Principal Mechanical Engineer

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 is seeking a Principal Mechanical Design Engineer for our Business Unit, Armament Systems, location in Plymouth, MN.

Armament Systems specializes in the development and production of Ammunition, Guns and Precision Guidance Ordinance.

Job Summary

1. Perform analysis, design, or test of one or more moderately complex or portions of complex materials, structural components, and functional systems of company products.
2. Generally work from preliminary studies developed by higher graded engineers. Analyze requirements for materials, structural component, or functional systems.
3. Select applicable analytical data from previous products, determine the technical principles involved, mathematically define the problem and compute the engineering characteristics consistent with the specifications, design needs and requirements of other portions of the product.
4. Release results as design data after review by higher graded engineer. Develop original ideas and elaborate on preliminary design concepts.
5. Evaluate completed design with supervisor and other technical groups and make modifications necessary to achieve the most ideal design.
6. Develop and coordinate the conduct of test programs required to evaluate design work.

Job Responsibilities

1. Performs analysis, design, or test of one or more moderately complex or portions of complex materials, structural components, and functional systems.
2. With limited supervision, applies theoretical knowledge and engineering techniques to the solution of more complex components, structures, and sub-assemblies.
3. Responds in a timely manner to all requests and explores all avenues within authority and makes appropriate referrals to other sources.
4. Makes thoughtful and valuable suggestions and recommendations for improving own work and/or group's work.
5. Perform design, development, analysis, and/or test activities to support assigned projects.
6. Establish requirements for materials, structural components, and functional systems.
7. Release results as design data after review from other engineers.
8. Determine engineering tasks required for project planning and execution.
9. Document results of analysis, test, and design activities.

Basic Qualifications:

1. BS in Mechanical Engineering required
2. 5 years of direct Mechanical Engineering Experience, 3 years of experience with a Master's Degree or 0 years with a PhD in Engineering.
3. Strong analytical skills and the ability to organize/prioritize job assignments and tasks.
4. Working knowledge of mechanical computer aided design (CAD) software, preferably CREO (PTC).
5. Working knowledge of ANSI Geometric Dimensioning and Tolerancing (GD&T).
6. Working knowledge of manufacturing processes to include, but not limited to, machining, gauging, welding, and injection molding.
7. Material selection experience of both metals and plastics.

Preferred Qualifications:

1. Experience developing electronics packaging solutions for challenging environmental conditions: shock, temperature, electromagnetic and others.
2. Electromechanical mechanism or electro-explosive device design and analysis experience.
3. Possess an understanding of finite element analysis techniques and tools.

Salary Range: $75,700 - $113,500

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.

Employees may be eligible for 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 committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action 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/AA and Pay Transparency statement, please visit

. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
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