Senior Windows Server Administrator

Salary: £70,000 - 70,000 per year

Requirements:

• Strong Windows Server experience
• Excellent troubleshooting ability
• Confidence investigating issues properly using tools such as event logs
• Understanding of Active Directory, Group Policy, replication, certificates and wider infrastructure dependencies
• Experience across one or more of the following would be useful: VMware, Hyper‑V or Azure Local
• Experience across one or more of the following would be useful: Citrix, SCCM / MECM, Exchange, Thycotic, Zabbix or other enterprise monitoring tools
• Experience working in agile environments would be useful
• Ability to travel within Europe without restriction when required

Responsibilities:

• Lead troubleshooting across Windows Server environments
• Act as our senior escalation point for complex infrastructure issues
• Support projects involving virtualisation and hyper‑converged infrastructure
• Contribute to our move from VMware towards Azure Local
• Work across server, storage, file, email and collaboration systems
• Help define technical priorities, improvements and roadmap activity
• Mentor other IT Administrators within our team
• Support security, resilience, capacity and regulatory requirements
• Research new technologies and recommend practical, cost‑effective solutions

Technologies:

• Active Directory
• Azure
• Citrix
• Hyper‑V
• Support
• Security
• VMware
• Windows
• Zabbix
• Cloud
• LESS
• Ruby

More:

We are a global technology business with a sizeable, established technology environment. We are hiring a Senior Windows Server Administrator to be our go-to escalation point for complex Wintel infrastructure issues. This is a hands‑on, office‑based role in Southampton, working on deep technical troubleshooting rather than routine runbook tasks. Current work includes a move from VMware towards Azure Local, alongside wider infrastructure integration across newly acquired sites. We offer a strong benefits package including up to 26 days holiday plus bank holidays, additional birthday and work anniversary days after probation, a 5% employer pension contribution, employee share purchase scheme, private medical cover, healthcare cash plan, Digital GP access, life assurance, income protection and critical illness cover. The interview process is two stages: an initial 30‑45 minute Teams call, followed by an onsite interview in Southampton.

last updated 36 week of 2026