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Software Engineer (Level 3/4)
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 Space Systems has an opening for either a Principal Software Engineer (Level 3) or Senior Principal Software Engineer (Level 4) to join our team in Manhattan Beach, CA.
In this role you will design, develop, document, test and debug software and systems for testing and validation of aerospace hardware and software systems. You will support the automation of the deployment of software builds, and troubleshooting discrepancy reports (DRs) for COPS integration activities. You will also support independent technical reviews and assessments.
This requisition may be filled at a higher grade based on qualifications listed below.
Basic Qualifications:
- Principal Software Engineer (T03): Bachelor’s degree with 5 years of relevant experience; Master's degree with 3 years of relevant experience; PhD with 1 year of relevant experience; an additional 4 years of experience may be considered in lieu of degree
- Senior Principal Software Engineer (T04): Bachelor’s degree with 8 years of relevant experience; Master's degree with 6 years of relevant experience; PhD with 4 years of relevant experience; an additional 4 years of experience may be considered in lieu of degree
- Active SCI required at the time of application
- 5+ years of experience with software development in a structured development environment
- Experience with Python programming
- Experience with object-oriented languages (e.g. Java, C++, C#, etc.)
- Ability to travel up to 10% of the time
Preferred Qualifications:
- Advanced proficiency in Python programming
- Experience with Integration & Test, System Requirements, and Verification
- Strong communication skills, including ability to present in front of internal and external customers
- Knowledge of spacecraft systems, including high-speed digital and RF systems
- Networking experience (networking protocols, socket layer programming)
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Job Details
- Category
- Software
- Employment Type
- Full Time
- Location
- Manhattan Beach, CA
- Posted
- Dec 11, 2025, 07:00 PM
- Listed
- Jan 5, 2026, 12:36 AM
- Last updated
- Jan 17, 2026, 02:22 PM
- Compensation
- $114,000 - $171,000 per year
About Northrop Grumman
Part of the growing frontier tech ecosystem pushing the edges of what's possible.
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