106 Wastewater Treatment jobs in Malaysia

Gradiant is a global solutions provider for advanced water and wastewater treatment. We are a different kind of water company. With a full suite of differentiated and proprietary end-to-end solutions, powered by the top minds in water, the company serves its clients' mission-critical operations in the world's essential industries. Gradiant's innovative solutions reduce water used and wastewater discharged, reclaim valuable resources, and renew wastewater into freshwater. The Boston-headquartered company was founded at MIT and has over 1,000 employees worldwide. Singapore is our Regional Headquarters and home to our Global Innovation Center. Learn more at

About the Role

We are looking for a responsible and hardworking Plant Operator to operate, monitor, and maintain our Water & Wastewater Treatment Plant. This role is essential in ensuring smooth plant operations, meeting environmental compliance, and upholding safety standards.

Key Responsibilities

• Operate and monitor water and wastewater treatment systems according to SOP.
• Record daily operational data, chemical usage, and plant parameters.
• Perform chemical top-up, filter backwash, desludging, and general plant upkeep.
• Ensure compliance with DOE standards for final discharge and site safety procedures.
• Report any abnormalities, breakdowns, or modifications to the supervisor.
• Maintain good housekeeping and compliance with GMP requirements.
• Support maintenance activities and instrument calibrations.
• Work closely with team members during shift handovers.
• Attend trainings, meetings, and follow all HR policies and attendance requirements.

Requirements

• Minimum Secondary School education or equivalent.
• Male candidates, aged 18 and above.
• Able to work on rotating shifts (including nights, weekends, and public holidays).
• Self-motivated, disciplined, and able to work with minimal supervision.
• Good teamwork and communication skills.
• Own transport and a smartphone.
• Able to read and write in Bahasa Melayu and/or English.

Benefits

• Training provided.
• Shift allowance & overtime pay.
• EPF, SOCSO & EIS contributions.
• Career growth opportunities.

Gradiant is an equal opportunity employer. Qualified applicants will be considered without regard to race, color, religion, gender, age, marital status, disability, sexual orientation, gender identity, veteran status, or any other legally protected characteristics.

Responsibilities :

• To ensure wastewater treatment processes operating and perform as per operation need, safely and efficiently.
• Ensure compliance with Department Of Environment (DOE) requirements.
• To respond and conduct wastewater treatment plant process control and monitoring effectively and efficiently.
• To conduct chemical tank top up, filter-press operation and cleaning.
• To ensure the work is performed in accordance with the specification and approved procedures.
• To conduct periodic and routine inspection to treatment processes according to the system recommendation and checklist.
• To troubleshoot treatment processes failure promptly and report to the superior of any abnormalities.
• Keep records of water quality and other indicator.
• To conduct maintenance to all of the equipment according to schedule, take care of all equipment and tooling given.
• Other Ad-Hoc task might be given

Requirements :

• Working experience in the related field
• Experience in DOE standard
• Knowledge of maintenance for pumps, valves, blowers and related equipment is preferred
• Certified by DOE as competent person for CePIETSO (PCP), CePIETSO (BP)

Gradiant is a global solutions provider for advanced water and wastewater treatment. We are a different kind of water company. With a full suite of differentiated and proprietary end-to-end solutions, powered by the top minds in water, the company serves its clients' mission-critical operations in the world's essential industries. Gradiant's innovative solutions reduce water used and wastewater discharged, reclaim valuable resources, and renew wastewater into freshwater. The Boston-headquartered company was founded at MIT and has over 1,000 employees worldwide. Singapore is our Regional Headquarters and home to our Global Innovation Center. Learn more at

About the Role

We are looking for a responsible and hardworking Plant Operator to operate, monitor, and maintain our Water & Wastewater Treatment Plant. This role is essential in ensuring smooth plant operations, meeting environmental compliance, and upholding safety standards.

Key Responsibilities

• Operate and monitor water and wastewater treatment systems according to SOP.
• Record daily operational data, chemical usage, and plant parameters.
• Perform chemical top-up, filter backwash, desludging, and general plant upkeep.
• Ensure compliance with DOE standards for final discharge and site safety procedures.
• Report any abnormalities, breakdowns, or modifications to the supervisor.
• Maintain good housekeeping and compliance with GMP requirements.
• Support maintenance activities and instrument calibrations.
• Work closely with team members during shift handovers.
• Attend trainings, meetings, and follow all HR policies and attendance requirements.

Requirements

• Minimum Secondary School education or equivalent.
• Aged 18 and above.
• Able to work on rotating shifts (including nights, weekends, and public holidays).
• Self-motivated, disciplined, and able to work with minimal supervision.
• Good teamwork and communication skills.
• Own transport and a smartphone.
• Able to read and write in Bahasa Melayu and/or English.

Benefits

• Training provided.
• Shift allowance & overtime pay.
• EPF, SOCSO & EIS contributions.
• Career growth opportunities.

