Modeling and Simulation Software Engineer
LeidosAbout the role
Leidos is hiring a Modeling and Simulation Engineer with an active Secret clearance in our Beavercreek Ohio Office. The successful candidate will use strong technical capabilities and communication skills to collaborate with technical teams of engineers and scientists to integrate an infrared threat simulation into a multispectral few-on-few engagement simulation environment.
Primary Responsibilities:
Perform tasks related to the integration of an infrared threat simulation into a multispectral few-on-few, C++ based simulation environment
Work with a team of engineers and collaborate on team tasking
Collaborate with teams of government and contractor personnel
Participate in the design and implementation of tools that support the wider multispectral simulation
Test and evaluate implementations, provide feedback to developmental team and team partners
Develop, code and test software and prepare documentation requested by the government customer
Basic Qualifications:
Bachelor’s degree in CS, CE, EE or a related field with 2+ years of applicable experience or an MS degree in CS, CE, EE, or a related field
Experience with C++, Linux
Experience with modeling and simulation (M&S) techniques
Excellent English-language written and verbal communication. Strong emphasis on writing ability
Great people skills and the desire to work with technical teams of engineers and scientists
Ability to work independently and under deadlines in a mixed government-contractor environment
To be considered, must have a current and active Secret security clearance
Preferred Qualifications:
Experience working with modeling and simulation, Python, GPU compute, HPC resources, EO/IR sensor phenomenology, infrared threat systems
Previous experience with department of defense software applications
NKE
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:
September 14, 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.
Responsibilities
- Perform tasks related to the integration of an infrared threat simulation into a multispectral few-on-few, C++ based simulation environment
- Work with a team of engineers and collaborate on team tasking
- Collaborate with teams of government and contractor personnel
- Participate in the design and implementation of tools that support the wider multispectral simulation
- Test and evaluate implementations, provide feedback to developmental team and team partners
- Develop, code and test software and prepare documentation requested by the government customer
Qualifications
- Bachelor’s degree in CS, CE, EE or a related field with 2+ years of applicable experience or an MS degree in CS, CE, EE, or a related field
- Experience with C++, Linux
- Experience with modeling and simulation (M&S) techniques
- Excellent English-language written and verbal communication
- Strong emphasis on writing ability
- Great people skills and the desire to work with technical teams of engineers and scientists
- Ability to work independently and under deadlines in a mixed government-contractor environment
- Must have a current and active Secret security clearance
Skills mentioned
About Leidos
Leidos is an industry and technology leader serving government & 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. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.