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Maintenance PLC/Automation Technician - 1st Shift

TTM Technologies · Chippewa Falls, WI · Full time

Posted Aug 21, 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 an automation improvement you made that saved time or reduced downtime.

What they are checking: Whether they improve systems, not just repair them.

What would you do

A machine faults out, and the HMI message doesn't match what you see. How do you troubleshoot?

What they are checking: Whether they go online with the PLC and trace inputs and outputs instead of trusting one message.

Production asks you to bypass a safety interlock to keep running. What do you do?

What they are checking: Whether they refuse to defeat safety devices and offer a safer way forward.

About the work

Which PLC platforms have you worked with, and what kinds of changes have you made in the logic?

What they are checking: Whether they have real PLC experience, not just familiarity with the names.

How would you organize and manage backups for PLCs and operating systems across all process and facilities equipment?

What they are checking: Whether they keep version control and current backups so a failed controller can be restored quickly.

Some process equipment runs on older computers. How do you keep that hardware going when parts are hard to find?

What they are checking: Whether they are resourceful with legacy systems that many plants still depend on.

What precautions do you take before editing PLC logic on a running line?

What they are checking: Whether they know online edits can stop or crash equipment and plan changes carefully.

How do you troubleshoot sensors, drives and motors in an automated system?

What they are checking: Whether they can diagnose the field devices that cause most automation failures.

Walk me through your lockout/tagout process on automated equipment.

What they are checking: Whether they handle stored energy and automatic restart hazards safely.

How do you document changes you make to a PLC program?

What they are checking: Whether they leave clear records so others can understand and support their changes.

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 The Maintenance Technician helps to maintain manufacturing equipment systems, facilities equipment systems, methods, strategies and technologies in order to produce reliable products within a reasonable schedule and budget. Provide mechanical and electrical maintenance support to ensure proper upkeep of complex equipment. Duties and Responsibilities : • Ensures cost-effective installation, monitoring and modification of manufacturing equipment. Resolves problems in equipment, process, or materials as needed. • Maintain/manage a large amount of PLC and OS backups for all Process and Facilities related equipment. • Repair hardware on older model computers used on Process equipment and throughout the plants. • Repair/troubleshoot issues with PLC’s, HMI’s and Computers used on Process Equipment. • Interfaces with internal and external customers, suppliers, and/or equipment vendors to resolve equipment issues. • Identifies equipment improvement opportunities and modifies equipment to reinvent improper operation. • Performs reactive maintenance on production equipment utilizing electrical, electronic, pneumatic, hydraulic, and mechanical trouble shooting techniques. • Assists in scheduling time to perform PM’s on production equipment. • Assists in development of PM schedule. • Assists in the training of electro/mechanical technicians as needed. • Assists in keeping accurate maintenance records and information on production and facilities equipment. • Assists in maintaining inventory of spare parts and supplies. • Communicate with Engineering and Production personnel to resolve equipment related process problems. • Work hand in hand alongside Engineering resolving complex equipment issues, making modifications, etc. • Performs PM’s and responds to reactive maintenance calls on a variety of production equipment thereby keeping machines operating at peak efficiency. • Performs other duties as assigned. Essential Knowledge and Skills : • Working knowledge of mechanical and electrical drawings is necessary. • Extensive knowledge with various makes/models of PLC’s, able to hookup a lab top and upload/download programs is preferred. • Extensive knowledge with various makes/models of VFD’s, strong ability to program and/or alter parameters is preferred. • Good understanding/ability on creating backups of PLC and Computer programs to store and use at a later date as needed is preferred. • Good communication and leadership skills is preferred. • Basic understanding of Microsoft Windows software is preferred. • A strong background in electrical and electronics (digital and analog), mechanics, hydraulics, pneumatics is preferred. • A strong background in using electrical test equipment, DVM, AMP meter/probe, O-scope, Megger, etc is preferred. • Use of all types of shop equipment so the ability to weld different types of metals, different types of plastics and operate a machine mill & lathe a plus. • Troubleshoot and upkeep of complex equipment. Education and Experience : • Two year Associate Degree in Electro-Mechanical / Engineering Automation or Industrial Maintenance and/or equivalent skills and three years applicable experience is preferred 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.

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