Sr. VoIP Communications Engineer

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 Applicants may be subject to a pre-employment drug & alcohol screening and/or random drug screen, and must follow UIC’s Non-DOT Drug & Alcohol Testing Program requirements. If the position requires, an applicant must pass a pre-employment criminal background history check. All post-secondary education listed on the applicant’s resume/application may be subject to verification. Where driving may be required or where a rental car must be obtained for business travel purposes, applicants must have a valid driver license for this position and will be subject to verification. In addition, the applicant must pass an in-house, online, driving course to be authorized to drive for company purposes. UIC is an equal opportunity employer. We evaluate qualified applicants without regard to race, age, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other protected characteristics EOE/D/V. In furtherance, pursuant to The Alaska Native Claims Settlement Act 43 U.S.C. Sec. 1601 et seq., and federal contractual requirements, UIC and its subsidiaries may legally grant certain preference in employment opportunities to UIC Shareholders and their Descendants, based on the provisions contained within The Alaska Native Claims Settlement Act. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities. Please view Equal Employment Opportunity postershere ( . All candidates must apply online at , and submit a completed application for all positions they wish to be considered. Once the employment application has been completed and submitted, any changes to the application after submission may not be reviewed. Please contact a UIC HR Recruiter if you have made a significant change to your application. In accordance with the Americans with Disabilities Act of 1990 (ADA), persons unable to complete an online application should contact UIC Human Resources for assistance . The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. 41 CFR 60-1.35(c) UIC Government Services (UICGS / Bowhead) provides innovative business solutions to federal and commercial customers in the areas of engineering, maintenance services, information technology, program support, logistics/base support, and procurement. Collectively, the fast-growing Bowhead Family of Companies offers a breadth of services which are performed with a focus on quality results. Headquartered in Springfield, VA, we are a fast-growing, multi-million-dollar company recognized as a top Alaska Native Corporation providing services across the Department of Defense and many federal agencies. Bowhead offers competitive benefits including medical, dental, vision, life insurance, accidental death and dismemberment, short/long-term disability, and 401(k) retirement plans as well as a paid time off programs for eligible full-time employees. Eligible part-time employees are able to participate in the 401(k) retirement plans and state or contract required paid time off programs. Join our Talent Community! Join our Talent Community ( to receive updates on new opportunities and future events. Software Powered by ICIMS ( 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%