- 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.
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