Senior Voice Engineer

System One
Arlington, VA

Job Title: Senior Voice Engineer
Location: Arlington, VA
Type: Contract
Contractor Work Model: Hybrid – onsite and remote

Responsibilities

  • Configure, test, deploy, maintain, and troubleshoot cloud and on-premise telecom solutions and services
  • Monitor system performance and call quality, leading efforts to resolve performance issues
  • Integrate third-party applications with Teams Phone, Five9, and other County voice services
  • Assess impacts and risks of scheduled and unplanned service updates and alerts
  • Serve as a technical subject matter expert for large technical initiatives
  • Provide Tier 3 response and support for complex service impacting incidents and problems
  • Work closely with internal staff (security, network, AD) and managed service providers for solution implementation and issue resolution
  • Recommend, evaluate, develop, and implement new products to enhance service offerings
  • Lead the implementation of changes to existing solutions
  • Review and approve technical changes submitted through the formal change management process
  • Contribute to the development of long-term strategy
Requirements
  • 10+ years of telecommunications and networking experience with PSTN, VoIP, call centers, IVR, UCaaS, CCaaS, SIP, SBCs, QoS, cloud
  • Direct experience with Cisco Call Manager and Teams Phone
  • Preference for experience with Five9 or similar CCaaS product
  • Experience working in federal, state, or local government environments
  • Excellent troubleshooting and analytical skills
  • Strong collaboration and communication skills

Ref: #851-Rockville-S1

Posted 2026-06-05

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