Senior SIP/VoIP Engineer – Mission-Critical Secure Voice

Pinkmoonconsulting; Winchester (VA); On-site; USD 140,000 - 200,000; Full time

Job summary

Pinkmoonconsulting seeks a senior Telecommunications Engineering Specialist to support a mission-critical Army Voice Modernization effort. The role emphasizes secure voice modernization, SIP interconnection, Ribbon Federal Edge deployment, and emergency communications that support life-safety operations.

You will work hands-on with VoIP, SIP signaling, SBCs, and integration with E-911/PSAP environments to ensure reliable emergency call routing across complex federal and Army networks.

Qualifications

• 10+ years of telecommunications engineering experience with 5+ years in VoIP/SIP engineering
• Hands-on experience with Ribbon Communications, Sonus, or Genband technologies
• Strong experience with SBCs, SIP signaling, SIP interconnects, and policy routing
• Experience with E‑911, PSAP integration, emergency call routing, or NG9‑1‑1 environments
• Ability to troubleshoot VoIP and network issues using Wireshark
• Active Secret security clearance required
• Bachelor’s degree in Telecommunications, Engineering, IT, or equivalent
• Must be legally authorized to work in the United States without visa sponsorship

Responsibilities

• Support Ribbon Federal Edge gateway deployment, integration, validation, and readiness activities
• Engineer SIP interconnections, policy routing, and secure voice connectivity across mission-critical systems
• Analyze and troubleshoot E-911 call flow issues involving VMOD, DISA VISP, and Army PSAP environments
• Identify technical risks, recommend mitigation strategies, and support issue resolution during deployment
• Coordinate with technical stakeholders to ensure reliable emergency communications integration

Skills

VoIP engineering

SIP engineering

Wireshark troubleshooting

Emergency communications

Security clearance

Education

Bachelor’s degree in Telecommunications, Engineering, IT, or equivalent

Tools

Ribbon Communications

Sonus

Genband

Session border controllers

Job description

Pinkmoonconsulting seeks a senior Telecommunications Engineering Specialist to support a mission-critical Army Voice Modernization effort. The role emphasizes secure voice modernization, SIP interconnection, Ribbon Federal Edge deployment, and emergency communications that support life-safety operations.

You will work hands-on with VoIP, SIP signaling, SBCs, and integration with E-911/PSAP environments to ensure reliable emergency call routing across complex federal and Army networks.