About this role

Monitor and resolve server and network issues to keep our systems performing at their best.
Own patching, Group Policy, and core platform maintenance.
Deploy and manage Microsoft Defender, Sentinel, and other security tooling.
Analyse security alerts, investigate incidents, and drive continuous improvement.
Run security audits, risk assessments, and help develop modern, practical security policies.
Work with internal teams to deliver secure, compliant solutions across the business.
Support platform‑related projects and act as a technical escalation for the Service Desk.
Build strong relationships with external partners and guide Systems Engineers when required.

5+ years’ experience in a Senior IT Infrastructure or similar role.
Hands‑on experience with Microsoft Defender, Intune, and at least 3 years with Microsoft Sentinel.
Strong understanding of network protocols, firewalls, and core security technologies.
Solid experience with Nutanix hyperconverged solutions and Microsoft SQL.
A strong grasp of IT policy frameworks, risk management, and compliance best practices.
Proven capability in cloud security and risk mitigation.
Excellent communication, analysis, and problem‑solving skills.
The ability to work independently, collaborate effectively, and support wider teams.
A relevant degree in Computer Science, IT, or related discipline.
Bonus: Microsoft security certifications such as SC‑200, SC‑300, SC‑400, SC‑900, or MAZ‑500.

Senior Systems Engineer

Key skills