Unified Communication Sr Principal Engineer

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.

Job Description

Unified Communication Sr Principal Engineer

GDIT is seeking a Unified Communication Senior Principal Engineer Lead in support of the Defense Information Systems Agency (DISA) Global Video Services (GVS) business area. This position is a combination of remote (20%) and onsite (80%) support in Fort Meade, MD .

MEANINGFUL WORK AND PERSONAL IMPACT
As a Unified Communication Senior Principal Engineer Lead, you'll play a crucial role in advancing our communication infrastructure to deliver seamless, secure, and efficient unified capabilities (UC). As 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. You will drive 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.

• Leadership: 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.
• Lab 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.

• 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.

• Provide 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.

• Compliance and Security : Ensure all architecture and designs comply with current government directives and guidelines, especially for classified networks, providing continuing security engineering support.

• Logistics and Configurations : Offer strategic logistics support and recommend specific configurations to enhance system functionality.

• Lifecycle Management : Implement and validate final hardware and software configurations while maintaining up-to-date System Engineering and Functional Requirements documentation.

• UC Analysis and Design : Provide expert analysis, design, integration, and testing support for Unified Communication solutions.

• Quality Assurance : Perform performance and quality assurance checks on UC telecommunications design, voice and video networking elements, and end-user peripherals.

• Deployment Models : Design solutions for various cloud deployment models (IaaS, PaaS, SaaS) optimizing the essential characteristics of cloud computing.

• Customer Interaction : Analyze customer requirements, assess design/technology alternatives, and facilitate discussions with stakeholders to propose and implement effective solutions.
  

WHAT YOU’LL NEED TO SUCCEED
● Education: BA/BS in Computer Science or related field
● Experience: 10+ years of related experience or 14 years of related experience.
● Technical skills:

• UC Networking Expertise : 3+ years in real‑time communications (VoIP/Video) with deep SIP/SDP/RTP/SRTP/TLS/WebRTC expertise
• 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 endpoints

• IT Principles and Techniques : Strong grasp of information technology principles, methods, and associated hardware/software.

• Domain Expertise : Experience with integration and/or management of classified voice and video systems.

• Support Skills : Extensive support knowledge in DNS, certificates/PKI, TLS, signaling/media, AD, PowerShell, APIs/REST, Network/FW, and h.323/SIP.

• Advanced Troubleshooting : Proven troubleshooting across signaling/media layers using call traces and packet captures (Wireshark/tcpdump).

• Customer Service : Superior customer service skills, essential for engaging with diverse stakeholder groups and ensuring system reliability and user satisfaction.

● Security clearance level: Active Secret Clearance
● Role requirements:

• Cloud Certifications : Senior Microsoft Azure Certifications, other industry recognized cloud engineering/architecture or security certifications.
• UC Certifications : including SBC training/cert or similar.

• UC and Cloud Integration : Experience with Pexip, Azure, O365 integration.

• Infrastructure : Experience with Vidyo infrastructure (Routers, Portals, Gateways, WebApp components).

• IL5/IL6 : Familiarity with Microsoft Teams interoperability

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
● Growth: AI-powered career tool that identifies career steps and learning opportunities
● Support: An internal mobility team focused on helping you achieve your career goals
● Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
● Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

Work Requirements

Years of Experience

10 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required