Cost Accounting Intern - Summer 2026

Lam Research • Tualatin, OR

1d

About The Position

Lam Research develops semiconductor manufacturing solutions for the world’s leading chipmakers. We make the tools that make the chips that power your world. This position is with the Global Operations Finance team and the position will support the Cost Accounting organization and be based in the U.S. We are looking for a Cost Accounting Intern to provide day-to-day support to our Cost Accounting team. This role is ideal for a college student who is eager to learn how material costs are set up, reviewed, and managed in a manufacturing environment. The intern will help monitor the team’s cost support inbox and assist with researching and resolving questions related to raw materials, part costs, and basic cost data. This is a learning-focused role with close guidance and training.
In this role you will gain:
Practical exposure to real world cost accounting work
Experience supporting a finance team in a manufacturing environment
Confidence working with cost data and resolving questions
Strong foundation for future internships or entry-level accounting roles
Mentorship and hands-on learning in a supportive environment

Nice To Haves

• Currently enrolled in a Bachelor’s degree program (Accounting, Finance, Business, Supply Chain or similar)
• Completed or currently taking introductory accounting or finance courses
• Comfortable working with Excel at a basic level (sorting, filtering, simple formulas)
• Organized, detail oriented, and willing to ask questions

Responsibilities

• Monitor the cost accounting support inbox and help track incoming requests
• Assist with researching questions or issues related to raw material and part costs
• Help gather pricing, part, and material information needed to resolve cost questions
• Support updates and correction to material cost data and Bills of Material (BOM)
• Maintain simple Excel trackers to follow cost requests and resolutions
• Assist with documenting changes and keeping cost information organized
• Support the team during monthly close activities related to inventory and materials
• Communicate clearly with team members and business partners to help close requests

Benefits

• At Lam, our people make amazing things possible. That’s why we invest in you throughout the phases of your life with a comprehensive set of outstanding benefits.

What This Job Offers

• Career Level: Intern
• Number of Employees: 5,001-10,000 employees