What We Do



XSITE LLC provides full spectrum technical and professional expertise and end-to-end solutions for complex space, C5ISR, cyber and enterprise information system problems. We partner with our customers to provide the technical and professional skills to bring high quality solutions using proven systems engineering processes.

Model-Based Systems Engineering

Supporting Program Offices

Complement of engineering approaches applied to provide transparency from mission need to solutions:

-Digital Twins
-Train, Troubleshoot, Innovate
-Executable Architectures
-Rapidly explore concepts and impacts to enterprise
-Virtual Reality
-Fight the fight before the fight


Consolidating mission engineering data from concept to operations in a digital platform supports:

-Improved configuration management of systems engineering baselines
-Requirements Management traceability and verification
-Collaboration across platforms, systems, and programs
-Enhanced analytics and automated reporting
-Identification of gaps or errors early in development cycle
-Reduced cost, risk, and time to deployment

Software Development

Supporting US Space Force

  • Software Engineering & Development​
    • Virtualized / refactored the MUOS Performance Model (MPM) to run in AWS GovCloud (IL4/5)​
    • Implemented DevSecOps pipelines, and promotion paths for efficiency and stability​
    • Setup and actively manage information systems and cloud infrastructure on Government networks for cyber compliance​
    • Actively pursuing an ATO for IL6 Production cloud capability​
  • Analysis Expertise​
    • Provide SME support for MUOS system-level and terminal-level analysis​
    • Utilize the COTF accredited MPM for analysis​
    • Developed and utilize independent tools for specific analysis use cases (e.g. WCDMA Link Budgets)​

Science & Technology Services Overview

Supporting Combatant Commands and Fleets

  • Launched our S&T Services offering in 2017 with USSOUTHCOM J7/9 with focus on Rapid Technology Operationalization
  • Programmatic model designed to perform all phases within one Fiscal Year cycle to leverage O&M funding
  • Implemented a tailored approach to rapidly evaluate commercial technology for readiness and applicability to operational needs
  • Project success led to growth of the portfolio from $1.5M to over $20M 
  • Today we have systems in-theater supporting mission ops while evaluating operational utility and refining CONOPS for full-scale ops 
  • Shepherding technology transition across the “valley of death” to Programs of Record