RTX

161 matching jobs for “Senior Software Engineer (Onsite)”

How results work

Exact titles rank first, then title variations and keywords in descriptions. These labels aren't qualification scores. Without keywords, recently added jobs appear first.

RTX

Senior Software Engineer

Westford, Massachusetts, United States

Perform software development with a highly skilled software team. Provide direct support of program efforts and proposal …

Added Oct 27, 2026

Save job

RTX

Senior Engineer, Software Engineering

Cedar Rapids, Iowa, United States

Pay posted by employer$133,494–$165,200

… design, development, and utilization of electronic data processing systems for product and commercial software. Determine end user needs by analyzing system capabilities to resolve problems on program intent, output …

Added Oct 27, 2026

Save job

RTX

Senior Engineer, Software Engineering

Cedar Rapids, Iowa, United States

Pay posted by employer$135,803–$165,200 USD per year

Added Oct 27, 2026

Save job

RTX

Senior Engineer, Software Engineering

Melbourne, Florida, United States

Pay posted by employer$155,501–$165,200 USD per year

Design and implement build procedures that are used to support hardware and software product development and use. Design, develop, document, test and design control and diagnostic systems that …

Added Oct 27, 2026

Save job

RTX

Senior Engineer, Software Engineering

Cedar Rapids, Iowa, United States

Pay posted by employer$135,803–$165,200 USD per year

… Cabin Systems Market, in all stages of the product development life cycle across various products, design software solutions for complex systems, implementing software solutions from existing designs, software …

Added Oct 27, 2026

Save job

RTX

Senior Principal Software Engineer - Integrated Product Team Lead (Onsite)

US-IN-FT WAYNE-150A ~ 1010 Production Rd ~ BLDG 150A

… Department is seeking a skilled and motivated Integrated Product Team (IPT) Program Lead for the Patriot Software and Training Devices IPT. In this position, you will oversee the strategy, execution, development, and …

Added Oct 27, 2026

Save job

RTX

Senior Principal Software Engineer - Integrated Product Team Lead (Onsite)

Huntsville, Alabama, United States +1 location

Added Oct 27, 2026

Save job

RTX

Senior Software Engineer - Embedded

Plano, Texas, United States

… creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Software organization develops the applications that drive missiles, launchers, radars, naval systems, fire control …

Added Oct 27, 2026

Save job

RTX

Senior Software Engineer - C++

Marlborough, Massachusetts, United States

… codebases. Analyze numerical accuracy and runtime latency. Collaborate with systems, hardware, and other software engineers to understand and implement end-user requirements. Maintain high code quality by supporting code …

Added Oct 27, 2026

Save job

RTX

Senior Engineer, Software Engineering

Cedar Rapids, Iowa, United States

Pay posted by employer$135,803–$165,200 USD per year

Develop, integrate and verify software for the flight deck displays and crew alerting systems for Boeing commercial aircraft. Work with team and …

Added Oct 27, 2026

Save job

RTX

Sr. Principal Engineer – Agile Software Development – CDS / Engine System Software P5 (Onsite)

East Hartford, Connecticut, United States

… and diagnostic system development and support, including requirements analysis & definition, system & software architecture, algorithm design, product software design, verification & validation and engine and flight …

Added Oct 27, 2026

Save job

RTX

Senior Platform Software Engineer

Woburn, Massachusetts, United States +1 location

… a safer, more secure world. Join us and help shape the future of aerospace and defense. We are seeking a Senior Platform Engineer to join the Missile Defense Sensors (MDS) Software Department. The MDS Software mission …

Added Oct 27, 2026

Save job

RTX

Senior Embedded Software Engineer

Tucson, Arizona, United States

… creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Our Senior Embedded Software Engineer is a technical position that works in an Integrated Product Team (IPT) …

Added Oct 27, 2026

Save job

RTX

Senior Embedded Software Engineer

Tucson, Arizona, United States

Added Oct 27, 2026

Save job

RTX

Senior Principal Software Engineer and Certification Focal - Display Products (Onsite)

Cedar Rapids, Iowa, United States

… on cutting-edge Avionics displays for safety-critical commercial and military applications? As a Sr. Pr. Software Engineer in our Display Products Department, you will design, develop, and verify innovative display …

Added Oct 27, 2026

Save job

RTX

Sr HWIL Software Engineer

Tucson, Arizona, United States

… to understand requirements, design solutions, integrate, and deploy the systems to help support tactical software development, testing, and delivery for missiles to the warfighter. This position is within the Effectors …

Added Oct 27, 2026

Save job

RTX

Software Systems Quality Engineer onsite Tucson, AZ

Tucson, Arizona, United States

… world. Join us and help shape the future of aerospace and defense. We have an immediate need for an onsite Senior Software Systems Quality Engineer (Compliance) to support Land & Air Defense Systems (LADS). Programs LADS …

Added Oct 27, 2026

Save job

RTX

Senior Software Engineer (Hybrid)

Rockford, Illinois, United States

… Type: None/Not Required

 Security Clearance Status: Not Required Collins Aerospace is seeking a Senior Software Engineer to support the development of embedded flight software for electric power distribution …

Added Oct 27, 2026

Save job

RTX

Senior Embedded Software Engineer

Cedar Rapids, Iowa, United States

… of the global market. Join us and help shape the future of aerospace and defense. Join a fast-growing software development team focused on creating new and innovative technologies to ensure the security of connected …

Added Oct 27, 2026

Save job

RTX

Senior Software Engineer (Mission Systems)

McKinney, Texas, United States +1 location

… a safer, more secure world. Join us and help shape the future of aerospace and defense. As part of the Software Engineering Space and Air Center team, you will be an integral part of helping Raytheon further our vision …

Added Oct 27, 2026

Save job

RTX

Senior Software Engineer

Westford, Massachusetts, United States

View job

Save job

About this opportunity

Original employer description

Date Posted:

2026-09-29



Country:

United States of America



Location:

US-MA-WESTFORD-WFD7 ~ 7 Technology Park Dr ~ BLDG 7



Position Role Type:

Onsite



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

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

What You Will Do:

Perform software development with a highly skilled software team.
Provide direct support of program efforts and proposal activities.
Provide mentorship and technical insight into new software components.
Develop software in multiple languages, including but not limited to C++, Java, Typescript.
Integrate software into larger systems in engineering and test labs
This 1st shift role will be 100% on-site and based in Westford, MA.

Qualifications You Must Have:

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior work experience, or an Advanced Degree in a related field and a minimum of 3 years of prior work experience.
Experience with Linux Java/C++ development with a focus on application scalability and performance.
This 1st shift role will be 100% on-site and based in Westford, MA.
The ability to obtain and maintain a U.S. government issued Secret security clearance post-start is preferred. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer:

BS degree in Software Engineering or a related major is HIGHLY PREFERRED.
Algorithm development and/or implementation (imaging, navigation, communication, etc.)
Familiarity with imaging systems, control systems, navigation, or ISR.
BS degree in Software Engineering or a related major is HIGHLY PREFERRED.• Experience with estimating software tasks for extended periods of time (i.e. longer than 12 months).
Experience interacting with internal organizations and disciplines.• Experience with Kubernetes.
Experience with Machine Learning concepts.• Experience with GPU Programming.
Ability and desire to facilitate team growth and knowledge transfer.
Communication, interpersonal, and decision-making skills.

Learn More & Apply Now!

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

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.

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 86,800 USD - 165,200 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:

Click on this link to read the Policy and Terms

Why this result? · Employer labels

Keywords also found in description

Location reference: GeoNames (CC BY 4.0), normalized by Referizz.