Sr. Principal Systems Engineer - Signal and Sensor Modeling Engineer

Senior Principal Systems Engineer – Signal and Sensor Modeling Engineer

As a Sr. Principal Systems Engineer - Signal and Sensor Modeling Engineer, you will work on a close‑knit team to create advanced, physics‑based modeling solutions in the DoD Space. You will develop key technologies in the EO/IR/RF domain to help engineers grasp the most complex aspects of energy transport, enabling the design and test of tomorrow’s artificial intelligence algorithms and hardware solutions.

You will deploy cutting‑edge technologies, leverage your software development skills and collaborate with your Signal and Sensor Modeling peers. This is an Onsite role in Tucson, AZ.

• You will champion novel solutions for advanced modeling techniques.
• You will develop new C++ models in an extensible and maintainable fashion.
• You will deploy EO or RF phenomenology and advanced physics principles in a software implementation.
• You will enable our customer’s success through adoption and utilization of modeling solutions.
• You will work efficiently inside an established software product, across programming languages, and build environments.
• You will research and develop novel EO or RF modeling solutions.
• You will coordinate with multiple development teams to prioritize and solve complex software and physics problems.
• You will mentor and share EO or RF expertise with your team.

• Typically requires a Bachelor’s degree in Engineering, Science, Physics, Mathematics, or a related STEM degree and a minimum of 10 years of prior relevant experience.
• Experience applying object‑oriented software design in C++, C, and using MATLAB or Python for evaluation of data sets.
• Experience with UNIX/Linux or Apple OS or Windows DOS command line.
• Experience in electro‑optics or in 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 prior to start date with the ability to obtain special program access after start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

• Advanced Degree in Engineering, Science, Mathematics, or related STEM degree.
• Experience with OpenGL, CUDA, or other GPU accelerated languages/architectures and Scene Generation/Sensor Modeling technologies.
• Experience with electronic warfare modeling, developing signal processing algorithms for missile applications, signal & image processing, digital communications, or estimation theory, or AI/ML and training techniques.
• Experience with Real‑time Programming, software change management tools and processes, using and augmenting Build Systems (Make/CMake), and working with large production software environment.
• Experience interfacing with adjacent engineering disciplines (Signal Processing, Systems Engineering, Hardware Engineering).

• Relocation Eligible – relocation assistance available for this position.
• Salary range: $132,400 USD - $251,600 USD (good faith estimate).
• Benefits: medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, holidays.

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.