Senior Modeling & Simulation Engineer: National Security Missions (Space Systems)

Location: Los Angeles, CA; on-site in a secure environment

Salary: $160,000–$200,000 per year plus equity

Company

hirify.global develops high-power satellite platforms for commercial and US government missions from low Earth orbit to deep space.

What you will do

• Develop mission-level modeling and simulation for national security space missions, including operational objectives, environments, and constraints.
• Model constellation-level capabilities such as network coverage, beam planning, and resilience in contested environments.
• Create and maintain simulation infrastructure and physics-based models for spacecraft propulsion, attitude control, power, and communications systems.
• Analyze data and investigate anomalies to identify and resolve on-orbit problems.
• Support spacecraft subsystem integration and testing.
• Set technical direction, review designs and code, and mentor other engineers.

Requirements

• Active TS/SCI clearance, or a TS/SCI clearance held within the last 12 months, and US citizenship are required.
• Prior experience with classified national security programs and secure/SCIF environments is required.
• Bachelor’s degree in physics, aerospace, mechanical or electrical engineering, computer science, mathematics, or another STEM field.
• 5+ years of professional modeling and simulation experience.
• Development experience in Rust, C++, or a similar compiled language.
• Experience with scientific Python, Julia, MATLAB, or similar tools, plus the ability to own complex systems end-to-end and guide other engineers.

Nice to have

• Master’s or PhD in a relevant STEM field.
• Mission-level or campaign-level modeling and simulation experience for defense or national security applications.
• Production Rust experience and experience defining simulation systems.
• Experience with Monte Carlo simulations, probability and statistics, linear algebra, controls, or orbital mechanics.
• Experience with space communications modeling, including RF and ground stations.
• Knowledge of electronics, Linux, computer architecture, continuous integration, and continuous delivery systems.

Culture & Benefits

• Work on classified national security programs and high-power spacecraft missions.
• Comprehensive benefits package including paid time off, medical, dental and vision coverage, life insurance, and paid parental leave.
• Equity in the company.
• Reasonable accommodations are available during the application and interview process.