New

Model-Based Systems Engineer (MBSE)

The Mission Essential Group, LLC
paid time off
United States, Virginia, Fairfax
4031 University Drive (Show on map)
Feb 10, 2026
Position: Model-Based Systems Engineer (MBSE) Location: Fairfax, VA (onsite) Clearance: TS/SCI Job Description: The Mission Essential Group, LLC (MEG), provides a fulfilling work environment fostering the opportunity for team and personal success. Becoming a key member of MEG positions you to impact a critical global mission and positively influence the direction of the company. MEG is a premier service provider for information management solutions for complex, mission-critical needs. Established in 2006, MEG is positioned as a leading provider of information management system engineering, software development, information assurance, and system sustainment and is the primary provider of technical support for the Integrated Broadcast Service (IBS) Enterprise. MEG has earned a reputation as an innovator and pioneer in complex information management solutions. Headquartered in Fairfax, VA, MEG employs professionals in offices located throughout the United States and around the world. MEG offers an excellent benefits package including a competitive salary; medical, dental, vision, life, and disability insurance; paid time off; and retirement benefits. IBS is the worldwide Department of Defense (DoD) standard network for transmitting tactical and strategic intelligence and targeting data to all levels of Joint Service operational users. MEG integrates the talents and skills of team members to form an IBS Enterprise Support Team to provide world class IBS Customer service. Joint Service and Collaborating Nations IBS Customers require 24/7 access to report and resolve issues in a timely manner to mitigate impact to operations. We serve a vital role in supporting the IBS Joint Program through technical innovation and rapid development of solutions to support end user requirements. As such, our systems and products require a high level of quality and configuration management to ensure they meet and/or exceed customer expectations. The MBSE System Engineer will create virtual models for the design and implementation of IBS MBSE infrastructure. Capture, analyze and manage requirements using system of systems and organize modeling capabilities for IBS-ES based on roles. The duties and functions for this position include but are not limited to: Lead the development, maintenance, and governance of SysML-based MBSE models for satellite and ground system domains, including system architectures, behaviors, interfaces, data flows, requirements, and verification methods in support of the IBS program. Translate stakeholder and customer needs into structured system models (diagrams, viewpoints, and engineering documentation) that support technical decision-making and program execution. Implement Digital Thread / digital engineering capabilities by integrating MBSE models with systems engineering lifecycle tools and datasets (e.g., requirements, analysis outputs, technical baseline artifacts) to connect data across lifecycle activities. Operate within a federated modeling framework, including running model validation suites, verifying compliance with modeling style guides, and performing configuration management (baselines, versioning, change control). Integrate MBSE products with engineering analyses and trade studies, leveraging modeling and analysis tools such as MATLAB, Simulink, or similar platforms to support model-driven assessments and evaluations. Lead collaborative model working groups and drive alignment across multidisciplinary engineering teams through facilitation, problem-solving, and model review coordination. Support engineering reviews and technical interchange meetings, contributing to preparation of deliverables such as trade study summaries, technical visualizations, and stakeholder-ready presentations. Deliver familiarization briefings and "live demos" for senior stakeholders and customers, clearly communicating model intent, results, and decision impacts. Conduct operational and software testing Experience with software engineering, customer experience, and design architecture Minimum Qualifications: Security Clearance: MUST have a TS clearance with SCI Eligibility. 2-5 years of MBSE experience. Ability to maintain a US Government security clearance. Bachelor's Degree or corresponding certification in engineering or related field.