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Sr Principal Systems Engineer

Northrop Grumman

Listing collected from Northrop Grumman's career site. NextChapter is independent of Northrop Grumman.

Los Angeles, CA · Posted October 14, 2026

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  • C#

About the job

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time 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. Our Engineering and Sciences (E&S) organization pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, innovative technologies to develop, design, produce and sustain optimized product lines across the sector while providing a decisive advantage to the warfighter. Come be a part of our mission!

Northrop Grumman Mission Systems is searching for a Sr Principal Systems Engineer to support our Integration & Test (I&T) department. As a member of the I&T department, the candidate will work in a fast-paced team environment alongside physicists, design engineers, and superconducting foundry engineers to make our technologies a reality. This position will serve on-site at our Woodland Hills, CA facility. This position will be 100% on-site.

Job Responsibilities

Identifying unique requirements from a broad customer base, flowing the requirements into design documentation, and working with a diverse team to build and test those requirements

Work on the capabilities of current products, performance analyses, design information, and requirements verification methods

Ensure logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints

Perform functional analysis, timeline analysis, detail trade studies, requirements allocation

Generate, review, and manage multiple requirements sets that cover all aspects of both performance and nonperformance including mechanical interfaces, electrical interfaces, data requirements, environmental requirements, and reliability

Design, develop, and implement testing methods to verify and validate project requirements

Performing hands-on electrical testing at CCA level and systems level test setups

Documenting & dispositioning hardware discrepancies, pursuing root cause & corrective actions

Basic Qualifications:

8 years relevant experience with B.S. Electrical Engineering or equivalent STEM discipline equivalent; or 6 years relevant experience with M.S. Electrical Engineering or equivalent STEM discipline equivalent; or 3 years relevant experience with PhD Electrical Engineering or equivalent STEM discipline equivalent

Active US Government Secret Level security clearance

Experience in System Engineering activities such as: Requirements development

Test Procedure development

Verification and Validation i.e. experience running tests and documenting results

Ability to diagnose complex issues, lead problem-solving efforts, and drive tasks to completion

Demonstrated teamwork and leadership of projects or teams

Strong written and verbal communication skills

Willingness to work onsite in Woodland Hills, Ca as required by this position

Preferred Qualifications:

Active US Government TS/SCI with poly security clearance

Experience with IBM Rational DOORS and technical baseline management

Systems Engineering experience on large, complex systems

Experience supporting test investigations and debugging efforts

Proficient in at least one of the following programming environments: MATLAB, C, C++, C#, and/or Python

Experience creating automated test scripts that integrate with hardware interfaces

Working knowledge of standard test equipment: network analyzers, oscilloscopes, waveform generators, synthesizers, digitizers, and/or signal analyzers

Working knowledge of standard design components: filters, couplers, splitters, amplifiers, etc.

Experience working with operational hazards such as overhead lifting, Thermal Chambers, and Vibration Test systems

Strong track record of driving innovation and spearheading digital-transformation initiatives in test workflows

Experience engaging external customers through meetings, presentations, and technical negotiations

Primary Level Salary Range: $142,200.00 - $213,400.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

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 http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.