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
Show the full description
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 Top 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 $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.
