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# Principal Software Systems Test Engineer (AHT)

- **Company:** Northrop Grumman
- **Location:** Huntsville, AL, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Automation of Tests, Bash Shell, Configuration Management, System Configuration, Network Interface Controllers, Python (Programming Language), Regression Testing, Software Systems, Test Case, User Interface Testing, Git, Software Version Control, Api Management, Programming Languages
- **Published:** August 3, 2026
- **Apply:** https://dejobs.org/x/x/2D32218CC54845CD86DBD9A62FC009BD/job/

## 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

## Description

* 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


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