Senior Avionics Software Engineer - FMS & DO-178C

Energy Jobline ZR; Reston (VA); On-site; USD 100,000 - 170,000; Full time

Benefits offered by this job

Autonomy

Startup culture

401K match

Medical & dental

PTO

Job summary

CMC Electronics in Reston, VA is seeking a Senior Software Engineer for the Navigation Systems team. You will apply your C/C++ expertise to develop features for Flight Management System and navigation products, and mentor other developers while aligning with DO-178C safety standards.

Responsibilities include designing, coding, testing, and integrating software across the lifecycle, supporting hardware and system tests, and leading design reviews. Travel up to 15% may be required.

Qualifications

• Bachelor’s degree in Engineering, Computer Science, Physics, Mathematics, or related field
• 6+ years of experience in software design and development
• Experience developing safety-critical, certified software (aerospace/aviation)
• Proficiency in C/C++ and unit testing
• Willingness to travel up to 15%

Responsibilities

• Design, develop, test, and maintain software across the full lifecycle
• Build modular, scalable architectures aligned with evolving requirements
• Support hardware integration and system-level testing
• Investigate defects and implement effective fixes
• Automate testing and documentation to support certification
• Lead design and code reviews; contribute to process improvements
• Collaborate with suppliers and project teams to manage scope, schedule, and risks

Skills

C/C++

Unit testing

Requirements decomposition

Travel up to 15%

Education

Bachelor’s degree in Engineering, Computer Science, Physics, Mathematics, or related field

Tools

DOORS

RTOS

Job description

CMC Electronics in Reston, VA is seeking a Senior Software Engineer for the Navigation Systems team. You will apply your C/C++ expertise to develop features for Flight Management System and navigation products, and mentor other developers while aligning with DO-178C safety standards.

Responsibilities include designing, coding, testing, and integrating software across the lifecycle, supporting hardware and system tests, and leading design reviews. Travel up to 15% may be required.