IT Director Role Overview Reporting to the IT Director, this role provides the technical leadership … Microsoft Migration Toolset (Exchange Online migration, SharePoint and OneDrive migration tooling) and complementary third‐party tooling where appropriate. Manage coexistence periods where dual systems operate in parallel, including mail flow configuration, calendar interop, free/busy visibility, and delta synchronisation. Plan and execute cut‐over activities including domain ...

Monitoring Consultant (OSS)/Senior IT Systems Administrator

Location
Redhill, England, United Kingdom
Monitoring Consultant (OSS)/Senior IT Systems Administrator(FTC) About Indra Group UK & Ireland Indra is a leading global technology and consulting company, and a trusted technological partner for the core business operations of its clients worldwide. It stands at the forefront of key sectors including Transport … About the Project Transport for London (TfL) has awarded Indra a long-term contract to operate, develop, enhance and expand ticketing and access control systems across London’s transport network through to 2034, with extension options to 2039. This programme covers the maintenance, operation and evolution of a large ...

Systems Administrator/Network Technician

Hiring Organisation
Carbon60
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Maritime Works (MarWorks) Systems Administrator/Network Technician Location: Semaphore Tower/MCSU, Portsmouth Working Pattern: Full-time, On-site Security Clearance: SC on start or willingness to obtain, with the ability and willingness to obtain DV Clearance Travel: Occasional travel to MOD and Royal Navy sites ...

Defence Systems Administrator & Network Technician

Location
Portsmouth, England, United Kingdom
MarWorks in Portsmouth is seeking three Systems Administrator/Network Technicians to join a busy, on-site team. You will build, deploy and maintain digital platforms, network infra, and communications systems, following established build guides and procedures. One role may coordinate day-to-day activity ...

Systems Administrator

Hiring Organisation
Hackajob Ltd
Location
Guildford, Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
hackajob is partnering directly with Actica Consulting to hire for this role. About the Role 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 … suitable for graduates as well as candidates who have already worked in IT support, systems administr click apply for full job details ...

IT Systems & Network Administrator

Hiring Organisation
Parkside Office Professional
Location
Hounslow, Middlesex, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £80,000 per annum
SonicWall firewalls - configuration, VPNs, security policies & troubleshooting VMware ESXi/vSphere - administration, provisioning, backups & performance Windows Server & Active Directory IT Systems & Network Administrator ONSITE Heathrow/Heston £50,000 – £80,000 depending on experience We are recruiting for an experienced and hands-on IT Systems & Network … disaster recovery and security requirements. Work with external IT suppliers and support infrastructure projects where required. About You 5+ years' experience in an IT Systems, Network Administration or Infrastructure role. Proven hands-on experience with SonicWall firewalls – this is essential. Strong knowledge of VMware ESXi/vSphere . Experience ...