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IP Telephony Engineer

Zachary Piper Solutions, LLC

Today
Secret
Unspecified
Unspecified
Fort Belvoir, VA (On-Site/Office)
Piper Companies is seeking an IP Telephony Engineer to support a leading telecommunications company and assist with the migration from legacy TDM systems to modern VoIP/SIP technologies. The ideal IP Telephony Engineer must have an active Secret clearance and will be onsite in Fort Belvoir, VA 5 days per week.

Responsibilities for the IP Telephony Engineer:
  • Provide operational support for telephony systems across legacy TDM and IP-based voice environments.
  • Assist with the transition of traditional telephony infrastructure to VoIP/SIP platforms.
  • Participate in lab testing, system validation, and deployment activities to ensure readiness for production environments.
  • Collaborate with engineering teams to ensure seamless integration and optimal performance of voice services.

Qualifications for the IP Telephony Engineer:
  • 5+ years of experience in telephony or network engineering supporting enterprise-level voice systems.
  • Must be a U.S. citizen with an active Secret clearance.
  • Strong knowledge of TDM telephony and VoIP/SIP protocols.
  • Hands-on experience with telephony migrations, troubleshooting, and system upgrades.
  • Compliance with DoD 8140 and possession of CompTIA Security+ certification.

Compensation/Benefits for the IP Telephony Engineer:
  • Salary Range: $95,000 - $115,000 annually (based on experience).
  • Comprehensive Benefits: Medical, Dental, Vision, 401K, PTO, Sick Leave (as required by law), and Holidays.

This job opens for applications on 10/17/2025. Applications will be accepted for at least 30 days from the posting date.

Keywords: IP Telephony Engineer, VoIP, SIP, TDM Migration, DoD 8140, CompTIA Security+, Secret Clearance, Fort Belvoir, Onsite, Unified Communications, Voice Systems Engineer

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About Us
Zachary Piper Solutions is a National Security focused technology services and consulting firm with a top-secret facility clearance. We support mission-critical initiatives on behalf of the Intelligence Community, Department of Defense, Department of Homeland Security, Department of Justice, Department of State, and a variety of Civilian Agencies. ZPS is dedicated to help protect government networks against cyber threats and to maximize the wide-spectrum of intelligence and security-related technologies. Our dedicated support and proven experience drive results in support of our client’s mission objectives.
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