Sr. Principal Systems Engineer - Signal and Sensor Modeling Engineer

Prattwhitney; Tucson (AZ); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Relocation assistance

Medical insurance

401(k) match

Flexible work schedules

Job summary

Prattwhitney is seeking a Sr. Principal Systems Engineer – RF Signal and Sensor Modeling Engineer in Tucson, AZ. The role involves developing advanced modeling techniques and coordinating with multiple teams to implement solutions.

Ideal candidates will have a Bachelor's degree in a STEM field and a minimum of 10 years experience, along with proficiency in C++, MATLAB, and a strong background in electro-optics.

We offer comprehensive benefits, including medical, dental, and flexible work schedules.

Qualifications

• Minimum of 10 years of relevant experience.
• Experience applying object-oriented software design in C++ and using MATLAB or Python for evaluation of data sets.
• Ability to obtain an Interim Secret U.S. government issued Security Clearance prior to start date.

Responsibilities

• Champion novel solutions for advanced modeling techniques.
• Develop new C++ models in an extensible and maintainable fashion.
• Research and develop novel EO or RF modeling solutions.

Skills

C++ programming

Modeling techniques

Electro-optics

Signal processing

Python

Education

Bachelor's degree in Engineering, Science, Physics, Mathematics, or a related STEM field

Advanced degree in Engineering, Science, Mathematics, or a related STEM field

Tools

UNIX/Linux

MATLAB

Python

C

Job description

Job Details

Date Posted: 2026-05-07

Location: Tucson, AZ, USA (9020 S Rita Rd, BLDG 9020)

Position: Sr. Principal Systems Engineer – RF Signal and Sensor Modeling Engineer

Type: Onsite

Security Clearance: Secret (Interim required prior to start date, ability to obtain special program access after start). U.S. citizenship required.

Responsibilities

• 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 software implementation.
• Enable customers’ success through 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 the team.

Qualifications You Must Have

• Bachelor’s degree in Engineering, Science, Physics, Mathematics, or a related STEM field.
• Minimum of 10 years of 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, Apple OS, or Windows command line.
• Experience in electro-optics or radar processing, 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.

Qualifications We Prefer

• Advanced degree in Engineering, Science, Mathematics, or a related STEM field.
• 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 environments.
• Experience interfacing with adjacent engineering disciplines (Signal Processing, Systems Engineering, Hardware Engineering).

What We Offer

We offer relocation assistance for this position.

Benefits include 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, and holidays. Additional benefits may include annual short-term and long-term incentive compensation programs, depending on level and collective bargaining agreements.

EEO Statement

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 Section503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.