Sr. Unified Comms Engineer - Federal Customer (On-Site 5 Days per week, Chantilly, VA - TS/SCI Required) The Unified Communications Engineer supports Dell Mission Operations by engineering, sustaining, and improving voice and collaboration capabilities used for day-to-day mission execution. This role is responsible for administration, troubleshooting, integration, and lifecycle support of communications platforms and endpoints in a secure environment. The ideal candidate brings strong UC fundamentals, customer-facing problem solving, and the ability to maintain dependable collaboration services under mission requirements. Key responsibilities • Administer and support voice, telephony, conferencing, or collaboration platforms • Troubleshoot service issues involving call quality, endpoints, connectivity, or platform configuration • Support implementation, upgrades, and integration of communications solutions • Maintain documentation, diagrams, operating procedures, and support records • Coordinate with network, systems, and field teams on platform dependencies and changes • Support user issues, service requests, and operational continuity activities • Contribute to testing, validation, and service improvement efforts • Help ensure secure, stable, and supportable communications capabilities • Provide reports to relevant stakeholders and participate in leadership level design and engineering decisions Required qualifications • Experience supporting unified communications, VoIP, telephony, or collaboration environments • Strong troubleshooting and customer-support skills • Familiarity with endpoint integration, platform administration, and service support processes • Understanding of network and QoS concepts related to voice and collaboration services • Ability to work onsite in a secure environment • Experience with video, AV, conferencing, or call-management environments • Familiarity with SIP, secure voice, or enterprise communications architectures • 15+ years of relevant experience with a bachelor's degree • Active TS/SCI and ability to maintain access as required by the program . Candidates must be able to lift up to 25lbs. Core Competencies - Leadership • Problem-Solving: Excellent analytical and problem-solving skills to diagnose and resolve complex technical issues in distributed systems. • Communication: Strong verbal and written communication skills to collaborate effectively with development teams, operations, security, and other stakeholders. • Collaboration: Ability to work effectively in a team environment and lead technical initiatives. • Mentorship: As a Senior role, the ability to guide and mentor junior engineers, share knowledge, and foster best practices. • Proactive & Ownership: Proactive approach to identifying and addressing potential issues, with a strong sense of ownership over the platform. • Adaptability & Continuous Learning: Eagerness to learn new technologies and adapt to a rapidly evolving cloud-native landscape. Preferred qualifications • Experience with Cisco UC or similar platforms • Experience in government or classified environments • Lead experience guiding standards, design choices, or junior engineers Work environment / program context This role supports communications capabilities that users depend on every day. Lead-level roles will provide technical direction, lead escalations, and maintain ownership of standards.