Senior Systems Administrator - Cloud, Security & Infra Lead

Sanderson Government & Defence; Cambridge; On-site; GBP 60,000 - 80,000; Full time

Job summary

A central government organisation is seeking a skilled Senior Systems Administrator to provide advanced technical leadership across infrastructure, cloud, security, and systems operations. The ideal candidate will manage and optimise both on-prem and cloud-hosted systems, ensuring compliance with security standards. The role involves troubleshooting complex issues, conducting vulnerability management, and administering Microsoft 365 services. This is a full-time position located in Cambridge, offering a competitive day rate inside IR35.

Qualifications

• Experience managing and optimising on-prem and cloud-hosted systems.
• Proven track record in advanced system monitoring and troubleshooting.
• Expertise in enforcing security and compliance standards.

Responsibilities

• Manage on-prem and cloud systems effectively.
• Conduct vulnerability scanning and manage security controls.
• Administer Microsoft 365 services and manage identities.

Skills

Advanced technical leadership

System administration

Cloud management

Security compliance

Networking expertise

Troubleshooting

Tools

Microsoft 365

MS Entra ID

Vulnerability scanning tools

Job description

A central government organisation is seeking a skilled Senior Systems Administrator to provide advanced technical leadership across infrastructure, cloud, security, and systems operations. The ideal candidate will manage and optimise both on-prem and cloud-hosted systems, ensuring compliance with security standards. The role involves troubleshooting complex issues, conducting vulnerability management, and administering Microsoft 365 services. This is a full-time position located in Cambridge, offering a competitive day rate inside IR35.