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Mechanical Engineer Principal

Applied Materials

Billerica, MA · Posted September 24, 2026

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About the job

Who We Are

Applied Materials is the global leader in materials science and engineering solutions that are at the foundation of virtually every new semiconductor chip and advanced display in the world. The equipment that we create and service is essential to advancing AI and accelerating the commercialization of next-generation semiconductor chips. Join us and push the boundaries of materials science and engineering in a company at the foundation of the electronics industry. The work we do together advances the world’s technology.

What We Offer

Salary: $148,000.00 - $203,500.00

Location: Billerica,MA

You’ll benefit from a supportive work culture that encourages you to learn, develop, and grow your career as you take on challenges and drive innovative solutions for our customers. We empower our team to push the boundaries of what is possible—while learning every day in a supportive leading global company. Visit our Careers website to learn more.

At Applied Materials, we care about the health and wellbeing of our employees. We’re committed to providing programs and support that encourage personal and professional growth and care for you at work, at home, or wherever you may go. Learn more about our benefits .

As a Mechanical Engineer, you’ll leverage your strong foundation in physics, mathematics, and materials science to process and resolve mechanical problems, design and implement custom mechanical tooling and associated processes, and enable the handling, assembly, and disassembly of parts, components, sub-assemblies, and final assemblies throughout the product life cycle. You'll be responsible for designing, developing, and modifying mechanical engineering layouts, schematics, and specifications. You will oversee manufacturing and installation processes, ensuring adherence to industry standards and regulations-- and you'll coordinate the procurement and assembly of mechanical components and equipment for design projects, identifying sources of critical parts and subsystems to resolve technical issues.

Role Responsibilities:

Independently develop and implement concepts for a range of significantly complex product engineering solutions

Determine appropriate material and fabrication processes for parts.

Lead or execute engineering projects and spearhead the mechanical aspects as part of the R&D team

Identify and troubleshoot a wide range of significantly complex engineering problems

Specify or perform significantly complex engineering analysis and FEA simulation.

Perform tolerance analysis on parts and assemblies.

Communicate with internal and external customers regarding significantly complex engineering issues to address customers’ important needs.

Review and understand product specifications and invent new or improved sub-systems to intercept future needs.

Work with electrical engineering, chemical engineering, and software engineering groups to generate the mechanical aspects of equipment solutions.

Specify engineering tests for mechanical systems and oversee technicians that will implement assembly and testing.

Interpret complex engineering layouts, schematics, drawings, and specifications

Specify and review engineering documentation and engineering processes

Visit manufacturing and customer sites to identify and resolve first time issues

Minimum Qualifications:

Bachelor’s degree

10-15 years of experience

Deep technical expertise in equipment design, assembly and part fabrication

Experience with semiconductor equipment, especially wet processing equipment, is preferred

Strong interpersonal and communication skills to explain difficult or sensitive information and to build consensus

#advancedpackaging

Additional Information

Time Type: Full time

Employee Type: Assignee / Regular

Travel: No

Relocation Eligible: Yes

The salary offered to a selected candidate will be based on multiple factors including location, hire grade, job-related knowledge, skills, experience, and with consideration of internal equity of our current team members. In addition to a comprehensive benefits package, candidates may be eligible for other forms of compensation such as participation in a bonus and a stock award program, as applicable.

For all sales roles, the posted salary range is the Target Total Cash (TTC) range for the role, which is the sum of base salary and target bonus amount at 100% goal achievement.

Applied Materials is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, national origin, citizenship, ancestry, religion, creed, sex, sexual orientation, gender identity, age, disability, veteran or military status, or any other basis prohibited by law.

In addition, Applied endeavors to make our careers site accessible to all users. If you would like to contact us regarding accessibility of our website or need assistance completing the application process, please contact us via e-mail at Accommodations_Program@amat.com, or by calling our HR Direct Help Line at 877-612-7547, option 1, and following the prompts to speak to an HR Advisor. This contact is for accommodation requests only and cannot be used to inquire about the status of applications.