15 of 15 Windows Administrator Jobs in the UK

We are seeking a skilled and experienced Windows Administrator to manage, maintain, and support our Windows-based systems and infrastructure. The ideal candidate will have hands-on experience in system administration, user support, security configuration, and performance tuning in enterprise environments. Key Responsibilities: Install, configure, and maintain Windows Servers (2012/2016/2019/… DHCP, and other core services. Administer and maintain user accounts, permissions, and access rights. Perform system monitoring, backup, and disaster recovery planning. Troubleshoot hardware, software, and networking issues on Windows platforms. Apply security patches and system updates regularly to maintain system integrity. Maintain system documentation, standard operating procedures, and configurations. Support virtualization environments (e.g., Hyper-V, VMware). Collaborate … with network, application, and security teams to ensure smooth operations. Manage and monitor Windows-based applications and services (IIS, SQL Server, etc.). Ensure compliance with organizational IT policies and security standards. Required Qualifications: Bachelors degree in Computer Science, Information Technology, or related field. 3+ years of experience in Windows System Administration. Strong knowledge of Active Directory, DNS More ❯

I'm working with a leading University in the South of England who are looking for a Senior IT Systems Administrator (Windows). The role is focused on managing and developing core IT services, with a strong emphasis on Windows Server Environments, Active Directory, Office 365, and backup/disaster recovery solutions. The position also plays a … infrastructure team. MUST HAVE EXPERIENCE: Microsoft 365 (Office 365) – admin, support, and development Exchange/Exchange Online –must have proven experience of migrating Exchange on–premise to Exchange online Windows Server – strong hands–on experience Active Directory/Azure AD – configuration, support Backup systems and disaster recovery processes Experience working in or with the higher education sector ESSENTIALS: Strong More ❯

NEW FTC ROLE – SENIOR IT SYSTEMS ADMINISTRATOR (WINDOWS) Southeast England | Hybrid (40% on-site) 6 month FTC | Salary TBC Full-Time | Interviews via Teams/On-site A leading institution in the Southeast is seeking a Senior IT Systems Administrator to join its dynamic and collaborative IT infrastructure team. Key Essentials – Must-Haves Deep, hands-on experience … administration, backup and disaster recovery solutions, and broader support across the technology estate. What You’ll Be Doing Administering and developing the Microsoft 365 and Exchange Online environment. Managing Windows Server infrastructure and Active Directory/Azure AD . Implementing and maintaining patch management and backup/DR solutions . Supporting ongoing cloud migration from on-premise systems. Contributing … line with ITIL practices. Collaborating with internal teams and stakeholders to ensure operational excellence. What We’re Looking For: Strong experience administering Microsoft 365 , Exchange/Exchange Online , and Windows Server Solid understanding of Active Directory and Azure AD Proven ability to manage backup and disaster recovery systems Hands-on knowledge of patching processes and systems Familiarity with the More ❯

Windows Systems Administrator (Mid-Level) Windows Server, VMware, Active Directory, AWS EC2 £40,000 - £45,000 2 Days per week in the Southampton office Mid-Level Windows Systems Administrator required to join a leading international Software Business committed to delivering high-performance IT solutions. This is a large operation and will be working within a …/7 production environment with 85% of your time being Windows Server and 15% VMware. As a Mid-Level Windows Systems Administrator you will maintain and contribute to the ongoing reliability, performance and support of the infrastructure. This includes monitoring the operating environments, responding to incidents, problems and helping other teams as necessary. These roles have been … created by team expansion and new client wins. Key Responsibilities: Manage and maintain Windows Server environments Be part of a 24/7 production environment of around 30 engineers in this team Support multiple systems or applications of medium to high complexity Manage Mail, DNS, FTP, IIS and Application environments Participate in the On-Call rotation Work with cabling More ❯

