Sr Principal Mechanical Engineer (Turbomachinery)

Location: Hybrid schedule with four days in-office at the Bethlehem, Pennsylvania, or Houston, Texas site; minimal travel under 10% for onsite customer support.

Company

hirify.global is an industrial gases company, and Rotoflow is its turbomachinery OEM business serving industrial gases, petrochemical, and hydrocarbon customers worldwide.

What you will do

• Perform turbomachinery design analyses, including FEA for stress, deflection, and modal behavior, hand calculations, and rotordynamics.
• Execute mechanical design work for awarded projects, product-development initiatives, aftermarket activities, and engineering evaluations.
• Develop standardized product deliverables and engineering tools in collaboration with product owners and business improvement stakeholders.
• Select components and materials, finalize equipment designs, review safety and operability, and approve manufacturing drawings.
• Collaborate with customers and vendors on equipment design, process integration, technical solutions, and cost-reduction opportunities.
• Support root cause analyses, field commissioning, startup activities, bid estimates, and equipment reliability initiatives.

Requirements

• 10–15 years of experience designing turbomachinery or rotating machinery.
• Deep knowledge of FEA, rotordynamics, bearing and seal technologies, and design for manufacturability.
• Bachelor’s degree in Mechanical Engineering or a related technical field.
• Strong analytical, problem-solving, decision-making, communication, organizational, and collaboration skills.
• Ability to motivate teams, build trust, and maintain a customer-focused approach.

Nice to have

• Advanced FEA or rotordynamic analysis experience.
• Experience with fluid film, gas, magnetic, hydrostatic, or rolling-element bearings and gas or labyrinth seals.
• Turbine testing, data acquisition, equipment startup, plant integration, 2D CAD, 3D modeling, or simulation experience.
• Programming experience with VB, C#, C++, Python, Matlab, Fortran, or similar languages.
• Advanced degree focused on turbomachinery, rotordynamics, bearings, seals, manufacturability, or manufacturing processes.

Culture & Benefits

• Safety-focused, inclusive workplace where diverse perspectives are valued.
• Medical, dental, and vision insurance available from day one.
• 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, life insurance, and Employee Assistance Program.