Principal Software Engineer

Principal Embedded Real‑Time Software Developer/Integrator

Location:

Aurora, CO (Onsite). Security clearance:
Active Secret clearance required at start.

• Architect, design, implement, test, debug integrated embedded real‑time software within heterogeneous systems comprising firmware and hardware.
• Work with cross‑discipline teams to define, refine, and improve product concept, implementation, testability, and measurable quality.
• Teach, coach, and mentor less‑experienced staff.
• Contribute to proposals as well as preliminary and critical design reviews.
• Obtain and maintain program access.

Work across a product line in collaboration with other teams, gaining exposure to advanced embedded real‑time systems, firmware integration, and hardware‑software interaction.

• Degree in STEM and minimum of 8 years of relevant experience.
• Experience with at least two of:
  Embedded C++, Embedded Software Security, Software Architecture Design & Implementation.
• Experience using embedded Real Time Operating Systems (RTOS) such as Green Hills, Integrity, Wind River VxWorks, Linux, etc.
• Experience developing complex systems involving the integration of hardware, firmware, and software.
• Active and transferable Secret security clearance required prior to start; ability to obtain program access after start.
• Familiarity with real‑time scheduling theory (e.g., rate‑monotonic), layered architectural principles, and their limitations.
• Ability to read electrical schematics and relate them to software function.
• Experience reading firmware source such as VHDL or Verilog and assembly language for at least one processor/controller family.
• Experience with lab instruments (power supplies, digital multimeters, oscilloscopes, logic analyzers) and development of device drivers for bare‑metal or OS applications.
• Leadership experience delivering integrated hardware‑software systems of various sizes.

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.