Senior Voice / VoIP Engineer

Job Location: Philadelphia, PA, Mount Laurel, NJ, or Denver (Englewood), CO.

Position Overview:

Senior Voice / VoIP Engineer

We are seeking a senior-level Voice/VoIP Engineer with strong SIP fundamentals and the ability to independently design, troubleshoot, and support large-scale voice platforms.

Key Responsibilities

• Design and support SIP-based voice and VoIP solutions, including call center and IVR use cases
• Troubleshoot SIP signaling, media flows, and complex voice issues across systems
• Translate business requirements into technical voice and integration designs
• Operate with a high degree of autonomy, owning technical decisions and outcomes
• Collaborate closely with engineering teams during design, escalation, and certification efforts

Required Qualifications

• Strong hands-on expertise with SIP protocols, signaling, and media troubleshooting
• Solid Linux proficiency, including CLI-based system support and diagnostics
• Experience with VoIP platforms such as PBX systems, SIP trunking, or service provider voice environments
• Systems-level problem-solving skills across multiple components and technologies
• Basic scripting experience to support automation and operational efficiency

Preferred Experience

• SBC’s: Ribbon, Audiocodes. (e.g., Oracle/Acme Packet or comparable platforms)
• BroadWorks or similar carrier-grade voice platforms
• Exposure to Cisco voice technologies
• Experience supporting large-scale, multi-region or multi-country voice deployments