Jobs › TTM Technologies

This position has closed. TTM Technologies removed this listing from their careers page on Oct 6, 2026. The interview prep below is still useful, and there are similar open roles at the bottom of this page.

Lab Technician - Wet Lab - Weekend AM Shift

TTM Technologies · Chippewa Falls, WI · Full time

Posted Sep 8, 2026 · We last checked this listing on Oct 4, 2026

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 time you got a result that didn't make sense. What did you do?

What they are checking: Whether they double-check and look for errors before reporting surprising results.

This is a Friday through Sunday shift, 6 a.m. to 6:30 p.m. How do you keep your accuracy up through long days?

What they are checking: Whether they can stay careful through long weekend shifts.

What would you do

Your analysis shows a bath is out of spec. Walk me through what you do next.

What they are checking: Whether they tag out the line correctly and communicate quickly, as the posting requires.

A production supervisor pushes back on your tag-out because it will stop the line. How do you handle it?

What they are checking: Whether they hold firm on quality while explaining the risk clearly.

How do you work with suppliers when a piece of test equipment needs service or software support?

What they are checking: Whether they can manage vendor relationships to keep lab equipment running.

About the work

What chemical analysis methods have you used, like titrations or spectroscopy?

What they are checking: Whether they have hands-on lab skills for analyzing process chemistry.

How do you decide which test method to use for a specific process bath?

What they are checking: Whether they understand that analysis method depends on the chemistry and needed accuracy.

How do you use SPC software to spot a trend before a bath goes out of spec?

What they are checking: Whether they look at trends, not just individual results, to prevent problems.

How do you keep lab instruments calibrated and maintained?

What they are checking: Whether they understand that bad instruments produce bad data that leads to bad decisions.

What safety practices do you follow when handling concentrated acids and other chemicals?

What they are checking: Whether they handle hazardous chemicals with proper PPE and procedures.

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.

Practice this out loud

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 Weekend AM Shift: Friday, Saturday and Sunday 6:00am to 6:30pm Duties and Responsibilities: • Supervises the running and maintenance of all Wet Lab equipment. • Maintain relationship with Production Operators, Technicians, and Engineering. • Effectively performs and reports chemical analysis results through lab software. • Responsible for tracking chemical analysis results in SPC software and identification of trends. • Responsible for Tag-out of process lines for chemical out-of-spec conditions. • Responsible for interfacing with all suppliers of test equipment on maintenance and software support needs. • Determine appropriate test methods and proper analysis techniques based on specific process chemistry. • Responsible for insuring proper safety requirements and practices are being followed by all persons in the lab areas. • Insure accurate and complete documentation of all test methods. • Resolves problems that are related to data collection, and distribution along with assisting in the successful resolution of technical problems. • Interfaces with many levels throughout the division in a professional manner. • Performs other related duties as assigned. • Support off shift to provide vacation/sick coverage as needed. Essential Knowledge and Skills: • Knowledge of basic chemistry including titration and pH analysis methods. • Excellent verbal and written communication skills. Education and Experience: • Two year degree in chemical science field of study or five years’ experience running test equipment is preferred. • Experience running analytical chemical equipment and wet titrations is preferred. #LI-RO1 #ISBU Compensation and Benefits: TTM offers a variety of health and well-being benefit programs. Benefit options include medical, dental, vision, 401K, Flexible Spending Account, Health Savings Account, accident benefits, life insurance, disability benefits, paid vacation & holidays. Benefits are available 1st of the month following date of hire. 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 may 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.