Senior Commissioning Engineer (Water & Wastewater) Mandarin Speaker

Gradiant

Malaysia, Selangor

5-7 Years

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Posted 5 days ago
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Job Description

Senior Commissioning Engineer (Water & Wastewater)

About Gradiant

Gradiant is a Different Kind of Water Company. With a full suite of differentiated and proprietary end-to-end solutions for advanced water and wastewater treatment, Gradiant serves mission-critical operations across the semiconductor, pharmaceutical, food & beverage, lithium & critical minerals, renewable energy, and other essential industries worldwide.

Headquartered in Boston and founded at MIT, Gradiant has over 1,400 employees globally and continues to deliver innovative technologies that reduce water consumption, recover valuable resources, and transform wastewater into freshwater.

Why Join Gradiant

Join a global engineering team delivering cutting-edge water and wastewater treatment projects across Asia and beyond.

This role offers you the opportunity to:

Work on advanced industrial water and wastewater treatment technologies.
Lead commissioning and startup activities for large-scale international projects.
Travel and support project deployments across Gradiant's global operations, including Taiwan, Hong Kong, Greater China, and other APAC countries, depending on business and project requirements.
Collaborate with international engineering teams and global clients.
Gain exposure to industries including Semiconductors, Pharmaceuticals, Food & Beverage, Lithium, Critical Minerals, and Renewable Energy.
Build an international commissioning career with one of the world's leading advanced water technology companies.

Role Overview

The Senior Commissioning Engineer (Water & Wastewater) is responsible for leading and executing commissioning activities throughout the complete project lifecycle for industrial and municipal water and wastewater treatment systems. The role covers pre-commissioning, wet commissioning, process commissioning, startup, performance testing, troubleshooting, client handover, and post-commissioning support to ensure projects are delivered safely, efficiently, and in accordance with project requirements.

Projects may include:

Industrial Effluent Treatment Plants (IETS / ETP)
Sewage Treatment Plants (STP)
Water Treatment Plants (WTP)
Reverse Osmosis (RO)
Ultrafiltration (UF)
Desalination Systems
Utility Water Systems
Other advanced water and wastewater treatment technologies

This is primarily a site-based project role and requires both domestic and international travel to support commissioning activities across Gradiant project sites.

Key Responsibilities

Commissioning & Startup

Lead and execute commissioning activities for industrial and municipal water and wastewater treatment projects.
Plan and coordinate all commissioning phases, including:
Pre-Commissioning
Wet Commissioning
Process Commissioning
Startup
Performance Testing
Client Handover
Post-Commissioning Support
Perform equipment testing, troubleshooting, process optimization, and operational readiness verification.
Support Site Acceptance Tests (SAT), Performance Tests, and client acceptance activities.
Manage commissioning punch lists and ensure timely closure.
Provide technical support during plant startup and stabilization.

Engineering & Documentation

Review engineering documents including:
P&IDs
PFDs
Design Basis
Mass Balance
Control Philosophy
Cause & Effect Matrix
Technical Specifications
Prepare and review:
Commissioning Plans
Commissioning Procedures
Checklists
SOPs
O&M Manuals
Performance Test Procedures
Commissioning Reports
Prepare daily, weekly, and monthly commissioning progress reports.

Technical Support & Troubleshooting

Troubleshoot process, mechanical, piping, instrumentation, electrical, and control system issues during commissioning and startup.
Analyse plant operating data and recommend corrective actions to optimize plant performance.
Work closely with Mechanical, Electrical, Instrumentation, Controls, and Process Engineering teams to resolve technical issues.
Identify equipment, installation, and operational issues and recommend practical engineering solutions.

Project Support

Coordinate with Project, Engineering, Procurement, Construction, Vendors, and Operations teams throughout project execution.
Participate in technical discussions, inspections, client meetings, and project handover sessions.
Ensure commissioning activities are executed safely and according to project schedules.
Support project close-out documentation and final handover activities.

Requirements

Bachelor's Degree in Chemical Engineering, Mechanical Engineering, Environmental Engineering, Biochemical Engineering, or related engineering disciplines.
Minimum 5 years of experience in commissioning, startup, operations, maintenance, or project execution within water & wastewater, utilities, petrochemical, oil & gas, power generation, or other process industries.
Hands-on experience in commissioning, startup, troubleshooting, or operation of water-related process systems is preferred.
Experience with industrial or municipal water and wastewater treatment systems will be an advantage.
Familiarity with commissioning activities including system testing, startup, troubleshooting, performance testing, plant handover, and process optimisation.
Ability to interpret engineering documents including P&IDs, PFDs, Control Philosophy, Cause & Effect Matrix, and technical specifications.
Strong troubleshooting, analytical, communication, and problem-solving skills.
Experience working with multidisciplinary Mechanical, Electrical, Instrumentation & Control (ME&I) teams.
Proficient in Mandarin (spoken and written) to effectively communicate with Mandarin-speaking clients, contractors, vendors, and site personnel, as well as support project deployments across Greater China and Taiwan.
Willingness to travel extensively, both locally and internationally, based on project requirements.