PMCTelecommunications Engineering Specialist; Winchester, VA; Onsite

Our recruitment firm is representing a growing organization seeking a senior Telecommunications Engineering Specialist to support a mission‑critical Army Voice Modernization effort. This is a high‑impact opportunity for an experienced telecom engineer who wants to work on secure voice modernization, SIP interconnection, Ribbon Federal Edge deployment, and emergency communications systems that support life‑safety operations. This role is ideal for a hands‑on engineering professional with deep VoIP, SIP, Session Border Controller, and E‑911 or PSAP integration experience.

The selected candidate will help ensure reliable emergency call routing and secure voice connectivity across complex federal and Army communications environments.

• 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.

• 10+ years of telecommunications engineering experience, including 5+ years in VoIP/SIP engineering.
• Hands‑on experience with Ribbon Communications, Sonus, or Genband technologies.
• Strong experience with Session Border Controllers, 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 experience.
• Must be legally authorized to work in the United States without current or future visa sponsorship.

This is not a routine telecom support position. You will contribute directly to secure communications modernization and emergency call routing capabilities that support defense readiness and public safety. For a senior engineer who thrives in technically complex, mission‑driven environments, this role offers the chance to make a tangible impact where reliability, security, and precision matter most.

If you are a senior telecommunications engineer with deep VoIP/SIP expertise, an active Secret clearance, and the ability to support mission‑critical emergency communications on site in Winchester, VA, we would like to hear from you!