JobsUSAPrincipal Modeling & SIM Software Developer
Company : Raytheon Technologies
Location : Tewksbury, MA, 01876
Posted Date : 15 September 2025
Job Type : Other
Category : Software Development
Occupation : Software Developer
Job Details
Country:
United States of America
Location:
MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA
Position Role Type:
Onsite
At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world.
We value diverse skills and experience, so don't hold back. Your qualifications could add tremendous value to our team. Our customers come from all different backgrounds, and so do our employees. If you're passionate about what you could accomplish here, we'd love to hear from you.
The Integrated Air and Missile Defense Systems (IAMDS) Department is looking for a Modeling and Simulation Developer with the technical expertise and engineering leadership skills to drive the design and development of world-class Land and Air Defense Systems and Simulations. The IAMDS Department supports Raytheon by providing world class Weapon Systems Engineering. Domain Expertise includes Radar Systems, Effector Systems, Battle Management, Command and Control, Network Design, Battlespace Integration and Interoperability for Domestic and International customers. In our experience, diversity of talent and thought is what drives innovation, and we are looking for motivated engineers who will be responsible for performing Systems Engineering studies and trades, supporting System Requirements definition and analysis, algorithm development, integration, test and evaluation.
Responsibilities to Anticipate:
- Communicate with cross-functional engineering teams to coordinate design plans and requirements analysis.
- Manage program technical risks by evaluating requirements and design aspects.
- Develop and maintain modeling tools incorporating Digital Signal Processing (DSP) with complex time domain elements.
- Incorporate radar system concepts including detection, discrimination, track and signal processing algorithms to model their behaviors and performance.
- Incorporate effector system concepts including guidance and fuzing to model their behaviors and performance.
- Incorporate radar, effector, and command and control system concepts for performance analysis against various threats, to determine system performance.
- Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and 8 years of prior relevant experience, or an Advanced Degree in a related field and 5 years of prior relevant experience. In absence of a degree, 10 years of relevant experience is required.
- Active security clearance
- Advanced knowledge of complex Digital Signal Processing with the ability to develop complex time domain signal models for use in design support and requirements analysis.
- Experience with the development and coding of system models, algorithms, test vectors
- Experience debugging/working within large, unfamiliar codebases
- SW Design/Development experience with:
- C++, object oriented programming
- Linux
- Scripting
- Automated Testing
- Ability to perform design trade-offs (prior to implementation) with the following considerations:
- Computer Memory/Memory management
- Efficiency
- Readability
- Advanced degree in EE, CE, Physics, Math, ME, Aerospace
- Knowledge of Air Defense systems (for example - Patriot System)
- Experience/Familiarity with:
- AFSIM (plugin development/scripting)
- Code Optimization
- Python
- Bash
- GoogleTest framework for automated testing
- Statistics for testing models
- Strong analytic, technical and problem solving skills.
- Demonstrate a desire to develop SW to best SW design practices and standards
Whether you're just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.
The salary range for this role is 101,000 USD - 203,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.
Hired applicants may be eligible for benefits, including but not limited to, 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. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.
Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.
This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.
RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.
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.
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