Demo

Senior Process Engineer

KATZEN International, Inc.
Cincinnati, OH Full Time
POSTED ON 6/13/2026
AVAILABLE BEFORE 12/8/2026

Are you interested in joining a passionate engineering team driving sustainability in biofuel plant development and design?


Our Engineering team is growing! We are seeking highly motivated talent with experience in project related mechanical engineering. This is a key role at KATZEN that will align you with experienced project and process engineers. You will have the opportunity to see your process designs from concept development through start-up.


KATZEN has earned the reputation as a worldwide leader in process technology, plant design and consulting engineering services for the bioethanol, and biochemical industries. As a worldwide leader in the biofuel industry, we have developed many technologies that are the industry standard today.


Our purpose is to execute our clients’ dreams with proven know-how and personal attention to detail. Our world class designs begin with a vision, we collaborate with our clients using innovative process technology, ultimately bringing projects to life.


If you…


  • Want to play a key role in an innovative company that values individual contributors
  • Are self-motivated to exceptionally detail oriented work
  • Passionate about delivering front end development through process start-ups
  • Enjoy providing technical expertise, design optimization, work process improvements
  • Enjoy high levels of collaboration with teammates, vendors and clients
  • Accomplished in project process design with a proven track record for execution


…then you are the person we’re looking for! We are diversifying in new areas of the biochemical process industry. With our current growth plan, you will have the opportunity to demonstrate your engineering knowledge to develop new industry standards.


Job Duties / Responsibilities


  • Must have strong ownership, attention to detail and collaboration skills
  • Develop simulation cases to convert to process flow diagrams and P&ID’s
  • Continuously work to improve in-house programs for equipment sizing calculations, work processes, and process development packages
  • Develop equipment specifications, data sheets, conceptual vendor fabrication drawings
  • Assist in 3D model reviews and initial equipment layout design
  • Perform hydraulic calculations for pump sizing, specification, line sizing and control valve sizing
  • Specify instrumentation for full project design and associated control strategies
  • Design heat exchangers from concept to fabrication drawings (shell & tube, plate and frame and falling film evaporators)
  • Design knowledge of distillation columns and strippers from concept through fabrication
  • Process Safety – Familiarity of relief valve sizing, cases and equipment pressure ratings
  • Provide technical support for commissioning and start-ups
  • Future interest in customer interfacing role such as Project Management or client technical services



Minimum Qualifications


  • Education: Bachelor of Science in Chemical Engineering, Mechanical Engineering or equivalent. Other degrees will be considered pending prior experience.
  • Experience: Ideal candidate will have 10 years of experience in project process design
  • Technical Skills:
  • High level of competency in process simulation software through PFD’s to P&ID development
  • Experiencing performing heat and material balances for greenfield facilities, rating existing processes for brownfield projects
  • Mastery of hydraulic and equipment sizing calculations (pumps, heat exchangers, distillation columns, drums / tanks, control valves, & instruments)
  • Knowledge of industry standards and best practices for process design (API, GPSA, ASME, ASTM, OSHA & NFPA)
  • Understanding of control narratives and associated advanced control strategies
  • Previous experience working on agriculturally based bio-chemical processes (corn to ethanol, soybean refining, biodiesel, SAF, biogas). Chemical or Oil & Gas experience will be considered.
  • Applicable Software Skillset:
  • Process Simulation – CHEMCAD, Aspen, HYSYS, PRO /II or KBC Products
  • Heat Exchanger Sizing Software – HTRI or equivalent
  • Pump sizing software – Goulds / Sulzer Select or equivalent
  • Fisher Spec Manager for Sizing Control Valves
  • Emerson Online for Instrumentation Sizing or equivalent
  • Fluency in Microsoft Excel and understanding of VBA
  • Bluebeam for initial drawing creation and redlines
  • Smart P&ID’s – awareness and use would be a plus!
  • AutoCAD for P&ID markups or equivalent
  • Navisworks or equivalent for 3D model reviews
  • Emerson Online for Instrumentation Sizing or equivalent
  • Licensure: PE license is preferred, but not required

Salary.com Estimation for Senior Process Engineer in Cincinnati, OH
$91,608 to $106,297
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