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.

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