Senior Process Engineer (Energy Infrastructure)

Company: Nikkiso Cryogenic Industries


Location: Houston, TX 77043

Job Description:

Nikkiso Clean Energy & Industrial Gases (CE&IG) is a leading provider of cryogenic pumps, heat exchangers, process systems, turboexpanders, services, and solutions for the LH2, LNG and industrial gases industries. We are a subsidiary of Nikkiso Company Ltd, a leading industrial manufacturer headquartered in Tokyo, Japan, with over USD 1.2B in annual revenue, 8,000 + employees worldwide, and publicly traded on the Tokyo Stock Exchange.

Nikkiso Energy Infrastructure & Strategic Projects (NESP) is a functional unit of Nikkiso CE&IG that develops and executes turnkey EPC projects (> US$10 MM) globally.

NESP is seeking an experienced professional broadly versed in all areas of process design and engineering associated with industrial and energy infrastructure projects. Our products and solutions include:

  • Hydrogen & Natural Gas Liquefiers
  • Merchant Air Separation Plants & Liquefiers
  • On-site Gas Generation Plants
  • Balance of Plants for the above

This position reports to the VP of Hydrogen Strategy and Energy Infrastructure. Candidate must be highly motivated to manage activities and tasks across multiple global projects from concept through start-up with a cross-functional team. The role location can be based in Houston, TX or Irvine, CA. Remote flexibility is available, but the job holder is expected to support projects across multiple global sites.

Essential Duties and Accountabilities:

The job holder will be the Process Design Lead and representative for process engineering during all stages of design and execution. The job holder will play an active role during various stages of a project life cycle: FEED, Detailed Design, Fabrication, Field Construction, Commissioning, and Start-Up Activities. Responsibilities will include managing the following activities to develop and execute full turnkey capital project solutions. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Process & Safety Engineering:

  • Provide overall process engineering expertise
  • Lead the Front End Engineering Design (FEED) studies
  • Develop process designs including PFDs, P&IDs, and Heat & Mass Balance
  • Prepare design basis, process description/equipment/specification sheets
  • Design and specific equipment, instrumentation, and safety systems
  • Evaluate technical proposals from vendors/suppliers and provide recommendations
  • Identify and manage process controls strategy and implementation
  • Conduct design reviews and implement design improvements
  • Prepare & participate in HAZOP reviews and conduct other safety evaluations
  • Maintain the quality and integrity of the process design
  • Support plant commissioning, including on-site performance tests and troubleshooting
  • Complete root cause failure analysis (RCFA) and lead investigations

Engineering Integration:

  • Interface with multi-engineering disciplines (civil, structural, electrical, control) to provide:
  • Piping Isometric Drawing
  • Single Line Diagram
  • Plot Plan & Equipment Arrangement Diagram
  • Utility Requirements & Process Interfaces
  • Block I/O Diagram and Functional Logic Tables
  • Other technical documentation, including but not limited to the start-up procedures, test plans, operation manuals and training materials
  • Coordinate functional issues involving plant reliability, operability, and maintenance
  • Participate in the Control System designing and staging (SAT, Software Acceptance Test) and field validation.
  • Participate in Constructability Reviews, Pre-Startup Safety Reviews (PSSR), and Operational Readiness Inspections (ORI)
  • Assist with assuring compliance with the local Safety Regulatory Code

Project Development:

  • Develop cost estimates to support project bidding (AACE Class 3 or better)
  • Perform economic analysis to optimize the total installed costs
  • Identify and mitigate technical, execution, and operation risks
  • Define the scope of work and split of responsibilities
  • Support proposal writing and other technical documents
  • Provide technical liaison support to customers and/or EPC contractors.
  • Contribute to Lessons Learned Reports


  • BS in Chemical or Mechanical Engineering with 5+ years of relevant experience in the gas and process industry.
  • Advanced level in process simulation software (e.g., Aspen HYSYS , ChemCAD)
  • Substantial experience with cryogenic pumps, heat exchangers, turbomachinery, air separation process systems, gas process plants, liquefaction plants, tank farms, and bulk distribution facilities
  • Cryogenic experience is highly desired.
  • The applicant should possess the aptitude to acquire a balanced multi-discipline understanding of Process Engineering, Process Systems, and Process Safety disciplines.
  • The applicant must communicate effectively and seek out technical expertise as required.
  • Possess strong analytical and organizational skills
  • Able to influence and interact effectively with cross-functional team members.
  • Able to juggle several concurrent projects.

Other Duties
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Work Environment
This job operates in both heavy industrial manufacturing and professional office environments. This job will require travel to other offices or CE&IG facilities. This role routinely uses standard office equipment such as laptop computers, photocopiers, and smartphones.

Physical Demands
While performing the duties of this job, the employee is regularly required to talk or hear. Specific vision abilities required by this job include close vision and ability to adjust focus. This would require the ability to lift files, open filing cabinets and bend or stand on a stool as necessary.

Equal Opportunity Employer/Veterans/Disabled
Nikkiso is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.


Job Type: Full-time

Company Description:

About the author

Zero Hero

Get freshly curated green jobs in solar, wind energy, and zero-carbon technology delivered to your inbox!

Zero Hero

Great! You’ve successfully signed up.

Welcome back! You've successfully signed in.

You've successfully subscribed to Zero Hero.

Success! Check your email for magic link to sign-in.

Success! Your billing info has been updated.

Your billing was not updated.