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T-Mobile Logo T-Mobile · IT - Software Development

Sr. Enterprise Collaboration Engineer

United States, Bellevue Employment contract 98500.00 - 177700.00 USD / Year · Job Posted June 30, 2026
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Job Description

At T-Mobile, we invest in YOU!  Our Total Rewards Package ensures that employees get the same big love we give our customers.  All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That’s how we’re UNSTOPPABLE for our employees!

Job Responsibility

  • Maintaining the operational integrity, efficiency, and dependability of enterprise-level collaboration and productivity platforms
  • Own the full lifecycle of enterprise conferencing and telephony platforms, Microsoft Teams Rooms and Cisco Webex
  • Coordinating room readiness across T-Mobile WA HQ and worldwide sites
  • Administer Cisco Webex Control Hub and manage Webex room systems including codecs, Navigator touch panels, Room Kits, and Boards
  • Configure and manage Cisco hardware including codec pairing, room navigator integration, and Appspace playlist management on Cisco devices
  • Troubleshoot conference room AV issues including audio routing, amplifiers, speakers, displays, cameras, and presentation sharing
  • Microsoft Teams Rooms (MTR): deployment, configuration, troubleshooting, and Pro license management
  • Own and maintain test room environments used to validate MTR deployments prior to production rollout
  • Own room device lifecycle including provisioning, cert-based authentication, firmware lifecycle management, and hardware troubleshooting for MTR-compatible and hardware-upgrade rooms
  • Interface with vendors and TAM contacts on firmware updates, admin agent releases, and device certification issues
  • Coordinate with Facilities, CRE, and hardware vendors to scope, schedule, and validate room readiness at T-Mobile WA HQ and worldwide sites
  • Administer Microsoft Teams policies, meeting settings, calling configurations, and Teams Rooms accounts in the Teams Admin Center and Teams Rooms Pro Management portal
  • Support Microsoft Teams large meetings, live events, and webinars including configuration and troubleshooting
  • Support Operator Connect including SIP phone configuration, call queue management, and E911 compliance
  • Manage Teams phone evaluations and coordinate with telephony vendors on Direct Routing and Operator Connect initiatives
  • Manage resource accounts for room mailboxes (Exchange Online + Teams) and maintain credential vaulting via CyberArk
  • Apply Entra ID (Azure AD) fundamentals including identity management, conditional access policies, and service account governance
  • Perform incident triage and root cause analysis for systems, applications, executive and event-space rooms
  • Collaborate with other team members to ensure alignment with business requirements and objectives
  • Research and evaluate new technologies and processes that can enhance the systems and applications
  • Create, manage, and use dashboard for monitoring applications, and the underlying infrastructure, improve the quality of services using the monitoring feedback
  • Contributes to future improvement of application delivery processes and operations
  • Author technical documentation and knowledge base articles for platform processes
  • Own and resolve ServiceNow tickets in the queue
  • On-call rotation

Requirements

  • 4-7 years Relevant experience
  • 4+ years of Microsoft Teams Room or Cisco Webex Conferencing experience
  • Microsoft Teams administration experience including meetings, calling, policies, licensing, and tenant configuration
  • Video/Voice and conferencing systems including Microsoft Teams Rooms, Cisco Webex room systems (codecs, Room Kits, Boards, Navigator touch panels), and conference room AV
  • Cisco Webex Control Hub administration and Cisco Webex room systems (codecs, Navigator touch panels, Room Kits, Boards)
  • Teams calling: Operator Connect, Direct Routing concepts, and E911 configuration
  • Microsoft Teams Admin Center and Teams Rooms Pro Management portal administration
  • Knowledge of Active Directory and Entra ID (Azure AD) including identity management, conditional access, and service account administration
  • PowerShell experience
  • Experience or proven understanding of Gen AI
  • Excellent verbal and written communication skills, able to speak directly and professionally
  • Strong analytical and organizational skills
  • Excellent problem-solving ability
  • Bachelor's Degree plus 5 years of related work experience OR advanced degree with 3 years of related experience
  • At least 18 years of age
  • Legally authorized to work in the United States

What we offer

  • Competitive base salary and compensation package
  • Annual stock grant
  • Employee stock purchase plan
  • 401(k)
  • Access to free, year-round money coaches
  • Medical, dental and vision insurance
  • Flexible spending account
  • Paid time off and up to 12 paid holidays
  • Paid parental and family leave
  • Family building benefits
  • Back-up care
  • Enhanced family support
  • Childcare subsidy
  • Tuition assistance
  • College coaching
  • Short- and long-term disability
  • Voluntary AD&D coverage
  • Voluntary accident coverage
  • Voluntary life insurance
  • Voluntary disability insurance
  • Voluntary long-term care insurance
  • Mobile service & home internet discounts
  • Pet insurance
  • Access to commuter and transit programs
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