Aerospace Modeling and Simulation Engineer - TS/SCI

Leidos; Dayton (OH); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos is seeking an Aerospace Modeling and Simulation Engineer in Dayton, OH to develop and test models of air-launched weapons, ballistic missiles, avionics, and hypersonic vehicles. You will work with a team to demonstrate models to external stakeholders and ensure requirements are met.

Candidate must hold a Bachelor’s in Aerospace/Mechanical Eng from ABET-accredited program, 4+ years of experience, MATLAB/Simulink, and US citizenship with Secret Clearance (TS/SCI eligibility).

Qualifications

• Bachelor’s Degree in Aerospace or Mechanical Engineering from ABET-accredited university.
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Responsibilities

• Develop, integrate, and test models of aerospace systems.
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Skills

MATLAB/Simulink

C++

Python

Flight dynamics

Education

ABET-accredited degree

Tools

GNC algorithms

Job description

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 4 or more 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

October 5, 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 onlyand 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.

About Leidos

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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

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 at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [e-mail].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

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.