Principal Heat Exchanger Design Engineer

Principal Heat Exchanger Design Engineer

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Working at Watlow

Watlow is a global technology and manufacturing leader that provides world‑class engineering expertise through innovative thermal products and systems, enabling our customers to thrive. We make a positive impact every day as our solutions enrich the lives of people everywhere. With over 100 years of breakthrough thermal solutions, 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 seeking an experienced Staff Engineer to serve as our global subject‑matter expert (SME) for pressure vessel design and 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. The ideal candidate will have deep expertise in ASME code, mechanical design, fabrication processes, and 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 help shape the next generation of clean thermal technology. Experience with thermal and dynamic heat‑transfer analysis is a strong plus.

• 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.

• 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.

The Watlow Total Compensation Plan prioritizes the health, well‑being, and financial stability of you and your family. It includes competitive compensation and a full range of life‑and‑career‑enhancing benefits:

• Annual Incentive Program
• 401(k) plan with company match on your contribution and an annual company contribution tied to 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

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.

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

• Mid‑Senior level

• Full‑time

• Engineering and Information Technology

• Industrial Machinery Manufacturing

Location:

Hannibal, Missouri | Salary: $60,000.00‑$70,000.00