{"id":3970841,"url":"https://alion.io/job/by-light-sr-unified-communication-engineer","title":"Sr. Unified Communication Engineer","company":{"id":1964053,"name":"By Light","domain":"bylight.com","url":"https://alion.io/company/bylight","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":100,"open_postings":3,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":6,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Fort Meade, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":false},{"name":"DNS","optional":false},{"name":"Microsoft Teams","optional":false},{"name":"PKI","optional":false},{"name":"PowerShell","optional":false},{"name":"Rest API","optional":false},{"name":"Tcpdump","optional":false},{"name":"WebRTC","optional":false},{"name":"Wireshark","optional":false}],"status":"live","first_seen_at":"2026-11-09T16:01:33Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-10T08:18:55Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Company Overview\nBy Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.\nPosition Overview\nAs the engineering team lead, you will provide technical direction, coordinate a team of engineers, prioritize engineering efforts, and ensure successful delivery of mission-critical capabilities, dirving the engineering strategy supporting both contemporary IP Video systems and integration with legacy UC services and endpoints, ensuring compliance with government directives and guidelines. You'll continuously assess, project, and enhance system capabilities, contributing to the resilience and scalability of the infrastructure. By developing and maintaining critical system documentation and working closely with cyber team members, your work will directly support effective communication strategies vital to the mission's success.\nResponsibilities\nLeadership: Lead a team of engineers, establish technical direction, coordinate engineering priorities, and ensure successful execution of modernization and sustainment initiatives in support of the customer’s mission.\nLab Environment: Responsible for leading all activities related to re-baselining and maintaining the engineering lab environment ensuring it is current and represents the customers production environment.\n Engineering Support: Serve as an expert for migration from legacy video infrastructure toward modern, cloud-capable UC platforms; support platform upgrades, Smart Licensing transitions, and hardware refresh projects.\nProvide Engineering/Tier III troubleshooting and sustainment across UC video infrastructure - spanning legacy platforms (Cisco VCS/Expressway, Poly/Cisco endpoints) and modern solutions (Pexip Infinity, Microsoft Teams CVI).System Capacity Planning: Develop System Capacity Expansion Plans; conduct quality assurance and performance checks across UC telecommunications design, video networking elements, and end-user peripherals.\nCompliance and Security: Ensure all architecture and designs comply with current government directives and guidelines, especially for classified networks, providing continuing security engineering support.\nLogistics and Configurations: Offer strategic logistics support and recommend specific configurations to enhance system functionality.\nLifecycle Management: Implement and validate final hardware and software configurations while maintaining up-to-date System Engineering and Functional Requirements documentation.\nUC Analysis and Design: Provide expert analysis, design, integration, and testing support for Unified Communication solutions.\nQuality Assurance: Perform performance and quality assurance checks on UC telecommunications design, voice and video networking elements, and end-user peripherals.\n Deployment Models: Design solutions for various cloud deployment models (IaaS, PaaS, SaaS) optimizing the essential characteristics of cloud computing.\nCustomer Interaction: Analyze customer requirements, assess design/technology alternatives, and facilitate discussions with stakeholders to propose and implement effective solutions.\nRequired Experience/Qualifications\nBA/BS in Computer Science or related field\n10+ years of related experience or 14 years of related experience.\n UC Networking Expertise: 3+ years in real-time communications (VoIP/Video) with deep SIP/SDP/RTP/SRTP/TLS/WebRTC expertise\n Video Infrastructure: Hands-on experience with Cisco VCS Control / Expressway (C & E series) - SIP/H.323 interworking, traversal zone configuration, and signaling troubleshooting. Experience with Poly and Cisco hardware video endpointsIT Principles and Techniques: Strong grasp of information technology principles, methods, and associated hardware/software.\nDomain Expertise: Experience with integration and/or management of classified voice and video systems.\nSupport Skills: Extensive support knowledge in DNS, certificates/PKI, TLS, signaling/media, AD, PowerShell, APIs/REST, Network/FW, and h.323/SIP.\n Advanced Troubleshooting: Proven troubleshooting across signaling/media layers using call traces and packet captures (Wireshark/tcpdump).\nCustomer Service: Superior customer service skills, essential for engaging with diverse stakeholder groups and ensuring system reliability and user satisfaction.\nCloud Certifications: Senior Microsoft Azure Certifications, other industry recognized cloud engineering/architecture or security certifications.\nUC Certifications: including SBC training/cert or similar.\nUC and Cloud Integration: Experience with Pexip, Azure, O365 integration.\n Infrastructure: Experience with Vidyo infrastructure (Routers, Portals, Gateways, WebApp components).\n IL5/IL6: Familiarity with Microsoft Teams interoperability\nSpecial Requirements/Security Clearance\nActive Secret Clearance\nSalary Range\nSalary Minimum: $150,000\nSalary Maximum: $200,000\nThe annual base salary provided is a guideline for this position and is not a guarantee of compensation or salary. When extending an offer, By Light also considers other variables such as (but not limited to) work experience, education, training, skill set, internal peer equity, clearance level, and market conditions. 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