Mid-Level Windows Systems Administrator Windows Server, Active Directory, AWS EC2, VMware £40,000 - £45,000 Night Shift (10pm - 6am) + On Call Rota (Fully remote) Mid-Level Windows Systems Administrator required to join a leading international Software Business committed to delivering high-performance IT solutions. This is a large operation and will be working … within a 24/7 production environment with 85% of your time being Windows Server and 15% VMware. As a Mid-Level Windows Systems Administrator you will maintain and contribute to the ongoing reliability, performance and support of the infrastructure. This includes monitoring the operating environments, responding to incidents, problems and helping other teams as necessary. These … roles have been created by team expansion and new client wins. Key Responsibilities: Manage and maintain Windows Server environments Be part of a 24/7 production environment of around 30 engineers in this team Support multiple systems or applications of medium to high complexity Manage Mail, DNS, FTP, IIS and Application environments Participate in the On-Call rotation More ❯

Mid-Level Windows Systems Administrator Windows Server, Active Directory, AWS EC2, VMware £40,000 - £45,000 Night Shift (10pm - 6am) + On Call Rota (Fully remote) Mid-Level Windows Systems Administrator required to join a leading international Software Business committed to delivering high-performance IT solutions. This is a large operation and will be working … within a 24/7 production environment with 85% of your time being Windows Server and 15% VMware. As a Mid-Level Windows Systems Administrator you will maintain and contribute to the ongoing reliability, performance and support of the infrastructure. This includes monitoring the operating environments, responding to incidents, problems and helping other teams as necessary. These … roles have been created by team expansion and new client wins. Key Responsibilities: Manage and maintain Windows Server environments Be part of a 24/7 production environment of around 30 engineers in this team Support multiple systems or applications of medium to high complexity Manage Mail, DNS, FTP, IIS and Application environments Participate in the On-Call rotation More ❯

Windows Systems Administrator, Hampshire Client: Spectrum IT Recruitment Location: Hampshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: Windows Systems Administrator 2 Days per week in the Southampton office We are seeking a Windows Systems Administrator to join a leading international software … business committed to delivering high-performance IT solutions. The role involves working within a large, 24/7 production environment, focusing 85% on Windows Server and 15% on VMware. The successful candidate will maintain and enhance the reliability, performance, and support of the infrastructure. Responsibilities include monitoring operating environments, responding to incidents and problems, and assisting other teams as … needed. These roles have been created due to team expansion and new client acquisitions. Key Responsibilities: Manage and maintain Windows Server environments Support a 24/7 production environment with around 30 engineers Support multiple systems or applications of medium to high complexity Manage Mail, DNS, FTP, IIS, and Application environments Participate in on-call rotation Perform cabling, racking More ❯

Mostly remote with occasional travel to London expected Job Type: Permanent About the Role & Client: My client, a leading UK based IT Services & Consulting organisation, are seeking an experienced Windows System to join their team on a permanent basis. Previous experience supporting automation within Windows Server & OS is essential. The successful candidate will initially be placed onto a … will apply hands-on skills in design and implementation of Automation and CI/CD based technologies. Key Responsibilities: Act as a Technical Automation Specialist within a globally operating Windows environment Administration of Windows Server & Operating Systems using YAML, Git, Ansible Tower, CI/CD Pipelines Deployment, implement, and maintain CI/CD pipelines (automation) Supporting automation within … Windows Server & Operating Systems using YAML, Git, Ansible Tower, CI/CD Pipelines Candidate Experience: In-depth knowledge of Windows Environments (Servers and OS) (Essential) Experience Administering: Windows Server & Operating Systems using YAML, Git, Ansible Tower, CI/CD Pipelines Hands-on experience with Automation and CI/CD technology, tools & products: e.g.Ansible/Ansible tower, Chef More ❯

Windows Systems Administrator (IIS) Godalming/WFH to £50k Do you have a strong knowledge of Windows Server? You could be progressing your career in a hands-on role at a successful software house.As a Windows Systems Administrator you'll be an integral part of a small team responsible for the company's technical infrastructure. … You'll have a broad range of responsibilities focusing on configuration and management of Windows Server 2019 - 2022, Windows Server IIS, Active Directory and Hyper-V. You will collaborate with the Head of Technical Operations and software engineering teams to implement code, monitor performance, assist with security maintenance for ISO27001, develop the existing disaster recovery procedures, write environment … one week in four, providing 24/7 cover (you'll get an additional 7% of your base salary pro-rata). About you: You have experience as a Windows Systems Administrator, with a strong knowledge of Windows Server 2019-22 and Windows IIS You have a strong knowledge of backup, recovery and security You have More ❯

