Commissioning Engineer

Nikkiso Clean Energy & Industrial Gases is a leading provider of cryogenic pumps, heat exchangers, process systems, services, and solutions for the LNG and industrial gases industry with $350 M USD in annual revenue. We are a subsidiary of Nikkiso Company Ltd, a leading industrial manufacturer headquartered in Tokyo, Japan, with over $1.5 B USD in annual revenue, 8000 + employees worldwide, and publicly traded on the Tokyo Stock Exchange.

Nikkiso Clean Energy & Industrial Gases (CE&IG) Korea is a subsidiary of Nikkiso Clean Energy & Industrial Gases Group (Group) and is incorporated in South Korea. We are seeking an experienced Commissioning Engineer to join our growing Nikkiso CE&IG Korea team.

The Commissioning Engineer is responsible for planning, executing, and supporting system commissioning, testing, and start-up activities to ensure systems operate in accordance with design specifications, safety standards, and customer requirements.

This role spans from execution to coordination and technical ownership, ensuring system performance, troubleshooting, and operational readiness across marine systems.

Commissioning Planning & System Preparation

• Review engineering documents and define commissioning scope and approach
• Develop commissioning procedures, checklists, and test plans
• Coordinate system readiness with engineering, production, and project teams

System Testing, Start-up & Validation

• Execute pre-commissioning, commissioning, and start-up activities
• Perform functional, performance, and safety testing
• Validate system operation against design intent and specifications

Field Execution, Troubleshooting & Optimization

• Identify, analyze, and resolve system and operational issues
• Conduct root cause analysis and implement corrective actions
• Support system stabilization and performance optimization

Engineering Integration & Stakeholder Coordination

• Coordinate with mechanical, electrical, and instrumentation engineers
• Interface with shipyards, customers, vendors, and subcontractors
• Ensure alignment between design, installation, and commissioning

Documentation, Reporting & Handover

• Prepare commissioning reports, test records, and punch lists
• Maintain documentation of system performance and deviations
• Support system handover and final documentation

Safety, Compliance & Continuous Improvement

• Ensure compliance with safety standards and procedures
• Support risk assessment and hazard identification activities
• Identify improvement opportunities and support process standardization

• Bachelor’s degree in Mechanical, Electrical, Marine, or related Engineering field
• Experience in commissioning, field engineering, or system start-up
• Strong understanding of industrial, marine, or cryogenic systems and system interactions
• Ability to perform engineering calculations and analyze system conditions (flow, pressure, temperature, etc.)
• Ability to read and interpret P&ID, drawings, and detailed technical specifications
• Experience in full system commissioning, testing, validation, and start-up activities
• Advanced troubleshooting and root cause analysis capability
• Ability to analyze system performance and identify optimization opportunities
• Experience preparing, reviewing, and validating commissioning documentation and technical reports
• Ability to support and participate in technical decision-making during commissioning activities
• Knowledge of safety standards, engineering practices, and risk assessment methodologies
• Experience working in multidisciplinary project environments
• Strong analytical and problem-solving skills
• Ability to manage multiple tasks, priorities, and technical coordination in field environments
• Willingness to travel and work on-site (domestic and international)
• Proficiency in MS Office and engineering tools
• Effective communication skills in English