Senior Principal Engineer Mechanical
Northrop GrummanRole Overview
Northrop Grumman is hiring a Senior Principal Engineer Mechanical. This is a full-time role in United States-California-Redondo Beach. posted today. applications are still in the early window, before most candidates have applied. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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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.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 Systems 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.
Northrop Grumman, Western Region Manufacturing and Operations, Mechanical & Environmental Test Engineering Dept (M&ETE), has an opening for a Mechanical Ground Support Equipment (MGSE) Level 4 to join our team of highly qualified and diverse individuals. MGSE is non-flight hardware used to support the integration, test, and launch of spacecraft and its various stages of assembly. This includes, but is not limited to, lift slings, transportation systems, robotics, zero-g deployment fixtures, pneumatics, propellant loading systems, etc. This is an in-person position to be performed at the Redondo Beach, CA campus.
Mechanical Ground Systems Responsible Design Engineers (RDEs) develop design solutions for the aid of integration and test of space flight hardware in clean room environments. MGSE RDEs have many responsibilities. They establish requirements, design, perform structural analysis, draft 2D drawings, aid in the manufacturing of hardware, and aid in the composition of technical work instructions for the use of hardware designed and delivered.
Mechanical Ground Support Equipment Designers are responsible for the following:
Design and modeling in 3D CAD (Computer-Aided Design) software
Drafting using Y14.5 GD&T
Fabrication support at vendors including acceptance testing and inspection
End-user support during integration operations
Develop conceptual design
Requirements definition
Develop and present design reviews
Perform first order structural analysis of isotropic materials
Develop and capture proof load diagrams
Resolve deviations to fabrication drawings and hardware non-conformances
Integration & Test process flow development
Qualified Senior Principal Mechanical Engineers (Level 4) are expected to work under only general direction. Independently determine and develop approaches to solutions. Work is reviewed upon completion for adequacy in meeting objectives. Candidate will need to have intermediate understanding of GD&T in accordance with (IAW) ASME Y14.5, engineering and drawing development IAW ASME Y14. and intermediate knowledge of bolted joints and welding of aluminum and steel structures IAW AWS Standards. Successful candidates in this role will have strong interpersonal, leadership, and organizational skills. Candidates are expected to drive alignment across various program functions to meet ambitious deadlines while prioritizing first-time quality and organizational sustainability.
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:
Bachelors of Science Degree in a Science, Technology, Engineering, or Math (STEM) discipline plus 9 years of experience OR Masters of Science Degree in a Science, Technology, Engineering or Math (STEM) discipline plus 7 years of experience
Experience in working on multi-disciplinary teams, preferably within Integration, Test, and Launch (IT&L) or Manufacturing environment
ASME Y14.5 experience
First order structural analysis experience
Preliminary and critical design review (PDR and CDR) development experience
Excellent communication, decision-making, and conflict resolution skills
Active Top Secret (TS) clearance required at time of application.
Previously held an active SCI clearance within the last 12 months
Preferred Qualifications:
Active Sensitive Compartmented Information (SCI) clearance
Experience with design of MGSE
Experience with manufacturing or integration of P093 program hardware
Intermediate understanding of Finite Element Analysis
Experience developing support equipment to be used at the Eastern or Western Range
Design for manufacturing (DFM) experience
Experience developing support equipment for use in Thermal Vacuum
Experience developing over the road or over the air satellite transportation equipment
About Northrop Grumman
Northrop Grumman
northropgrumman.com
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Frequently Asked Questions
How do I apply for the Senior Principal Engineer Mechanical position at Northrop Grumman?
Use the Apply button above to submit your application directly to Northrop Grumman. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Senior Principal Engineer Mechanical position at Northrop Grumman located?
This position is based in United States-California-Redondo Beach. Northrop Grumman has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Senior Principal Engineer Mechanical at Northrop Grumman earn?
Northrop Grumman has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Senior Principal Engineer Mechanical role at Northrop Grumman posted?
This role was posted on July 23, 2026 (today). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
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