VoIP Engineer - SBC

Piper Companies is seeking a VoIP Engineer – SBC to join a federal program onsite at Scott Air Force Base, Illinois. This position involves advanced Session Border Controller (SBC) engineering, carrier-grade VoIP integration, and policy management using PSX for secure and reliable telephony services. The ideal candidate will bring extensive SBC experience from a carrier or large-scale enterprise environment and hold an active Secret Clearance.

Responsibilities for the VoIP Engineer - SBC:

• Act as an onsite engineering resource, delivering expert support for SBC and VoIP systems.
• Configure, implement, and maintain SBC platforms and PSX policy servers to enable SIP trunking, routing, and security.
• Perform carrier-level SBC integration tasks, including SIP normalization, header manipulation, and policy enforcement.
• Troubleshoot complex SIP-layer issues using packet captures, call flow analysis, and diagnostic tools.
• Assist with TDM-to-SIP migration projects, conduct lab testing for new SBC software/firmware, and validate interoperability.
• Collaborate with voice and network teams to ensure system reliability and compliance with federal standards.

Required Qualifications for the VoIP Engineer - SBC:

• 5+ years of experience in VoIP engineering and SBC deployment, preferably in carrier or enterprise environments.
• Strong understanding of SIP protocol, including interpreting SIP messaging and resolving call flow issues.
• Hands-on experience with SBC platforms and PSX policy server configuration.
• Familiarity with SIP trunking, routing policies, and carrier-grade interconnect requirements.
• Proficiency with packet capture tools (e.g., Wireshark) for SIP-layer troubleshooting.
• Must be U.S. work eligible and maintain an Active Secret Clearance.
• Knowledge of Cisco CUBE SBC, CUCM provisioning, and PSX systems.

Compensation & Benefits for the VoIP Engineer - SBC:

• Salary Range: $100,000 – $115,000 (depending on experience).
• Benefits: Medical, Dental, Vision, 401K, PTO, Sick Leave, and Holidays.

This job opens for applications on 1/26/2026. Applications will be accepted for at least 30 days from the posting date.

Keywords: VoIP Engineer, SBC Engineer, Ribbon SBC, PSX Policy Server, SIP Trunking, SIP Protocol, Carrier Integration, SIP Normalization, Packet Capture, Wireshark, TDM to SIP Migration, Secret Clearance