Senior Thermal Design Engineer

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.

• 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

• 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.

• 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.

• 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.