Sr. Principal Software Engineer - Level 4; AHT
Listed on 2026-09-03
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Software Development
Software Engineer, C++ Developer
Sr. Principal Software Engineer – Level 4
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's Space Sector is seeking a Sr. Principal Software Engineer – Level 4 to join our team of highly qualified, diverse professionals within the Western Region Software Engineering Directorate. This position is located onsite in Redondo Beach, CA.
The job responsibilities of the Sr. Principal Software Engineer – Level 4 include, but are not limited to, the following:
- Design, develop, document, integrate, test, and debug software solutions for end-user customers.
- Support the architecture, development, and lifecycle management of embedded and real-time systems.
- Collaborate with multidisciplinary teams—including Systems Engineering, Digital Engineering, Hardware, and Integration & Test—within an Agile development environment.
- Analyze system capabilities to troubleshoot and resolve issues related to program intent, output requirements, data acquisition, programming methods, and control strategies.
- Work in a fast-paced lab environment with rapid development cycles.
Basic Qualifications:
- Bachelor's degree in a STEM discipline with 8+ years of software development experience;
Master's degree in a STEM discipline with 6+ years of software development experience;
Ph.D. in a STEM discipline with 4+ years of software development experience. - Must be able and willing to obtain and maintain an active U.S. Government Secret clearance.
- Strong proficiency in C and C++ development.
- Extensive experience with VxWorks Real-Time Operating System.
- Prior hands-on experience working with Graphics Processing Units (GPUs) and/or CUDA (Compute Unified Device Architecture), including developing, optimizing, or troubleshooting GPU-accelerated applications.
Preferred Qualifications:
- Prior experience supporting Directed Energy programs
- Image processing experience
- Linux/Red Hawk Linux experience
- Experience with low-level development
- Experience with Curtis-Wright VPX processors
- Experience with Acromag Acro Pack interface VPX cards
- Prior experience with MATLAB
- Experience with adaptive optics processing
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.
Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit
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