VES, LLC is seeking a highly capable Principal Model-Based Systems Engineer to own the system architecture and the digital thread for multiple projects and programs. You will lead the development of an authoritative SysML model that ties together requirements, behaviors, interfaces, simulations, and verification across the lifecycle. You will mentor a crossfunctional team and drive modelbased reviews through the acquisition lifecycle and establish company-wide policies establishing a holistic System Engineering process capable of supporting any company program, product or project. This role is fully remote, with approximately 10% travel. ABOUT VES, LLC We are a small business headquartered out of Aberdeen Proving Ground, MD. We have grown up to approximately 80 employees, many of them getting our footprints established in other areas of the United States. Established in 2014, our core competencies are the development of custom government off the Shelf (GOTS) infrastructure solutions, integrating mission command systems, and prototyping emerging technologies for use in the Army tactical architecture. We are a company built entirely of engineers, focused completely on solving the DoD's hardest software systems integration challenges. Many software government contractors only hire to fill a slot and then release the person with the contract time is up. We truly strive to be more of a close-knit group , hiring people for their talent and making sure they want to stay for the long haul. We offer highly competitive pay , generous benefits , and a friendly work culture . General Job Duties: Architecture and Modeling - Lead creation of CONOPS and mission threads; perform functional decomposition and allocation using SysML (use case, activity, sequence, state, parametric). - Establish and maintain the authoritative system model in Cameo Systems Modeler/ MagicDraw (or IBM Rhapsody), using UAF/UPDM/ DoDAF viewpoints. - Define and manage interfaces (ICDs), data models, and N diagrams; own interface control and change governance. - Run trade studies using parametrics and cosimulation (e.g., ModelCenter , FMI/FMU, MATLAB/Simulink). Digital Thread and Toolchain Implement endtoend traceability across requirementsmodelsimulationtest (e.g., DOORS/Jama to Cameo; OpenMBEE / DocGen for document generation). Stand up model configuration management and collaboration (Teamwork Cloud/Git), style guides, profiles/stereotypes, and modeling conventions. []{style="background-color: #ffffff; padding: 0px; font-size: 10pt; font-family: Arial, Arial_EmbeddedFont, sans-serif; line-height: 16px; padding: 0p "}