Mechanical Modeling Engineer

Leidos has an immediate & exciting opportunity for a TS/SCI cleared Mechanical Modeling Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, Immediate Vesting in our 401K, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary: The Mechanical Modeling Engineer will support the National Space Intelligence Center (NSIC) at Wright-Patterson Air Force Base in Dayton, OH. In this role, the Mechanical Modeling Engineer will construct highly detailed 3-D geometric computer-aided design (CAD) models of multiple foreign spacecraft to include static and dynamic characteristics (e.g., external configuration, layout and location of internal subsystems, antenna and solar panel motion, construction techniques, and materials descriptions). CAD models shall be completed in industry standard portable formats, ensuring that products conform to existing standards, as required by the client. The Mechanical Modeling Engineer will collaborate with a team of military, government, and other contractors to achieve high confidence answers to challenging problems. Our new colleague will also work independently and have effective writing and verbal communication.

Primary Responsibilities

• Construct highly detailed 3-D geometric computer-aided design (CAD) models of multiple foreign spacecraft.
• Draft notional capabilities of satellite components.
• Model components or entire vehicles.
• Produce high confidence answers to problems of interest on space systems.
• Perform all-source intelligence research, analysis, and assessments with Intelligence Community tradecraft standards.

Basic Qualifications

• Bachelor’s in Mechanical Engineering (or similar equivalent degree) with 4+ years of prior relevant experience or a Master’s in Mechanical Engineering (or similar equivalent degree) with 2+ years of prior relevant experience. Additional experience may be considered in lieu of a degree.
• Active TS/SCI clearance.
• 2+ years of experience with SolidWorks, NX, Catia, or similar 3D CAD modeling software.
• Industry or government experience in 3D CAD/CAE.
• Strong analytical and communication skills; the ability to work individually and with teams.

Preferred Qualifications

• Experience with satellite system design, layout, or systems engineering.
• Experience with aerospace industry standards and best practices.
• Experience with US Intelligence Community standards and procedures.
• Experience working at the National Air and Space Intelligence Center (NASIC) or NSIC with 3D CAD Intelligence Community models.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you.

Original Posting: May 7, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range: Pay Range $87,100.00 - $157,450.00. The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit

Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

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Commitment and Diversity: All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.