System Administrator (NATO Cleared)

• Herefordshire- United Kingdom (On-site with limited remote work)
• 10 May 2026 - 30 December 2026
• 38 hours per week (Monday-Friday, 09:00-17:00)
• Travel: 25-40% deployment required
• SC/DV Cleared required: NATO Secret can be added

About the Role

We are seeking a skilled and proactive System Administrator to support NATO. You will be responsible for maintaining and supporting critical IT infrastructure, ensuring systems remain secure, available, and fully operational in mission-critical conditions.

Key Responsibilities

• Support the deployment and transition of the IT systems
• Provide on-site, remote, and deployed technical support
• Administer Windows Server environments (Active Directory, DNS, Exchange
• Manage VMware infrastructure (ESXi, vCenter, upgrades, deployments
• Maintain SAN and NAS storage systems
• Perform backups and recovery in line with SLA/SOPs
• Manage certificates and system security
• Support iSCSI configurations
• Provide end-user support
• Maintain accurate technical documentation
• Troubleshoot and resolve system issues, including urgent deployments
• Work closely with technical teams to ensure service continuity

Requirements & Skills

• 3+ years' experience in enterprise system administration
• Strong experience with: Windows Server, Active Directory, Exchange & VMware (ESXi, vCenter)
• Experience with certificates and iSCSI
• Good understanding of ITIL practices
• Strong troubleshooting and problem-solving skills
• Ability to work in mission-critical environments
• Willingness to deploy at short notice
• Desirable: VMware (VCP) or Microsoft certification, ITIL Foundation certification, & Experience with automation tools, eg, Ansible

Additional Information

• Ability to work in demanding environments
• Must be fully deployable

This role offers the opportunity to work in a high-impact NATO environment, supporting critical IT systems and gaining experience with advanced enterprise infrastructure in a collaborative setting.