51 to 75 of 142 Systems Administrator Jobs in the UK

Side is seeking an IT Systems Administrator to join its global IT Support team in London. You will maintain corporate servers, network infrastructure, and desktops (Windows, Mac, Linux) and manage Active Directory, Office 365, Intune, and security controls. The role requires 5 years' experience in QA/ ...

Lomar Shipping Limited is seeking an experienced IT Systems Administrator to join our IT Department in London. You will be responsible for administering, maintaining, and improving the company’s office and vessel IT infrastructure to ensure high availability, security, and reliability. You will manage Windows Server environments ...

technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. Job Description: The Systems Administrator is responsible for supporting, securing, and optimizing enterprise IT operations. This includes end-user system support, infrastructure maintenance, IT asset lifecycle management … discipline, and a collaborative mindset to support a modern, scalable, and secure IT environment. What you'll do: Provide hands-on desktop, server, and systems administration support for Windows and Linux environments. Install, configure, and troubleshoot hardware and software issues across end-user devices and server systems. Administer user ...

Synapri is seeking a D365 Systems Administrator to join their IT department on a permanent basis. You will maintain and optimise D365 Finance & Operations environments and related systems, ensuring reliability, security and performance. Role involves system integrations, automation, and collaboration with internal teams and third-party ...

Abtrace is seeking a Systems Administrator to own internal infrastructure, identity and endpoint estate. You will manage AWS, Microsoft 365, Intune and hybrid work practices in a small team, handling support tickets and security/compliance in a NHS data‐intensive environment. The role requires hands ...

Edenred PayTech is hiring a Systems Administrator in Swindon for hybrid work. You will manage AWS and Linux-based platforms, patch servers, and implement infrastructure automation with Git, Terraform and Ansible. The role emphasizes security, compliance, and reliable operations to meet SLAs and regulatory standards. Join ...

maximise funding. We work with over 600 primary care practices across the UK, covering 7.5 million patients. The Role We are seeking a Systems Administrator to own our internal infrastructure, identity and endpoint estate, and to keep the internal support pipeline moving alongside it. This … hands‐on role in a small team. You will be responsible for the systems and also for the tickets they generate. There is no separation here between designing a control and being the person who applies it, or between owning the endpoint estate and unlocking an account at short ...

Edenred PayTech in Swindon is seeking a Systems Administrator to deliver, support, and maintain AWS and processing platforms that meet regulatory requirements, customer SLAs, and growing business demands. You will join a hybrid team, patch Linux servers, automate infrastructure with Terraform and Ansible, keep documentation … date, and help ensure PCI-DSS compliance while keeping systems secure and high performing. #J-18808-Ljbffr ...

Forge in London (Shepherd’s Bush) seeks a Senior Systems Administrator to own and optimize a world-class IT environment across the UK and South Africa. You will manage Windows and Mac, cloud platforms, and security, with hybrid work and frontline accountability. You’ll report ...

Robinsons Brewery is seeking a Production Systems Administrator to join the Production team and support bottling and planning operations through effective use of Microsoft Business Central. You will be the go-to person for Business Central within our bottling operation, ensuring production data remains accurate, reliable ...

Edenred PayTech Swindon is seeking a Systems Administrator to deliver, support, and maintain AWS and Linux-based processing platforms to meet regulatory requirements and SLAs. You will patch Linux servers, fix security vulnerabilities, and automate infrastructure with Git, Terraform, and Ansible, while keeping documentation up to date ...

Shield AI is seeking a highly autonomous Staff Systems Administrator to own enterprise IT infrastructure and end-user computing in a security-sensitive environment. You will design, operate, secure, and improve on-prem and cloud infrastructure, identity services, networks, and endpoints with strong adherence to compliance ...

Francis Crick Institute Ltd in London is seeking a Systems Administrator – Identity Specialist to lead IAM initiatives across on‐prem and cloud services. You will drive identity platforms (AD/Okta), manage DSAR workflows, and collaborate with SOC and cross‐functional teams to ensure secure, scalable access ...

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 leadership with hands-on administration across Windows and Linux environments. You will drive IAM roadmaps, coordinate ...

