Real job — pulled straight from Northrop Grumman’s careers page · Verified July 15, 2026 · No reposts.
Job description
Northrop Grumman is hiring a Principal Mechanical Engineer — a full-time, based in Gilbert, AZ role ($98k–$148k). Apply directly on Northrop Grumman's careers page below.
Principal Mechanical Engineer / Sr. Principal Mechanical Engineer
Location: United States-Arizona-Gilbert
Time Type: Full time
Job Description
RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: NoCLEARANCE TYPE: NoneTRAVEL: Yes, 10% of the TimeDescription
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.This position description does not represent a current opening but may be used to identify candidates with skills and experience for positions within Northrop Grumman that frequently become available. Candidates who express an interest may be considered for future positions at Northrop Grumman.*This position description does not represent a current opening but may be used to identify candidates with skills and experience for positions within Northrop Grumman that frequently become available. Candidates who express an interest may be considered for future positions at Northrop Grumman*
Northrop Grumman Space Sector is seeking a Principal Mechanical Engineer / Sr. Principal Mechanical Engineer to support our Mechanical Systems & Design group based in Gilbert, Arizona.
In this role, the Principal/Sr. Principal Mechanical Engineer will support the design, development, and integration of spacecraft structures and mechanical hardware, taking projects from initial requirements through to integration and testing. The selected candidate will utilize advanced Computer-Aided Design (CAD) tools and related software to create detailed designs, develop documentation for manufacturing, and support assembly into flight-ready spacecraft.
This role requires strong collaboration and communication skills, as you will interact with internal stakeholders—including customers, program and functional management, and multidisciplinary engineering teams—as well as external component suppliers.
Job responsibilities include, but are not limited to, the following:
Perform detailed design and analysis utilizing CAD software.
Apply knowledge of Geometric Dimensioning and Tolerancing (GD&T), Design for Manufacturing principles, and spacecraft component layouts.
Leverage expertise in mechanics of metallic and composite materials, as well as stress calculations, to create optimal designs.
Support spacecraft integration and testing phases.
Collaborate across teams to ensure alignment with program goals and deliverables.
This requisition may be filled at either a Principal Mechanical Engineer level or a Sr. Principal Mechanical Engineer level based on the qualifications listed below.
Basic Qualifications - Principal Mechanical Engineer:
Bachelor's Degree in Mechanical Engineering or related STEM field with 5+ years of relevant engineering experience or a Master's Degree in Mechanical Engineering or related STEM field with 3+ years of relevant engineering experience
Must be able and willing to obtain and maintain a DoD Top Secret/SCI clearance
Basic Qualifications - Sr. Principal Mechanical Engineer:
Bachelor's Degree in Mechanical Engineering or related STEM field with 8+ years of relevant engineering experience or a Master's Degree in Mechanical Engineering or related STEM field with 6+ years of relevant engineering experience
Must be able and willing to obtain and maintain a DoD Top Secret/SCI clearance
Preferred Qualifications:
Active DoD Top Secret clearance or SCI access with current SSBI
Experience with 3D CAD model-based software (specifically Creo Parametric)
Practice in making and reviewing engineering drawings with GD&T in 2D and 3D MBD’s
Experience with 3D Printing, Design for Manufacturing, and hardware fabrication
Experience in satellite and spacecraft structures design
Excellent communication and leadership skills
*This position description does not represent a current opening but may be used to identify candidates with skills and experience for positions within Northrop Grumman that frequently become available. Candidates who express an interest may be considered for future positions at Northrop Grumman*
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Frequently asked questions
What is the salary for Principal Mechanical Engineer at Northrop Grumman?
The estimated salary range for Principal Mechanical Engineer at Northrop Grumman is $98,000 - $148,000 USD per year.
What skills are required for Principal Mechanical Engineer at Northrop Grumman?
The required skills for Principal Mechanical Engineer at Northrop Grumman include: Mechanical Engineering.
What is the seniority level for Principal Mechanical Engineer at Northrop Grumman?
Principal Mechanical Engineer at Northrop Grumman is a Principal / Staff level position.
How do I apply for Principal Mechanical Engineer at Northrop Grumman?
You can view the full description and apply for Principal Mechanical Engineer at Northrop Grumman on EchoJobs: https://echojobs.io/job/northrop-grumman-principal-mechanical-engineer-sr-principal-mechanical-engineer-3cyb8.