Systems Engineer – TS/SCI with Polygraph Required

Job Locations US-VA-Chantilly
Posted Date 3 weeks ago(5/24/2024 11:06 AM)
Job ID
# of Openings


LMI is seeking a Systems Engineer with experience in model-based systems engineering (MBSE) in Chantilly, VA to join a dynamic team providing end-to-end Systems Engineering and Integration (SE&I) services support an Intelligence Community client. 


LMI is a consultancy dedicated to improving the business of government, drawing from deep expertise in advanced analytics, digital services, logistics, and management advisory services. Established as a private, not-for-profit organization in 1961, LMI is a trusted third party to federal civilian and defense agencies, free of commercial and political bias. We operate completely free of political and commercial bias, and we are entirely aligned with the goals of our clients. Our clients value our specialized services in logistics, intelligence, homeland security, health care, and energy and environment markets. We believe government can make a difference, and we seek talented, hardworking people who share that conviction. We offer a generous compensation package with excellent benefits that start the first day of employment. Business casual dress, flex time, and tuition reimbursement are a few of our many work-life benefits available to our employees.


  • Collaborate with team of space system experts, engineers, and stakeholders to develop models of complex future space systems including system architecture and behavior using systems modeling languages such as SysML and UAF.
  • Assess engineering artifacts and develop models of mission systems using Digital Engineering and MBSE concepts and tools such as DOORS Next Generation, Cameo, and other COTS tools.
  • Support Integrated Product Teams (IPT’s) and other engineering working groups to review and assess the maturity of engineering artifacts such as concept of operations (CONOPs), system interfaces, functional allocation, and data models.
  • Collaborate in development of architecture and requirement baselines, establishing and assessing mission capabilities.
  • Provide meeting coordination, technical consultation, and system development to assist the customer decision makers.



  • Active TS/SCI with polygraph.
  • 2-4 years of experience with BS/BA, 1-3 years of experience with MS/MA technical degree (engineering, engineering technology management, or related STEM field).
  • Familiarity with space systems engineering capabilities.
  • Familiarity with digital engineering concepts.
  • Professional written and oral communication skills.


  • Experience with MBSE and Agile Development methods.
  • Experience with MBSE tools such as Cameo and DOORS.
  • Experience with object-oriented programming languages such as SysML, UAF, Python, Java, and C++.
  • Experience supporting the Intelligence Community (IC) or Department of Defense (DoD).




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LMI is an Equal Opportunity Employer. LMI is committed to the fair treatment of all and to our policy of providing applicants and employees with equal employment opportunities. LMI recruits, hires, trains, and promotes people without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, disability, age, protected veteran status, citizenship status, genetic information, or any other characteristic protected by applicable federal, state, or local law. If you are a person with a disability needing assistance with the application process, please contact accommodations@lmi.org

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