> Markdown version of [/jobs/ext/3874261-software-test-engineer-2-3-aht](https://www.wearedevelopers.com/jobs/ext/3874261-software-test-engineer-2-3-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). --- # Software Test Engineer 2/3 (AHT) - **Company:** Northrop Grumman - **Location:** Los Angeles, CA, United States - **Contract:** Permanent contract - **Skills:** Testing (Software), Confluence, JIRA, Automation of Tests, Software Engineering, Software Systems, Subsystems, Systems Integration, Test Data, Test Scripts, Break Fix, Atlassian Tools, Bitbucket - **Published:** October 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9259879/software-test-engineer-23-aht ## About the Role * For Software Integration and Test Engineer: Bachelor's degree in a STEM discipline and 2+ years of experience or Master's degree in a STEM discipline and 0 years of experience. * For Principal Integration and Test Engineer: Bachelor's degree in a STEM discipline and 5+ years of experience or Master's degree in a STEM discipline and 3 years of experience. * Extensive experience defining test objectives from requirements, writing Software Test Plans, test procedures, performing dry runs and Formal Qualification Tests, code inspections, performing post-processing analysis, writing Test Readiness Reviews and Test Reports. * Advanced hands-on system troubleshooting and root-cause analysis. * Experience working in a Lab environment. Preferred Qualifications: * Working experience in Atlassian tools such as Jira, Confluence, Bitbucket, etc. * Familiar with setting up test benches and using test equipment (Oscilloscopes, signal generators, etc.). * Experience working with requirements development. ## Description * Author Software Test Plans, Procedures, Subsystem Acceptance Test Procedures, and Test Reports. * Generate test artifacts for developmental, integration, qualification, and acceptance testing. * Develop automated test approaches for new software capabilities. * Compile test data, identify gaps, and recommend procedural changes. * Perform hands-on troubleshooting and support organic/COTS SW/HW integration in the labs. * Working with SW development teams to document and resolve SW issues.