Sr. Cisco Voice Engineer
Tech
Oklahoma City Metropolitan AreOklahoma
Temp To Hire
Dec 15, 2025

We are seeking a seasoned Senior Voice Engineer to support and enhance a large-scale Cisco Voice and Unified Communications environment. This role focuses on the daily operation, monitoring, and optimization of enterprise voice and call center platforms while contributing to ongoing projects and long-term standards across voice and video technologies.

The engineer will play a hands-on role in troubleshooting, system health monitoring, collaboration with peer engineers, and ensuring consistent performance of critical communication systems supporting corporate users and operations.

Key Responsibilities

  • Oversee the daily operation, maintenance, and health monitoring of Cisco Voice and Unified Communications platforms, including CUCM, UCCX, and call center infrastructure

  • Proactively monitor servers, call flows, and system performance, identifying and resolving issues before they impact users

  • Manage configuration, deployment, and ongoing support of a multi-site Cisco VoIP and UC environment, including CUBE

  • Perform performance analysis, capacity planning, and utilization trending to improve reliability and scalability

  • Design, administer, and maintain UCCX solutions, including advanced scripting and call flow design

  • Support and manage multiple call center environments, leveraging tools such as Variphy

  • Review existing designs and configurations, recommending improvements to performance, quality, and resiliency

  • Collaborate with vendors, technicians, and internal teams to support voice and data network initiatives

  • Provide advanced (Level 4) technical guidance to field service teams and other engineers

  • Maintain core Voice and Video platforms, including lab environments used for testing and validation

  • Design, support, and maintain enterprise collaboration tools such as Microsoft Teams, Zoom, Webex, Cisco Jabber, IP phones, and video conferencing devices

Required Qualifications

  • 5–7+ years of experience supporting SIP-based voice environments

  • Hands-on expertise with Cisco Voice technologies, including CUCM, UCCX, and related hardware/software

  • Experience supporting Microsoft Teams, Zoom, and Webex calling and conferencing platforms

  • Proven ability to work independently in a high-visibility environment while knowing when to engage additional resources

  • Strong troubleshooting skills and a disciplined approach to incident resolution

Preferred Experience

  • Broader experience across complex Cisco Voice environments and softphone solutions

  • Familiarity with VMware-based infrastructures

  • Exposure to CX-One or similar call center platforms

  • Strong foundational knowledge of operating systems and supporting enterprise services

    No Sponsorships, No C2C

    This is a 3 month contract to hire position, with the conversion salary ranging between $100,000 - $140,000 based on experience and credentialing. 

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