Senior IP Telephony Engineer (Remote)
United States of America
Full Time
3 weeks ago
$130,000 - $142,000 USD
H1B Sponsor Likely
Key skills
PowerShellCollaborationFirewall
About this role
First American Home Warranty is a company that prioritizes its people and offers a variety of home warranty products and services. The Senior IP Telephony Engineer is responsible for the engineering, reliability, security, and modernization of the enterprise voice and contact center telephony services, ensuring a smooth transition to modern VoIP and cloud communications.
Responsibilities:
- Own L3 escalation and root cause analysis for complex voice and contact center incidents
- Engineer and support SIP trunks, SBCs/voice gateways (e.g., CUBE, Ribbon, AudioCodes), dial plans, and carrier integrations
- Lead or materially contribute to migration efforts from legacy PBX/Avaya to modern VoIP/cloud platforms
- Design and maintain high availability and disaster recovery strategies for voice systems
- Support contact center telephony routing, time-of-day/holiday changes, and call delivery troubleshooting
- Partner with LAN/WAN teams to ensure QoS, segmentation, and real-time traffic optimization
- Implement secure voice architecture including SIP security, certificate management, and toll fraud prevention
- Interface with vendors and carriers for escalations and service changes while reducing third-party dependency
- Participate in on-call rotation and after-hours maintenance as required
Requirements:
- 6–10+ years of progressive enterprise voice/telephony engineering experience
- Experience supporting legacy PBX/Avaya environments
- Strong hands-on SIP troubleshooting and call flow analysis (signaling and media)
- Experience with SBCs and carrier SIP trunk integrations
- Strong understanding of networking fundamentals impacting VoIP (QoS, routing, switching, firewall/NAT)
- Experience with contact center telephony platforms (Cisco, Avaya, Genesys, Five9, or similar)
- Exposure to modern/cloud UC platforms (Microsoft Teams Voice, Webex Calling, Zoom Phone, RingCentral, etc.)
- Knowledge of VoIP security practices including TLS/SRTP and edge hardening
- CCNA required; CCNP Collaboration or Enterprise preferred (or equivalent experience)
- Automation/scripting exposure (PowerShell, APIs) is a plus