Propulsion Thermal Systems Engineer II – Heat Exchangers

Blue Origin LLC; United States; On-site; USD 99,000 - 139,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Parental leave

401(k) with match

Education support

Stock options

Paid time off

Company holidays

Job summary

Blue Origin LLC is seeking an engineer to lead the design, development, and testing of heat exchangers and related thermal‑fluid systems. You will specify cores, headers, manifolds, and assemblies, balancing thermal performance with manufacturability and cost.

The role requires a bachelor’s in mechanical engineering and 2+ years of experience with heat exchangers or cryogenic/high‑pressure systems, plus familiarity with ASME BPVC, TEMA, and API standards.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• Minimum 2 years of relevant industry experience.
• Experience with heat exchangers, cryogenic or high‑pressure systems.
• Familiar with ASME BPVC, TEMA, API standards.

Responsibilities

• Lead design, development, and testing of heat exchangers and related systems.
• Develop requirements, specs, and design documentation for cores and assemblies.
• Design and optimize geometries—cores, headers, manifolds, tubesheets.
• Select materials considering thermal cycling and corrosion resistance.
• Create 3D CAD drawings with GD&T per ASME Y14.5.

Skills

Heat transfer

Thermal-fluid design

Thermal-stress analysis

CFD/FEA

GD&T

ASME BPVC

TEMA

Cryogenic systems

Design for manufacturability

Education

Bachelor's degree in Mechanical Engineering

Master's degree preferred

Tools

NX

CATIA

Job description

Blue Origin LLC is seeking an engineer to lead the design, development, and testing of heat exchangers and related thermal‑fluid systems. You will specify cores, headers, manifolds, and assemblies, balancing thermal performance with manufacturability and cost.

The role requires a bachelor’s in mechanical engineering and 2+ years of experience with heat exchangers or cryogenic/high‑pressure systems, plus familiarity with ASME BPVC, TEMA, and API standards.