Job Description
Senior IT Systems Administrator
Location: Gloucestershire, UK (Hybrid working)
Employment Type: Full-time, Mid-Senior level
About the Opportunity
Sanderson is collaborating with a leading global technology organisation that delivers mission-critical services in secure environments for government and national security clients. The team is expanding and seeking a skilled Senior IT Systems Administrator to join a high-performance environment supporting critical infrastructure operations.
In this role, you’ll work across multiple teams to ensure stability, performance, and compliance across enterprise systems — maintaining secure IT environments and helping drive continual service improvement through innovation and best practice.
Key Responsibilities
* Provide 1st and 2nd line technical support across complex IT environments
* Monitor system performance to ensure uptime, reliability, and efficiency
* Develop, maintain, and update system documentation
* Implement and enforce operational standards, policies, and procedures
* Support compliance initiatives and internal process improvements
Essential Skills & Experience
1. Strong bac...