Senior System Administrator
Senior Systems Administrator (Azure)
Location: Oxfordshire
Hybrid working model (one day per week on-site)
Salary: £40,000 - £50,000
Contract: Full-time, Permanent
A large, purpose-led organisation is looking for a Senior Systems Administrator with strong Azure and infrastructure experience to support, secure, and optimise resilient cloud services within a compliance-driven environment.
Key responsibilities:
- Building, supporting, and maintaining Azure infrastructure (IaaS/PaaS)
- Ensuring security, compliance, and resilience across platforms, including vulnerability management and security hardening
- Managing hybrid Azure / on-prem environments and Entra ID
- Supporting backup, disaster recovery, and failover processes
- Monitoring and responding to security alerts, vulnerabilities, and system events
- Supporting audits and compliance activities (PCI, Cyber Essentials)
- Identifying opportunities to optimise cloud performance and cost efficiency
- Contributing to documentation, runbooks, and continuous service improvement
- Working within ITIL-aligned service management environments
What we’re looking for:
- Proven experience in a senior infrastructure / sysadmin role
- Strong hands-on Azure experience
- Solid security experience, including vulnerability management and endpoint protection (e.g. Microsoft Defender)
- Experience with automation and scripting (PowerShell)
- Strong server administration across Windows/Linux environments
- Experience working in compliance-driven environments and supporting audits
- Confident communicator in a global operating environment
Nice to have:
- Azure certifications
- Infrastructure as Code (IaC)
- Advanced cloud networking
- Intune / endpoint management (Autopilot)
- SIEM tools (e.g. Sentinel)
- ITIL certification / ServiceNow experience
This is a great opportunity to join a stable organisation with a modern Azure platform and a strong focus on security, compliance, and reliability.
If this looks like this role could be suitable for you please do apply and I will be in touch as soon as possible.