Aerospace modeling and simulation engineer

Leidos is seeking a motivated, detailed-oriented problem-solver to join our modeling and simulation team as an Aerospace Modeling and Simulation Engineer in Dayton, OH. You will play a valuable part in developing and testing models of aerospace systems, to include air-launched weapons; ballistic missile systems; avionics; hypersonic vehicles; and guidance, navigation, and controls across a wide range of projects and programs.

Primary Responsibilities

• Develop, integrate, and test models of aerospace systems based on provided information, research, and engineering principles.
• Document model performance against requirements.
• Document algorithm design.
• Work collaboratively with an engineering team comprised of internal and external team members.
• Interact with external stakeholders to define requirements and perform model demonstrations.

Basic Qualifications:

• BS degree in Aerospace Engineering, Mechanical Engineering, or equivalent degree from an ABET-accredited university with 8 or more years, or a MS Degree in the same fields of study with 6 or more years.
• Will consider a PhD degree in the same fields of study, in lieu of additional years of experience.
• Experience with 3DOF/6DOF flight models
• Experience in MATLAB/Simulink
• Experience with system level requirements
• Detailed understanding of the systems engineering process
• Demonstrates solid understanding and intuition of the functionality and interdependency of aerospace systems
• Strong written and verbal communication skills and attention to detail to communicate clearly with internal and external stakeholders
• Organizational skills to document work and interface with team members to ensure flow of information

Candidate must be a US Citizen and possess a Secret Clearance and meet the eligibility to obtain (and maintain) a TS/SCI Clearance. Candidate must be local to or willing to relocate to the Dayton, OH area.

Preferred Qualifications:

• Experience in C++ or Python
• Experience integrating and testing GNC algorithms
• Experience with ballistic missiles, air-launched missiles, or hypersonic vehicles

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting: May 26, 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 $107,900.00 - $195,050.00 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.

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.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to spam.leidos@leidos.com.

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.