Teams at T-Rex Solutions, LLC

Performs integration, interoperability, functional, and connection testing for defense applications. Configures test environments, channels, routes, and system interfaces; validates electronic transactions and files; troubleshoots connections and missing files; reviews test data; and supports test planning and evaluation events. Provides technical assistance and customer support, communicates with end users, and collaborates with internal and external teams to ensure application accuracy, integrity, interoperability, and completeness.

Administer and support enterprise Cisco Unified Communications Manager and related telephony systems. Responsibilities include maintenance, upgrades, configuration documentation, dial-plan and traffic-route administration, performance and SLA monitoring, troubleshooting, and telecommunications service requests. The role requires experience with TDM and VoIP systems, Cisco voice in multi-cluster environments, data networking, SIP, H.323, Cisco UCS, voice gateways, virtualization, and ESXi, along with an active TS/SCI clearance with FSP.

Develops system requirements, architectures, designs, technical documentation, integration plans, and test plans for an Intelligence Community program. Provides technical leadership, feasibility analysis, user guidance, government coordination, and technical oversight. Supports Scrum and SAFe ceremonies, including sprint reviews, Inspect and Adapt events, and PI planning. Requires substantial systems engineering experience and an active, transferable TS/SCI clearance with full-scope polygraph.