VoIP Engineer - SBC

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

• Act as 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.

• 5+ years of experience in VoIP engineering and SBC deployment, preferably in carrier or enterprise environments.
• Strong understanding of the SIP protocol, including interpreting SIP messages 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.

• Salary Range: $100,000 – $120,000 (depending on experience).
• Benefits:
  Medical, Dental, Vision, 401(k), PTO, Sick Leave, and Holidays.

• Seniority Level: Mid‑Senior
• Employment Type:
  
  Full‑time
• Job Function:
  Engineering and Information Technology
• Industries:
  Business Consulting and Services