Research Software Engineer I (Onsite)

Prattwhitney; Cambridge (MA); Hybrid; USD 57,000 - 109,000; Full time

Benefits offered by this job

401(k) match

Flexible work schedules

Employee Scholar Program

Job summary

RTX BBN Technologies, a subsidiary of RTX Corporation, is the research company behind many revolutionary advances. BBN's scientists and engineers are pushing the state-of-the-art in AI planning, compiler development, and OS-related capability projects in a collaborative environment.

You will work with a small team on cutting‑edge research and development, designing prototype software with open‑source tools, and delivering practical solutions to complex problems.

Qualifications

• BS degree in CS/CE/EE or STEM major completed by start date.
• Experience with distributed systems, middleware and AI.
• Familiar with Linux, networking basics and cloud integration.

Responsibilities

• Work with a small team on AI-based planning and scheduling projects.
• Design and develop prototype software using open-source technologies.
• Receive and incorporate feedback from end users and field tests.
• Explore technical possibilities collaboratively with world-class colleagues.
• Deliver practical solutions to complex problems.

Skills

Java

C

Linux

Networking

Cloud integration

Distributed systems

Middleware

AI

Education

Bachelor's degree in Computer Science or STEM

Tools

LLVM

Job description

Date Posted: 2026-09-24 Country: United States of America Location: US-MA-CAMBRIDGE-BBN06 ~ 10 & 50 Moulton St ~ MOULTON B6 Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. 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 after day 1 Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.

What You Will Do

RTX BBN Technologies, a subsidiary of RTX Corporation, is the research company behind many revolutionary advances that we take for granted today. BBN is where email was invented, and the first routers were implemented. Today, BBN's scientists and engineers are working to advance the state‑of‑the‑art on topics ranging from machine language translation to quantum cryptography. BBN offers the opportunity to perform exciting and revolutionary research that solves important problems in an exciting, collaborative environment.

Work with a small team on cutting-edge research and development projects, focusing on AI based planning and scheduling (e.g., in the context of joint all domain command and control), novel compiler (e.g., LLVM passes) and/or OS-related (e.g., kernel modules, userland services) capability development Design and develop prototype software using the latest open‑source technologies Receive and incorporate feedback from end users, field tests, and exercises Explore technical possibilities collaboratively with motivated, world class colleagues Deliver practical solutions to complex problems

Qualifications You Must Have

• BS degree in Computer Science, Computer Engineering, Electrical Engineering, or STEM major obtained by start date.
• Experience with Java and/or C, Linux, basic Networking, and Cloud Integration Experience with distributed systems, middleware, and AI.

Qualifications We Prefer

• Creative problem solving and experimental design
• Good oral and written communication skills
• Work in a self-directed manner as part of a team

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

The salary range for this role is 57,200 USD - 108,800 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.

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.