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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Model-Based Systems Engineer - **Company:** Arcfield, Inc. - **Location:** St. Louis, MO, United States - **Salary:** $110,737.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Computer Aided Three-Dimensional Interactive Application (CATIA), Cloud Computing, Information Technology Consulting, Rhapsody, Systems Modeling Language, MagicDraw, User Accounts - **Published:** August 25, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9116083/principal-model-based-systems-engineer ## About the Role * BS 8-10, MS 6-8, PhD 3-5 (Bachelor's degree in Systems Engineering, Aerospace Engineering, Electrical Engineering, or a related technical discipline (Master's degree preferred). * Experience with one or more of the following + NoMagic + MagicDraw + Cameo + CATIA Magic System of Systems Architect + SysML + UPDM + IBM Rhapsody * Ability to obtain and maintain a Top Secret/SCI, must possesse and maintain a Top Secret to start. ## Description THIS POSITION IS FOR STRATEGIC TECHNOLOGY CONSULTING - STC, An Arcfield Company Are you ready to take your career to the next level? Join us in St. Louis, Missouri, and play a pivotal role in enabling teams to collaborate on state-of-the-art Model-Based Systems Engineering (MBSE) solutions. As an on-site Principal Model-Based Systems Engineer, you will act as the subject matter expert in model management, administering and maintaining a federated set of SysML models in Teamwork Cloud (TWC) across multiple classification levels. If you're enthusiastic about MBSE, managing complex systems environments, and delivering impactful technical solutions, this opportunity is made for you. Responsibilities * Serve as the model management Subject Matter Expert (SME) for the Teamwork Cloud environment. * Administer and maintain a federated set of SysML models across different classification levels. * Ensure up-to-date and consistent project usages across hundreds of projects utilizing Teamwork Cloud. * Troubleshoot issues with the Cameo Systems Modeler tool and the Teamwork Cloud environment, ensuring minimal disruption to engineering processes. * Oversee and manage user accounts, access permissions, and all other aspects of environment access administration. * Implement and maintain standard workflows, processes, and templates for SysML modeling, ensuring compliance with organizational and program-specific guidelines. * Collaborate with system architects, project teams, and IT support staff to resolve configuration, deployment, and integration challenges. Why Join Us? * Join a team of world-class MBSE and DE Experts. * Be part of a dynamic team working on groundbreaking projects. * Contribute to the development of state-of-the-art systems and make a lasting impact in the industry. * Exercise considerable latitude in determining objectives and approaches to assignments, giving you the freedom to innovate and excel. ## Related Videos - [Full-stack role-based authorization in 45 minutes](https://www.wearedevelopers.com/videos/312-full-stack-role-based-authorization-in-45-minutes) - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [Swapping Low Latency Data Storage Under High Load](https://www.wearedevelopers.com/videos/746-swapping-low-latency-data-storage-under-high-load) - [How to Domain Model – An example from manufacturing](https://www.wearedevelopers.com/videos/742-how-to-domain-model-an-example-from-manufacturing) - [When Should You Use an Agent? 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