Underwater Acoustics Modelling and Evaluation Engineer II

RTX Corporation Job Posting

RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity.

The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA.

For more than 70 years, scientists and engineers in diverse disciplines at RTX BBN Technologies have collaborated to solve real-world problems through research, exploration, development and prototyping. We partner with the best technical talent in academia and industry to challenge the status quo, pioneer new technologies, and create transformative solutions. Our culture enables all employees to find purpose, thrive, and succeed.

By creating an environment where all opinions are valued, risk-taking is encouraged, and excellence is rewarded, we allow our employees to do their best, most important work. We offer industry-leading benefits including 100% paid tuition program, a generous 401k company match, a Retirement Contribution, performance-based incentive plans, an onsite gym and game room, paid parental leave, paid time off and all kinds of employee discounts.

The following position is to join our BBN Technologies team:

What You Will Do:

• Contribute to the design, development, and high-fidelity modeling and simulation of advanced underwater acoustics and real-time signal processing systems.
• Develop, analyze, and optimize complex digital signal processing (DSP) algorithms for sonar applications, acoustic propagation, and performance.
• Travel to customer sites, field test locations, and other RTX facilities to support system integration, sea trials, and program reviews.

What You Will Learn:

• Gain deep, hands-on exposure to next-generation undersea warfare technologies and systems.
• Master advanced hardware-software co-design frameworks alongside top-tier industry experts at RTX.

• Bachelor's, Master's, or Ph.D. degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline.
• 2+ years of professional engineering experience specifically focused on signal processing, modeling, or simulation.
• Active and transferable U.S. government issued Top Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

• Solid, demonstrable understanding of underwater acoustics fundamentals and digital signal processing principles.
• Extensive hands-on experience utilizing MATLAB programming for algorithm formulation and data analysis.
• Willingness and capability to travel domestically and internationally as needed to support critical program milestones.
• Proven experience leveraging Simulink for system-level modeling and generating MEX files for hardware optimization.
• Professional proficiency in C/C++ programming languages targeted for embedded or real-time operating systems.
• Foundational experience implementing or adapting machine learning algorithms to address complex acoustic classification and pattern recognition challenges.
• Strong analytical, communication, and technical writing skills to present complex engineering data to internal leadership and external DoD stakeholders.

Shape the future of global security. To learn more about our mission, explore our collaborative culture, and submit your application, please visit

The salary range for this role is 68,900 USD - 131,100 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,…