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Principal / Sr. Principal Mechanical Analysis Engineer

Northrop Grumman Systems

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

Los Angeles, CA · Posted October 14, 2026

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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.

Job Description

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!

We are looking for you to join our team as a Mechanical Analysis Engineer based out of Woodland Hills, CA. As a Mechanical Analysis Engineer at Northrop Grumman, you will have a challenging and rewarding opportunity to be a part of our Enterprise-wide digital transformation. Through the use of model-based engineering and agile practices, we continue to evolve how we deliver critical national defense products and capabilities for the warfighter. Our success is grounded in our ability to embrace change, move quickly and continuously drive innovation. The successful candidate will be collaborative, open, transparent, and team-oriented with a focus on team empowerment & shared responsibility, flexibility, continuous learning, and a culture of automation.

Based in our Woodland Hills, CA office, this position will support senior mechanical engineers in the design of military avionics including inertial navigation and measurement systems and mission computers for the Sentinel program. This position is not eligible for remote work. This position will be 100% on-site. This role may offer a competitive relocation assistance package.

This requisition may be filled as a Principal Mechanical Analysis Engineer or a Senior Principal Mechanical Analysis Engineer.

Roles and Responsibilities:

Serve as technical individual contributor for the Analysis Engineering Team

Understanding of the requirements and methods of analyzing structures to determine structural viability that leads to certification

Perform structural analysis including static, dynamics, stability, and damage tolerance analysis of metallic structures, mechanical systems, electromechanical systems, and equipment, by hand and by using the automated methods and procedures approved for the program

Build Finite Element Models (FEMs) using CAD geometry, meshing, and running solutions

Review drawings, requirements for materials, structure systems & subsystems and perform required analyses to demonstrate compliance.

Able to manipulate large scale finite element models

Document structural analysis methods and implementation using calculation aids and propose new methods depending on the needs of the project

Compute margins using appropriate analysis methods

Document static/dynamic test plans and procedure requirements

Participate and present in internal and external (customer) design reviews

Able to support material review board (MRB) and nonconformance to ensure we have sound structural substantiation

Solid understanding and background in loads development, preliminary and detailed design, static analysis, FEM, D&DT, fatigue, bolted and bonded interfaces, repair, structural test, and in-service mods, repairs and extensions

Candidate must be able to collaborate in a team environment, prioritize and adjust tasks to accomplish the project result, prioritize multiple responsibilities and/or accomplish them simultaneously, and comprehend and analyze complex problems and develop solutions

Basic Qualifications for a Principal Mechanical Analysis Engineer:

Bachelor’s degree with 5 years of experience, a Master’s degree with 3 years of experience or a Ph.D. with 0 years of experience in Science, Technology, Engineering, Mathematics, or related technical fields

U.S. Citizenship is required

Active US Government Secret clearance is required

Experience with developing FEA models and conducting analyses in ANSYS

Experience in 3 or more of the following topics: system/sub-system FEA modeling/analysis, piece parts, static, modal, buckling, dynamic (sine, random, acoustic), thermal strength/distortion, and bolted joint analyses

Ability to verify validity of simulation results by hand-calcs and/or comparison with heritage programs and to perform bolted joint analyses

Ability to work on site in Woodland Hills, Ca as required by this position

Basic Qualifications for a Senior Principal Mechanical Analysis Engineer:

Bachelor’s degree with 8 years of experience, a Master’s degree with 6 years of experience or a Ph.D. with 4 years of experience in Science, Technology, Engineering, Mathematics, or related technical fields

U.S. Citizenship is required.

Active US Government Secret clearance is required

Experience with developing FEA models and conducting analyses in ANSYS

Experience in 3 or more of the following topics: system/sub-system FEA modeling/analysis, piece parts, static, modal, buckling, dynamic (sine, random, acoustic), thermal strength/distortion, and bolted joint analyses

Ability to verify validity of simulation results by hand-calcs and/or comparison with heritage programs and to perform bolted joint analyses

Ability to work on site in Woodland Hills, Ca as required by this position

Preferred Qualifications:

Thermal analysis experience

CCA analysis experience

Prior experience with 3D Computer Aided Design (CAD) software applications

Experience in test planning, test support, and data reduction

Experience supporting mechanical analysis of circuit card design

Demonstrated high degree of creativity and ability to solve a wide range of difficult problems

Demonstrated ability to be self-motivated, willing to learn, experience working in a team environment

Competence and confidence working under pressure on requests with short turn-around times

As a full-time employee of Northrop Grumman Mission 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

Link to Benefits: https://totalrewards.northropgrumman.com/

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.

Primary Level Salary Range: $103,600.00 - $155,400.00

Secondary Level Salary Range: $129,300.00 - $193,900.00

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.