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Senior Thermal Design Engineer

API Heat Transfer


Job Location:

Buffalo, IA - USA

Monthly Salary: Not provided by the employer
Posted: 11 July 2026 (30+ days ago)
Application Deadline: 8 October 2026
Vacancies: 1 Vacancy

Job Summary

Engineer the Future of Heat Transfer

API is growing rapidly and were looking for a Senior Thermal Design Engineer to help lead the way. Youll design and optimize shell-and-tube and gasketed plate heat exchangers owning projects from thermal rating through manufacturing support alongside a world-class global team of thermal professionals pushing the boundaries of heat transfer technology.

What We Offer You:

  • Opportunity to learn from and contribute to a premier global company
  • Be part of leading-edge technology for the heat transfer industry
  • Ability to impact customers across multiple industries
  • Full health & welfare benefits 401(k) PTO and developmental opportunities!
  • Salary Range $95000/year - $110000/year

What You Will Do:

  • Thermal Rating: Perform thermal design and sizing of shell-and-tube and plate-type heat exchangers for situations involving single and multi-phase flows and phase change.
  • Software Simulation: Utilize HTRI and other packages along with API proprietary programs.
  • Spec Verification: Review customer data sheets piping diagrams and process specifications.
  • Cross-Functional Support: Collaborate with mechanical design engineers to ensure code compliance to ASME CRN PED ABS and other relevant codes.
  • Client Consultation: Provide technical support to sales teams and interface directly with clients on an as-needed basis.

What You Will Bring:

  • Education: Bachelor of Science degree in Mechanical or Chemical Engineering Masters degree preferred.
  • Accreditation: Degree must be from an ABET-accredited university.
  • Experience: 3 to 5 years of professional experience in thermal design.
  • Exchanger Expertise: Proven track record sizing shell-and-tube and plate heat exchangers for single and multi-phase fluids.
  • Software Skills: Proficient with HTRI or Aspen EDR software.
  • Fluid Dynamics: Strong foundational knowledge of thermodynamics fluid mechanics and heat transfer.
  • Communication: Clear technical writing and verbal communication skills. English proficiency required.

Preferred Qualifications

  • Industry Standards: Familiarity with TEMA standards and ASME Section VIII Division 1.
  • Research & Development: Experience with laboratory testing of thermal products
  • Local Presence: Current residency in or willingness to relocate to the Buffalo NY area.

APICZ



Engineer the Future of Heat Transfer

API is growing rapidly and were looking for a Senior Thermal Design Engineer to help lead the way. Youll design and optimize shell-and-tube and gasketed plate heat exchangers owning projects from thermal rating through manufacturing support alongside a world-class global team of thermal professionals pushing the boundaries of heat transfer technology.

What We Offer You:

  • Opportunity to learn from and contribute to a premier global company
  • Be part of leading-edge technology for the heat transfer industry
  • Ability to impact customers across multiple industries
  • Full health & welfare benefits 401(k) PTO and developmental opportunities!
  • Salary Range $95000/year - $110000/year

What You Will Do:

  • Thermal Rating: Perform thermal design and sizing of shell-and-tube and plate-type heat exchangers for situations involving single and multi-phase flows and phase change.
  • Software Simulation: Utilize HTRI and other packages along with API proprietary programs.
  • Spec Verification: Review customer data sheets piping diagrams and process specifications.
  • Cross-Functional Support: Collaborate with mechanical design engineers to ensure code compliance to ASME CRN PED ABS and other relevant codes.
  • Client Consultation: Provide technical support to sales teams and interface directly with clients on an as-needed basis.

What You Will Bring:

  • Education: Bachelor of Science degree in Mechanical or Chemical Engineering Masters degree preferred.
  • Accreditation: Degree must be from an ABET-accredited university.
  • Experience: 3 to 5 years of professional experience in thermal design.
  • Exchanger Expertise: Proven track record sizing shell-and-tube and plate heat exchangers for single and multi-phase fluids.
  • Software Skills: Proficient with HTRI or Aspen EDR software.
  • Fluid Dynamics: Strong foundational knowledge of thermodynamics fluid mechanics and heat transfer.
  • Communication: Clear technical writing and verbal communication skills. English proficiency required.

Preferred Qualifications

  • Industry Standards: Familiarity with TEMA standards and ASME Section VIII Division 1.
  • Research & Development: Experience with laboratory testing of thermal products
  • Local Presence: Current residency in or willingness to relocate to the Buffalo NY area.

APICZ



Required Experience:

Senior IC


About Company

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API Heat Transfer designs and manufactures custom heat exchangers for data centers, oil & gas, power generation, food processing, and 16+ industries. 150+ years of engineering excellence. 185+ countries served. Request a quote today.

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