Principal Systems Engineer - Signal and Sensor Modeling Engineer

Position

Principal Systems Engineer – Signal and Sensor Modeling Engineer

Location: Tucson, AZ

Employment Type: Onsite, U.S. citizenship and active security clearance required.

• Champion novel solutions for advanced modeling techniques.
• Develop new C++ models in an extensible and maintainable fashion.
• Deploy EO or RF phenomenology and advanced physics principles in a software implementation.
• Enable customers’ success by adoption and utilization of modeling solutions.
• Work efficiently inside an established software product, across programming languages and build environments.
• Research and develop novel EO or RF modeling solutions.
• Coordinate with multiple development teams to prioritize and solve complex software and physics problems.
• Mentor and share EO or RF expertise with your team.

Required

• Bachelor’s degree in Engineering, Science, Physics, Mathematics or related STEM field.
• Minimum 8 years of relevant experience.
• Experience applying object‑oriented software design in C++, C, MATLAB or Python for data evaluation.
• Command of UNIX/Linux or Apple OS or Windows DOS command line.
• Knowledge in electro‑optics or radar processing, Imaging EO/IR/RF systems, energy transport, radar physics, signal processing and/or discrimination algorithms.
• Ability to obtain an Interim Secret U.S. government‑issued security clearance; U.S. citizenship required.

Preferred

• Advanced degree in Engineering, Science, Mathematics or related STEM field.
• Experience with OpenGL, CUDA, or GPU‑accelerated languages and scene generation / sensor modeling technologies.
• Experience in electronic warfare modeling and developing signal processing algorithms for missile applications, signal & image processing, digital communications, estimation theory or AI/ML.
• Experience with real‑time programming, build systems (Make/CMake) and large production software environments.
• Experience interfacing with adjacent engineering disciplines (Signal Processing, Systems Engineering, Hardware Engineering).

Salary range: $107,500 – $204,500 USD.

Relocation assistance available. Eligible for medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, parental leave, paid time off, and holidays. Additional incentive compensation may be available.

U.S. citizenship and an Interim Secret clearance required prior to start date. Ability to obtain special program access after start.

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 in employment for qualified individuals with a disability and protected veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.