Lead the architecture and development of high-fidelity modeling and simulation frameworks and digital twins for defense/aerospace systems. Build end-to-end simulations (flight dynamics, controls, sensors, RF, guidance), run Monte Carlo and mission-level analyses, integrate SIL/HIL and digital engineering environments, analyze simulation datasets, define simulation strategy, establish best practices, and mentor engineers to accelerate design and validate system performance across the engineering lifecycle.
CX2 is a next-generation defense technology company founded to deliver spectrum dominance for the United States and our allies. CX2’s AI-enabled hardware and software platforms detect, disrupt and defend the electromagnetic spectrum across land, air, sea and space domains.
We're looking for a Lead Modeling & Simulation Engineer to own the architecture and development of our modeling and simulation capabilities. This individual will be responsible for building high-fidelity digital models of our systems, enabling rapid design iteration, validating performance, and supporting system development across the full engineering lifecycle.
You'll work closely with systems, controls, software, RF, autonomy, and hardware engineers to develop simulation environments that accelerate product development and reduce risk before hardware reaches the field.
This is a highly technical leadership role where you'll define simulation strategy while remaining hands-on with model development and analysis.
Key Responsibilities
- Lead development of modeling and simulation frameworks for complex defense and aerospace systems.
- Develop high-fidelity digital twins to evaluate system performance, mission effectiveness, and operational behavior.
- Build end-to-end simulations incorporating flight dynamics, controls, sensors, communications, RF effects, navigation, guidance, and environmental models.
- Design simulation architectures supporting rapid design trades, system optimization, and hardware development.
- Develop Monte Carlo analyses, probabilistic performance models, and mission-level simulations.
- Partner closely with systems engineers to define requirements and verify system performance through simulation.
- Integrate physics-based models with software-in-the-loop (SIL), hardware-in-the-loop (HIL), and digital engineering environments.
- Analyze large simulation datasets to identify design improvements and technical risks.
- Establish simulation best practices, coding standards, verification methodologies, and model validation processes.
- Mentor other engineers while serving as the company's technical expert in modeling and simulation.
Required Qualifications
- Bachelor's, Master's, or Ph.D. in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Physics, Applied Mathematics, Computer Science, or a related technical field.
- Active U.S. Security Clearance (or the ability to obtain one).
- 8+ years of experience developing modeling and simulation solutions for aerospace, defense, robotics, missiles, UAVs, autonomous systems, or related industries.
- Strong experience with MATLAB/Simulink, Python, C++, or similar simulation environments.
- Experience modeling dynamic systems, control systems, estimation algorithms, or autonomous behaviors.
- Strong understanding of physics-based modeling and numerical methods.
- Experience performing system performance analysis, trade studies, and verification through simulation.
- Comfortable working across multidisciplinary engineering teams.
Bonus Points
- Experience with missile systems, guided weapons, UAVs, autonomous aircraft, or military platforms.
- Experience with digital engineering and Model-Based Systems Engineering (MBSE).
- Familiarity with SysML and Cameo.
- Experience with software-in-the-loop (SIL), hardware-in-the-loop (HIL), or digital twin environments.
- Experience modeling RF propagation, GPS-denied navigation, sensors, EO/IR systems, or electronic warfare.
- Familiarity with Gazebo, Unreal Engine, ROS, STK, AFSIM, MATLAB Aerospace Toolbox, or similar simulation tools.
ITAR Regulations
- To conform to U.S. Government export regulations, applicant must be a US Citizen, Green Card holder, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.
What We Offer
- Competitive salary, stock options and benefits, including health, vision and dental.
- 401K enrollment at 90 days.
- Generous PTO + most Federal Holidays observed.
- Collaborative and inclusive work environment.
- Access to the latest tools and technologies.
- High levels of responsibility and autonomy.
- Professional growth and development opportunities.
- Access to the hardest problems in electronic warfare.
CX2 is a next-generation defense technology company securing spectrum dominance for the United States and its allies. We build AI-enabled hardware and software platforms to detect, disrupt, and defend the electromagnetic spectrum across land, air, sea, and space. Our systems are deployed in the most contested operational environments in the world. We’re backed by leading venture investors in the defense ecosystem and led by founders with track records at Meta, SpaceX, Epirus, and the U.S. Department of Defense.
Equal Opportunity Employer
CX2 is committed to equal employment opportunity. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, veteran status, or any other protected characteristic under federal, state, or local law, including those with a criminal history, in compliance with the CA Fair Chance Initiative for Hiring Ordinance.
To view CX2's privacy policy, please visit: https://www.cx2.com/privacy
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