> Markdown version of [/jobs/ext/4585795-principal-systems-engineer-aht](https://www.wearedevelopers.com/jobs/ext/4585795-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 - $163,200 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Data Analysis, Systems Engineering, Automation of Tests, Bash Shell, Configuration Management, System Configuration, Linux, Network Interface Controllers, Python (Programming Language), Regression Testing, SQL Databases, Test Case, User Interface Testing, Scripting, Git, Software Version Control, Api Management, Programming Languages - **Published:** November 5, 2026 - **Apply:** https://www.juju.com/job/1_ngrum5-R10249980 ## About the Role + Bachelors degree in STEM and minimum 5 years of experience, or Masters degree in STEM and 3 years of experience. + **Active DoD Secret Clearance** + Strong understanding of test engineering principles (verification vs validation, coverage, boundary conditions, negative testing). + Experience with test case design techniques (equivalence partitioning, boundary value analysis, use cases, etc.). + Experience with test automation and at least one scripting or programming language (e.g., Python, Bash). + Ability to read and interpret requirements, interface control documents (ICDs), and design specs. + Familiarity with configuration management and version control (e.g., Git). + Experience with API testing, UI testing, performance or security testing as needed **Preferred Qualifications:** + 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 ## Description Northrop Grumman Defense Systems (NGDS) is looking for a Principal Engineer Systems based in **Huntsville, AL** . Our Team supports, integrates, develops, and advances multiple software and network products under the the long standing Tactical Ground Equipment (TGE) Counter-Unmanned Aerial System (C-UAS) Base Operations Networks (BONES) program. **Core Responsibilities** + Develop and maintain test plans, procedures, and test cases for assigned systems/subsystems. + Perform system, integration, and regression testing (manual and/or automated). + Analyze test results, troubleshoot issues, and work with dev/Systems/QA to resolve defects. + Document test evidence and support formal reviews, audits, and customer witness events. + Contribute to requirements verification (traceability from requirements to test cases). + Develop and/or maintain automated test scripts and test frameworks as applicable. + Support test environment setup: hardware, software, tools, data, and configurations. + Support continuous improvement of test processes, tools, and metrics