Senior Telecommunications Systems Engineer – SIP​/SBC​/NG; Secret Clearance

Our client is seeking a Senior Telecommunications Engineering Specialist to support deployment and integration of Ribbon/Sonus/Genband gateways
, Session Border Controllers
, and SIP interconnection engineering for mission‑critical voice systems. This role also supports E‑911/NG911 call routing
, PSAP integration
, and connectivity across federal emergency‑communications environments.

The position plays a key role in ensuring reliable emergency call delivery between gateway platforms, federal routing systems, and public safety answering points.

Onsite | No Visa Sponsorship | Relocation Assistance:
Yes

Work Schedule: Monday–Friday | 8:30AM-5:00PM (ET)

Please Note:
Candidates must hold an Active Secret clearance at the time of application

• Identify technical risks and recommend mitigation strategies.
• Deploy and integrate Ribbon Federal Edge / Sonus / Genband gateways.
• Support configuration, testing, and validation of Session Border Controllers.
• Analyze and resolve E‑911 call‑flow issues, including signaling and media path failures.
• Perform deployment validation, readiness assessments, and technical documentation.
• Engineer and troubleshoot SIP interconnections, policy routing, and interoperability between voice domains.

• Assist with issue resolution affecting gateway performance, SIP routing, and emergency call delivery.
• Coordinate technical activities related to E‑911/NG911 routing, location validation, and interoperability.
• Support integration and connectivity among gateway platforms, federal routing systems, and PSAP environments.

• Active Secret clearance.
• 5+ years of VoIP/SIP engineering.
• 10+ years telecommunications engineering experience.
• Bachelor's degree in Telecommunications, Engineering, IT, or equivalent experience.

• Hands‑on experience with:
  Ribbon / Sonus / Genband, Session Border Controllers, SIP signaling and interconnects, E‑911 or PSAP integration and Wireshark for packet‑level troubleshooting.

• Familiarity with DISA VISP.
• Cisco certifications (CCNP/CCIE)
• Experience with NG911 public safety communications.
• Experience supporting federal emergency‑communications programs or Army voice modernization.

• EAP
• 401(K) Plan
• Paid Time Off
• Paid Holidays
• Life insurance
• Bereavement Leave
• Disability Coverage
• Medical, Dental and vision