APEX TK · 2 months ago
Modeling & Simulation Engineer
Chantilly, VA
Full-time
Onsite
Mid, Senior Level
3+ years expAPEX TK is seeking a highly motivated and skilled Modeling & Simulation Engineer to join their team supporting a critical government client. This role involves developing and maintaining physics-based simulation models for spacecraft systems and performing end-to-end performance modeling for satellite missions.
Information Technology & Services
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Develop and maintain physics-based simulation models of spacecraft systems, including structures, sensors, and mission environments
Perform end-to-end performance modeling for satellite missions, integrating sensor, orbital, and environmental models
Conduct sensor phenomenology studies, including optical, infrared, or radar modeling for detection, tracking, and signature analysis
Perform orbital mechanics modeling including orbit determination, orbital maneuvering, and spacecraft flight dynamics
Use scripting languages (Python, MATLAB, or similar) to automate workflows, perform data analysis, and interface between simulation tools
Qualification
Required
Bachelor's or Master's degree in Aerospace Engineering, Mechanical Engineering, Physics, or a related field
3+ years of experience in modeling and simulation for aerospace or space systems
Active Top Secret/SCI w/Poly Clearance
Strong understanding of sensor phenomenology—such as optical, infrared, or radar systems—and associated modeling methods
Intermediate Python programming experience, demonstrated through hands-on experience with tasks such as data manipulation, automation, and development of Python-based solutions. Experience with libraries such as NumPy, SciPy, pandas, and matplotlib is beneficial
Ability to communicate technical results clearly in both written and verbal formats
Preferred
Master's degree in a STEM related field
6+ years of related experience
Experience with other simulation tools and programming languages
Experience with non-cooperative target tracking
Experience with collection & revisit modeling
Knowledge of cloud computing platforms (e.g., AWS, Azure)
Company
APEX TK
We provide domain experts that are precise and efficient, ready to defeat and overcome our client’s most complex challenges.
11-50 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase