Thales Defense & Security, Inc.

Principal Embedded Software Engineer

Location US-IL-Aurora
Posted Date 2 months ago(4/15/2024 9:57 AM)
Job ID
Engineering - Software
Experience (Years)
Jim Daly
Minimum Degree


Thales Defense & Security, Inc. is a global company serving the defense, federal, and commercial markets with innovative solutions for the ground tactical, airborne and avionics, naval/maritime, and public safety and security domains. In addition to mission-critical communication systems, the company provides helmet-mounted displays and motion tracking technologies; SATCOM terminals; advanced sonar systems; and data protection solutions. Furthermore, the company serves as a gateway for technology, leveraging Thales-wide solutions—such as combat management systems; naval, airborne, and ground ISR; and electronic warfare—to address U.S. requirements. 




Top Benefits 

  • Competitive Salary
  • Yearly Incentive Bonus Program
  • Generous 401(k) program  - up to 7% company contribution and 100% immediate vesting
  • Tuition Reimbursement
  • Paid wellness, vacation, and holiday leave
  • Paid maternity, paternity, and parental leave
  • 9/80 Work Schedule (every other Friday off)


  • Work in a fast-paced, collaborative environment, developing TDSI's HMD products and features.
  • Work on all aspects of the software development lifecycle.
  • Define High Level and Low Level software requirements and develop code in accordance with RTCA DO-178C.
  • Define Test Specification and write automated tests to validate the functional and performance requirements.
  • Integrate software with hardware and debug issues.
  • Support customer queries.
  • Write documentation and technical reports.
  • Assist in the writing of user training and operational manuals.


The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • US Citizenship Required.
  • Bachelor’s or Masters degree in Computer Science, Computer Engineering  or Electrical Engineering.
  • 8+ years experience as a Design Engineer.
  • Proficient in C and Python.
  • Experience in programming embedded software on Linux platform.
  • Experience with software development in accordance with RTCA DO-178C.
  • Test, Debugging and Integration experience on embedded systems.
  • Experience with version control systems (preferably Git).
  • Experience with interfaces such as  MIL-STD-1553 and ARINC-429.
  • Ability to support critical deadlines.
  • Strong communication skills, both verbal and written.
  • Ability to work in a collaborative and team-based environment.
  • Willingness to travel to customer sites.
  • Ability to comply with all Company guidelines, policies, procedures and embrace Company Core Values. 


Desired Skills:

  • Familiarity with working in a Kanban environment.
  • Experience with Jama a plus.
  • Experience with Atlassian tools like Jira and Bitbucket a plus.
  • Experience with LDRA for static analysis a plus

For specific questions about this job posting, candidates may contact the recruiter at


Thales champions inclusion and we believe diversity strengthens the fabric of our culture. We are an Equal Opportunity Employer/AA/Minorities/Females/Veterans/Disabled. Thales is an E-Verify employer.


Thales is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, genetic information, national origin, protected veteran status, disability status, age or any other characteristic protected by law.


If you need an accommodation or assistance in order to apply for a position with Thales, please call Human Resources at 202-961-1016.



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