Model Based System Engineer

Job Locations US-SC-North Charleston
# of Openings
Clearance Required


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Modern Technology Solutions, Inc. (MTSI), is seeking a Model Based System Engineer in the Charleston, SC area.  At MTSI, our more than 1,200 co-owners recognize the high demand for specialized professionals within our industry and that you have many options to choose.  As an employee owned company where culture matters, we believe that by investing in our people we are investing in our company’s future! 


MTSI’s core capabilities run deep across a multitude of areas to include Systems Engineering & Technical Assistance, Integration, Modeling & Simulation, Test & Evaluation, Acquisitions & Program Support, and Mission Assurance services. Our expertise includes ballistic missile defense, air defense, air vehicle survivability, unmanned aircraft, flight test operations, intelligence support, cyber security, space and homeland defense.


Join MTSI this year in celebrating our 26th consecutive year in business and consecutive growth. 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 our industry.  All new co-workers start with 20 days PTO plus 10 federal holidays, 6% 401k company match with immediate vesting, semi-annual bonuses, and eligibility to participate in our Employee Stock Ownership Plan (ESOP).  We offer other employee focused benefits, including up to $10k in tuition reimbursement and an optional zero dollar deductible BCBS health insurance plan.


For additional company information, please visit:


Modern Technology Solutions is seeking a senior Model Based Systems Engineer (MBSE) to join the Digital Engineering/Model Based Systems Engineering Team.  The Senior Model Based Systems Engineer will provide support using Model Based System Engineering tools and techniques to define systems interfaces, requirements, and behaviors.  Responsibilities include support to system design, requirements development and functional allocation to hardware, software, operator and other segments and system components.  The Senior MBSE will support development of system integration plans, procedures and scenarios used in the conduct of software/hardware system integration testing, and perform analysis of integration results to assess system impacts.



  • Participate in system requirements reviews, creating and/or updating requirement specifications and technical documentation
  • Review of system engineering documentation to ensure specifications meet system needs and are accurate
  • Participate in the development of trade studies to support the selection of preferred design solutions and course of action alternatives in project development/product delivery.
  • Provide review and analysis support to the development test team and conduct of formal testing
  • Participate in project technical risk analysis and mitigation


Basic Qualifications:

  • Bachelors of Science in related STEM degree
  • 10 years of experience with Model Based System Engineering (MBSE) tools and procedures
  • Experience with object-oriented design
  • Understanding of system interface requirements and requirements management
  • Understanding of networking/distributed computing environment concepts
  • Experience with MBSE, SysML, LML, UPDM modeling tools
  • Understanding of systems engineering lifecycle
  • Strong problem solving and analytical skills
  • Proficiency with Microsoft Office suite, including Office and SharePoint
  • Ability to obtain and maintain Secret Security Clearance

Preferred Qualifications:

  • Graduate degree in related STEM discipline (M.S./PhD)
  • Masters of Science Systems Engineering
  • International Council on Systems Engineering (INCOSE) member
  • Experience with DoDAF modeling
  • Experience as contractor supporting government customer
  • Experience making DE/MBSE tool and language-related decisions for organizations throughout the systems engineering lifecycle

Please Note:  U.S. Citizenship is required for most MTSI positions.


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