RTX

163 matching jobs for “Senior Software Engineer”

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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

… 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

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

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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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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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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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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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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Senior Software Engineer (Onsite)

Cedar Rapids, Iowa, United States

… future of aerospace and defense. The Collins Test Solutions Engineering team within Mission Systems seeks a Software Engineer with the desire to learn, grow, and lead a talented team of engineers. The Software Engineer …

Added Oct 27, 2026

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RTX

Senior Software Engineer ATMS

Harlow, Essex

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About this opportunity

Original employer description

Date Posted:

2026-09-16



Country:

United Kingdom



Location:

Harlow, Essex



Position Role Type:

Hybrid

Benefits:

£: Competitive salary
Contributory Pension Scheme (up to 10.5% company contribution)
6 times salary ‘Life Assurance’ with pension
25 days holiday (increasing with service) + statutory public holidays, plus opportunity to buy and sell up to 5 days (37hr)
Company bonus scheme 4% (discretionary)
Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others
Enhanced sick pay
Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave

Work Culture

37hr working week, although hours may vary depending on role, job requirement or site-specific arrangements.
Early 1.30pm finish Friday, start your weekend early!
Remote, hybrid and site based working opportunities, dependant on your needs and the requirements of the role.
Up to 5 paid days volunteering each year.
Flexible working culture focused on output, with more formal flexible working arrangements on request (assessed subject to role) - please highlight any requests to the Talent Acquisition team.

Function: Engineering

Location: Harlow (Hybrid with 4 days a week on site)

Clearance: SC Eligible

Hours: 37 hours per week with early finish on Fridays

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.

Summary of Role:

Raytheon’s ATMS (Air Traffic Management Systems) Software team is seeking talented, enthusiastic and innovative individuals that thrive within an Agile eco-system to deliver world class solutions that make the world a safer place. Become a part of something greater than yourself by bringing your best in collaboration with other 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 software engineering to design, develop, integrate and test systems software to support our worldwide customer base. You will also have opportunity to work on exciting internal R&D projects to support the next generation of ATMS systems.

The main tasks of the role are:

Design and develop product functionality, user interfaces and performance improvements.
Key contributor & reviewer at gate & design reviews.
Act as Subject Matter Expert as part of a wider software and systems engineering group to analyse and resolve software and system defects in response to service requests, incidents, problems and events.
Validating and verifying the design artefacts from internal teams or subcontractors.
Provide input to configuration, safety and quality management as appropriate.
Document design and advise on product support material.
Investigate product issues and develop solutions to customer problems.
Develop test plans and methodologies to ensure product meets Raytheon quality standards.
Lead continuous technical improvement and re-architecting activities.
Assist in updating software design artefacts.
Interfacing with COTS vendors for technical support.
Provide technical support (covering the entire software lifecycle) to Raytheon programmes delivering new capability.

Candidate Requirements:

Essential:

Relevant years' active, hands-on software development experience, working in a Team environment
Relevant years’ experience with C/C++/C# language
Experience in the use of UML in software design and other methodologies
Real-Time Embedded SW programming experience
RTOS knowledge
Knowledge of low-level communication protocols, Ethernet, Serial, PCI Bridge
Hands on fault investigation experience in embedded code environment
Use of tools in software configuration management, requirements definition, high-level and detailed design, defect reporting

Desirable:

Min 2:1 degree in a computer science or related subject
Experience Working in an Agile/SCRUM/DevOps delivery model.
Knowledge of Radar systems.
Hands-on experience in reverse engineering a mature system to take advantage of a modern technology development in hardware, software and firmware.
Competency with design patterns and their application to solve complex problems.

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RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.

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