Senior Thermal Design Engineer

  • API Heat Transfer Inc.
  • Buffalo, New York
  • Full Time

Engineer the Future of Heat Transfer -

API is growing rapidly, and we're looking for a Senior Thermal Design Engineer to help lead the way. You'll 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 $95,000/year - $110,000/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, Master's 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

Job ID: 523598583
Originally Posted on: 6/4/2026

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