Senior Unified Communications Engineer - Cloud

Reyes Holdings
📍 Rosemont, IL, United States 💼 Full-time 🕒 Posted June 29, 2026

Job Description

Position Responsibilities:

+ Provide end-to-end technical ownership and accountability for enterprise UCaaS and CCaaS platforms, including Webex Calling and Webex Contact Center

+ Lead the architecture, design, and execution of large-scale cloud migrations, transitioning from on premise Cisco UC (CUCM, Unity, UCCX/UCCE) to cloud-based solutions

+ Design, implement, and maintain SIP gateways, Cisco CUBE SBCs, PSTN integrations, and E911 services (Cisco Emergency Responder, RedSky, Intrado)

+ Define and enforce enterprise standards, reference architectures, and best practices for cloud, hybrid calling, SBCs, and carrier connectivity

+ Develop and maintain architecture diagrams, migration plans, risk assessments, runbooks, and operational documentation

+ Provide technical leadership and mentorship to engineers, acting as an escalation point and subject-matter expert

+ Lead contact center architecture and integrations, includin...

Ready to Apply?

Submit your application today and join our talented team at Reyes Holdings.

Submit Application

Job Details

  • Location Rosemont, IL
  • Job Type Full-time
  • Category other-general
  • Posted Date June 29, 2026
  • Application Deadline July 04, 2026