Sr Principal System Engineer - Integration & Test (AHT)

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 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? Click the link below:

https://www.northropgrumman.com/space.

Working at Northrop Grumman is more than just a paycheck. We offer a comprehensive Total Rewards and benefits package designed to help you thrive at work and in life. For more information on our Total Rewards package, please visit our Total Rewards site: Northrop Grumman Total Rewards

As a full-time employee of Northrop Grumman, you are eligible for:

• Medical, Dental & Vision coverage

• 401k

• Educational Assistance

• Life Insurance

• Employee Assistance Programs & Work/Life Solutions

• Paid Time Off

• Health & Wellness Resources

• Employee Discounts

• Flexible Schedules: for example, the ability to work a 9/80 work schedule, which allows an employee to work a nine-hour day Monday through Thursday and take every other Friday off of work.

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