Sr. Telephony Engineer

First American • Santa Rosa, NV

1d

About The Position

The Senior IP Telephony Engineer is responsible for the engineering, reliability, security, and modernization of FAHW’s enterprise voice and contact center telephony services. This role supports the current legacy/Avaya environment while leading the transition toward a modern, scalable VoIP and cloud or hybrid communications platform. This position also serves as the senior escalation point (L3) and works closely with Network, Security, and Contact Center teams to ensure highly available and secure voice operations.

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.

Nice To Haves

• 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.

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.

Benefits

• medical
• dental
• vision
• 401k
• PTO/paid sick leave
• employee stock purchase plan

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 5,001-10,000 employees