Engineering Product Development Co-Op

Working at Watlow

Watlow is a global technology and manufacturing leader who provides world class engineering expertise through innovative thermal products and systems, enabling our customers to thrive. We are making a positive impact every day as our solutions enrich the lives of people everywhere. We have been providing breakthrough thermal solutions for nearly a century. Our corporate values guide us uncompromisingly to always do the right thing, continually learn and improve, respect everyone, and lead with service and humility.

Watlow is a global technology and manufacturing leader who provides world class engineering expertise through innovative thermal products and systems, enabling our customers to thrive. Guided by our values:
Do what is right, always learning and improving, respect everyone, and lead with service and humility – we empower our people to turn ideas into real impact. Joining Watlow means becoming part of a team that embraces challenges, grows together, and shapes the future of technology, while making a real difference in the world.

Watlow's St. Louis location serves as our global headquarters and a hub for innovation, engineering, and advanced manufacturing. Here, we design and develop cutting‑edge thermal solutions that power critical applications across industries such as semiconductor, energy, and medical technology.

St. Louis, MO – Onsite

As a Product Development Co‑op at Watlow, you will gain hands‑on experience in designing and executing tests that shape the future of our products. Your work will directly impact innovation and quality, contributing to the success of our teams and customers worldwide. We are looking for a problem solver and continuous improver who thrives in a collaborative, fast‑paced environment. You have a strong engineering mindset, a passion for quality, and the desire to make a tangible impact.

If you're ready to take ownership and drive meaningful change, this role is for you.

• Hands‑on experience working in an electric heater test lab or machine shop alongside experienced engineers and technicians
• Assist in gathering test requirements and writing test procedures and plans
• Design and assemble test fixtures, wiring, and programming controllers
• Execute and monitor tests, perform failure and root cause analysis
• Write detailed test reports

• Pursuing an engineering bachelor’s degree from an accredited university
• Preferred:
  Electrical or Mechanical Engineering
• Experience writing test plans and procedures
• Coursework in electrical circuits and heat transfer preferred
• Solid modeling experience (Solid Works preferred)
• Aptitude for using tools;
  LabVIEW experience is a plus

The health, well‑being and financial stability of you and your family is a high priority to us. The Watlow Total Rewards Plan includes competitive compensation and a full range of life and career enhancing benefits. Work model:
Onsite. Learning and growth opportunities:
Work with cross‑functional teams and gain hands‑on experience in a state‑of‑the‑art testing facility.

We proactively embrace diversity in all its dimensions across our company and cultivate a culture of inclusion and forward thinking that respects and reflects each team member’s individual strengths, views, and experiences. Watlow takes pride in being an inclusive equal opportunity employer and considers for employment qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.

• Annual Incentive Program
• 401(k) plan that includes a company match on your contribution and an annual company contribution that is tied to company performance
• Wellness incentives
• Employee Personal Assistance Program
• Dental, medical, vision and short‑term and long‑term disability insurance
• Paid holidays, personal time, and vacation
• Parental leave
• Tuition reimbursement

Please let us know confidentially if you need or require any special accommodations to participate in our recruiting process by emailing us at