Mechanical Design Engineer Level 3/4
Northrop Grumman Systems
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Sunnyvale, CA · Posted October 15, 2026
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Where Sunnyvale, CA ranks
Where Sunnyvale, CA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for consumer and retail pay after cost of living$194k · of 11
- #3Best cities for data and analytics pay after cost of living$213k · of 28
- #4Best cities for pay after cost of living in California$192k · of 32
- #4Best all-round cities for AI careers95 / 100 · of 100
- #4Best all-round cities for AI careers in the West Coast88 / 100 · of 39
- #5Best cities for pay after cost of living in the West Coast$192k · of 39
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: No
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.
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 is seeking Mechanical Design Engineer Level 3 or 4 to join our team based out of Sunnyvale, Ca. The Marine Systems organization, part of Northrop Grumman Mission Systems, is searching for Mechanical Design Engineers in support of rapid growth in the Launcher Hardware organization. You will have the opportunity to be part of an expanding team of dedicated engineers directly supporting the engineering development of innovative launcher hardware for weapons systems on a variety of Navy platforms . This role requires on site presence.
Responsibilities include but are not limited to:
Develop designs concept and generate solid models that reflect those concepts
Collaborate with internal stakeholders balancing technical, schedule, and cost requirements
Conduct trade studies to select and evaluate best design approaches to fulfill requirements
Oversee the generation of engineering drawings using common GD&T practices
Identify procurement needs and support fabrication
Provide assembly checkout and test support
Generate task plans and support proposal efforts
Occasional domestic travel may be required
The qualified candidate will possess the following skills:
Good communication skills, both oral and written
Ability to work autonomously and in a team environment
Basic Qualifications for Level 3:
Bachelor of Science degree in a STEM (Science, Technology, Engineering, Mathematics) discipline with 5 years relevant work experience; or Master’s Degree in a STEM (Science, Technology, Engineering or Math) 3 years relevant work experience.
Experience in machine design and drawing generation
Ability to plan tasks and execute to the established schedule
US citizenship required
Ability to obtain and maintain a US Government Secret Clearance
Basic Qualifications for Level 4:
Bachelor of Science degree in a STEM (Science, Technology, Engineering, Mathematics) discipline with 8 years relevant work experience; or Master’s Degree in a STEM (Science, Technology, Engineering or Math) 6 years relevant work experience; or PHD in a STEM (Science, Technology, Engineering or Math) 3 years relevant work experience
Experience in machine design and drawing generation
Ability to plan tasks and execute to the established schedule
US citizenship required
Ability to obtain and maintain a US Government Secret Clearance
Preferred Qualifications:
Experience with CAD modeling (NX, CREO, SolidWorks, or equivalent)
Experience in ASME Y14.5 GD&T Standard and ASME Y14.100 Dimensioning, Tolerancing, and Engineering Drawing Practices
Experience in developing design concepts, performing trade studies, and conducting evaluations and analyses
Strong background in machine design, strength of materials, and materials technology
Experience in technical presentation
Experience in production support
Experience in working with vendors and suppliers
An active US Government Secret clearance
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.