Job Title:
Mechanical Engineering InternJob Description:
Mechanical Engineering Intern - Summer 2026
Here at Entegris, we use advanced science to enable technologies that transform the world, and we are seeking employees who have the drive to continue the mission.
The Role:
Our site in San Luis Obispo, CA is seeking a/an Mechanical Engineering Intern to join our team for the Summer 2026 season. This assignment is intended to be 12-14 weeks in duration.
In this role, you will support the design, development, and testing of advanced gas purification systems. Working closely with senior engineers, you will contribute to the creation of mechanical components and assemblies, assist in CAD modeling, perform basic fluid and thermal analyses, and help prepare documentation for prototypes and production.
What You’ll Do:
• Solid modeling and drafting using SolidWorks
• BOM creation and engineering documentation using SAP
• Document design changes, test results, and engineering reports
• Contribute new and innovative solutions
• Build a peer network
What We Seek:
• Junior level status or higher
• Familiarity with CAD tools (e.g. SolidWorks)
• Basic understanding of fluid mechanics and materials science
• Excellent communication and teamwork abilities
Desired Major(s) & Graduation Year:
• Currently enrolled in BS in Mechanical Engineering
• Graduation date of 2026, 2027, or 2028
Eligibility
• Entegris does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need Entegris immigration sponsorship (e.g., H1B, TN, STEM OPT, etc.) now or in the future.
• Must be a currently enrolled student
• Available to work 40 hours a week, M-F (8a-5p) beginning in mid-May/June through August/September.
• Must be familiar with the universities requirements to participate in an internship program
Why Work at Entegris
Lead. Inspire. Innovate. Define Your Future. Not everyone who works for a global company shares the same background, experiences and perspectives. We leverage the differences of our employees to bring new ideas to the table. Every employee throughout the company is encouraged to share input on projects and initiatives. Our decision-making process is truly a collaborative effort as we realize there are leaders at every level of the organization. We put our values at the core of how we operate as an organization — not just when it’s convenient, but in a lasting and meaningful way. We want the time and energy you spend here to have a positive impact on your life inside and outside of the office.
What We Offer
Our total rewards package goes above and beyond just a paycheck. Whether you’re looking to build your career, improve your health, or protect your wealth, we offer generous benefits to help you achieve your goals.
• Generous 401(K) plan with an impressive employer match
• Excellent health packages to fit your needs
• Flexible work schedule with paid holidays and sick time
• Values-driven culture with colleagues that rally around People, Accountability, Creativity and Excellence
Compensation: $20-$32 hourly range with actual pay dependent on graduation year and candidate skillset
Entegris does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need Entegris immigration sponsorship (e.g., H1B, TN, STEM OPT, etc.) now or in the future.
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Top Skills
What We Do
Artificial intelligence, augmented reality, Internet of Things – these are not just trends, they are drivers changing the way people live across the globe. With these new drivers and the increasing speed of innovation, there comes an expectation for higher-quality, higher-performing technologies at a faster pace.
Every day, and for more than 50 years, Entegris’ singular mission has been to help customers utilize our advanced science-based solutions to support demand drivers; to innovate faster and more efficiently; and ultimately to transform the world. Through the power of our solutions and technology expertise, Entegris provides customers with innovative, science-based solutions to their toughest technology challenges.
Headquartered in Billerica, Massachusetts, Entegris employs approximately 5,800 people worldwide, with roughly half employed in Asia-Pacific or Europe.
With research and development, customer service, analytical labs, and manufacturing in Asia-Pacific, North America and Europe, Entegris supports customers around the globe as they take technology to the next level.
