Aerospace Modeling and Simulation Engineer

Leidos LLC; Bath Township (OH); On-site; USD 70,000 - 126,000; Full time

Job summary

Leidos in Dayton, OH is seeking an Aerospace Modeling and Simulation Engineer to develop, integrate, and test models of aerospace systems, including air-launched weapons, ballistic missiles, and hypersonics. You will document performance against requirements and collaborate with internal and external stakeholders.

Required: ABET-accredited degree in aerospace or mechanical engineering, 2+ years’ experience, MATLAB/Simulink, 3DOF/6DOF modeling, and system-level requirements.

Qualifications

• Bachelor’s Degree in Aerospace Engineering, Mechanical Engineering, or equivalent from an ABET-accredited university
• 2+ years’ experience
• Experience with 3DOF/6DOF flight models
• Experience in MATLAB/Simulink
• Experience with system level requirements
• Detailed understanding of the systems engineering process
• Strong written and verbal communication skills and attention to detail
• Organizational skills to document work and interface with team members
• US Citizenship and ability to obtain/maintain TS/SCI clearance
• Local to or willing to relocate to the Dayton, OH area

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
• Interact with external stakeholders to define requirements and perform model demonstrations

Job description

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

• Candidate must possess a Bachelor’s Degree in Aerospace Engineering, Mechanical Engineering, or equivalent degree from an ABET-accredited university
• Candidate must have 2+ years’ 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: February 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 $69,550.00 - $125,725.00

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 www.Leidos.com.

Pay and Benefits

• 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 [e-mail].

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.