Kaysun Job Fair Website Picture

If you are looking for an innovative company to start your career or to further your career, consider Kaysun Corporation. Our vision is for Kaysun to become the number one provider of highly engineered injection molded products and value added services and we are interested in highly motivated, talented individuals who embrace our values and are committed to contributing to a positive, growing company.


We offer a comprehensive benefit plan that includes health, dental, vision, disability, life, and voluntary life insurance as well as section 124 flexible spending plans. We offer a 401k plan to all employees and pride ourselves in our state-of-the-art facility that includes a fitness center as one of the many ways we actively promote workplace wellness. We also offer 75% fitness club membership reimbursement benefits. 

With over 60 years of experience and expertise, Kaysun has grown from three people to hundreds of employees and has a state-of-the-art headquarters in Manitowoc, Wisconsin. We are very proud of how far we have come and seek to continue our growth through the dedication, talent, and hard work of our employees.


We are the go-to partner for critical-use highly engineered plastic products. A primary differentiator of Kaysun as an injection molding company is our engineering expertise that enables us to solve the toughest design and manufacturing challenges. We therefore invest in technology and personnel to grow and build Kaysun into the leading custom contract manufacturing and plastic injection molding firm that serves customers across the globe.

Three Ways to Apply:

  1. E-mail your resume to employment@kaysun.com
  2. Apply online (see individual job position pages)
  3. Visit our facility during business hours to pick up an application

Kaysun Corporation
5500 West Drive
Manitowoc, WI 54220

Monday – Friday, 8:00 AM – 5:00 PM

Open Positions

Advanced Maintenance Technician 1st Shift

Automation Technician - 1st Shift

Automation Technician - 2nd Shift

Continuous Improvement Leader

Entry Level Production Technicians – 1st, 2nd, and 3rd Shifts

Maintenance Technician - 2nd shift

Mold Technician - 2 Openings

Outside Sales Representative

Part Time Production Openings

Quality Engineer (Automotive Emphasis)

Value Added Assembly Production Technicians – 2nd and 3rd Shift

Our vision is for Kaysun to become the recognized leader in providing highly engineered injection molded products throughout the world, offering premier plastic injection molding jobs. We are committed to continued growth and seek team members who share our values and our dedication to serving our clients extremely well by designing and delivering solutions that exceed their expectations measured in terms of quality, reliability, and creativity. Being viewed as the dependable, go-to partner for plastics design, manufacturing and assembly of critical-use products is what drives us.

Kaysun Corporation is an equal opportunity employer. Females, Minorities, Protected Veterans, and Individuals with Disabilities are encouraged to apply.

Notice for candidates applying, Kaysun Corporation participates in E-Verify and follows pay transparency nondiscrimination provision.

Two Kaysun employees on the shop floor

Kaysun employee programing a injection molding machine

Kaysun employee woking on an injection molding machine part

Kaysun employees meeting in a conference room

Person wearing a Kaysun Corporation t-shirt holding an injected molded part

Kaysun employee working on an injection molding machine

Three Kaysun employees holding up their American Injection Molding Institute degrees