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Cisco Voice Engineer

Location: Remote
Compensation: Hourly
Reviewed: Thu, Sep 10, 2026
This job expires in: 29 days

Job Summary

Designing and optimizing enterprise voice infrastructure, the remote Cisco Voice Infrastructure Engineer will implement and maintain systems supporting a large-scale contact-center environment on a contract basis.

Key responsibilities
  • Design, support, and document Cisco voice architecture, ensuring resilient SIP and PSTN connectivity
  • Configure and maintain CUCM, CUBE, voice gateways, and related components for optimal performance
  • Troubleshoot complex voice issues and analyze SIP traces to resolve production incidents effectively
Required qualifications
  • Experience configuring and maintaining Cisco Unified Communications Manager (CUCM) and voice gateways
  • Deep technical understanding of SIP, RTP, PSTN, and Dial plans
  • Strong knowledge of network protocols, including QoS, DNS, TCP/IP, and TLS/SRTP
  • Experience with network troubleshooting and packet-analysis tools, such as Wireshark

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