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Process Engineer

TTM Technologies · Chippewa Falls, WI · Full time

Posted Sep 3, 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 new process or piece of equipment you brought into production.

What they are checking: Whether they can plan and carry out implementation, which the posting puts at the center of the role.

How do you work with operators and technicians on the floor to improve a process?

What they are checking: Whether they respect frontline knowledge and earn cooperation for changes.

Tell me about a time you used design of experiments to solve a problem.

What they are checking: Whether they apply structured experiments rather than trial and error.

This is an onsite role in Chippewa Falls. How do you like to spend your time on the production floor?

What they are checking: Whether they engineer from where the process runs instead of only from a desk.

What would you do

Yields drop in photoimaging over a week. Walk me through how you'd find the cause.

What they are checking: Whether they use data and structured problem solving instead of changing settings at random.

How do you make sure a process change doesn't create a new problem downstream?

What they are checking: Whether they think about the whole board build and use change control.

About the work

Your focus would be thin film coating, photoimaging and chemical conversion. Which of these have you worked with, and how?

What they are checking: Whether their experience matches the specific processes this role owns.

What process variables most affect photoimaging quality, and how would you control them?

What they are checking: Whether they understand exposure, registration, cleanliness and developer chemistry in imaging.

How do you use statistical process control to keep a chemical process stable?

What they are checking: Whether they set meaningful control limits and respond to signals properly.

How do you justify the cost of a process change to management?

What they are checking: Whether they can tie improvements to yield, cost and schedule in business terms.

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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 Process Manufacturing Engineer is responsible for developing, implementing, and maintaining new and improved manufacturing systems to improve methods as it relates to printed circuit boards. This position is located in Chippewa Falls, WI and is an on-site position. Area of focus will be thin film coating, photoimaging, and chemical conversion of materials used to produce multi-layer printed circuit boards. Duties and Responsibilities : • Responsible for developing, implementing, and maintaining new and/or improved manufacturing systems, processes, methods, equipment, strategies, technologies, and facilities in order to improve manufacturability and produce products within a reasonable schedule and budget. • Ensures cost-effective design, installation, and method of monitoring and modifying of manufacturing processes. • Resolve problems in processes and materials. • Evaluate alternative approaches to manufacturing if a product, as designed, cannot meet product requirements. • Interface with internal and external customers, suppliers and/or equipment vendors to resolve manufacturing issues. • Develop budgets for capital equipment, product start-up and development projects. • Develop project plans for implementation of new processes, existing process modification, capacity improvements and throughput enhancements. • Perform cost/benefit analysis on new and existing manufacturing process improvement opportunities. • Perform capacity and capability analysis on manufacturing processes. • Develop experiments to diagnose and correct manufacturing problems utilizing statistically valid methodologies. • Identify yield improvement opportunities and leads the development of action plans to improve yields. • Perform defect characterization analysis to construct root cause effect relationships for defect reduction leading to yield enhancements. • Provide critical process/parameters data for FMEA manufacturing tables. • Participate in project implementation and defect reduction teams. • Provide investigation, analysis, containment and solutions for yield excursions. • Document all tests and process changes – permanent and temporary – through a change control system that is ISO compliant. Education and Experience : • Bachelor’s degree in Engineering or related field or equivalent experience preferred. • 5 years’ experience in related field. Printed Circuit board or similar Electronic Manufacturing preferred. • Experience in value-add manufacturing with chemical, mechanical, imaging, or polymer processes is preferred • Adept in using MES systems, Microsoft Word, Excel, and a working knowledge Minitab, PowerPoint, Microsoft Access and Microsoft Project is preferred. • Familiar with world class manufacturing principles of: DOE, FMEA, Jidoka/Andon, TPM, 6S. Experience with machine automation and Factory 4.0 concepts is preferred. • Highly technical communications capabilities are necessary to successfully exchange with suppliers, customers, and internal functions TTM has a convenient on-site Health Center! Preventative exams, life coaching, sick care, physical therapy, and health coaching are all available to ALL employees. #LI-KD1 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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