WINTEL Systems Administrator (Platform Manager)

DV Cleared WINTEL Systems Administrator (Platform Manager)
Location: London (On-Site)
Type: Contractor
Start Date: Jan 2026
End Date: TBC
Must be eligible and willing to go through high level security clearance

Our client, a reputable organisation supporting local government, is hiring for a dedicated WINTEL Systems Administrator (Platform Manager) to join a busy, professional team. This is an exciting opportunity to contribute to a critical live service network, supporting a range of hosted applications and ensuring seamless operations.

What you'll be doing:
. Maintain and support a Windows-based Live Service Network, including hosted applications.
. Provide Level 3 support and troubleshooting to resolve complex issues efficiently.
. Follow established configuration and change management policies to ensure smooth updates and modifications.
. Assist in maintaining network security across departments.
. Document processes, procedures, and work instructions to ensure clarity and compliance.
. Keep accurate records of network components, maintenance activities, and inventory using appropriate databases.
. Offer technical on-call support on a rotational basis (out of hours, 1 week in 3).

What you'll bring:
. Strong knowledge of Windows systems and network fundamentals.
. Experience running and maintaining a monthly security patching process.
. PKI knowledge to support secure communications.
. Ability to work well under pressure, prioritise critical tasks, and escalate incidents when needed.
. Excellent team player with a proactive approach to problem-solving.

Desired skills and experience:
. Understanding of handling sensitive information and maintaining a document library.
. Experience running environment checks and maintaining network security protocols.

Working pattern:
. Monday to Friday, with out-of-hours support on a 1 week in 3 basis.

Ideal candidates will be:
. Passionate about supporting and improving network environments.
. Confident in troubleshooting and providing technical support remotely and on-site.
. Committed to working collaboratively in a fast-paced environment.

If you're ready to make a difference and work on a vital network supporting diverse end users, this is your chance to shape your world and the way the world works. Apply now to join a dedicated team delivering impactful solutions.