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Mechanical Design Engineer Level 4

Philadelphia, PA

Job Description

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: 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.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!
Northrop Grumman Mission Systems - Marine Systems is seeking a Mechanical Design Engineer Level 4 to join our team of qualified, diverse individuals. The Design Engineer researches, plans, designs and develops mechanical products and systems such as mechanical, thermal hydraulic or heat transfer systems for production, transmission, measurement, and use of energy. Applies research to the planning, design, development, and testing of mechanical and/or electromechanical systems, instruments, controls, engines, and/or machines.
This position focuses on mechanical design and general engineering, including surface ship and submarine propulsion and power generation systems involving steam turbines, gearboxes and generator sets.  Activities include developing new designs from concept, thru detailed design, manufacture and test phases. Job requirements also include supporting manufacturing activities on existing production contracts. 
This position is located in the Philadelphia, but will require relocating to Annapolis Maryland in 2029.
Travel will be required to support supplier and customer meetings.
What You'll get to Do:
As a Mechanical Engineering team member you will drive and contribute to design and development of critical components and systems for naval propulsion and power generation applications involving turbines, electric motors, gearboxes and generator sets. He/she will be developing new designs from concept through detailed design, manufacture and test phases. Job responsibilities also include supporting manufacturing activities on existing production contracts. Travel may be required to support supplier and customer meetings.
Basic Qualifications:

• Bachelor of Science degree in a STEM (Science, Technology, Engineering, Mathematics) discipline with 8 years of relevant experience; Masters of Science degree in a STEM discipline with 6 years of relevant experience

• Knowledge in mechanical engineering principles, and experience in developing design concepts, performing trade studies, and conducting supporting evaluations and analyses

• CAD experience, such as CREO or NX

• A basic knowledge of ANSI Y14.5 drawing standards and geometric dimensioning and tolerancing (GD&T)

• US Citizenship required

• Ability to obtain and maintain a DoD Secret Clearance

• Ability to work as a contributing engineering team member


Preferred Qualifications:

• Knowledge in GD&T and solid modeling NX/CREO

• Current active DoD Secret clearance


Primary Level Salary Range: $124,900.00 - $187,300.00The 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.PDN-9fb11fa3-dcb3-4b84-90d2-7bb6016e964a
RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: 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.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!
Northrop Grumman Mission Systems - Marine Systems is seeking a Mechanical Design Engineer Level 4 to join our team of qualified, diverse individuals. The Design Engineer researches, plans, designs and develops mechanical products and systems such as mechanical, thermal hydraulic or heat transfer systems for production, transmission, measurement, and use of energy. Applies research to the planning, design, development, and testing of mechanical and/or electromechanical systems, instruments, controls, engines, and/or machines.
This position focuses on mechanical design and general engineering, including surface ship and submarine propulsion and power generation systems involving steam turbines, gearboxes and generator sets.  Activities include developing new designs from concept, thru detailed design, manufacture and test phases. Job requirements also include supporting manufacturing activities on existing production contracts. 
This position is located in the Philadelphia, but will require relocating to Annapolis Maryland in 2029.
Travel will be required to support supplier and customer meetings.
What You'll get to Do:
As a Mechanical Engineering team member you will drive and contribute to design and development of critical components and systems for naval propulsion and power generation applications involving turbines, electric motors, gearboxes and generator sets. He/she will be developing new designs from concept through detailed design, manufacture and test phases. Job responsibilities also include supporting manufacturing activities on existing production contracts. Travel may be required to support supplier and customer meetings.
Basic Qualifications:

• Bachelor of Science degree in a STEM (Science, Technology, Engineering, Mathematics) discipline with 8 years of relevant experience; Masters of Science degree in a STEM discipline with 6 years of relevant experience

• Knowledge in mechanical engineering principles, and experience in developing design concepts, performing trade studies, and conducting supporting evaluations and analyses

• CAD experience, such as CREO or NX

• A basic knowledge of ANSI Y14.5 drawing standards and geometric dimensioning and tolerancing (GD&T)

• US Citizenship required

• Ability to obtain and maintain a DoD Secret Clearance

• Ability to work as a contributing engineering team member


Preferred Qualifications:

• Knowledge in GD&T and solid modeling NX/CREO

• Current active DoD Secret clearance


Primary Level Salary Range: $124,900.00 - $187,300.00The 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.PDN-9fb11fa3-dcb3-4b84-90d2-7bb6016e964a

About Northrop Grumman

Northrop Grumman is a leading global aerospace and defense technology company. Our pioneering solutions equip out customers with the capabilities they need to connect and protect the world and push the boundaries of human exploration across the universe. Driven by a shared purpose to solve our customers’ toughest problems, our nearly 100,000 employees contribute to launching the technology of tomorrow, today.

© 2025 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.

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Mechanical Design Engineer Level 4
Northrop Grumman
Philadelphia, PA
Aug 22, 2025
$124,900 - $187,300 a year
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