Senior IT Engineer – Managed Services

About the role

Our client, a leading managed service provider, is looking for a Senior IT Engineer to lead client onboarding, handle complex support issues and act as a bridge between the helpdesk and new client partnerships. You will work on‑site with customers across the UK, delivering migrations, cloud and on‑prem infrastructure support while ensuring smooth transitions and high‑quality documentation.

Key responsibilities

• Lead end‑to‑end onboarding projects for new clients, from site visits to system migrations.
• Serve as an escalation point for complex 3rd‑line issues.
• Conduct on‑site client audits and technical assessments.
• Support the helpdesk with advanced troubleshooting and mentor junior staff.
• Manage and monitor client infrastructure across cloud and on‑prem environments.
• Document systems, processes and technical insights for the wider team.
• Coordinate connectivity and VoIP setups with third‑party providers.
• Contribute to process and policy improvements with a security‑first mindset.

Required profile

• Valid UK driving licence and willingness to travel and stay overnight across the UK.
• Extensive IT support experience, including onboarding and migrations.
• Collaborative leadership approach and strong client communication skills.
• Ability to juggle multiple priorities and solve complex technical challenges.

Required skills

• Microsoft 365 suite (Intune, Purview, Security, Azure, Entra).
• Working knowledge of GDPR, ITIL‑aligned systems and security best practices.
• Experience with cloud and on‑prem infrastructure management.
• VoIP setup and connectivity coordination.

What we offer

• Extra annual leave.