Systems Administrator (Windows PowerShell) Godalming/WFH to £50k Do you have a strong knowledge of Windows Server? You could be progressing your career in a hands-on role at a successful software house. As a Systems Administrator you'll be an integral part of a small team responsible for the company's technical infrastructure. You … ll have a broad range of responsibilities focusing on configuration and management of Windows Server 2019 - 2022, Windows Server IIS, Active Directory and Hyper-V. You will collaborate with the Head of Technical Operations and software engineering teams to implement code, monitor performance, assist with security maintenance for ISO27001, develop the existing disaster recovery procedures, write environment documentation … one week in four, providing 24/7 cover (you'll get an additional 7% of your base salary pro-rata). About you: You have experience as a Windows Systems Administrator, with a strong knowledge of Windows Server 2019-22 and ideally also Windows IIS You have a strong knowledge of backup, recovery and security More ❯

Job Purpose The Trusted Research Environment (TRE) Systems Administrator is a key member of the College of Medical, Veterinary & Life Sciences (MVLS) Service team responsible for providing and supporting the Unit's IT Infrastructure. The postholder will be primarily responsible for managing and maintaining the physical and virtual Linux and Windows Server core infrastructure and responsible for systems … administration, user support, and development. Main Duties and responsibilities 1. Perform daily operations and maintenance tasks for Windows and Linux systems supporting TRE in a secure enterprise environment, ensuring high availability and performance of research services and infrastructure. 2. Manage TRE server infrastructure including liaising with Vendor Support (e.g., Dell, Broadcom, DataVita, Vyatta), Network Connectivity (University Information Services/… 4. Contribute to the creation, maintenance, and refinement of procedural documentation for key operational tasks 5. Interpret and adhere to procedural documentation for executing operational tasks related to both Windows and Linux operating systems, ensuring consistency, compliance, and system reliability. 6. Install, test and verify operating system patches, ensuring systems remain compliant and up to date with security and More ❯

We are partnered with a global brand that is searching for a Windows System Administrator . They specialize in building bespoke IT solutions for clients across multiple industries. Since its establishment, they have rapidly grown to become a household name within the industry and looking forward, aiming to solidify its position with its partners. The search for a … System Administrator is due to the growth of a team operating on a project with a key partner. This team is made up of DevOps, Automation and Software Engineers and to further develop the team they are looking for a specialist Windows System Administrator to supplement and complement the project. You come with experience in Windows Server environments and Windows based infrastructure, working in projects and having collaborated with Cloud and Software Engineers. Your Responsibilities: Oversee, optimise and maintain Windows Server environments Identify issues early and provide efficient solutions Ensure system updates, patches and backups are performed Closely collaborate with development teams to ensure best practice is followed Ensure compliance with security policies More ❯

Windows Systems Administrator (Mid-Level) Windows Server, VMware, Active Directory, AWS EC2 £40,000 - £45,000 2 Days per week in the Southampton office Mid-Level Windows Systems Administrator required to join a leading international Software Business committed to delivering high-performance IT solutions click apply for full job details More ❯

Windows Systems Administrator (Mid-Level) Interested in this role You can find all the relevant information in the description below. Windows Server, VMware, Active Directory, AWS EC2 £40,000 - £45,000 2 Days per week in the Southampton office Mid-Level Windows Systems Administrator required to join a leading international Software Business committed to delivering More ❯

We are partnered with a global brand that is searching for a Windows System Administrator . They specialize in building bespoke IT solutions for clients across multiple industries. Since its establishment, they have rapidly grown to become a household name within the industry and are looking forward to solidifying their position with its partners. The search for a … System Administrator is due to the growth of a team operating on a project with a key partner. This team is made up of DevOps, Automation, and Software Engineers, and to further develop the team, they are looking for a specialist Windows System Administrator to supplement and complement the project. You come with experience in Windows Server environments and Windows-based infrastructure, working on projects and having collaborated with Cloud and Software Engineers. Your Responsibilities: Oversee, optimise, and maintain Windows Server environments Identify issues early and provide efficient solutions Ensure system updates, patches, and backups are performed Closely collaborate with development teams to ensure best practices are followed Ensure compliance with security policies More ❯