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Principal Mechanical Engineer

Northrop Grumman

Engineering Jobs

Principal Mechanical Engineer

full-timePosted: Jan 2, 2026

Job Description

Conduct Failure Analysis and Corrective Actions to drive the rapid resolution of complex design issues. Provide mechanical design-to-production engineering support for the development of new and modification of existing medium caliber ammunition products Provide work direction and engineering support to our distributed manufacturing and test locations Assist in the resolution of complex manufacturing line process issues such as machining, metal finishing, painting, heat treating, general mechanical assembly, and test Research and evaluate commercially available tools and equipment to support manufacturing activities. Design and procure specialized tooling and fixtures. Develop new, and improve existing, manufacturing processes Develop task releases, get them approved and introduced into the manufacturing system Prepare for and support Build Readiness Reviews and Production Readiness Reviews Create test requests and support test readiness reviews Coordinate manufacturing efforts between internal functional disciplines including Engineering, Supply Chain, Quality, Manufacturing, and Test. As the responsible agent for the product Technical Data Package, support the creation and release of Engineering Changes (concept through final release). Provide Engineering disposition on tooling and gage changes from internal and external sources Provide Engineering disposition on non-conforming product from internal and external sources Provide Engineering approval on proposed process changes from internal and external sources Create, publish, review and maintain all necessary documentation required for new and existing manufacturing programs. Manufacturing work instructions Manufacturing bills of material and build lists TDP reviews for correctness and completeness Ensure appropriate documentation is in Configuration Management system Monitor In-Process Testing and Lot Acceptance Testing for compliance to performance specification requirements. Assist in the preparation of engineering and program proposals Assist in the preparation of and participate in customer meetings and program reviews Travel up to about 10% Bachelor of Science degree in Mechanical Engineering or similar STEM discipline plus 5 years of relevant experience in engineering. Or master's degree plus 3 years of relevant engineering experience. Ability to guide successful completion of significant tasks and provide some work direction, mentoring, and coordination of other technical team members. Some experience working and communicating with customers, program management, and engineering management Technical understanding of mechanical mechanisms, electromechanical mechanisms, manufacturing processes, metal fabrication, and standard assembly processes. Applies knowledge of engineering and scientific methods, theories and research techniques in the disciplined investigation and solution of technical problems. The person filling this position must be able to work with a wide variety of multi-discipline people, in remote settings, interact with them frequently, building strong trusting relationships. Experience and proficiency in working with multiple projects. Self-motivated to start and complete quality work Strong communication skills, written and verbal Strong computer skills in Microsoft Suite, including MS Project. Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. Ability to obtain a U.S. government secret level security clearance Familiarity with metal coatings and heat treatments Familiarity and experience with energetic materials typically found in medium caliber ammunition Familiarity and experience with the manufacture and test of medium caliber ammunition Ability to read drawings with Geometric Dimensioning and Tolerancing Experience working at a site compliant with AS9100D, ISO 9001:2015, or equivalent

Locations

  • Plymouth, Minnesota, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 185,000 USD / yearly

Source: rule based estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Responsibilities

  • Conduct Failure Analysis and Corrective Actions
  • Provide mechanical design-to-production engineering support for ammunition products
  • Provide work direction and engineering support to manufacturing and test locations
  • Assist in resolution of manufacturing line process issues (machining, metal finishing, painting, heat treating, assembly, test)
  • Develop new and improve existing manufacturing processes
  • Develop task releases and introduce into manufacturing system
  • Prepare for and support Build Readiness Reviews and Production Readiness Reviews
  • Create test requests and support test readiness reviews
  • Coordinate manufacturing efforts between Engineering, Supply Chain, Quality, Manufacturing, and Test
  • Support creation and release of Engineering Changes as responsible agent for Technical Data Package
  • Provide Engineering disposition on tooling, gage changes, non-conforming product, and process changes
  • Create, publish, review and maintain documentation (work instructions, BOM, TDP)
  • Monitor In-Process Testing and Lot Acceptance Testing

