Software Engineer I (Onsite)

Prattwhitney; Portsmouth (RI); On-site; USD 57,000 - 109,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) match

Flexible schedules

Paid time off

Job summary

RTX is seeking candidates for an onsite software engineering role in Portsmouth, RI. A U.S. government security clearance is required, with U.S.

citizenship. You will contribute to requirements, design, development and testing of real-time embedded software and related tools, and collaborate with engineering teams. Qualifications include a STEM bachelor's degree and experience with C++, C, or Java; knowledge of data structures, OS concepts; familiar with Unix/Linux; and a team-oriented,

Qualifications

• Requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM).
• Experience or Education with software development.
• Experience with C++, C, Java or similar higher level programming language.

Responsibilities

• Assist and participate in the requirements, design, development and testing of real-time embedded software, application software, and tools.
• Design, code, test, integrate, and document software solutions.
• Collaborate with project managers and other professionals within Engineering.
• Follow established development practices and processes to maintain the configuration management of software products.

Skills

C++

C

Java

Security clearance knowledge

Team collaboration

Education

Bachelor's in STEM

Tools

Unix/Linux

Job description

Date Posted: 2026-09-15 Country: United States of America Location: US-RI-PORTSMOUTH-PS1 ~ 1847 W Main Rd ~ NIMITZ BLDG 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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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:

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. Assist and participate in the requirements, design, development and testing of real‑time embedded software, application software, and tools, to include development of new work products or enhancement of existing applications and systems. Design, code, test, integrate, and document software solutions. Participate in internal review of software components and systems. Collaborate with project managers and other professionals within Engineering. Follow established development practices and processes to maintain the configuration management of software products.

Qualifications You Must Have:

Requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM). Experience or Education with software development. Experience with C++, C, Java or similar higher level programming language.

Qualifications We Prefer:

Knowledge of data structures and algorithms, systems software design, operating systems, architectures, software development life cycle and processes. Experience in a Unix/Linux operating system. Strong problem‑solving and communication skills, including ability to produce technical documentation, and the desire to learn new technologies and tools. Excellent interpersonal and communication skills to work effectively with cross‑functional teams. Experience developing software in a team‑based development environment, preferably Agile/SCRUM, DevOps and test automation.

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. Relocation Eligible

Please consider the following role type definition as you apply for this role.

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.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in‑person at one of our office locations, regardless of whether the role is designated as on‑site, hybrid or remote.

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.

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.

Privacy Policy and Terms:

RTX 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, Pratt & Whitney, and Raytheon. Its 195,000 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, Virginia.