3rd Line Engineer, M365, MSP, Hybrid, Azure I am looking for an experienced 3rd Line Support Engineer to join a growing Managed Services team, acting as the senior escalation point for complex technical issues across a diverse client base. This position combines deep technical troubleshooting with proactive service improvement, customer engagement, technical leadership and mentoring. You'll play a key role in resolving high-impact incidents, conducting technical health checks and audits, and helping customers get the most from their Microsoft cloud and infrastructure environments.
Key Responsibilities
Act as the final escalation point for complex technical incidents and service requests.
Lead major incident investigations and root cause analysis activities.
Deliver technical audits, health checks and best-practice assessments across client environments.
Support and maintain Microsoft 365, Azure, Windows Server and Active Directory platforms.
Identify technical risks and recommend improvements to increase resilience, security and performance.
Produce clear technical documentation and customer-facing reports.
Provide technical guidance and mentoring to 1st and 2nd Line Engineers.
Contribute to service improvement initiatives, operational standards and knowledge sharing.
Skills & Experience Proven experience in a 3rd Line Support Engineer or Senior Infrastructure Engineer role.
Strong Microsoft 365 knowledge including Exchange Online, Teams, SharePoint, Entra ID and Intune.
Experience supporting Azure environments, Windows Server and Active Directory.
Solid understanding of networking fundamentals including DNS, DHCP, TCP/IP and VPN technologies.
Good understanding of endpoint management and IT security best practices.
Experience working within ITIL-led service environments and using ITSM platforms.
Strong troubleshooting, analytical and problem-solving skills.
Excellent written and verbal communication skills with a customer-focused approach.
3rd Line Engineer, M365, MSP, Hybrid, Azure
3rd Line Engineer in London employer: MCGREGOR BOYALL ASSOCIATES LIMITED
As a Senior Network Security Engineer at our global financial services firm, you will thrive in a dynamic and inclusive work culture that prioritises innovation and collaboration. We offer competitive benefits, ongoing professional development opportunities, and the chance to work with cutting-edge technologies in a supportive environment that values your expertise and contributions. Join us to be part of a team that is dedicated to delivering secure and resilient network solutions while fostering your career growth.
Contact Details:
MCGREGOR BOYALL ASSOCIATES LIMITED Recruitment Team
