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RTX

Principal Software Engineer

RTX

Principal Software Engineer supporting design and development of multi-domain mission systems for U.S. military customers.

Posted 5/11/2026full-timeAguadilla • 🇺🇸 United StatesLeadWebsite

Tech Stack

Tools & technologies
JenkinsPythonRTOS

About the role

Key responsibilities & impact
  • Participate in collaborative, cross-disciplined integrated product teams, often employing agile software development techniques.
  • Responsibilities span the full lifecycle of product development, from architecture and design, through integration, test, and field support.
  • You will work and learn in an engineering organization that is growing and will require capability to influence strategy and vision.

Requirements

What you’ll need
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.
  • Demonstrated professional experience communicating in English (verbal and written).
  • U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
  • Experience with scripting languages such as Python and OO C++ and equivalent.
  • Experience with DevOps, Jenkins, automated testing, real-time operating systems (RTOS), embedded programming, processor/board architecture and design.
  • Proven Technical Leadership.
  • Familiarity with Agile lifecycle process including Scrum, Continuous Integration, and Test-Driven Development Methodologies.
  • Interest in modern SE development.

Benefits

Comp & perks
  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan that includes employer matching funds
  • Participation in the Employee Scholar Program (ESP)
  • Life insurance and disability coverage
  • Employee Assistance Plan, including up to 8 free counseling sessions.
  • And more!

ATS Keywords

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Hard Skills & Tools
PythonC++DevOpsJenkinsautomated testingreal-time operating systemsembedded programmingprocessor architectureboard designAgile
Soft Skills
communicationtechnical leadershipcollaborationinfluencestrategic thinking