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# Principal System Engineer - Integration & Test (AHT)

- **Company:** NORTHROP GRUMMAN SPACE & MISSION SYSTEMS
- **Location:** Redondo Beach, CA, United States
- **Experience:** Expert
- **Salary:** $142,200.0 - $213,400.0
- **Contract:** Temporary contract
- **Skills:** Systems Engineering, Automation of Tests, Command-Line Interface, Configuration Management, CompTIA Security+, Linux, Python (Programming Language), Networking Basics, Network Interface, Software Requirements Analysis, System Testing, Systems Integration, Test Data, Scripting, Playwright, Integration Frameworks
- **Published:** October 12, 2026
- **Apply:** https://www.juju.com/job/1_ngrum5-R10244580

## About the Role

findings and evolving system needs. + Author and maintain Ground Element technical documentation such as Network Interface Planning Documents, System Test Plans, Site Integration Requirements, and Facilities Requirements Documents. + Support integration of hardware, software, and networks within the ground system, including configuration, checkout, and troubleshooting of complex system interfaces. + Collaborate closely with software, network, and systems engineering teams to ensure testability, integration readiness, and verification of system requirements. + Participate in site installation, integration, and verification activities, including extended travel to operational locations as required. + Adhere to established test processes, configuration management, and quality standards while identifying and implementing continuous improvements to test efficiency and effectiveness. **Basic Qualifications for Systems Engineer - Level 4:** + Bachelor's degree in **STEM**
(Science, Technology, Engineering, Math) discipline with 8+ years of engineering experience OR, Master's degree in **STEM** (Science, Technology, Engineering, Math) discipline with 6+ years of experience OR, PhD degree in a **STEM** discipline with 4+ year of experience + Candidate must have an **active** **SCI** at time of application.
Continued employment thereafter will be subject to maintenance at the level of clearance and program access required for the position in the future. + Willingness to travel up to **25%** of the time, often for extended periods (up to two months' duration) + Minimum of three years of experience in **test procedure development** , **test planning** , and/or **integration** and **test** + Demonstrated written and oral communications skills through **written requirements, test,** and **evaluation criteria** **Preferred Qualifications for Systems Engineer - Level 4** + Working knowledge of **Linux** operating systems + Experience working in a command line environment + Working knowledge of scripting languages such as **Python** + Experience in **SW integration** activities + Experience in basic networking + Certified in **CompTia Security +** or higher + Working knowledge of test instruments including oscilloscopes, spectrum analyzers, etc. +
Experience in troubleshooting of complex systems + Experience with **ground segment testing** and **ground integration activities** + Experience of working as part of a diverse team in a fast-paced environment + Experience with **Automated Test** and **Integration frameworks** including **Playwright** Curious about all the exciting developments with the Northrop Grumman Space Sector?

## Description

Job Description Northrop Grumman's Space Systems Sector is seeking **Sr Principal** **Systems Engineer - Level 4** to join our team in Redondo Beach, CA. In this role, the **Sr Principal Systems Engineer** will support factory (DT&E1) testing and site testing (DT&E2) by performing dry-runs and run-for-records (RFRs) along with test procedure development, conducting & presenting at Test Readiness Reviews (TRRs) and Test Review Boards (TRBs).
The position will involve factory and site SOW work mentioned above along with development/inputs for Request For Change (RFCs) and/or any CDRL documents (i.e.
Network Interface Planning Documents, System Test Plans, Facilities Requirements Documents, Site Integration Requirements, etc) within the Ground Element scope. **Job responsibilities include, but are not limited to, the following:** + Develop, update, and execute system-level integration and test procedures for the Ground Element in both factory (DT&E1) and site (DT&E2) environments. + Plan and conduct dry-runs and run-for-record (RFR) test executions, including coordination of test resources, configurations, and data collection. + Prepare and present material for Test Readiness Reviews (TRRs) and Test Review Boards (TRBs), including test objectives, configurations, results, and discrepancies. + Analyze test data to verify requirements compliance, identify anomalies, perform root-cause analysis, and drive resolution of discrepancies with multi-disciplinary teams. + Develop and/or provide inputs to Requests for Change (RFCs) and Configuration/Change Control artifacts based on test