Gnc Engineer

About the role

Design, analyze, and implement GNC algorithms and simulations for aerospace vehicles. Maintain and develop analysis tools, regression test scenarios, Monte Carlo framework, and simulation architecture. Perform 6‑DOF modeling, simulation, and performance analysis to evaluate system behavior under both nominal and off‑nominal conditions. Build high‑fidelity dynamic models of vehicles, sensors, actuators, and environmental models. Conduct Monte Carlo analyses and sensitivity studies to validate robustness and reliability. Validate simulation models against test data and engineering expectations. Use C/C++, Python, and Matlab (or similar) to develop simulations. Collaborate with embedded software teams to integrate, test, and verify GNC functionality on hardware‑in‑the‑loop (HIL) systems. Support the development of requirements, interface definitions, and verification plans for flight software.

Responsibilities

• Design and implement GNC algorithms and simulations for aerospace vehicles.
• Maintain and develop analysis tools and simulation architecture.
• Perform 6‑DOF modeling, simulation, and performance analysis.
• Build high‑fidelity dynamic models of vehicles, sensors, and actuators.
• Conduct Monte Carlo analyses and sensitivity studies.
• Validate simulation models against test data.
• Collaborate with embedded software teams for GNC functionality integration.
• Support development of requirements and verification plans for flight software.

Essential Skills

• 5+ years of software experience.
• 5+ years in the aerospace industry.
• Proficiency in C++ and Python programming.
• Experience with NASA GUNNS and TRICK simulation software.
• Flight vehicle experience.
• Proficiency in Simulink and software development.

Job Type & Location

Contract position, fully onsite in Houston, TX.

Pay

The pay range for this position is $55.00 – $80.00 per hour. Individual compensation within this range will depend on qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent factors.

Benefits

• Medical, dental & vision coverage
• Critical Illness, Accident, and Hospital insurance
• 401(k) retirement plan – pre‑tax and Roth post‑tax contributions
• Life Insurance (voluntary life & AD&D for employee and dependents)
• Short and long‑term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time off/leave (PTO, vacation, or sick leave)

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. The company helps visionary organizations advance engineering and science initiatives through specialized experts who drive scale, innovation, and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia, and Europe, Actalent serves many Fortune 500 companies. Actalent is an Engineering News‑Record (ENR) Top 500 Design Firm and a ClearlyRated Best of Staffing® winner for both client and talent service.