Offshore Water Treatment Process & Mechanical Engineer

HITACHI AQUA-TECH ENGINEERING PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

HITACHI AQUA-TECH ENGINEERING PTE. LTD. is seeking an experienced engineer for process and mechanical design of seawater treatment systems, including RO, UF and SRU for offshore platforms, FPSOs, and onshore facilities.

You will develop PFDs, P&IDs, mass/heat balances and hydraulic calculations, and prepare datasheets and MTOs in compliance with API, ASME, NORSOK and ISO standards. Travel to client sites and coordination with multiple teams is expected.

Qualifications

• Tertiary degree in engineering, process, chemical, mechanical or environmental fields is preferred.
• Extensive knowledge of water treatment processes and offshore oil & gas operations.
• Experience in RO, UF, SRU and related package design for onshore and offshore facilities.
• Ability to develop data sheets, datasheets and MTOs per API, ASME, NORSOK and ISO.
• Willing to travel and coordinate with multi-disciplinary teams.

Responsibilities

• Design RO, UF and SRU packages for onshore, platform and offshore FPSO facilities.
• Develop PFDs, P&IDs, mass and heat balances and hydraulic calculations.
• Prepare process datasheets for equipment and instruments.
• Prepare process philosophies for control, startup/shutdown, and operations/maintenance.
• Size membranes, skids, pumps, vessels and piping for offshore facilities with weight/space constraints.
• Select materials for corrosive seawater service and chemical compatibility.
• Review vendor documents to ensure alignment with project requirements.
• Prepare technical specifications, datasheets and MTOs per client/EPC standards.
• Coordinate with piping, structural, E&I and layout teams for skid/module integration.
• Contribute to weight/space optimization studies and client contract scope clarification.

Skills

Process design

Mechanical design

Seawater treatment

Offshore FPSO experience

Travel flexibility

Education

Bachelor's degree in Engineering

Tools

PFDs & P&IDs

Hydraulic calculations

Mass/heat balances

Job description

HITACHI AQUA-TECH ENGINEERING PTE. LTD. is seeking an experienced engineer for process and mechanical design of seawater treatment systems, including RO, UF and SRU for offshore platforms, FPSOs, and onshore facilities.

You will develop PFDs, P&IDs, mass/heat balances and hydraulic calculations, and prepare datasheets and MTOs in compliance with API, ASME, NORSOK and ISO standards. Travel to client sites and coordination with multiple teams is expected.