Senior Systems Engineer (Leeds)

Senior Systems Engineer (Leeds)

Location: London or Leeds

Hybrid working – 3 to 4 days a week; expectation will be for the first month to be in office.

About The Role

We’re looking for a Senior Systems Engineer to take ownership of our modern cloud environment and lead key infrastructure projects. This is a hands‑on technical role where you’ll design and deliver practical solutions across Microsoft 365, Azure/Entra ID, and core infrastructure, while helping us retire legacy systems. You’ll act as a role model for junior engineers and play a pivotal part in shaping our technology roadmap.

What You’ll Do

• Lead administration and optimisation of Microsoft 365, Entra ID/Azure AD, Conditional Access, PIM, Intune, Autopilot and other cloud services.
• Drive infrastructure modernisation, including retirement of legacy AD, SMB and virtualisation workloads.
• Act as the senior escalation point for complex incidents, providing structured troubleshooting and root cause analysis.
• Own delivery of technical projects end‑to‑end, including identity uplift, passwordless rollout, security improvements, automation and SaaS integrations.
• Produce and maintain technical standards, architecture notes, runbooks and post‑incident reviews.
• Mentor junior engineers and collaborate across teams to ensure solutions are secure, scalable and aligned to business needs.

What We’re Looking For

• Strong experience with Microsoft 365 and Azure/Entra ID administration.
• Solid understanding of identity, access governance and security controls.
• Proven ability to deliver technical projects end‑to‑end.
• Skilled in Intune, Autopilot and modern device management.
• Good networking fundamentals (routing, VPN, Wi‑Fi).
• Competent in PowerShell scripting for automation and tooling.
• Clear communicator with a calm, methodical approach to problem‑solving.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Other

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