Senior Software Engineer (Onsite)

2026-08-04

United States of America

US-MA-MARLBOROUGH-MA4 ~ 1001 Boston Post Rd ~ BLDG 4

Onsite

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​

• Experience in Software Engineering to include experience working various phases of the software development lifecycle 

• Experience with Software Development Using C++

• Experience with real-time operating systems (RTOS), embedded programming, processor/board architecture and design

• Working knowledge of Linux, VxWorks or other Real time operating systems

• Experience working in a collaborative team environment that requires communication with other engineering disciplines, Program, and external stakeholders

• 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

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience

• Applied experience in Unified Modeling Language (UML) and Object-Oriented Analysis and Design (OOA/D)

• Understanding of standard system engineering design artifacts such as Use Cases and SysML diagrams.

• Experience with Agile lifecycle process including Scrum, Continuous Integration, and Test-Driven Development Methodologies

• Experience with DevOps, Jenkins and automated testing

• Exposure to Model Driven Development

• Experience with software integration on custom hardware

• Working experience with Microservice Architectures and Containerized Applications

• Scripting language (e.g. Python)

Secret - Current

Active and existing security clearance required on 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.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Raytheon Company, Managed by Collins Aerospace

Collins Aerospace, an RTX company, is a leader in engineering and proposal teams to successfully execute programs and prepare responsive proposals aimed at making the world a safer place. Come support those who provide us with all the freedoms we enjoy. Our commitment to providing an environment that supports innovation, teamwork, and growth opportunities are primary reasons engineers come to work at RTX.

The Strategic Communication Software (SW) Engineering Department has an opportunity for a talented Sr. Software Engineer to join our team. 

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  Participate on collaborative, cross-disciplined integrated product teams, often employing agile software development techniques

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  Responsible for the full lifecycle of product development, from architecture and design, through integration, test, and field support

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  Work and learn the highest software engineering process maturity level as recognized by the Software Engineering Institute

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