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Chemical Engineering Intern (Summer 2027)

TTM Technologies · Chippewa Falls, WI · Full time

Posted Sep 17, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a lab or project where you had to control a process variable carefully.

What they are checking: Whether they understand that small chemical changes can affect results a lot.

Tell me about a time you worked with people outside engineering to get something done.

What they are checking: Whether they can collaborate with operators and technicians who know the process well.

What do you want to come away with after a summer at a circuit board manufacturer?

What they are checking: Whether they have thoughtful goals for the internship and their career.

What would you do

Yields drop on a line that uses chemical processing. How would you begin investigating?

What they are checking: Whether they gather data on chemistry, equipment and materials before guessing at a cause.

Your mentor gives you a project with an unclear goal. What do you do?

What they are checking: Whether they ask questions to define scope instead of guessing or waiting.

About the work

Circuit board plants use plating, etching and cleaning chemistry. What chemistry from your coursework do you think applies here?

What they are checking: Whether they can connect classroom chemistry to real wet processes in PCB manufacturing.

How would you use statistical process control to tell whether a chemical bath is drifting?

What they are checking: Whether they understand control charts and the difference between normal variation and a real shift.

What safety practices do you follow when handling acids, bases or other hazardous chemicals?

What they are checking: Whether they take chemical safety, PPE and safety data sheets seriously.

How would you write a work instruction for a chemical addition so an operator does it right every time?

What they are checking: Whether they can write clear steps with quantities, safety checks and verification.

How would you estimate the cost savings from reducing chemical use or waste?

What they are checking: Whether they can tie process improvements to business value and environmental impact.

Practice this interview out loud.

Offer builds a real interview for this exact role at TTM Technologies from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

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The full job description

As published by TTM Technologies.

TTM Technologies, Inc. – Publicly Traded US Company, NASDAQ (TTMI) – Top-5 Global Printed Circuit Board Manufacturer About TTM TTM Technologies, Inc. is a leading global manufacturer of technology products, including mission systems, radio frequency (“RF”) components, RF microwave/microelectronic assemblies, and technologically advanced printed circuit boards (“PCB”s). TTM stands for time-to-market, representing how TTM's time-critical, one-stop design, engineering and manufacturing services enable customers to reduce the time required to develop new products and bring them to market. Additional information can be found at www.ttm.com The Chemical Engineering Intern will work for 12-14 weeks (May to August) to help implement process improvements. The Chemical Engineering Intern will collaborate across the organization on efforts involving design for manufacturability and cost savings. Duties and Responsibilities: • Work collaboratively in a team to implement manufacturing process improvements • Collaborate with program mentors and champions to identify best methods for automating processes • Utilize a structured engineering approach to deploy best practices for process control and to improve yields • Initiate and/or update documentation of processes into work instructions • Compares existing manufacturing practices with external benchmarks and industry best practices and proposes appropriate improvements. Maintains knowledge on current industry standards • Leads capital project efforts to resolve production capacity and technology capability issues • Present multiple project updates to the local leadership team • Limited travel required for workshops and trade shows Essential Knowledge and Skills: • Requires ability to read and interpret engineering drawings and specifications • Project management and structured problem solving with the ability to make data-based and ethical decisions • Eagerness to learn quickly • Capability for designing and analyzing experiments utilizing statistical tools • Excellent communication and interpersonal skills including strong verbal, writing and presentation skills • Ability to lead and participate effectively in cross-functional teams Education and Experience: • Current college Junior or Senior earning Bachelor’s degree in Chemical Engineering • Experience in applying engineering concepts to solve problems. Note: The statements herein are intended to describe the general nature and level of work being performed by employees and are not to be construed as an exhaustive list of responsibilities, duties, and skills required of personnel. Furthermore, they do not establish a contract for employment and are subject to change at the discretion of the employer. Compensation: Compensation for roles at TTM Technologies varies depending on a wide array of factors including but not limited to the specific office location, role, skill set and level of experience. As required by local law, TTM provides a reasonable range of compensation for roles that my be hired in New York, California and Colorado. For California-based roles, compensation ranges are based upon specific physical locations. Export Statement: Must comply with TTM Export Control Policies and Procedures and all applicable laws including ITAR, EAR and OFAC including but not limited to: a) being able to identify ITAR product on the manufacturing floor and understand that access to these products and related technical data is restricted to only US Citizens and US Permanent Residents; b) recognition of Foreign Person visitors by badge differentiation; c) understand and follow authorization procedures for bringing foreign visitors into facilities (VAL); d) understand the Export and ITAR requirements for shipments leaving the US; e) manage vendor approvals for ITAR manufacturing and services. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, citizenship, disability or protected veteran status.

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