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Teams Telephony Engineer

Job in City Of London, Central London, Greater London, England, UK
Listing for: Sanderson Government & Defence
Full Time position
Listed on 2026-10-06
Job specializations:
  • IT/Tech
    IT Infrastructure, Network Engineer, IT Specialist
Salary/Wage Range or Industry Benchmark: 60000 - 80000 GBP Yearly GBP 60000.00 80000.00 YEAR
Job Description & How to Apply Below

Teams Telephony Engineer
London-Hybrid
SC required

Working within a highly secure defence setting, you will play a key role in designing, implementing and supporting modern telephony and collaboration solutions while ensuring the stability, security and resilience of critical infrastructure services.

Key Responsibilities
  • Design, deploy and support Microsoft Teams Telephony and Voice solutions.
  • Lead infrastructure and collaboration technology work streams across complex defence projects.
  • Provide expert-level troubleshooting, fault diagnosis and resolution for telephony and infrastructure services.
  • Ensure service delivery meets demanding SLAs and operational requirements.
  • Work within strict governance, security and change management processes.
  • Contribute to service improvement initiatives, increasing supportability and reducing operational costs.
Essential Skills & Experience
  • Active SC Clearance
    .
  • Strong experience with Microsoft Teams Voice
    , Direct Routing, SIP, VoIP and Unified Communications technologies.
  • Extensive experience supporting and managing enterprise infrastructure environments.
  • Advanced technical troubleshooting and problem-solving capabilities.
  • Experience with technologies such as virtualization, messaging platforms, Windows infrastructure, file/print services and enterprise collaboration tools.
  • Proven experience leading technical projects or work streams using recognised methodologies such as PRINCE2 or PMI
    .
  • Experience operating within highly regulated, secure environments with robust governance controls.
  • Strong understanding of service management and working to challenging SLA targets
Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

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