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Northrop Grumman logo

Principal Mechanical Engineer

Northrop Grumman

Engineering Jobs

Principal Mechanical Engineer

full-timePosted: Jan 2, 2026

Job Description

Conduct Failure Analysis and Corrective Actions to drive the rapid resolution of complex design issues. Provide mechanical design-to-production engineering support for the development of new and modification of existing medium caliber ammunition products Provide work direction and engineering support to our distributed manufacturing and test locations Assist in the resolution of complex manufacturing line process issues such as machining, metal finishing, painting, heat treating, general mechanical assembly, and test Research and evaluate commercially available tools and equipment to support manufacturing activities. Design and procure specialized tooling and fixtures. Develop new, and improve existing, manufacturing processes Develop task releases, get them approved and introduced into the manufacturing system Prepare for and support Build Readiness Reviews and Production Readiness Reviews Create test requests and support test readiness reviews Coordinate manufacturing efforts between internal functional disciplines including Engineering, Supply Chain, Quality, Manufacturing, and Test. As the responsible agent for the product Technical Data Package, support the creation and release of Engineering Changes (concept through final release). Provide Engineering disposition on tooling and gage changes from internal and external sources Provide Engineering disposition on non-conforming product from internal and external sources Provide Engineering approval on proposed process changes from internal and external sources Create, publish, review and maintain all necessary documentation required for new and existing manufacturing programs. Manufacturing work instructions Manufacturing bills of material and build lists TDP reviews for correctness and completeness Ensure appropriate documentation is in Configuration Management system Monitor In-Process Testing and Lot Acceptance Testing for compliance to performance specification requirements. Assist in the preparation of engineering and program proposals Assist in the preparation of and participate in customer meetings and program reviews Travel up to about 10% Bachelor of Science degree in Mechanical Engineering or similar STEM discipline plus 5 years of relevant experience in engineering. Or master's degree plus 3 years of relevant engineering experience. Ability to guide successful completion of significant tasks and provide some work direction, mentoring, and coordination of other technical team members. Some experience working and communicating with customers, program management, and engineering management Technical understanding of mechanical mechanisms, electromechanical mechanisms, manufacturing processes, metal fabrication, and standard assembly processes. Applies knowledge of engineering and scientific methods, theories and research techniques in the disciplined investigation and solution of technical problems. The person filling this position must be able to work with a wide variety of multi-discipline people, in remote settings, interact with them frequently, building strong trusting relationships. Experience and proficiency in working with multiple projects. Self-motivated to start and complete quality work Strong communication skills, written and verbal Strong computer skills in Microsoft Suite, including MS Project. Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. Ability to obtain a U.S. government secret level security clearance Familiarity with metal coatings and heat treatments Familiarity and experience with energetic materials typically found in medium caliber ammunition Familiarity and experience with the manufacture and test of medium caliber ammunition Ability to read drawings with Geometric Dimensioning and Tolerancing Experience working at a site compliant with AS9100D, ISO 9001:2015, or equivalent

Locations

  • Plymouth, Minnesota, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 185,000 USD / yearly

Source: rule based estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Responsibilities

  • Conduct Failure Analysis and Corrective Actions
  • Provide mechanical design-to-production engineering support for ammunition products
  • Provide work direction and engineering support to manufacturing and test locations
  • Assist in resolution of manufacturing line process issues (machining, metal finishing, painting, heat treating, assembly, test)
  • Develop new and improve existing manufacturing processes
  • Develop task releases and introduce into manufacturing system
  • Prepare for and support Build Readiness Reviews and Production Readiness Reviews
  • Create test requests and support test readiness reviews
  • Coordinate manufacturing efforts between Engineering, Supply Chain, Quality, Manufacturing, and Test
  • Support creation and release of Engineering Changes as responsible agent for Technical Data Package
  • Provide Engineering disposition on tooling, gage changes, non-conforming product, and process changes
  • Create, publish, review and maintain documentation (work instructions, BOM, TDP)
  • Monitor In-Process Testing and Lot Acceptance Testing

Target Your Resume for "Principal Mechanical Engineer" , Northrop Grumman

Get personalized recommendations to optimize your resume specifically for Principal Mechanical Engineer. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Principal Mechanical Engineer" , Northrop Grumman

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

AerospaceDefenseTechnologyDefense

Answer 10 quick questions to check your fit for Principal Mechanical Engineer @ Northrop Grumman.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.