Senior 3rd Line Engineer

Our client, a growing, technically driven MSP that’s investing heavily in automation and next generation technology require a Senior 3rd Line Engineer. This is a pivotal role within the company and will require someone who can provide solutions for complex 3 rd line issues whilst mentoring other team members within the support team. The role is offered with a hybrid working pattern and is based at the company’s offices which are easily accessible for the Barnet/Watford areas. Key responsibilities • Act as the top-tier escalation point for complex incidents • Lead the rollout + optimisation of NinjaOne RMM (automation, alerting, remediation scripting) • Own M365, Intune, Conditional Access, hybrid Exchange, and Azure AD/Entra • Mentor engineers in diagnostic methodology • Work closely with technical leadership—no non-technical managers blocking decisions Role requirements: • Must have 3 rd line experience within an MSP • Expert M365 (CA, Intune, hybrid Exchange, ATP) • Strong troubleshooting methodology • Confident communicator at all levels • Full Microsoft Certificates desirable • NinjaOne/Datto RMM config • Azure infrastructure • Firewalls (Fortinet, SonicWall, Draytek) • Solid PowerShell skills The role is offered with a salary of between £55,000 - £65,000 + £3k annual certificate budget plus competitive benefits.