Government and private funding in order to design, build and deploy innovative AI systems. The Opportunity We are seeking a highly skilled Senior AI Systems Administrator to join our rapidly growing engineering team. You will provision and maintain multi-rack GPU server clusters designed for both inference … latest technology to find innovative and new ways of working. You should be able to demonstrate: Significant experience working as a System Administrator, HPC Engineer, MLOps Engineer or equivalent technical role Modern GPU server deployment, tuning and management Advanced networking technologies (Infiniband, RDMA, RoCE) Advanced Linux skills ...

CommonAI CIC in Cambridge is seeking a Senior AI Systems Administrator to design, deploy and maintain multi-rack GPU server clusters for inference and training. You will work at the intersection of high-end hardware and software orchestration, ensuring scalable, reliable infrastructure for advanced AI research. ...

Digitech is seeking a Systems Administrator in Greater London to own the infrastructure from user configuration to CI. You will thrive in a startup environment, handling ad-hoc duties across Operations and Development to keep the client’s stack fit for purpose as the business scales. ...

client is a management and technology consultancy. About the Role As a Systems Administrator, you will be part of our IT Team, supporting and developing our technology environment. This role offers a balance of hands-on responsibility and ongoing learning, making it suitable for graduates as well … candidates who have already worked in IT support, systems administration, or similar roles click apply for full job details ...

managing access, devices, and day-to-day troubleshooting. The role is hands-on within a small team, with a clear path toward a Systems Administrator position and involvement in our security and audit programme. Based in Paddington, the company operates under high security and compliance standards, including ...

York, with rapid growth expectations to hundreds. About The Role Hiring sits at the centre of Volta's growth. As our Ashby Systems Administrator, you will take full ownership of the Ashby environment behind every hire we make, supporting the teams building our AI factories across Europe … problem-solving, with the ability to turn evolving requirements into working configurations Clear communication with both technical and non-technical users Experience scaling recruitment systems across multiple countries, and integrating Ashby with HRIS and BI platforms, would be a strong advantage What We Offer At Volta, we believe people ...

York, with rapid growth expectations to hundreds. About The Role Hiring sits at the centre of Volta's growth. As our Ashby Systems Administrator, you will take full ownership of the Ashby environment behind every hire we make, supporting the teams building our AI factories across Europe … problem-solving, with the ability to turn evolving requirements into working configurations Clear communication with both technical and non-technical users Experience scaling recruitment systems across multiple countries, and integrating Ashby with HRIS and BI platforms, would be a strong advantage What We Offer At Volta, we believe people ...

York, with rapid growth expectations to hundreds. About The Role Hiring sits at the centre of Volta's growth. As our Ashby Systems Administrator, you will take full ownership of the Ashby environment behind every hire we make, supporting the teams building our AI factories across Europe … problem-solving, with the ability to turn evolving requirements into working configurations Clear communication with both technical and non-technical users Experience scaling recruitment systems across multiple countries, and integrating Ashby with HRIS and BI platforms, would be a strong advantage What We Offer At Volta, we believe people ...

looking to double the size of their business over the coming 12 months.As part of their growth they are looking for a Systems Administrator to manage their entire Infrastructure Operations from User Configuration to Continuous Integration. The position requires someone with an entrepreneurial mentality, who thrives ...

promote social and cultural awareness and facilitate interaction between students, helping to develop international friendship. The Role We are looking for an experienced Systems Administrator to join our IT team click apply for full job details ...

System Administrator Location: North Somerset Job Type: Full-time - Site Based Salary: £35,000 . We are seeking a System Administrator to work collaboratively with various business teams to ensure the security, efficiency, and reliability of all IT systems. Day-to-Day of the Role: Infrastructure … Project Delivery & Continuous Improvement: Lead infrastructure projects, evaluate new technologies, and enhance system reliability and efficiency. Required Skills & Qualifications: Proven experience as a System Administrator or in a similar role. Strong commitment to customer service and high satisfaction levels. In-depth knowledge of Windows servers, networking, and cybersecurity. ...