Senior IP Telephony Engineer
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Job Description
Senior IP Telephony Engineer at First American managing enterprise voice systems and transitioning to modern VoIP platforms. Responsible for enhancing reliability and security of telephony services.
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).
- CCNA required; CCNP Collaboration or Enterprise preferred (or equivalent experience).
- Automation/scripting exposure (PowerShell, APIs) is a plus.
Benefits:
- medical
- dental
- vision
- 401k
- PTO/paid sick leave
- employee stock purchase plan
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