Northrop Grumman is seeking a Mechanical Engineer to support our Armament Systems Business Unit based in Plymouth, MN.
Position Description
This role provides mechanical and production engineering support for the manufacture and test of medium caliber ammunition. In general, as a member of an integrated product team, you will be providing engineering support to distributed manufacturing and test locations, investigating and solving manufacturing or test issues, developing and documenting manufacturing processes, coordinating efforts between internal and external functional groups, supporting manufacturing and ammunition testing, supporting communications with our customers, and providing support and oversight to material suppliers.
Typical Duties (Including but not limited to)
- Translate contract requirements and specifications into build and test requirements
- Create, publish, review and maintain all necessary documentation required for new and existing manufacturing programs which may include the following:
- TDP reviews for correctness and completeness
- Engineering Changes, release, and incorporation into the process
- Manufacturing work instructions
- Manufacturing bills of material and routings
- Ensure appropriate documentation is in Configuration Management system
- 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
- Support Engineering disposition on non-conforming products from internal and external sources
- Support Engineering approval of proposed process changes from internal and external sources
- Participate in Failure Analysis and Corrective Actions to drive the rapid resolution of complex production issues.
- Assist in the resolution of complex manufacturing line process issues such as machining, metal finishing, painting, heat treating, assembly, and test
- Coordinate production efforts between internal functional disciplines including Engineering, Supply Chain, Quality, Manufacturing, and Test.
- Monitor In-Process Testing and Final Lot Acceptance Testing for compliance with performance specification requirements
- Assist in the preparation of and participate in customer meetings and program reviews
- Traveling to production, test and supplier facilities up to about 25%
Basic Qualifications
This position may be filled as a Mechanical Engineer level 2 or 3, depending on the candidate’s education and/or years of experience.
Qualifications for Mechanical Engineer (Level 2)
- Bachelor of Science degree in mechanical engineering or related engineering discipline
- 2+ years of experience as Mechanical Engineer; or master’s degree in lieu of experience.
- Ability to complete significant technical tasks as directed by the team lead and to provide work direction/coordination to other technical team members.
- Experience working and communicating with customers, program management, and engineering management.
- Strong technical understanding of mechanical systems, electromechanical mechanisms, manufacturing processes, metal fabrication, and standard assembly processes.
- Ability to read and interpret engineering drawings, including Geometric Dimensioning and Tolerancing (GD&T).
- Strong written and verbal communication skills; ability to work effectively with a wide variety of multi‑disciplinary personnel in remote settings and build strong, trusting relationships.
- Proficiency with Microsoft Office applications and MS Project.
- US citizenship required.
- Ability to travel up to 25% of the time.
Qualifications for Principal Mechanical Engineer (Level 3)
- Bachelor of Science degree in mechanical engineering or related engineering discipline
- 5+ years of experience as Mechanical Engineer; or master’s degree + 3 years of experience.
- Ability to complete significant technical tasks as directed by the team lead and to provide work direction/coordination to other technical team members.
- Experience working and communicating with customers, program management, and engineering management.
- Strong technical understanding of mechanical systems, electromechanical mechanisms, manufacturing processes, metal fabrication, and standard assembly processes.
- Ability to read and interpret engineering drawings, including Geometric Dimensioning and Tolerancing (GD&T).
- Strong written and verbal communication skills; ability to work effectively with a wide variety of multi‑disciplinary personnel in remote settings and build strong, trusting relationships.
- Proficiency with Microsoft Office applications and MS Project.
- US citizenship required.
- Ability to travel up to 25% of the time.
Desired Qualifications
- Demonstrated ability to apply engineering and scientific methods, theories, and research techniques in the investigation and solution of technical problems.
- Experience and proficiency in working multiple projects simultaneously
- Experience in defense, aerospace, or automotive industries
- Familiarity with SAP ERP and Teamcenter software packages
- Familiarity and experience with the manufacture and test of ammunition
- Experience working at a site compliant with AS9100D, ISO 9001:2015, or equivalent is desirable
Skills Required
- Bachelor of Science degree in mechanical engineering or a related engineering discipline
- At least 2 years of mechanical engineering experience for Level 2, or 5 years for Level 3
- Master's degree may substitute for Level 2 experience, or requires three years of experience for Level 3
- Ability to complete significant technical tasks and provide work direction or coordination to technical team members
- Experience communicating with customers, program management, and engineering management
- Strong understanding of mechanical systems, electromechanical mechanisms, manufacturing processes, metal fabrication, and assembly processes
- Ability to read and interpret engineering drawings, including GD&T
- Strong written and verbal communication skills and ability to work with multidisciplinary personnel
- Proficiency with Microsoft Office applications and MS Project
- U.S. citizenship
- Ability to travel up to 25% of the time
- Ability to apply engineering and scientific methods to investigate and solve technical problems
- Experience managing multiple projects simultaneously
- Experience in defense, aerospace, or automotive industries
- Familiarity with SAP ERP and Teamcenter
- Experience manufacturing and testing ammunition
- Experience with AS9100D, ISO 9001:2015, or equivalent compliant sites
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.









