Senior Trajectory and GNC Engineer

Key Responsibilities

• Develop and run trajectory simulations for missiles, spacecraft, hypersonic vehicles, and other aerospace systems.
• Build, validate, and maintain 3-DOF and 6-DOF vehicle models.
• Model vehicle dynamics, propulsion, aerodynamics, navigation, guidance, and control behavior using available vehicle data and engineering assumptions.
• Develop, test, and refine guidance algorithms and control loops.
• Evaluate model performance and verify accurate implementation against expected system behavior.
• Conduct trajectory, performance, and trade-space analyses to answer complex engineering and mission questions.
• Optimize simulation performance for integration into larger modeling and simulation environments.
• Collaborate with software developers, analysts, and subject matter experts to support mission-focused simulation tool development.
• Document modeling approaches, assumptions, analysis results, and technical findings.

Basic Qualifications

• Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, Physics, or a related technical field.
• Ten or more years of relevant experience in aerospace vehicle modeling, trajectory simulation, GNC analysis, or related modeling and simulation work.
• Experience with missile defense system architecture and elements.
• Experience with C++ or Python.
• Experience integrating models or algorithms into larger modeling and simulation architectures.
• Experience organizing software projects and using version control tools such as Git.
• Experience developing guidance algorithms, control loops, or related flight dynamics models.
• Familiarity with Monte Carlo analysis, sensitivity studies, or performance trade studies.
• Ability to synthesize vehicle data and engineering inputs into usable simulation models.
• Active Secret or higher security clearance.
• Ability to work on-site at an Aurex office in Huntsville, AL.

Preferred Qualifications

• Twelve or more years of relevant experience.
• Master’s degree or higher in Aerospace Engineering or a related technical field.
• Experience with trajectory simulation tools such as TAOS, QuickShot, POST2, or similar.
• Experience with MATLAB/Simulink.
• Experience with MATLAB/Simulink Embedded Coder.

How You Will Be Rewarded

The salary range for this role is $180,000 - $220,000 annually. We offer a comprehensive total rewards approach to compensation, providing incentives and benefits that extend far beyond the base salary. Compensation is determined by the candidate’s work experience, education, training, and relevant skills. We offer a competitive benefits package designed to support our employees' health, well-being, and professional growth.

Job Location

Huntsville, AL

Aurex is an Equal Opportunity Employer

It prohibits discrimination, retaliation, or any type of harassment on the basis of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, citizenship, immigration status, or any other legally protected status in employment, including in hiring, firing, and recruiting decisions.

Background Check

A background check will be required prior to any hire.

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