16 of 16 Security Administrator Jobs in the UK

integrity, we’re enthusiastic. we’re competitive and we just get it done – whatever the challenge. We’re looking for a Microsoft 365 & Security Infrastructure Administrator who loves building things properly. This role sits at the heart of our cybersecurity strategy, taking a clear security vision … driven management-at-scale model. KEY OUTCOMES FOR SUCCESS: Scalable Infrastructure: Transition from ad‐hoc management to a fully automated, policy‐driven environment. Proactive Security: Remediating security gaps before they are exploited, with a focus on long‐term stability. Metrics‐Driven Operations: Establishing a regular cadence of high ...

time access, govern service principals, managed identities and AI agent identities such as Copilot agents, and automate joiner/mover/leaver processes. Endpoint security (Intune): lead MDM and MAM across Windows, macOS, iOS and Android, maintain compliance policies, set up Windows Autopilot, macOS Automated Device Enrollment and Apple … Business Manager, and harden endpoints with BitLocker, FileVault, Firewall and ASR rules. Platform hardening: maintain security baselines across Exchange Online, SharePoint, OneDrive, Teams, Viva and Copilot, secure mail flow and OME, audit SPF, DKIM and DMARC, tune anti-phishing, malware and DLP, and prevent configuration drift. Azure tenant governance ...

Cellular Origins is hiring an IT Administrator to partner with the Head of IT and design, run and improve our technology stack. You’ll own a growing set of Microsoft 365 services, manage Windows devices with Intune, and help migrate and maintain our cloud and on-premise tools. … work across security-minded, scalable IT infrastructure in a fast-moving life sciences environment, with ownership of solutions and a path to influence IT strategy. #J-18808-Ljbffr ...

House is seeking an IT Administrator to manage day-to-day IT operations for a globally distributed workforce, in a Derby, UK office with some remote work. The role involves coordinating with HR for onboarding/offboarding, managing licenses, devices, and security policies. The ideal candidate ...

TwinStream is seeking a Senior IT Systems Administrator to take senior operational responsibility for the performance and resilience of our IT systems as the business grows. Working under the IT Technical Lead, you will lead complex deployments, manage cloud platforms, identity and access management, and ensure security, backup ...

Alfa AI is a recruiting company advertising this vacancy on behalf of a customer. Want to be the person who turns a cybersecurity strategy into a secure, automated Microsoft estate? This is a deep technical ...

Alfa AI is a recruiting company advertising this vacancy on behalf of a customer. Want to be the person who turns a cybersecurity strategy into a secure, automated Microsoft estate? This is a deep technical ...

Noriker Power Ltd is seeking a skilled IT Systems Administrator to maintain and improve the organisation's OT and Enterprise IT infrastructure. You will support Linux servers, Google Workspace, and cloud services while ensuring security and performance across systems and networks. You will troubleshoot complex issues, manage backups ...

Orange Logic seeks a Database Administrator to ensure 24/7 uptime, optimize performance, and safeguard data across systems. You will work with DevOps practices, design scalable schemas, and review code for efficiency. Strong PostgreSQL expertise and scripting ability are essential, with a preference for DBA certifications and independent … collaborative work style. The role emphasizes a remote-first culture, focusing on reliability, security, and continuous improvement within a growing DAM #J-18808-Ljbffr ...

Formula 1 is looking for a Systems Administrator to join the IT department and support the delivery of IT infrastructure across fixed sites, cloud environments and Grand Prix events. You will report to the IT Systems Manager and ensure systems are commissioned, maintained and operated to meet business ...

Systems & Applications Administrator at J.W. Pepper & Son, Inc. is responsible for the administration, maintenance, support, and continuous improvement of the organization’s server infrastructure, enterprise platforms, and business applications. You will work across Windows and Linux environments, virtualization, cloud services, and security practices, delivering reliable systems and timely ...

seeking a Zscaler Administrator to join our UK team, focusing on securing and optimizing enterprise Zero Trust access. You will manage ZIA/ZPA platforms, configure policies, and collaborate across cybersecurity, cloud, and network teams to deliver reliable, scalable secure connectivity. In this role, you will support Windows Server ...

small, remote IT team, reporting to the Head of IT. You will deliver hands-on IT support and gain exposure to endpoint management, security operations and automation. This is a great step for an early to mid-career IT professional who wants broad, modern skills across Microsoft 365, Intune ...

M.C. Dean is seeking a System Administrator 2 to join the Security and Electronic Systems (SES) unit. You will work on the Programming, Commissioning and Deployment team to configure physical security systems and provide occasional Tier 1 helpdesk support. Qualifications include 2+ years with a bachelor ...

M.C. Dean, Inc. is seeking a System Administrator 1 to join the Security and Electronic Systems (SES) unit. You will configure and maintain Physical Access Control, CCTV, PSIM and other electronic security solutions for federal, local, and commercial clients as part of a global team. The role ...

Formula One Management Limited in Biggin Hill seeks a Senior D365 Systems Administrator to maintain the D365 Finance & Operations environment, build integrations, and drive IT improvements across the business. You will collaborate with Finance, IT security, and operations to ensure scalable, compliant solutions. The role requires deep knowledge ...