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Safety Critical Software Engineer Jobs (NOW HIRING)

Framatome

Develop safety critical software for digital I&C platforms used in reactor protection, engineered safety features actuation, and other safety class functions. * Translate system and regulatory ...

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How much do safety critical software engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for safety critical software engineer in the United States is $147,524.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,000.00 and $173,000.00 per year, depending on experience, location, and employer.

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Infographic showing various Safety Critical Software Engineer job openings in the United States as of September 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 100% In-person job distribution, with an average salary of $147,524 per year, or $70.9 per hour.

Principal Embedded Software Engineer

Marietta, GA • On-site

Lynx Software Technologies
Software Development • 51 - 200 employees
Learn more about Lynx Software Technologiesexternal

$160K - $200K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Key responsibilities

  • Develop, integrate, and test software products for military aircraft platforms.

  • Work independently and collaboratively to support the development of mission-critical avionics and embedded capabilities.

  • Participate in software integration and testing in lab and hardware environments.

Job description

Job Title: Principal Embedded Software Engineer
Location: Marietta, GA
Salary Range: $160,000 - $200,000 + Bonus Eligible
Security Clearance: Active Secret Clearance Required
Company Overview
Founded in 2004 with locations in Atlanta, GA, Fort Worth, TX, Denver, CO, & Huntsville, AL, Thompson Software Solutions (TSS) is a mission-driven aerospace and defense software and systems engineering company supporting the U.S. military, defense primes, and commercial space partners. We specialize in the development, integration, test, and deployment of safety & mission-critical software systems that power next-generation aircraft, defense platforms, and space technologies. Our team understands what it takes to modernize complex embedded systems while maintaining the rigor, compliance, and reliability required for mission and safety-critical environments.
As a defense-focused company of highly skilled and dedicated engineers, we take pride in solving complex technical challenges that directly impact national security and operational readiness. We partner closely with customers across the military aviation and space domains to deliver resilient, future-ready solutions with portability, sustainability, and long-term mission success in mind.
Description
Thompson Software Solutions is seeking a Principal Embedded Software Engineer to support the development of advanced software systems for a military aircraft platform. This is an opportunity to contribute directly to mission-critical avionics and embedded capabilities that enable the performance, safety, and effectiveness of next-generation military aviation systems.
This position requires a software engineer to use a wide application of technical principles, theories, and concepts in the software field to develop, integrate, and test software products. The successful candidate will be a member of a high-performing multi-site team and must be self-motivated with a strong work ethic, time-management, and interpersonal skills. In this role, you will work independently at times on projects, at other times will be in a collaborative team environment with other software engineers, as well as other program development and deployment teams.
Selected applicants will be subject to a government security investigation and must meet eligibility requirements for access to classified information. Continued eligibility for access to classified information is required throughout employment, as dictated by program needs.
Basic Requirements:
  • Bachelors Degree or equivalent
  • 8+ years of embedded software development experience
  • C++ development for safety-critical avionics systems
  • Real-Time Operating Systems (MOSA.ic, VxWorks, Integrity)
  • Embedded application development in Linux (ie Yocto/RHEL), Windows, & Bare Metal environments
  • Software integration & test in lab and hardware environments
  • Ability to work onsite 100%
  • Ability to travel 10%

Preferred / Additional Skills
  • Proficient with Atlassian Tools (Confluence, JIRA, Bitbucket, etc.)
  • Version control and issue tracking (Gitlab, Atlassian suite)
  • Flight Software Development Experience
  • Proficient in Python development
  • Familiarity with software requirements development utilizing Model-Based System Engineering (MBSE) concepts and tools (ie Cameo)
  • Digital simulation (SIL/MIL/HIL) and closed-loop testing
  • Hardware/software integration and troubleshooting
  • Experience with safety-critical software development and practices (DO-178C)
  • Experience with Navigation, Guidance and Control Implementation
  • Experience with Signal Processing Implementation
  • Experience communicating and documenting complex technical designs
  • Ability to work in a collaborative and team-based environment
  • Excellent written and verbal communication and presentation skills

Sound Exciting? Get in touch today! We have very robust benefits including:
  • Low-cost Medical / Dental / Vision coverage options
  • 401K with generous employer match
  • Responsible Paid Time Off + 11 Paid Holidays
  • Remote work opportunities based on role
  • Employee Assistance Program (EAP)
  • Career growth and professional development opportunities

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.
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