> Markdown version of [/jobs/ext/4034696-principal-systems-engineer-aht](https://www.wearedevelopers.com/jobs/ext/4034696-principal-systems-engineer-aht). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer (AHT) - **Company:** Northrop Grumman - **Location:** Huntsville, AL, United States - **Experience:** Experienced - **Salary:** $108,800.0 - $163,200.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Agile Methodology, Data Analysis, Software Applications, Systems Engineering, Automation of Tests, Linux, Embedded Software, Software Engineering, SQL Databases, System Testing, Test Case, Scripting - **Published:** October 30, 2026 - **Apply:** https://www.careerbuilder.com/job-details/principal-systems-engineer-aht-huntsville-al--ae46bbbe-8f35-44d8-906d-be7c3ee5bb36 ## About the Role Systems Engineering, Diversity, Systems Engineering, Software Testing, Testing, Software Development, Embedded Software, Test Automation, Test Case, Scripting (Scripting Languages), * Bachelor''s degree in STEM with 5 years of experience, Master''s with 3 years of experience * Active DoD secret clearance * Experience working with Linux operating systems * Proficiency in writing or executing SQL queries for data analysis or database management * Prior work with embedded systems, avionics, or defense systems. * Familiarity with Model Based Systems Engineering Tools (MBSE) * Knowledge of Agile development processes * Ability to work on-site in Huntsville ## Description * Develop and execute software test plans and procedures * Design automated and manual test solutions for embedded and application software * Analyze requirements and formulate test cases, scenarios, and scripts. * Integrate hardware, software, and test equipment for complete system testing * Document and track defects; work with development to resolve issues * Participate in requirements reviews, design reviews, and code inspections * Ensure solutions adhere to quality, safety, and compliance standards * Support verification/validation, integration, and acceptance activities * Collaborate with multidisciplinary engineering teams * CONUS travel up to 20% may be required