At Air Products our purpose is to bring people together to reimagine whats possible collaborate and innovate solutions to the worlds most significant energy and environmental sustainability challenges. Grow with us as we embark on building tomorrow together by being the safest most diverse and most profitable industrial gas company in the world.

Reimagine Whats Possible

Are you looking for a dynamic growth-oriented career working with extraordinary people with a mission to provide world-class products and customer service Rotoflow An Air Products Business may be the place for you! We are looking for a Product Application Engineer to support our turbomachinery manufacturing at our Rotoflow HQ in Bethlehem PA.

In this role you will serve as a key technical interface between customers sales proposal management and internal engineering teams and translate customer requirements into technically sound competitive and commercially viable engineered solutions. You will also support the full pre-sale and proposal lifecycle by providing technical expertise developing accurate scopes of supply assessing system performance and supporting technical negotiations.

Close collaboration with cross-functional engineering teams (mechanical aerodynamic systems R&D and manufacturing) is essential to ensure proposed solutions align with product capabilities quality standards and business objectives. Regular customer interaction and travel are required to support meetings presentations and technical discussions.

Rotoflow is a full-service turbomachinery OEM - providing a wide-range of new equipment solutions and aftermarket services to our customers globally. For over 75 years Rotoflow has designed and manufactured both standard and custom-engineered cryogenic and warm gas centrifugal turbomachinery used in market segments such as industrial gases petrochemicals and hydrocarbons. Products include compressor loaded turbo-expanders generator-loaded power recovery expanders and low-cost dissipative expanders. We offer new equipment designs rerates upgrades and repair along with field services engineering evaluations reliability troubleshooting training remote diagnostics/data monitoring shop services and new equipment replacements for all types of centrifugal and reciprocating equipment. Our customers are served globally through regional service centers supported by both regional and centralized execution teams.

To learn more about Rotoflow visit

Key Responsibilities

Technical Sales & Customer Support

• Serve as a technical advisor to Sales and Commercial teams during pre-sale activities.
• Participate in customer meetings technical reviews and negotiations to clarify specifications and address technical questions.
• Deliver technical presentations and product training to customers and internal sales teams.
• Support customer installation commissioning and troubleshooting activities as required.

Proposal Development & Scope Definition

• Develop accurate compelling technical proposals in support of commercial bids.
• Perform preliminary sizing feasibility studies and system evaluations during RFQ and bid phases.
• Review customer specifications and prepare engineering clarifications identifying deviations risks and optimization opportunities.
• Define scope of supply equipment configuration options and budget inputs in collaboration with proposal and engineering teams.
• Assess system performance equipment suitability and economic considerations throughout the bid process.

Cross-Functional Collaboration

• Act as the primary technical liaison between customer-facing teams and internal engineering disciplines.
• Coordinate with mechanical aerodynamic systems R&D and manufacturing teams to validate proposed solutions.
• Lead or participate in internal technical review sessions to ensure alignment with product standards and internal capabilities.
• Support the handover of awarded technical contracts to execution and project teams.

Product Knowledge & Documentation

• Maintain a strong working knowledge of rotating equipment and related systems.
• Apply applicable industry standards internal product guidelines and quality policies.
• Maintain technical documentation drawings datasheets and proposal-related materials.
• Contribute to product and solution improvements through feedback from customer and field experience.

Whats 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 starting day 1 of employment
• 401k plan with company contributions that vest on day 1
• Paid Vacation holidays sick time
• Paid Parental leave (Up to 8 weeks)
• Adoption assistance
• Flexible Spending Accounts (medical dependent daycare)
• Health Savings Account
• Life Insurance (AD&D) Supplemental AD&D
• EAP (Employee Assistance Program)

Required Skills and Abilities

• Strong analytical and problem-solving skills.
• Excellent written and verbal communication skills.
• Ability to manage multiple priorities and work independently.
• Experience with turbomachinery or engineered rotating equipment/centrifugal systems.
• Experience with technical solution development such as machinery and component selection revamps upgrades.
• Experience interfacing with Engineering Procurement and Construction (EPC) firms and ability to review detailed specifications and compile offerings including datasheets scope summaries and deviation lists.

Differentiating Experience

• Familiarity with proposal development and technical negotiations.
• Knowledge of applicable industry standards (e.g. API ASME).
• Proficiency with CAD or engineering analysis tools.
• Background in machine repair and refurbishments.
• Knowledge of packaged accessory systems (lubrication and seal gas).
• Rotordynamic torsional and lateral analysis experience.
• Fluid magnetic and gas bearing design or analysis experience.
• Centrifugal compressor and expander aerodynamic stage design.
• Knowledge of design for manufacturing and mechanical troubleshooting.

Minimum Education and Hiring Requirements:

• Bachelors degree in Mechanical Engineering or a related engineering discipline.
• 10 years of experience in application engineering product design process engineering or technical sales support.
• Min 5 years experience supporting turbomachinery or rotating equipment.
• Professional proficiency in the English language.

Working Conditions

• Work location: Rotoflow HQ manufacturing facility and testing lab in Bethlehem PA.
• Typical travel will be 10% up to 25% on rare occasion including domestic and occasional international travel to support customer meetings site visits and technical presentations.
• Hybrid work schedules are available.

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Air Products proudly values the skills dedication and leadership that veterans bring to the table. As a veteran-friendly organization we actively encourage and welcome veterans to apply for various roles within our company. We recognize the unique strengths and experiences that veterans contribute and we foster a workplace that honors your service while providing a platform for professional growth.

We are the worlds largest hydrogen producer with over 80 years of industrial gas experience. We are hydrogen and industrial gas experts delivering safe end-to-end solutions investing in real clean energy projects at scale and driving the industry forward to generate a cleaner future.

At Air Products we work in an environment where we put safety first diversity is essential inclusion is our culture and each person knows they belong and matter. To learn more visitAbout Air Products.

We offer a comprehensive benefits package including paid holidays and vacation affordable medical dental life insurance and retirement plans. You will be eligible for benefits and also be 100% vested in your retirement benefits on your first day of employment.

We are an Equal Opportunity Employer (U.S.).You will receive consideration for employment without regard to race color religion national origin age citizenship gender marital status pregnancy sexual orientation gender identity and expression disability or veteran status.

Air Products is committed to working with and providing a reasonable accommodation to individuals with disabilities. If you have a disability and you believe you need a reasonable accommodation to search for a job opening or to submit an online application please e-mail us at General application status inquiries are not answered by this mailbox rather youll receive an e-mail directly from our Career Center and/or the Talent Acquisition Specialist.