RTX

163 matching jobs for “Senior Software Engineer”

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RTX

Senior Software Engineer

Gloucester, South Gloucestershire +1 location

Design and build software using industry best practice Collaborate with stakeholders and other engineers Contribute to the completion …

Added Oct 27, 2026

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RTX

Senior Software Engineer

Gloucester, South Gloucestershire

Design and build software using industry best practice Collaborate with stakeholders and other engineers Contribute to the completion …

Added Oct 27, 2026

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RTX

Senior Software Engineer

Gloucester, South Gloucestershire +1 location

Design and build software using industry best practice Collaborate with stakeholders and other engineers Contribute to the completion …

Added Oct 27, 2026

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RTX

Senior Software Engineer

London, London

You'll be part of our experienced Software Engineering function, working in a cross-functional team, delivering and deploying critical software across …

Added Oct 27, 2026

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RTX

Senior Software Engineer

El Segundo, California, United States

Design, develop, and test software based on software trouble reports in an agile, collaborative environment, delivering builds Demonstrate …

Added Oct 27, 2026

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RTX

Senior Software Engineer

Rockford, Illinois, United States

Develop embedded software for aerospace electric power systems. Participate in the full software development lifecycle, from planning …

Added Oct 27, 2026

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RTX

… safer, more secure world. Join us and help shape the future of aerospace and defense. Our Battle Management Software Department is looking for software engineers to support development, test, and other tasks throughout a …

Added Oct 27, 2026

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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

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RTX

Senior Software Engineer

Cambridge, Massachusetts, United States

… following position is to join our BBN Technologies team: Role Overview: We are seeking an experienced SW engineer to join our Physical Sciences and Systems group in Cambridge, Massachusetts. You will join a project team …

Added Oct 27, 2026

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RTX

Senior Software Engineer, Onsite

Fullerton, California, United States

… Java application code and support integration and test; verification of requirements. The position is for a Senior Software Engineer role that is responsible for conducting dry runs and formal runs of the software verification tests. This …

Added Oct 27, 2026

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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

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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

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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

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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

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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

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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

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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

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RTX

Senior Software Engineer ATMS

Harlow, Essex

… motivated and talented individuals across a diverse set of backgrounds and skill sets. Main Duties: As a Senior Software Engineer you will work within our existing software engineering team bringing your experience of real-time embedded …

Added Oct 27, 2026

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RTX

Senior Software Engineer (Onsite)

Cedar Rapids, Iowa, United States

… meet the demands of the global market. Join us and help shape the future of aerospace and defense. As a Senior Software Engineer, you will contribute to the development of advanced software solutions that support a variety of …

Added Oct 27, 2026

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RTX

Senior Software Engineer – Navigation Software (ONSITE)

Melbourne, Florida, United States

… an onsite position in Melbourne, Florida. What you will do: Design, implement, integrate, and maintain NAV software modules that provide navigation data to the Collins FMS. Develop software in ADA, C++, C, and Python …

Added Oct 28, 2026

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RTX

Senior Software Engineer - C++

Marlborough, Massachusetts, United States

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About this opportunity

Original employer description

Date Posted:

2026-08-20



Country:

United States of America



Location:

US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2



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.

This is your opportunity to join the Receiver Exciter and Processing Architecture (REPA) Department as a Senior Software Engineer. The team’s primary goal is to design, architect, and implement signal processing algorithms on a variety of high-performance processing platforms – including CPUs, FPGAs and GPUs, on COTS and semi-custom hardware platforms, for next generation radar systems.

What You Will Do:

Code, test, and integrate C++ real-time signal processing algorithms or control functions for sensor systems on Linux.
Defect resolution and code maintenance/updating of existing 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 reviews, static analysis, continuous integration.

Qualifications You Must Have:

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience, or an Advanced degree in a related field and minimum 3 years experience.
C++ software development experience in Linux environments.
Experience with networking concepts and protocols.
Experience with Object-Oriented Analysis / Design (OOAD).
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.

Qualifications We Value:

Realtime software development experience.
Experience with developer tools (Git, CMake, GoogleTest, gdb, profilers, Jenkins, UML).
Experience with scripting (Python, shell, bash).
Experience with Agile methodologies (Scrum).
Experience with DPDK.
Experience with numerical libraries such as MKL, FFTW, BLAS, LAPACK, and ARM PL.
Experience with DDS (Distributed Data Systems).
Experience in C++20 or newer.
Experience with Linux device drivers.
Experience developing GPU software with Nvidia Cuda.
Radar or DSP knowledge.
Active / Existing Secret U.S. Security Clearance.

What We Offer:

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
This position offers relocation based on candidate eligibility.

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.
Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

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.

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