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

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• Act as the top-tier escalation point for complex incidents
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• Lead the rollout + optimisation of NinjaOne RMM (automation, alerting, remediation scripting)
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• Own M365, Intune, Conditional Access, hybrid Exchange, and Azure AD/Entra
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• Mentor engineers in diagnostic methodology
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• Work closely with technical leadership—no non-technical managers blocking decisions
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Role requirements:

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• Must have 3 rd line experience within an MSP
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• Expert M365 (CA, Intune, hybrid Exchange, ATP)
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• Strong troubleshooting methodology
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• Confident communicator at all levels
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• Full Microsoft Certificates desirable
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• NinjaOne/Datto RMM config
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• Azure infrastructure
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• Firewalls (Fortinet, SonicWall, Draytek)
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• Solid PowerShell skills
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The role is offered with a salary of between £55,000 - £65,000 + £3k annual certificate budget plus competitive benefits.