Sr Principal Mechanical Engineer

At Air Products, we reimagine what’s possible. By tapping into the motivation of our people and our collective experience, we create the ideas and innovations that drive us forward. When we come together – where every voice is heard and everyone knows they belong and matter – we create solutions that launch people into space, support lifesaving care in hospitals, and enable the construction of groundbreaking, world scale production facilities.

Reimagine What’s Possible Do you have a passion for solving complex engineering challenges and developing world-class turbo machinery solutions? Air Products is seeking a Sr Principal Mechanical Engineer to join our Rotoflow team in Bethlehem, PA or Houston, TX. In this role, you will apply your expertise in turbo machinery design, analysis, and project execution to support proprietary high-speed rotating equipment and machinery support systems used by customers around the world.

If you thrive in a safety-focused environment and enjoy tackling challenging engineering problems, we invite you to grow with us as we build a more sustainable future.

Rotoflow, an Air Products business, is a leading turbo machinery OEM providing new equipment, aftermarket services, and engineered solutions to customers worldwide. For more than 75 years, Rotoflow has specialized in the design and manufacture of standard and custom-engineered cryogenic and warm gas centrifugal turbo machinery serving industries including industrial gases, petrochemicals, and hydrocarbons. Our products include compressor-loaded turbo-expanders, generator-loaded power recovery expanders, and low-cost dissipative expanders.

In addition to new equipment, we provide upgrades, repairs, field services, engineering evaluations, reliability and troubleshooting support, training, remote diagnostics and monitoring, shop services, and replacement equipment for a wide variety of centrifugal and reciprocating machinery. Customers are supported globally through regional service centers backed by both regional and centralized execution teams. To learn more, visit

Job Responsibilities:

Perform various turbo machinery design analyses including FEA (stress, deflection, and modal), hand calculations, and rotor dynamics,Development of standardized product deliverables collaborating with Product Owners,Executing mechanical design tasks related to awarded projects and product development initiatives, support of aftermarket activities and engineering tasks,Communicate with vendors on technical solutions,Support root cause analyses (RCA) of equipment and field commissioning and startup activities executed by the Aftermarket Team,Drive engineering and material cost reductions and competitiveness across project and product offerings collaborating with stakeholders,Collaboration with customers to ensure proper design and integration of equipment into the process,Select components and materials for turbo machinery and systems,Perform safety and operability reviews,Collaborate with various subject areas to finalize equipment designs,Checking and approving manufacturing drawings,Support of bid estimate development,Collaborate with the Business Improvement Team to develop new and standardized design engineering tools and work processes for streamlining projects and product development,Challenge norms with alternate solutions rooted in engineering fundamentals,Promote safety and diversity consistent with the philosophies of Rotoflow What's In It for You:

At Air Products we foster a culture of inclusion where every voice is heard, and everyone feels they belong and matter. Additionally, we offer competitive pay and great benefits for our employees. Check out some of our benefits below!

Affordable medical, dental, and vision insurance available day one of employment
401(k) retirement savings plan with immediate vesting of company match and core contributions

Paid vacation, holidays, and sick time

Paid parental leave

Adoption assistance

Flexible Spending Accounts (medical, dependent daycare)
Health Savings Account Life Insurance (AD&D), Supplemental AD&DEmployee Assistance Program (EAP)
Required Skills / Abilities
10–15 years turbo machinery or…