GNC Engineer

Job Title:

Simulation Engineer Job Description Join our team to design, develop, and implement high-quality software and simulation toolchains for missile flight systems. You will play a critical role in developing and integrating autopilot and guidance algorithms, while collaborating closely with software and hardware teams to enhance missile flight code. Utilize trajectory-optimization tools, create scripts, and maintain modeling frameworks to ensure precise performance metrics. Responsibilities Design, develop, implement, verify, and test high-quality software and simulation toolchains for missile flight systems. Develop and integrate autopilot and guidance algorithms directly into missile flight code. Collaborate with software and hardware teams to incorporate algorithms into the vehicle's flight software. Use trajectory-optimization tools to generate, interpret, and analyze vehicle trajectory results. Modify or create new scripts (e.g., Python, MATLAB) to capture customer requirements and measure vehicle performance. Build, validate, and maintain modeling and simulation frameworks for aerospace vehicles, ensuring accuracy across operational scenarios. Enhance simulation fidelity by integrating advanced modeling techniques to support system analysis. Conduct rigorous testing and evaluation of simulation models, resolving discrepancies between simulated and real-world performance metrics. Gather, post-process, and analyze large data sets to verify and validate performance results. Ensure simulation outcomes match intended performance metrics and system specifications. Perform other duties as assigned. Essential Skills Experience developing autopilot algorithms. Knowledge of vehicle dynamics and GNC experience in missiles for rockets. Ability to run high-fidelity 6DOF/3DOF simulations on HPC cluster for modeling vehicle trajectory and performance. Proficiency in C++, Python, MATLAB. Familiarity with SLRUM, PBS, and CI/CD Pipelines. Bachelor's degree with 5 years of professional experience, Master's degree with 3 years, or PhD with 1 year of experience. Additional 4+ years of experience may be considered in lieu of degree. Active U.S. Government DoD Secret security clearance at time of application, current and within scope. At least 3 years of GNC experience in missiles for rockets. Experience with seeker and tracking for IR seekers within the past year. Working knowledge of 6DOF - degrees of freedom, written in C++. Additional Skills & Qualifications At least 5 years of GNC missile for rockets experience. Experience working with GNC algorithms for hypersonic missiles. Experience with IR discrimination and tracking. Ability to create CI/CD Pipelines, automating simulation runs and post-processing. Experience running 6DOF/3DOF simulations on HPC cluster. Familiarity with state estimation and state propagation techniques. Work Environment Enjoy a fully flexible schedule while working with a team that thrives on intellectual curiosity and cognitive diversity. Our culture fosters bringing your whole self to work, offering a unique opportunity to be part of groundbreaking advancements. Engage in a collaborative and innovative environment where bold ideas and pioneering spirit are encouraged. Job Type & Location This is a Contract position based out of Chandler, AZ. Pay and Benefits The pay range for this position is $40.00 - $55.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the 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) Workplace Type This is a fully onsite position in Chandler,AZ.

Application Deadline This position is anticipated to close on Mar 17, 2026. About Actalent Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.