Senior Infrastructure Administrator

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Job Description

This role ensures the health and evolution of our IT infrastructure estate.

You’ll manage both cloud and locally hosted environments.

Your future team will support national infrastructure across key engineering programmes.

• Manage endpoints, servers, mobile devices, and storage infrastructure
• Administer Azure environments, including provisioning and storage configurations
• Support Microsoft 365 tenant setup, licensing, and administration
• Deploy virtual machines and configure hypervisors across environments
• Troubleshoot Office 365 and mobile device technical issues
• Assist with cloud-based collaboration tools (PowerBI, GitHub, Azure DevOps)
• Maintain documentation for procedures, changes, and system states
• Monitor system performance and enforce IT compliance standards

Qualifications

Essential Skills

Desired Skills

Additional Information

Why You Should Apply

Be part of Assystem’s digital transformation, enabling secure and scalable systems that support critical UK energy missions. Your work will have real impact across low-carbon infrastructure projects shaping a sustainable future.

Benefits include :

We are committed to equal treatment of candidates and promote diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future.

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