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Principal Test Engineer
Job Description
Description
At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.Northrop Grumman Mission Systems is a trusted provider of mission-enabling solutions for global security. We have a wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies. Our differentiated battle management and cyber solutions deliver timely, mission-enabling information and provide superior situational awareness and understanding to protect the U.S. and its global allies.
Northrop Grumman Mission Systems is looking for you to join our team as a Principal Test Engineer based out of McClellan, CA.
What You’ll get to Do:
Join our NGMS Strategic Intelligence and Data Exploitation (SIDE) Operating Unit (OU) and support the design, development, testing, analyzing, benchmarking, validating and verifying, documenting, and integrating Signal Intelligence (SIGINT) capabilities.
Essential Functions:
Test new capabilities, documenting new features, and analyzing simulation performance
Work with product and development teams, as well as external users and customers, to determine acceptance criteria for new features
Support the agile software team within the context of a larger team
Interface with SIGINT customers and presenting technical briefings to SIGINT stakeholders
Support SIGINT captures from an operational point of view (voice of the customer)
This is an opportunity to thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative/team settings across all levels.
Basic Qualifications:
Bachelor’s Degree in a technical discipline and 5 years of relevant experience, or a Master's Degree in a technical discipline and 3 years of relevant experience, or a PhD and 1 year of relevant experience; an additional 4 years' relevant experience may be considered in lieu of a degree
Experience conducting operational and/or technical SIGINT (i.e., COMINT, or ELIINT) analysis
Ability and willingness to travel up to 10% to support business needs
US Citizenship and active/current DoD Top Secret clearance are required and must have the ability to obtain/maintain SCI
Preferred Qualifications:
STEM degree (Science, Technology, Engineering or Mathematics)
Multi-ISR experience working with external users and customers
CI Polygraph
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Job Details
- Category
- Aerospace Engineering
- Employment Type
- Full Time
- Location
- McClellan, CA
- Posted
- Jan 20, 2026, 07:00 PM
- Listed
- Jan 21, 2026, 07:25 PM
- Compensation
- $103,600 - $155,400 per year
About Northrop Grumman
Part of the growing space & AI ecosystem pushing the frontiers of technology.
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