Line 3 Support Technician- London

• Act as the final escalation point for complex, high‑impact issues affecting Microsoft Teams collaboration and calling services, ensuring rapid resolution within a highly regulated banking environment.
• Provide expert‑level support for Microsoft Teams architecture, including tenant configuration, governance, Teams Phone, Direct Routing, SBCs, and PSTN integrations.
• Monitor, analyse, and troubleshoot deep technical issues by interpreting logs, telemetry, service health data, and platform signals to ensure stability, performance, and security.
• Collaborate closely with L2 support, infrastructure, security teams, engineering, and Microsoft Premier/Unified Support to resolve systemic issues and drive continuous service improvement.
• Maintain platform compliance and operational excellence, supporting Microsoft 365 services beyond Teams (Exchange Online, SharePoint Online, OneDrive) and delivering reliable support for a global 24/7 user base.

• Strong, hands‑on experience supporting Microsoft Teams at 3rd‑line level in a large enterprise environment.
• Deep understanding of Microsoft Teams architecture and services, including tenant configuration, policies, governance, Teams Phone, calling plans, Direct Routing, SBCs, and PSTN integration.
• Strong analytical and problem‑solving skills, with the ability to interpret logs, telemetry, and service health data.
• Experience supporting Microsoft 365 services beyond Teams (Exchange Online, SharePoint Online, OneDrive).
• Exposure to security, compliance, or electronic communications governance within financial institutions.
• Experience supporting globally distributed users in a 24/7 production environment.
• Prior experience working directly with Microsoft Premier / Unified Support.

We are a business and technology consultancy and one of the UK's leading graduate employers, recruiting the brightest talent to become the innovators of tomorrow. We have centres across Europe, North America and Asia-Pacific, and a global workforce of over 2,500 employees. FDM has shown exponential growth throughout the years, firmly establishing itself as an award-winning employer and is listed on the FTSE4Good Index.

Diversity and Inclusion

FDM Group is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, national origin, age, disability, veteran status or any other status protected by federal, provincial or local laws.

Why join us:

• Career coaching, mentoring and access to upskilling throughout your entire FDM career
• Assignments with global companies and opportunities to work abroad
• Opportunity to re-skill and up-skill into new areas, develop non-linear career paths and build a skillset within your field
• Annual leave and work-place pension