On-Site IT Network & Systems Administrator (UK) — Security-Focused

IDEMIA Public Security; Winnersh; On-site; GBP 45,000 - 60,000; Full time

Job summary

IDEMIA Public Security in Winnersh, United Kingdom, seeks a hands-on IT Network & System Administrator to maintain and improve the UK-site IT infrastructure. The role combines day-to-day IT support with installation, administration and maintenance of systems, servers, virtualization, networks and backups, ensuring reliable performance and service continuity.

You will work with local stakeholders and global teams, contribute to upgrades and projects, and comply with security standards and

Qualifications

• At least 5 years practical experience in systems or network infrastructure roles.
• Ability to troubleshoot both infrastructure and end‑user IT problems on site.
• Proactive, curious mindset with willingness to learn new technologies.
• Strong communication skills and service‑oriented approach.
• Right to work in the UK and ability to meet security clearance requirements.

Responsibilities

• Respond to on-site IT requests, set up laptops, install software, and support Microsoft 365.
• Maintain Windows and Linux systems, network devices, firewalls, storage, and backups.
• Diagnose incidents with global IT teams and vendors to restore services.
• Plan for service availability with redundancy, backup, and recovery arrangements.
• Collaborate with local and international IT teams on deployments and migrations.
• Follow IT governance, change management and proper documentation.

Skills

Windows systems administration

Linux systems administration

Networking

Storage administration

Virtualisation (VMware)

Backup and recovery (Veeam)

Tools

Cisco

Aruba

VMware

Veeam

Job description

IDEMIA Public Security in Winnersh, United Kingdom, seeks a hands-on IT Network & System Administrator to maintain and improve the UK-site IT infrastructure. The role combines day-to-day IT support with installation, administration and maintenance of systems, servers, virtualization, networks and backups, ensuring reliable performance and service continuity.

You will work with local stakeholders and global teams, contribute to upgrades and projects, and comply with security standards and