Principal Systems Engineer - Modeling Simulation & Analysis Engineer

Position

Principal Systems Engineer – Modeling Simulation & Analysis Engineer

Onsite in Tucson, AZ

Requires a U.S. government issued Secret Clearance (interim obtainable prior to start date). U.S. citizenship is required.

• Create high‑fidelity simulations and models for missile design, performance assessment, and flight test support.
• Develop and implement modeling solutions; conduct trade studies and evaluate system/subsystem performance.
• Work in a team environment, receiving input from supervisors and providing guidance to other members.
• Collaborate with Guidance, Navigation & Control (GNC), Signal Processing, and other personnel to perform simulation activities according to the program schedule.
• Lead work on various projects, develop approaches, and provide guidance throughout the product lifecycle.
• Provide technical expertise for specific program simulation products and assist Senior Modeling Engineers in detailed planning; may interact with government counterparts as an authority.

• Bachelor’s degree in Engineering, Science, Physics, Mathematics, or a related STEM field.
• Minimum eight years of relevant experience.
• Experience applying object‑oriented software design in C++ or C, and using MATLAB or Python for data evaluation.
• Experience developing or simulating physical systems.
• Proficiency in modeling, simulation, statistics, or analysis for engineering solutions.
• Experience as a functional or technical lead within an engineering environment.
• Ability to obtain an interim Secret U.S. government issued Security Clearance prior to start date.

• Advanced degree in Engineering, Science, Mathematics, or related STEM field.
• Leadership experience managing others using system engineering principles.
• Experience creating and presenting technical briefings.
• Experience developing signal processing / GNC algorithms or models for missile applications.
• Experience with control hardware design & test and/or hardware & software integration.
• Experience modeling physics or flight dynamics for missile systems.
• Proficiency with UNIX / Linux workstations and Software Configuration Management tools such as Git.
• Background in radar, signal & image processing, EO/IR environment modeling, digital communications, probability & statistics, linear algebra, estimation theory, optimal control, system architecture, inertial navigation, or guidance theory.

• Competitive salary range: $107,500 – $204,500 USD.
• Relocation assistance.
• Medical, dental, vision, and life insurance.
• Short‑term and long‑term disability coverage.
• 401(k) match.
• Flexible spending accounts.
• Employee assistance program.
• Parental leave and paid time off.
• Holiday pay.
• Potential annual incentive compensation based on performance.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action for qualified individuals with a disability and protected veterans.