Senior Turbomachinery Design Engineer (Aerodynamics)

Location: Bethlehem, Pennsylvania, United States. Hybrid schedule with four days per week in the office; minimal travel, typically less than 10%.

Company

hirify.global is an industrial gases company whose Rotoflow business develops cryogenic and warm-gas centrifugal turbomachinery, aftermarket services, and engineered solutions for industrial gas, hydrocarbon, LNG, and petrochemical applications.

What you will do

• Design and optimize aerodynamic flowpaths for impellers, vanes, centrifugal compressors, turboexpanders, and related rotating equipment.
• Perform preliminary aerodynamic sizing and performance calculations during proposals and refine analyses through final equipment definition.
• Apply CFD, 1D, 2D, quasi-3D, and 3D aerodynamic analysis methods and performance mapping techniques.
• Develop and improve aerodynamic engineering tools, sizing methods, prediction models, and workflows.
• Collaborate with aerodynamic, simulation, product, proposals, process, manufacturing, and external software engineering teams.
• Support testing, commissioning, startup, troubleshooting, aftermarket activities, and root cause analysis throughout the equipment lifecycle.

Requirements

• BS in Mechanical Engineering or a related engineering discipline.
• 5+ years of turbomachinery or rotating machinery aerodynamic design experience.
• Experience designing turbomachinery flowpath components, impellers, vanes, compressors, turboexpanders, or related rotating equipment.
• Experience with CFD-based aerodynamic analysis tools and 1D, 2D, or 3D aerodynamic methods.
• Experience with turbomachinery testing, data acquisition, performance evaluation, or matching test results to analytical models.
• Strong knowledge of fluid dynamics, thermodynamics, compressible flow, turbomachinery performance prediction, and flowpath optimization.

Nice to have

• Advanced degree in Fluid Dynamics, Thermodynamics, Aerodynamics, Turbomachinery, or a related discipline.
• Experience with aerodynamic performance mapping, equipment selection, and performance prediction methodologies.
• Experience with ANSYS, Concepts NREC AxCent, or similar turbomachinery analysis tools.
• Programming experience with Python, MATLAB, C++, C#, VB, Fortran, or a similar technical language.

Culture & Benefits

• Inclusive, collaborative environment focused on safety, diversity, continuous learning, and engineering excellence.
• Medical, dental, and vision insurance available from the first day of employment.
• 401(k) plan with immediate vesting of company match and core contributions.
• Paid vacation, holidays, sick time, parental leave, and adoption assistance.
• Flexible Spending Accounts, Health Savings Account, and life insurance.