Sr. Unified Communication Engineer

By Light Professional IT Services LLC•Fort Meade, MD

6d•$150,000 - $200,000

About The Position

By Light Professional IT Services LLC is seeking a Sr. Unified Communication Engineer to lead an engineering team and provide technical direction for mission-critical Unified Communications capabilities. The role leads engineering priorities and delivery, supporting contemporary IP video systems and their integration with legacy UC services and endpoints while ensuring compliance with government directives and guidelines. The engineer assesses and improves system capabilities to support resilient, scalable infrastructure, maintains critical system documentation, and works closely with cybersecurity team members. The position leads the re-baselining and maintenance of an engineering lab that reflects the customer’s production environment. It supports migration from legacy video infrastructure to modern, cloud-capable UC platforms; platform upgrades; Smart Licensing transitions; hardware refreshes; and Tier III troubleshooting and sustainment. The role also performs capacity planning, quality assurance, security engineering, lifecycle configuration management, and analysis, design, integration, and testing of UC solutions. The engineer evaluates customer requirements and technology alternatives, works with stakeholders, and designs solutions across IaaS, PaaS, and SaaS deployment models.

Requirements

BA/BS in Computer Science or a related field.
10+ years of related experience or 14 years of related experience.
At least 3 years of experience in real-time communications (VoIP/video), with deep expertise in SIP, SDP, RTP, SRTP, TLS, and WebRTC.
Hands-on experience with Cisco VCS Control and Expressway (C and E series), including SIP/H.323 interworking, traversal-zone configuration, and signaling troubleshooting.
Experience with Poly and Cisco hardware video endpoints.
Strong understanding of information technology principles, methods, and associated hardware and software.
Experience integrating and/or managing classified voice and video systems.
Extensive support knowledge in DNS, certificates/PKI, TLS, signaling/media, Active Directory, PowerShell, APIs/REST, networks/firewalls, and H.323/SIP.
Proven troubleshooting across signaling and media layers using call traces and packet captures, including Wireshark or tcpdump.
Superior customer service skills for engaging with diverse stakeholder groups and supporting system reliability and user satisfaction.
Active Secret clearance.

Nice To Haves

Senior Microsoft Azure certifications or other industry-recognized cloud engineering, architecture, or security certifications.
UC certifications, including SBC training/certification or similar.
Experience with Pexip and Azure/O365 integration.
Experience with Vidyo infrastructure, including Routers, Portals, Gateways, and WebApp components.
Familiarity with Microsoft Teams interoperability in IL5/IL6 environments.

Responsibilities

Lead a team of engineers, establish technical direction, coordinate engineering priorities, and ensure successful execution of modernization and sustainment initiatives.
Lead activities to re-baseline and maintain the engineering lab environment so that it is current and represents the customer’s production environment.
Support migration from legacy video infrastructure to modern, cloud-capable UC platforms, as well as platform upgrades, Smart Licensing transitions, and hardware refresh projects.
Provide engineering and Tier III troubleshooting and sustainment across UC video infrastructure, including Cisco VCS/Expressway, Poly and Cisco endpoints, Pexip Infinity, and Microsoft Teams CVI.
Develop System Capacity Expansion Plans and conduct quality assurance and performance checks across UC telecommunications design, video networking elements, and end-user peripherals.
Ensure architectures and designs comply with current government directives and guidelines, particularly for classified networks, and provide ongoing security engineering support.
Provide strategic logistics support and recommend configurations to improve system functionality.
Implement and validate final hardware and software configurations, and maintain current System Engineering and Functional Requirements documentation.
Provide expert analysis, design, integration, and testing support for Unified Communication solutions.
Design solutions for IaaS, PaaS, and SaaS cloud deployment models, optimizing the essential characteristics of cloud computing.
Analyze customer requirements, assess design and technology alternatives, and facilitate stakeholder discussions to propose and implement effective solutions.