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Air Liquide

Industrial and medical gas provider

Engineering & Maintenance Engineer

Mechanical Maintenance and Reliability EngineeringConfirmed live in the last 24 hours
Full-timeTsukuba, Ibaraki, JapanNo salary listedIn-person

About the Job

Requirements

  • 2–4 years of hands-on experience in equipment maintenance, utility operations, or project engineering in the chemical, semiconductor, high-pressure gas, or heavy manufacturing industry.
  • Experience executing routine maintenance and diagnostic troubleshooting of rotating machinery, pumps, valves, and gas/liquid distribution systems.
  • Practical understanding of process safety management concepts, lockout-tagout systems, and risk assessment.

Responsibilities

  • Execute preventive maintenance schedules, routine inspections, and servicing of utility and process equipment.
  • Troubleshoot, diagnose, and repair equipment during system failures to minimize plant downtime.
  • Monitor equipment performance data and utility parameters, and maintain accurate maintenance logs and records.
  • Manage inventory and availability of essential spare parts, tooling, and consumables for key utility assets.
  • Assist the E&M Supervisor and Project Engineers with on-site installation, piping, electrical hookup, and commissioning of new equipment.
  • Participate in design reviews and process hazard analyses, including HAZOP and LOPA, by providing practical engineering feedback.
  • Draft and execute on-site physical modifications under the Management of Change process, ensuring compliance with Pre-Startup Safety Review requirements.
  • Support updates to technical documentation, including P&IDs, electrical schematics, and equipment manuals.
  • Execute lockout-tagout protocols, work permit verifications, and safety checklists before and during maintenance activities.
  • Coordinate and supervise on-site contractors to ensure adherence to site safety rules, PPE use, and work hazard analyses.
  • Conduct daily safety walks of utility areas and report hazards, near misses, or unsafe conditions to the Supervisor.
  • Ensure proper handling, storage, and disposal of hazardous chemicals, waste, and maintenance-related materials.
  • Draft, review, and suggest updates to standard operating procedures and maintenance work instructions to reflect current practices and improve efficiency.
  • Identify opportunities for energy savings, utility cost reduction, and equipment reliability improvements.
  • Assist with root cause analysis for utility failures and implement corrective and preventive actions.
  • Provide peer-to-peer technical guidance and share utility system knowledge with junior technicians.
  • Acquire required national technical certifications and maintain training records in line with statutory requirements.
  • Participate in skills development programs and emergency response drills.

Desired Qualifications

  • Experience supervising third-party contractors and coordinating on-site work permits.
  • High-Pressure Gas Safety Certification or Hazardous Materials License (Class B, Group 4 / 乙種4類).

About the Company

Air Liquide

Industrial and medical gas provider

Air Liquide produces and supplies industrial and medical gases, such as oxygen, nitrogen, hydrogen, argon, and specialty gases, to manufacturers, healthcare providers, electronics, and energy companies. It operates through production plants, pipelines, cylinder networks, and on-site supply units, and it also designs and builds gas production and separation systems, including cryogenic air separation plants and large electrolyzers, via its engineering arm. Its Gas & Services business serves industry and healthcare and it is a major producer of hydrogen, investing in low-carbon hydrogen projects and electrolysis as part of industrial decarbonization. It serves the semiconductor industry and space programs as well. Its goal is to enable industrial decarbonization and the energy transition by providing reliable gases and engineering capabilities for large-scale gas production, hydrogen supply, and on-site services.

Company size
10,001+
Company stage
IPO
Headquarters
Paris, France
Founded
1902

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