Sr. Software Systems Engineer

Sr. Software Systems Engineer

Location: Huntsville, AL

Salary Range: $125,000 to $160,000 + Bonus Eligible

Company Overview: Founded in 2004 with locations in Atlanta, GA and Fort Worth, TX, the Thompson Software Solutions team understands what is required to develop, integrate, test, and deploy software with a safety‑critical pedigree while meeting the challenges of modernization and digital transformation. As a defense‑focused software company of proven and dedicated employees, we take pride in our ability to react quickly and produce quality solutions to difficult technical challenges.

We work with partners to find the right path to meet operational needs while future‑proofing systems with portability and sustainment considerations to ensure next‑generation success.

Key Products and Services:

• LYNX Mosaic: A software platform that can include a LYNX safety‑critical real‑time operating system. MOSAI.ic's modular design provides robust support for multicore processing, allowing different operating systems and applications of different criticality levels to run on separate cores for improved performance, reliability, and security.
• Core Suite 2.0: A suite of graphics libraries and tools that enable GPU hardware acceleration for both graphics and "GPU Compute", supporting applications such as machine learning and AI processing in edge devices.
• MOSA.ic.
  
  SCA and Vigiles:
  Tools that provide Software Bill of Materials (SBOM) and Common Vulnerabilities Exposure (CVE) management for embedded Linux‑based and other applications.
• Software development services for high‑reliability applications, including initial setup of a "Dev Sec Ops " development environment, software application development, and long‑term product lifecycle management.

Thompson Software Solutions is seeking a senior‑level Sr. Software Engineer who is ready to work with a talented team to provide innovative solutions for tomorrow’s problems. 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 on projects at times and collaborate with other software engineers, program development, and deployment teams at other times.

Selected applicants will be subjected to a government security investigation and must meet eligibility requirements for access to classified information and must maintain eligibility for continued access to classified information throughout their employment as required by the job.

• Bachelor’s degree in STEM discipline
• 7+ years of experience in software engineering, with a strong focus on systems‑level development
• Expertise in one or more programming languages (e.g., Go, Python, C++, Java)
• Proven experience with cloud platforms (AWS, Azure, GCP), container orchestration (Kubernetes), and infrastructure‑as‑code (Terraform, Cloud Formation)
• Deep understanding of distributed systems, networking, and operating systems
• Strong analytical and problem‑solving skills with a track record of delivering high‑impact solutions
• 5+ years of C/C++ experience
• Experience with Digital Simulation Development and integration
• Experience with Embedded Software development
• Experience with I&T integration and test
• Experience with Full Software Development Cycle
• Experience with (FSW) Flight software engineering
• Proficient with Linux and Windows development environments
• Ability to professionally communicate project status and collaborate on technical solutions with clients and peers
• Clearance eligibility required
• Ability to work onsite 100%

• Proficient with Atlassian Tools (Confluence, JIRA, Bitbucket, etc.)
• Proficient in Python development
• Experience leading technical projects or mentoring junior engineers; familiarity with observability tools (e.g., Prometheus, Grafana, ELK stack)
• Familiarity with Model‑Based System Engineering (MBSE) concepts and tools (Cameo, AADL)
• Experienc…