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Principal Heat Exchanger Design Engineer

Watlow Electric Manufacturing Company, Hannibal, MO, United States


Principal Heat Exchanger Design Engineer
Job Description
Watlow is seeking an experienced Staff Engineer to serve as our Global subject matter expert (SME) for pressure vessel design and Watlow electric style shell-and-tube heat exchange technology . Based in Hannibal, Missouri, this critical role supports the development of electrified heat exchanger systems that are central to our renewable energy and decarbonization initiatives.

Ideal candidates will possess deep knowledge of ASME code, mechanical design, fabrication processes, and will be a trusted technical resource to engineers across the globe. This hands‑on role includes full design ownership—from concept through drawings to shop floor collaboration—and offers the opportunity to shape the next generation of clean thermal technology. Experience with thermal and dynamic heat transfer analysis is a strong plus.

Key Responsibilities:

Act as the global SME for mechanical design and fabrication of shell-and-tube heat exchangers and pressure vessels.

Lead the application of ASME Boiler & Pressure Vessel Code (Section VIII) in all relevant designs.

Create and review detailed engineering drawings and documentation.

Collaborate directly with fabrication shops and operations teams to ensure manufacturability, safety, and performance.

Support and mentor global design engineers on pressure vessel-related projects and standards.

Ensure consistency, quality, and innovation across heat exchanger platforms worldwide.

Engage with thermal teams to enhance system performance through collaborative design.

Contribute to Watlow’s electrification product roadmap and decarbonization goal.

Qualifications:

Bachelor’s or Master’s degree in Mechanical Engineering or related field.

10+ years of experience in pressure vessel and shell-and-tube heat exchanger design.

Deep, working knowledge of ASME Code Section VIII and related pressure vessel standards.

Ability to create and review mechanical drawings using CAD tools.

Hands‑on experience working with fabrication teams and operators in a manufacturing environment.

Strong communication skills and a collaborative, mentoring approach.

Familiarity with thermal/dynamic heat transfer analysis is a plus.

Passion for sustainable engineering and advancing clean energy technologies.

Benefits:

Annual Incentive Program

401(k) plan with company match and performance‑tied contribution

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

Diversity & Inclusion
Watlow takes pride in being an inclusive equal‑opportunity employer and considers qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.

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

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