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Principal Model Based Systems Engineer - MBSE Digital Engineering

Location: Alexandria, Virginia Categories: Engineering Req ID: 2022-6858 Potential to Telecommute: Yes

Job Description

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MTSI is looking for a Principal Model Based Systems Engineer - MBSE Digital Engineering to join our team in Alexandria, VA. 

Why is MTSI known as a Great Place to Work?

  • Interesting Work:  Our co-workers support some of the most important and critical programs to our national defense and security.  
  • Values: Our first core value is that employees come first.  We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry. 
  • 100% Employee Ownership: we have a stake in each other's success, and the success of our customers.  It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.  
  • Great Benefits: 
    • 20 days PTO/year + 10 holidays/year
    • Flexible schedules
    • 6% 401k match with immediate vesting
    • Semi-annual bonus eligibility (July and December)
    • Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account
    • Up to $10,000 in annual tuition reimbursement
    • Other company funded benefits
    • Optional zero deductible Blue Cross/Blue Shield health insurance plan
  • Track Record of Success:  We have grown every year since our founding in 1993

For additional company information, please visit:


Office of the Undersecretary for Defense for Research and Engineering Mission Integration Division (OUSD(R&E)) conducts mission engineering, analysis, and integration expertise to produce objective insights and analytic justification to inform future technology and capability investment decisions within the Planning, Programming, and Budgeting Execution (PPBE) process and aid in the prioritization, alignment and validation of requirements within Joint Capabilities Integration and Development System (JCIDS) to deliver modernized capabilities that enable an all domain joint force aligned with future Joint Warfighting Concepts. The team constructs, manages, and conducts discrete mission threads (MTs) and mission engineering threads (METs) and analysis study tasks to evaluate the efficacy of legacy architectures and new technologies and capabilities applied in new mission concepts of employment to meet evolving joint mission objectives.

As a Digital Engineer with MTSI you will work as an integral member of a government/contractor team in support of our customer's operations organization. As a systems engineering team member, you will work on all aspects of systems hardware and software - from design and analysis to integration and testing. In this role, you will prepare acquisition documents, generate system concept of operations and requirements documents, critique contractor produced preliminary design and segment requirements, and participate in system testing and integration using model based systems engineering tools and techniques. Your work will encompass advanced systems, such as command and control elements and data processing systems.


• Understand the fundamental enablers that digital engineering can provide to support Mission Integration / Engineering activities.
• Lead the development, Support implementation, and evolution of a digital cloud-based (hybrid IT architecture) environment/ecosystem for ME activities.
• Experience in supporting technical, managerial or operational fields and have expert credentials or be recognized as an authority and have the mature judgement required to advise senior government personnel. (Moved from lower in the list)
• Ensure that digital engineering/modeling and simulations tools are available and used when required during mission engineering analyses to evaluate changes to mission threads and mission engineering threads to assess mission outcomes.
• Support the development of scenarios, vignettes, mission threads and mission engineering threads, support best practices, and share with practitioners.
• Store these artifacts in a digital engineering environment for future ME reuse.
• Support the development of a digital simulation operational analysis environment, using AFSIM, that includes red and blue models and interaction for Mission Engineering analyses in support of the Rapid Defense Experimentation Reserve (RDER) initiation – specifically the Mission (Engineering) Analysis Working Group (MAWG), led by the Chief Engineer for Mission Engineering.

• Serve in a leadership role to support the modelers developing MTs/METs
• Minimum of 15 years of experience
• Experience developing system solutions to complex and challenging DoD problems
• Experience leading the planning and execution of complex mission and systems analysis efforts.
• Experience leading Systems Engineering (SE) tasks including:
o Technology Analysis and Assessment, System Definition, Systems Analysis, Systems Architecture development and architecture products for Systems of Systems (SoS)
o Kill chain analysis, SE tradespace and analysis to define capability gaps
o Modeling and Simulation activities for mission improvement, and Logistics support of DoD systems.
• Demonstrates strong oral and written communication skills across various stakeholders at varying levels of leadership/seniority
• Experience communicating, interfacing, and interacting with Joint Staff, Services, and warfighters to coordinate engineering and analysis needs and analytic results.

Desired Experience:

  • Master's degree in systems engineering or related field, or the equivalent combination of education and related experience.
  • Understanding of multi-segmented system architecture utilizing tools such as MagicDraw, IBM Rational Rhapsody, Sparx Enterprise Architecture (EA) or Cameo EA Suite
  • Knowledge in Java and Javascript usage for macro development in EA tooling
  • Understanding of versioning control and database management
  • Experience and a demonstrated record of success developing and implementing innovative solutions for a diverse range of highly complex multi-disciplinary problems and devising corrective actions where necessary.
  • Proficient using systems engineering modeling tools (e.g. CORE, Cameo Systems Modeler, MagicDraw or MapleMBSE) to support system requirements, design, analysis, verification & validation, and continuing throughout development and later life-cycle phases.


  • Clearance: TS/SCI




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Opportunities at MTSI

MTSI maintains an outstanding work environment that includes competitive compensation, outstanding benefits, the opportunity to be an employee-owner, and challenging work assignments with significant opportunities for advancement/career growth. To be considered for employment opportunities at MTSI, you must complete an online application.

EEO Statement: MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action-Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, military/veteran status, disability, or any other characteristics protected by law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with MTSI and need special assistance or accommodation to use our website or to apply for a position, please send an e-mail with your request to Determination on requests for reasonable accommodation is made on a case-by-case basis.

MTSI posts all open positions of employment here on our official website Careers page. MTSI Recruiters will always make direct personal contact with candidates by either speaking directly via telephone call, face-to-face video conference, or in-person, and will never conduct interviews or extend offers of employment via text or using messaging applications. If you believe you may be the victim of employment fraud, we encourage you to contact the Federal Trade Commission (FTC) thru their website: