Embark on a career putting innovative, reliable, and agile products and ideas into orbit, and beyond. Northrop Grumman has opportunities waiting for you that play a vital role in human space exploration, national defense, and scientific discovery, supporting multiple programs across the universe. With us, you’ll discover a culture of curiosity and collaboration that will have you Defining Possible from the day you start. Our space systems connect and protect millions of people on earth every day, now and for the future. Explore your future and launch your career today.
Space System is an industry-leading provider for prime satellite and payload capabilities and directed energy and electronics solutions for national security, military, and civil customers. We are built on a heritage of providing innovative, affordable and reliable aerospace and defense products that our customers rely on to achieve mission success. Join the Space revolution and make the impossible possible.
The Space Systems Integration and Test group is seeking a Principal Engineer Electrical or Senior Principal Engineer Electrical (Integration and Test) to support the P093 program in Redondo Beach, California.
As a Payload Test Engineer, you will take ownership of critical subsystems and oversee the complete Integration & Test (I&T) lifecycle for spacecraft and payload systems. Responsibilities include developing and executing RF and digital test procedures, troubleshooting test sets, creating data analysis tools, and driving anomaly resolution. You will also serve as a Test Conductor, managing test execution, performing hardware inspections, and providing shift coverage to ensure mission success. This is a unique opportunity to join a team of highly skilled and diverse individuals shaping the future of space systems.
You will have the opportunity to design, develop, and execute test procedures and automated test scripts using spacecraft commands, telemetry, and electrical ground support equipment. The ideal candidate has system level test experience working with spacecraft flight hardware and good computer skills. Daily responsibilities will require I&T test preparation leading to direct contact with satellite and space flight hardware. Candidate must be able to tackle issues utilizing skills obtained in the field of electrical engineering, or a related discipline, preferably as it relates to system level integration and test. Required skills include the ability to communicate clearly and to use critical thinking in troubleshooting of problems. The ability to use scripting language and formulate automated test scripts is highly desirable. International/domestic travel to support launch campaigns may be required. Shift and weekend work to support testing will be required periodically.
Job responsibilities include, but are not limited to, the following:
Define test requirements and develop/update test plans, test procedures, specifications, and test limits.
Design, develop, and maintain automated test scripts (ATSs), electronic test procedures, and interconnect drawings.
Conduct verification and validation of subsystem and full-system requirements, ensuring compliance with mission specifications.
Participate in system integration, checkout, integrated system tests, environmental tests, and final delivery.
Execute integration and test (I&T) activities, including test monitoring, functional testing, visual inspections, hardware walk-arounds, manual measurements, and shift operations (including weekends, as required).
Perform calibration, validation, and setup of test racks and test equipment; execute test set moves, validate test configurations, and troubleshoot hardware and software anomalies.
Develop and maintain data analysis tools (e.g., Python, MATLAB, Excel), review/analyze test data, generate reports, and support anomaly resolution.
Coordinate and communicate effectively with cross-functional teams, external partners, and internal program leaders to align test objectives, report results, and integrate feedback.
Assist with Test Interface Specification (TIS) development in collaboration with software teams.
Support program review boards (ERBs, TRRs, FRBs, etc.) by preparing materials and participating as needed.
Write and maintain technical documentation, including test procedures, manufacturing work instructions, and reports.
Travel, as necessary, to support program needs across different locations, shifts, or time zones.
As a full-time employee of Northrop Grumman Space Systems, you are eligible for our robust benefits package including:
Medical, Dental & Vision coverage
401k
Educational Assistance
Life Insurance
Employee Assistance Programs & Work/Life Solutions
Paid Time Off
Health & Wellness Resources
Employee Discounts
This position’s standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off.
Basic Qualifications for Level 3:
Bachelor’s degree in Electrical Engineering or related STEM field with 5 years of professional experience – OR – Master’s degree with 3 years of professional experience – OR – PhD with 1 year of professional experience.
Requires an active U.S. Government TS/SCI security clearance at time of application, current and within scope
Basic Qualifications for Level 4:
Bachelor’s degree in Electrical Engineering or related STEM field with 8 years of professional experience – OR – Master’s degree with 6 years of professional experience – OR – PhD with 4 year of professional experience.
Requires an active U.S. Government TS/SCI security clearance at time of application, current and within scope
Preferred Qualifications:
Familiarity with 1553 data bus architecture and capture tools.
In-depth knowledge of RF principles, test equipment (e.g., spectrum analyzers, signal generators, vector network analyzers), and RF component testing.
Hands-on experience with MATLAB, Python, LabVIEW, or similar tools for data collection, processing, and analysis.
Ability to troubleshoot and resolve system-level test issues, including RF hardware, configurations, and software anomalies.
Skills Required
- Bachelor's degree in Electrical Engineering or related STEM with 5 years of professional experience (Level 3)
- Master's degree in Electrical Engineering or related STEM with 3 years of professional experience (Level 3 alternative)
- PhD in Electrical Engineering or related STEM with 1 year of professional experience (Level 3 alternative)
- Bachelor's degree in Electrical Engineering or related STEM with 8 years of professional experience (Level 4)
- Master's degree in Electrical Engineering or related STEM with 6 years of professional experience (Level 4 alternative)
- PhD in Electrical Engineering or related STEM with 4 years of professional experience (Level 4 alternative)
- Active U.S. Government TS/SCI security clearance at time of application, current and within scope
- U.S. Citizenship (required for positions with government clearance)
- System-level integration and test experience with spacecraft flight hardware
- Ability to develop, maintain, and execute RF and digital test procedures and automated test scripts; troubleshoot hardware and software anomalies
- Willingness to perform shift and weekend work and travel (approximately 10%) to support testing and launch campaigns
- Proficiency with scripting and data analysis tools (Python, MATLAB, LabVIEW)
- Familiarity with 1553 data bus architecture and capture tools
- In-depth knowledge of RF principles and RF test equipment (spectrum analyzers, signal generators, vector network analyzers)
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.






