Process Engineer III

Nikkiso Clean Energy & Industrial Gases is a leading provider of cryogenic pumps, heat exchangers, process systems, turboexpanders, services, and solutions for the liquefied natural gas (LNG), liquefied hydrogen (LH2), and industrial gases industries. Applications include fueling stations, marine engines, peak shaving, power generation, virtual pipelines, carbon capture, geothermal power and well stimulation. We are a subsidiary of Nikkiso Company Ltd, a leading industrial manufacturer headquartered in Tokyo, Japan, with $1.5 B USD in annual revenue, 8000 + employees worldwide, and publicly traded on the Tokyo Stock Exchange.

Summary/Objective

The Process Engineer – NESP will be responsible for the design, analysis, and optimization of strategic energy projects, including CO₂ recovery/liquefaction, Amine Wash, small-scale LNG, and energy recovery solutions. This role will support the NESP function unit (FU) by ensuring high-quality engineering deliverables, process efficiency, and compliance with PESO, ASME, API, NFPA, IEC, and ISO standards. The engineer will collaborate with cross-functional teams to develop innovative and cost-effective solutions for energy transition projects.

Essential Functions/Responsibilities

Process Design & Engineering.

• Develop process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), heat & material balances, and equipment sizing.
• Perform process simulations for H2 systems, CO₂ recovery, Amine Wash, LNG liquefaction, and energy recovery systems using tools like Aspen HYSYS, ProMax, or ChemCAD.
• Define and optimize operating conditions, process parameters, and control strategies.
• Conduct feasibility studies and provide technical support for conceptual, FEED, and detailed engineering phases.

Process Safety & Compliance

• Ensure all designs comply with PESO (Petroleum and Explosives Safety Organization), ASME, API, NFPA, IEC, and ISO standards.
• Conduct process hazard analyses (PHA), HAZOP, and risk assessments to ensure safe and reliable operations.
• Develop operating procedures, control philosophies, and safety guidelines for strategic energy projects.

Equipment & System Integration

• Perform equipment selection, sizing, and specification for heat exchangers, absorbers, compressors, pumps, and cryogenic systems.
• Support procurement activities by preparing technical datasheets and reviewing vendor proposals.
• Collaborate with mechanical, electrical, and instrumentation teams for seamless system integration.

Process Optimization & Troubleshooting

• Analyze process performance data and propose improvements for efficiency, energy consumption, and cost reduction.
• Provide technical expertise for commissioning, startup, and troubleshooting of process systems.
• Support plant modifications and operational improvements based on performance feedback.

Stakeholder Collaboration & Documentation

• Work closely with the function unit, project teams, and local engineering teams to align on project requirements and deliverables.
• Prepare and review technical reports, process descriptions, and engineering documentation.
• Assist in knowledge transfer and training for junior engineers and cross-functional teams.

Standardization and Compliance

• Ensuring technical decisions align with industry standards and company policies.
• Keeping up with regulatory requirements and certifications.

Documentation and Knowledge Sharing

• Maintaining up-to-date records of technical discussions, decisions, and changes.
• Ensuring knowledge transfer across teams to build technical competency.

Risk Management

• Identifying potential technical risks early in the project.
• Developing mitigation strategies to prevent delays and cost overruns.

Authorities

• Approve process designs, simulations, and key technical parameters to ensure efficiency and compliance.
• Validate PFDs, P&IDs, datasheets, and process control philosophies before submission.
• Align local engineering teams with function unit standards and participate in vendor evaluations.
• Drive improvements in process efficiency and support training for engineering teams.

Supervisory Responsibility

This position has direct supervisory responsibilities and does serve as a coach and mentor for other positions in the department/organization.

• Provide technical guidance and mentorship to the local engineering team.
• Support talent development initiatives to build subject matter expertise in strategic projects.
• Coordinate workload distribution and ensure efficient resource utilization.

Work Environment

This job operates in a professional office environment. 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.

Required Skills and Competencies

Technical Expertise:

• Strong understanding of H2 systems, CO₂ capture, liquefaction, Amine Wash processes, LNG liquefaction, and energy recovery systems.
• Hands-on experience with process simulation software (Aspen HYSYS, ProMax, ChemCAD, or equivalent).
• Knowledge of heat transfer, mass transfer, thermodynamics, and cryogenic processes.

Process Safety & Compliance:

• Familiarity with industry codes and standards (PESO, ASME, API, NFPA, ISO, IEC, etc.).
• Experience in conducting HAZOP, PHA, LOPA, and risk assessments.

Problem-Solving & Optimization:

• Strong analytical and troubleshooting skills to optimize process performance and efficiency.

Collaboration & Communication:

• Ability to work effectively with cross-functional teams, vendors, and global stakeholders.
• Strong technical writing and documentation skills.

Qualifications

Education: Bachelor’s or Master’s degree in Chemical or Process (or related field).

Experience: 7+ years of experience in process engineering for energy, gas processing, or chemical industries. Experience in Hydrogen systems, CO₂ recovery, Amine Wash, small-scale LNG, or energy recovery is preferred.

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.