Mission freelance Network & System Administrator (Level 2) – UK (Winnersh) – SC Cleared

We are looking for a Network & System Administrator (Level 2) to support and deliver a network infrastructure upgrade at the Winnersh site (UK), in alignment with group IT standards.
You will contribute to the design phase with multiple IT stakeholders and lead the implementation of the new architecture on-site.

• Resolve and document Level 2 IT tickets (incident/request)

• Support installation and maintenance of operating systems, software and applications following standards and processes

• Manage communication with internal users from request opening to resolution

• Coordinate with external providers/vendors ensuring compliance with company standards

• Manage IT assets: network devices, servers, licenses, desktops, printers

• Manage access to IT tools ensuring security compliance

• Support server infrastructure, virtualization, communications and security to ensure availability

• Monitor and manage VMware infrastructure

• Install, configure, test and maintain OS and system management tools

• Ensure high availability, security, backup, firmware upgrades and redundancy strategies

• Provide 2nd and 3rd level support, escalation and troubleshooting on complex topics

• Maintain documentation (procedures, working instructions, network diagrams)

• Provide user training and knowledge transfer to IT teams

• Propose improvements and contribute to IT projects (global scope)

• Work autonomously and report to IT Lead / IT Manager

• New infrastructure in production

• Updated network diagram