1 to 25 of 35 Systems Administrator Jobs in the South East

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 ...

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 ...

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 ...

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 ...

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 Research Systems AdministratorDigital and Information Services, Central OxfordWould you like to use your systems expertise to help shape a new University-wide research computing service from its foundations? As Senior Research Systems Administrator, you will combine deep Linux expertise with HPC, HTC, container … employees to access an interest-free loan to help cover the cost of a rental deposit in Oxford.About the Role As Senior Research Systems Administrator, you will help develop, operate and continuously improve complex Linux-based research computing infrastructure, spanning established HPC and HTC platforms and emerging ...

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 ...

Systems Administrator £28,586 per annum Chelmsford Temporary Full-Time We are looking for a HR and Systems Administrator for a up to 14 month FTC to provide effective and efficient administration support to the HR team, as well as to internal and external … system. What we are looking for Evidence of competence in HR administrative processes/procedures. Good track record in maintaining data, HR systems and developing knowledge of further applications. Ability to work accurately, methodically and meet deadlines. Excellent attention to detail and organisation skills. Ability to use own initiative ...

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 ...

Senior Linux Infrastructure Engineer (Automation & Platform Growth) Are you an expert Linux Systems Administrator who lives in the command line, but wants to step up and lead a major enterprise automation and containerisation roadmap? We are partnering with an established, tech-driven business looking for a Senior … turn manual infrastructure processes into clean, automated code. Container Exposure: Strong familiarity with or a desire to deeply master Kubernetes or OpenShift . The SysAdmin Mindset: High proficiency in shell scripting (Bash/Python) with a focus on deep infrastructure stability, troubleshooting, and systems optimization. Why apply? This ...

date and time: 24-September-2026 12:45 Digital and Information Services, Central Oxford Would you like to use your systems expertise to help shape a new University-wide research computing service from its foundations? As Senior Research Systems Administrator , you will combine deep Linux expertise … employees to access an interest‐free loan to help cover the cost of a rental deposit in Oxford. About the Role As Senior Research Systems Administrator, you will help develop, operate and continuously improve complex Linux-based research computing infrastructure, spanning established HPC and HTC platforms ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 (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(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 ...

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 ...

Labs is seeking an experienced Salesforce/HubSpot Administrator – Revenue Systems (SaaS) to support a customer project focused on operational excellence across CRM and revenue systems. This remote contractor role emphasizes evaluating SaaS operations, resolving data inconsistencies, and improving how AI systems understand complex business workflows. … will audit CRM and integrated revenue systems, review data across platforms, and document recommended system changes and governance to #J-18808-Ljbffr ...

hybrid position.Expectationofdays intheoffice will be confirmed by your Hiring Manager. Qualifications Basic Qualifications: Bachelor’s degree in computer science/computer engineering, Information Systems or related field. Minimum GPA of 3.0 out of 4.0 (or equivalent scale) Preferred Qualifications: Six months of Unix/Linux system administration/Containers … externally Ability to understand and adopt processes, project management techniques, methodologies, and best practices Be scheduled On-Call to support the infrastructure and our systems Strong analytical and problem-solving skills Visa is an EEO Employer Qualified applicants will receive consideration for employment without regard to race, color, religion ...

seeking a System Administrator for the BOREALIS team to manage secure cloud infrastructure on-site in Reading. You will monitor health, respond to alerts, and support mission-critical systems in a highly secure environment. The role requires sole UK National status with eligibility for UK Security Clearance ...

Southampton is seeking a Senior Administrator - Investor … Services to manage the day-to-day Client and Investor Data management across multi-jurisdictional platforms. You will work with Investran, Yardi and other systems to ensure data accuracy and efficient admin reporting. Based in Southampton, this full-time role offers hybrid working with Agile options and a focus ...

progression using the SFIA+ framework. Our company provides professional services to customers to maintain, develop and, in some cases, manage existing national or enterprise systems on which citizens depend. This involves exposure to a wide range of technologies and methodologies. The key to our staff becoming professionals … broad set of technical, management and leadership skills that provide a broad base for their future careers. We are looking to grow our systems administration team; ideally, you will be a new graduate, entry-level, or have approx. 1 year of experience in IT support. Duties and responsibilities • Address ...