Principal Software Engineer

• 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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Compensation : $160,000 - $200,000 + Bonus Eligible

This position requires full time onsite in Huntsville, Alabama.

Who we are: 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.

Thompson Software Solutions is seeking a Principal Software Engineer to support the development of embedded flight software capabilities for an advanced missile platform.

This role offers the opportunity to lead the design and integration of mission-critical software operating in high-performance, real-time environments where precision, reliability, and deterministic execution are paramount.

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.