Sr. VoIP Communications Engineer

ID
2025-24322
Category
Program/Project Management
Location : Location
US-CA-San Diego
Min
USD $120,000.00/Yr.
Max
USD $150,000.00/Yr.
Minimum Clearance Required
Public Trust (NAC)
Travel Requirement
10% - 25%

Overview

SR. VoIP COMMUNICATIONS ENGINEER (PACMED):

 

Bowhead seeks a Sr. VoIP Communications Engineer to assist in designing, deploying, and securing advanced unified communications solutions built on a ZuluCall/Comms platform for military medical treatment facilities in the pacific Region. This role will support DHA, and federal health-care environments operating modern SIP-based voice, messaging, and video communications. The ideal candidate has deep SIP/VoIP experience across multi-vendor platforms, strong signaling and troubleshooting expertise, and the ability to support secure deployments in DoD and health-care networks.

 

Responsibilities

VoIP / Unified Communications Engineering

  • Design and deploy ZuluCall/Comms UCaaS environments across cloud, IL5-ready datacenters, and on-premises microservice clusters.
  • Configure SIP trunks, SBCs, dial plans, IVRs, queues, call recording, voicemail services, and conferencing features.
  • Provision and manage SIP endpoints, including Cisco SIP phones, Poly/Polycom, and Yealink.
  • Implement call flows, auto-attendants, queueing, callback, and ACD routing logic.

E911 / Location Services

  • Configure RedSky/Intrado E911, PIDF-LO, LLDP-MED, and nomadic user location services.
  • Validate routing paths and ensure compliance with RAY BAUM’S Act and Kari’s Law.

VoIP Security & Compliance

  • Implement secure signaling/media (TLS/SRTP), SIP authentication, and secure provisioning.
  • Support SCAP/DISA STIG checks for VoIP-related workloads and UC infrastructure.
  • Coordinate with cybersecurity teams on RMF and ATO technical requirements for voice systems.

Networking & Infrastructure

  • Work with site network teams to establish VLANs, DHCP, DNS, QoS, PoE, and firewall rules.
  • Assist with WAN redundancy, LTE/Starlink failover, and SD-WAN integrations.
  • Diagnose SIP/RTP quality issues: jitter, latency, MOS, packet loss, codec negotiation.

Troubleshooting & Support

  • Lead advanced troubleshooting of SIP signaling, RTP media path, SBC policies, and endpoint registration.
  • Provide Tier III support for VoIP, analog gateways, ATAs, SBCs, and softphone applications.
  • Collaborate with government technical teams during pilots, testing cycles, and operational validation.

Qualifications

  • 7+ years designing, deploying, and supporting VoIP/SIP systems
  • Strong command of SIP, RTP, SDP, TLS/SRTP and debugging tools (sngrep, Homer, Wireshark)
  • Deep hands-on experience with FreeSWITCH, Kamailio, or OpenSIPS
  • Experience with UCaaS or carrier-grade SIP platforms (NetSapiens preferred)
  • Experience with SBCs such as Ribbon, AudioCodes, TelcoBridges, Oracle, or Sangoma
  • Strong understanding of E911, ELIN/ERL, RedSky/Intrado, and location services
  • Proficiency designing dial plans, IVR flows, queue logic, and call routing policies
  • Strong documentation and customer-facing communication skills

Preferred Experience

  • Experience working with ShoreTel, Cisco CUCM, or similar enterprise telephony platforms
  • Experience in DoD/DHA environments
  • Understanding of DISA STIGs, SCAP, RMF, or FedRAMP
  • Linux experience (Ubuntu, Debian, RHEL)
  • Familiarity with microservice deployments (Docker/Podman/Kubernetes)

Soft Skills

  • Strong analytical and problem-solving skills
  • Ability to lead technical discussions with customers and partners
  • Comfortable working independently in high-responsibility environments
  • Excellent verbal and written communication

 

Physical Demands:

  • Must be able to lift up to 20 pounds
  • Must be able to stand and walk for prolonged amounts of time
  • Must be able to twist, bend and squat periodically

 

SECURITY CLEARANCE REQUIREMENTS: Must be able to obtain a security clearance at the Public Trust level. US Citizenship is a requirement.

 

#LI-KC1

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