Senior Principal Acoustics Signal Processing Engineer

RTX Corporate; Middletown (RI); On-site; USD 132,000 - 252,000; Full time

Job summary

RTX BBN Technologies in Middletown, RI seeks a senior software engineer to design real-time C/C++ software and advanced detection/classification algorithms for state-of-the-art sensor systems. You will work with MATLAB for prototyping and data analysis.

You will optimize sensor architectures, perform hardware-in-the-loop testing, and help guide architectural decisions while mentoring junior engineers. DoD Secret clearance is required.

Qualifications

• Bachelor’s degree in STEM with 10+ years of professional experience, or Master’s with 7+ years, or PhD with 5+ years.
• Extensive C/C++ development for real-time systems.
• Experience with MATLAB for prototyping and data analysis.
• Active DoD Secret security clearance required.

Responsibilities

• Develop sophisticated algorithms for detection and classification on deployed systems.
• Optimize sensor system architectures and software frameworks.
• Support real-time evaluation and hardware-in-the-loop testing.
• Guide architectural decisions and mentor junior engineers.

Skills

C/C++ (real-time)

MATLAB

Signal processing

Security clearance (DoD Secret)

Travel willingness

Education

Bachelor’s degree in STEM

Master’s degree in STEM

PhD in STEM

Tools

MATLAB

Job description

Date Posted:

2026-11-02

Country:

United States of America

Location:

US-RI-MIDDLETOWN-201 ~ 127 John Clarke Rd ~ BBN MIDDLETOWN, Ste 3

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required on day 1

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 a wide ranging 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.

What You Will Do:

• Develop Sophisticated Algorithms: Design and evolve advanced detection and classification algorithms for start-of-the-art deployed systems.
• Optimize Sensor Systems: Design and implement complex software architectures specifically tailored to optimize sensor system capabilities.
• Mission-Critical Evaluation: Support the real-time evaluation and hardware-in-the-loop testing of your designs in realistic, high-fidelity mission scenarios.
• Maximize Architecture Performance: Optimize algorithm architecture and execution frameworks to achieve the highest possible computational performance on both embeddedand server-based hardware platforms.

What You Will Learn:

• Undersea Defense Systems: Gain exposure to a wide variety of advanced undersea sensor systems, vehicle platforms, test methodologies, and end-user needs.
• Cross-Functional System Integration: Learn how large-scale, complex sensor suites integrate real-time software with complex physical hardware environments.
• Technical Leadership: Scale your expertise by guiding architectural decisions and mentoring junior engineering talent within complex project lifecycles.

Qualifications You Must Have:

• Bachelor’s degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline plus 10 years of professional experience. Or Master’s degree plus 7 years of professional experience, or Ph.D. degree plus 5 years of professional experience.
• Core Software Expertise: Extensive, hands-on development experience using C/C++ and advanced computer system design concepts to create software that executes in real-time.
• Modeling & Simulation: Extensive experience with MATLAB (or similar) programming for algorithm design, prototyping, and data analysis.
• Signal Processing Foundation: Extensive professional experience applying core and advanced Signal Processing concepts.
• Mobility: Willingness and ability to travel to support field testing, system evaluations, and customer integration events.
• Security Clearance: An active Department of Defense (DoD) Secret security clearance is required.

Qualifications We Prefer:

• Acoustics Expertise: Prior experience working with underwater acoustics, sonar systems, or marine environment processing.
• Modern AI Pipelines: Experience implementing machine learning techniques directly utilized within a Detection, Classification, Localization, and Tracking (DCLT) pipeline.

Work Location: Onsite- Middletown, RI

Onsite:

Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products

The salary range for this role is 132,400 USD - 251,600 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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