Software Engineer I (Onsite)

Location: US-MA-MARLBOROUGH-MA4 ~ 1001 Boston Post Rd ~ BLDG 4. Date Posted: 2026-09-15.

Application window expected to close approximately 40 days after posting.

About the role

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.

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.

Responsibilities

• Participate on collaborative, cross-disciplined integrated product teams, often employing agile software development techniques
• Responsible for the full lifecycle of product development, from architecture and design, through integration, test, and field support
• Work and learn the highest software engineering process maturity level as recognized by the Software Engineering Institute

Requirements

• U.S. citizenship is required (only U.S. citizens are eligible for a security clearance)
• Ability to obtain and maintain a U.S. government issued security clearance
• Security Clearance Type: DoD Clearance: Secret
• Active and existing security clearance required after day 1

Qualifications

• Bachelor’s degree in Software Engineering, Computer Engineering, Computer Science, or related STEM major obtained by start date
• Software development experience (i.e. internship, co-op, or other work or academic project experience)
• Experience with Software Development Using C++

Skills

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

Benefits

• Relocation eligible
• Medical, dental, vision, life