Senior Unified Communications Engineer - Cloud

Reyes Holdings • Rosemont, IL • 1h ago

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, including IVR, ACD, WFM, CRM integrations, analytics, and reporting

Support AV and video collaboration integrations aligned with enterprise UC platforms

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

Own global call routing, resiliency, failover, DR, and capacity planning for voice and contact center environments

Other projects or duties as assigned

Required Education and Experience:

Bachelor's Degree in Computer Science, Information Technology, Engineering, or related field and 4 to 6 years of progressive experience in enterprise Unified Communications or High School Diploma/General Education Degree (GED) with 7 to 9 plus years of specific experience

Experience working in multi-vendor and hybrid environments (e.g., Cisco, Microsoft Teams)

Demonstrated experience leading enterprise or global cloud migration initiatives

Drive automation and standardization using scripting and configuration tools (e.g., Ansible, Terraform, Python, PowerShell)

Lead lifecycle management activities including patching, EOL/EOS refreshes, vulnerability remediation, and platform upgrades

Proven ability to lead technically, mentor engineers, and influence architectural decisions

Deep expertise with Webex Calling, Webex Contact Center, and cloud/hybrid UC architectures

Strong knowledge of SIP, RTP/SRTP, SBC configuration, PSTN design, and global voice routing

Advanced experience with Cisco UC technologies including CUCM, Unity Connection, UCCX/UCCE, Expressway, CUBE, and SIP-based carrier integrations

Strong knowledge of SIP, RTP/SRTP, SBC configuration, PSTN design, and global voice routing

Familiarity with security best practices for cloud migration

Preferred Education and Experience:

Bachelor's Degree

Cisco certifications such as CCNP Collaboration, CCIE Collaboration, or equivalent

Familiarity with ITIL-based service management and operational maturity models

Benefits

At the Reyes Family of Businesses, our Total Rewards Strategy prioritizes the holistic well-being of our employees. This position offers a comprehensive benefits package that includes Medical, Dental, Vision coverage, Paid Time Off, Retirement Benefits, and complimentary Health Screenings.

Equal Opportunity Employee & Physical Demands

Reyes Holdings and its businesses are equal opportunity employers. Company policy prohibits discrimination and harassment against any applicant or employee based on race, color, religion, sex, pregnancy or pregnancy-related medical conditions, marital status, sexual orientation, gender identity or expression, age, national origin, citizenship, disability, genetic information, military or veteran status, or any other basis protected by applicable law. In addition, the Company is committed to providing reasonable accommodation to applicants and employees in accordance with applicable law. Requests for accommodation should be directed to your point of contact in the Talent Acquisition or Human Resources departments.

Background Check and Drug Screening

Offers of employment are contingent upon successful completion of a background check and drug screening.

Pay Transparency

Our compensation philosophy embraces diverse factors for fair pay decisions, valuing skills, experience, and the needs of our business. Moreover, this role may have the opportunity to participate in a discretionary incentive program, subject to program rules.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation and gender identity, national origin, disability, or protected veteran status. Drug Free Workplace.

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