Top Secret Cleared Voice Engineer

Zachary Piper Solutions is seeking a Top Secret Cleared Voice Engineer to join a premier federal contracting company based out of Pearl Harbor, HI. The Top Secret Cleared Voice Engineer is responsible for sustaining and troubleshooting a secure, resilient IP voice and video network, configuring Cisco, Juniper, Avaya, and SD-WAN components, and resolving complex SIP and network issues to ensure uninterrupted DISA Voice Services.

• Maintain and Support Voice Infrastructure:
  Perform engineering tasks to sustain and troubleshoot a large, resilient IP voice and video communications network, including system maintenance and capacity planning.
• Configure and Manage Network Components:
  Implement and manage calling search spaces, route plans, device profiles, and configure Cisco/Juniper routing, switching, and distributed firewall infrastructure.
• Configure and Maintain Avaya and SD-WAN Components:
  Ensure proper setup, integration, and ongoing maintenance of Avaya voice systems and SD-WAN network elements for secure, reliable connectivity.
• Analyze and Resolve Complex Issues:
  Diagnose and resolve SIP signaling, call-flow, remote site registration, and media problems; validate change requests and ensure accurate configurations.

• 2+ years of voice/SD-WAN, or Avaya support experience
• Active IAT II Certification is required (e.g., CompTIA Security+)
• Active Top Secret Clearance minimum is required

• Pay Rate: $75,000 - $80,000 (depending on experience and education)
• Benefits: Full benefits:
  Cigna Healthcare, Dental, Vision, 401k, PTO plan, certification reimbursement

This job opens for applications on 02/06/2026. Applications for this job will be accepted for at least 30 days from the posting date.

DoD 8750 certification, IAT Level II, Security+ CE, Cisco Unified Communications Manager (CUCM), Cisco Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC), Avaya Aura Application Server, SIP internetworking, call flow expertise, advanced fault analysis, routing, switching, security, large-scale voice implementations, Secret security clearance, IP voice and video communications, voice network management, video network management, data network management, WAN principles, system maintenance, capacity planning, configuration changes, documentation, calling search spaces, route plans, route partitions, route lists, device profiles, Cisco routing, Juniper routing, switching devices, distributed firewall infrastructure, technical policy development, SIP signaling, call-flows, remote site registration, signaling issues, media problems, fault analysis, voice subscribers, call handlers, call routing rules.