Principal Software Engineer

Position:
Principal Embedded Real-Time Software Developer/Integrator

Location:

Tucson, AZ (Onsite) Security Clearance:
Secret (active, transferrable)

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

• Work across a product line in collaboration with other teams.

• Degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
• Experience including at least two of the following:
  Embedded C++ Software, Embedded Software Security, Software Architecture Design and Implementation.
• Experience using embedded Real Time Operating Systems (RTOS) (e.g., Green Hills, Integrity, Wind River VxWorks, Linux, etc.).
• Experience developing complex systems involving the integration of hardware, firmware, and software.
• Active and transferrable final Secret U.S. government issued security clearance required prior to start date, with ability to obtain program access after start.

• Familiarity with rate monotonic theory, practice, and limitations.
• Familiarity with layered architectural principles, and their limitations.
• Familiarity with reading electrical schematics and relating it to software function.
• Familiarity with reading firmware source like VHDL or Verilog.
• Familiarity with assembly language in at least one processor/controller family.
• Experience using lab instruments such as power supplies, digital multi‑meters, oscilloscopes, and logic analyzers.
• Experience developing device drivers for bare‑metal and/or OS applications.
• Experience leading engineering teams in delivering systems involving the integration of hardware and software.

• Values driven actions and behaviors with a vision for a safer, more connected world.
• Relocation Offered Based On Eligibility.
• Salary range: 107,500 USD – 204,500 USD (estimate).
• Benefits include medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays.

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.