Senior Principal Acoustics Signal Processing Engineer

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

Benefits offered by this job

100% paid tuition program

401(k) match

Onsite gym and game room

Paid parental leave

Paid time off

Employee discounts

Job summary

RTX BBN Technologies in Middletown, RI, is seeking a senior engineer to design and optimize real-time detection and classification systems for defense applications. You will develop advanced C/C++ and MATLAB-based algorithms, validate them in hardware-in-the-loop environments, and mentor junior engineers while traveling for field tests.

Role requires 10+ years in real-time engineering, strong signal processing expertise, and an active DoD Secret clearance; onsite Middletown location with

Qualifications

• Education: STEM degree (B.S./M.S./Ph.D.).
• 10+ years in real-time engineering.
• Extensive real-time C/C++ development experience.
• MATLAB for algorithm design/prototyping.
• Strong signal processing foundations.
• Willingness to travel for field tests and customer engagements.
• Active DoD Secret clearance required.

Responsibilities

• Develop sophisticated detection and classification algorithms.
• Optimize sensor system architectures for embedded targets.
• Support real-time evaluation with hardware-in-the-loop testing.
• Maximize architecture performance and computational efficiency.

Skills

Real-time C/C++

MATLAB

Signal Processing

Travel flexibility

Security clearance knowledge

Education

Bachelor’s/Master’s/Ph.D. in STEM

Job description

Date Posted

2026-06-10

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.

The following position is to join our BBN Technologies team:

What You Will Do:

• Develop Sophisticated Algorithms: Design and evolve advanced detection and classification algorithms start-of-the-art systems.
• Optimize Sensor Systems: Design and implement complex software architectures specifically tailored to optimize sensor system lifecycle and execution.
• 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 embedded targets.

What You Will Learn:

• Advanced Defense Frameworks: Deepen your technical edge by working alongside industry experts on next-generation detection systems.
• 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:

• Education: Bachelor’s, Master's, or Ph.D. degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline.
• Experience: 10+ years of professional engineering experience in real-time environments.
• Core Software Expertise: Extensive, hands‑on development experience using real-time C/C++.
• Modeling & Simulation: Extensive experience with MATLAB 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, or 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.

Click on this link to read the Policy and Terms