Senior Voice Engineer

Core BTS

Senior Voice Engineer responsible for Cisco voice solutions including implementation and optimization. Supporting clients in North America with a focus on high availability and performance.

Posted 6/4/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $85,000 - $105,000 per yearWebsite

Tech Stack

Tools & technologies

CloudPythonTCP/IPUnity

About the role

Key responsibilities & impact

Responsible for the administration, support, implementation, and ongoing optimization of Cisco-based voice and Unified Communications
Support multiple customer environments with strong technical expertise
Ensure high availability, performance, and customer satisfaction across voice and contact center platforms
Collaborate with NOC, engineering, and service delivery teams to meet SLAs and customer expectations
Provide operational support for Cisco Unified Communications platforms
Configure and support Cisco Unified Communications Manager (CUCM), Unity Connection, gateways, and SIP integrations
Troubleshoot complex voice, call routing, and QoS issues across LAN/WAN environments
Create and maintain technical documentation, standard operating procedures, and network diagrams
Participate in customer onboarding, migrations, upgrades, and platform lifecycle management

Requirements

What you’ll need

5+ years of experience supporting Cisco voice and collaboration solutions
Proven experience working in a managed services environment supporting multiple customers
Hands‑on experience with CUCM, Webex Contact Center, Cisco UCCX, InformaCast, and CUBE
Strong experience with Cisco CUCM, Unity Connection, SIP, and voice gateways
Working knowledge of Webex Calling PSTN models
Solid understanding of networking fundamentals including TCP/IP, QoS, VLANs, and WAN technologies
Strong analytical, troubleshooting skills, documentation and ability to resolve complex, multi‑layer issues
Excellent written and verbal communication skills
Experience with Cisco Webex Calling Dedicated Instance or hybrid Cisco cloud voice deployments
Experience with Microsoft Teams Phone or hybrid Cisco and Microsoft collaboration environments
Familiarity with monitoring and alerting tools such as LogicMonitor, BigPanda, Control Hub analytics
Experience using Wireshark, packet captures, Cisco RTMT, Control Hub troubleshooting
Exposure to automation or scripting such as PowerShell or Python
Prior experience working for a Managed Services Provider (MSP), NOC, or outsourced IT support organization
CCNA or equivalent Cisco voice, network or collaboration experience
CCNP Collaboration, Webex Calling, Webex Contact Center, or cloud voice training

Benefits

Comp & perks

Health, Vision, and Dental Insurance
Life Insurance
Health/Dependent Care Flexible Spending
401(k) Plan
Short-Term and Long-Term Disability Coverage
Generous Vacation and Flex Time Off Programs
Company Paid Holidays
Training and Development Opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Cisco Unified Communications Manager (CUCM)Unity ConnectionSIPvoice gatewaysWebex Contact CenterInformaCastCUBEnetworking fundamentalsTCP/IPQoS

Soft Skills

analytical skillstroubleshooting skillsdocumentation skillscommunication skillscollaboration skills

Certifications

CCNACCNP CollaborationWebex Calling trainingWebex Contact Center training