Senior Windows Server Administrator

Spectrum It Recruitment Limited; Southampton; On-site; GBP 63,000 - 77,000; Full time

Benefits offered by this job

26 days holiday + bank holidays

Birthday and work anniversary days (on

5% employer pension contribution

Employee share purchase scheme

Private medical cover

Healthcare cash plan

Digital GP access

Life assurance

Income protection

Critical illness cover

Job summary

Spectrum It Recruitment Limited is seeking a Senior Windows Server Administrator for an office-based role in Southampton. You will be the go-to escalation point for complex Wintel infrastructure issues and drive deep technical troubleshooting beyond routine tasks.

The role includes supporting a move from VMware towards Azure Local, with broader infrastructure integration across new sites and a strong benefits package.

Qualifications

• Proven experience with Windows Server environments.
• Excellent troubleshooting skills.
• Ability to investigate issues using event logs.
• Solid understanding of AD, GPO, replication, certificates and infrastructure dependencies.
• Experience with VMware, Hyper-V or Azure Local is a plus.
• Experience with Citrix, SCCM/MECM, Exchange, Thycotic, Zabbix or other enterprise monitoring tools is beneficial.
• Experience working in Agile environments is advantageous.
• Willingness to travel within Europe as required.

Responsibilities

• Lead troubleshooting across Windows Server environments.
• Act as senior escalation point for complex infrastructure issues.
• Support projects involving virtualization and hyper-converged infrastructure.
• Contribute to 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 the team.
• Support security, resilience, capacity and regulatory requirements.
• Research new technologies and recommend practical, cost-effective solutions.

Skills

Windows Server

Troubleshooting

Event log analysis

AD/Group Policy

Replication

Tools

VMware

Hyper-V

Citrix

Azure Local

Exchange

SCCM/MECM

Thycotic

Zabbix

Job description

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