Gradiant is an equal opportunity employer. Qualified applicants will be considered without regard to race, color, religion, gender, age, marital status, disability, sexual orientation, gender identity, veteran status, or any other legally protected characteristics.

• To ensure the Water and Wastewater plant operation within the standard defined and all mechanical equipment in good running condition.
• Ensure all the parameters for plant operation is within the standard range
• Ensure the mechanical parts and equipment's in well maintain condition
• Monitor the IETS and Scrubber plants process and operation
• Carry out breakdown jobs related to mechanical scope
• Ensure the plant 5'S maintenance is in good condition
• Assist Group Leader/Supervisor in carrying out the Preventive Maintenance for mechanical scope.
• Carry out project works given by the plant Engineer.
• To troubleshooting machine, and carry out repair and modification if necessary.

Job Type: Full-time

Pay: RM2, RM3,800.00 per month

Benefits:

• Cell phone reimbursement
• Health insurance
• Professional development

Work Location: In person

About the role

As the Wastewater Treatment Plant Competent Person (CePIETSO-BP) at BOX-PAK (MALAYSIA) BERHAD, you will play a crucial role in ensuring the proper operation and maintenance of the company's wastewater treatment facilities. This full-time position is based in Batu Caves, Selangor, and will leverage your expertise in water and waste engineering to contribute to the organisation's commitment to environmental sustainability.

What you'll be doing

1. Overseeing the daily operations and performance of the wastewater treatment plant, ensuring compliance with all relevant regulations and standards
2. Conducting regular inspections and maintenance of the plant's equipment and infrastructure to optimize efficiency and effectiveness
3. Analyzing water quality data and implementing appropriate treatment processes to meet discharge standards
4. Preparing and submitting comprehensive reports on the plant's operations and performance to management
5. Collaborating with the engineering team to identify and implement process improvements and upgrades
6. Providing training and guidance to plant operators to enhance their skills and knowledge
7. Ensuring the plant's safety protocols are followed and contributing to the overall safety of the work environment
8. Ensure treated water meets DOE discharge standards and permits.

What we're looking for

1. Possession of a valid Certified Environmental Professional in Industrial Effluent Treatment System Operation - Basic Programme (CePIETSO-BP) certification
2. Minimum 3 years of practical experience in the operation and maintenance of wastewater treatment plants
3. Strong technical knowledge of wastewater treatment processes, water quality analysis, and environmental regulations
4. Excellent problem-solving and decision-making skills to address complex operational challenges
5. Effective communication and collaboration skills to work closely with the engineering team and plant operators
6. Commitment to maintaining a safe and environmentally responsible work environment

What we offer

At BOX-PAK (MALAYSIA) BERHAD, we are dedicated to providing our employees with a rewarding and fulfilling work experience. In addition to a competitive salary, we offer a comprehensive benefits package that includes health insurance, retirement contributions, and opportunities for professional development. Our collaborative and inclusive work culture encourages employees to contribute their unique skills and perspectives, fostering an environment of continuous improvement and growth.

About us

BOX-PAK (MALAYSIA) BERHAD is a leading manufacturer of high-quality packaging solutions, serving a diverse range of industries. With a strong commitment to sustainability, we are continuously investing in eco-friendly technologies and processes to minimize our environmental impact. As a dynamic and innovative company, we are dedicated to providing our customers with innovative products and exceptional service, while fostering a culture of excellence and collaboration among our talented team of professionals.

If you are ready to take on this exciting role and contribute to the success of BOX-PAK (MALAYSIA) BERHAD, apply now.

About us

We are a global leader in advanced water and wastewater treatment solutions, supporting mission-critical operations across key industries worldwide. Headquartered in the United States with a strong regional presence in Asia, including our Innovation Center in Singapore, we leverage cutting-edge proprietary technologies to help industries reduce water usage, minimize discharge, reclaim resources, and turn wastewater into clean water.

Our team consists of over 1,000 professionals, driven by innovation and committed to sustainable environmental impact.

Job Purpose

The Wastewater Treatment Plant (WWTP) Base Manager is responsible for managing the operation, maintenance, regulatory compliance, and performance of the on-site wastewater treatment plant in a semiconductor manufacturing facility. This role ensures all wastewater is effectively treated before discharge or recycling, meeting stringent environmental standards, while supporting production continuity and safety. The manager leads the WWTP team, oversees chemical and waste management, and drives process optimization and continuous improvement initiatives.

Key Responsibilities

Operations & Compliance

• Oversee day-to-day WWTP operations, including physical-chemical treatment processes.
• Monitor critical parameters (pH, COD, TSS, fluoride, metals) and ensure compliance with DOE and discharge permits.
• Maintain SOPs, logbooks, and environmental reports; support audits and inspections.
• Manage scheduled waste (sludge, spent chemicals, PPE) in full compliance with regulations.

Performance & Optimization

• Review plant performance reports and identify bottlenecks or constraints.
• Drive initiatives in chemical optimization, sludge minimization, and energy efficiency.
• Recommend upgrades and system improvements to increase reliability and capacity.

Incident Response & Safety

• Act as the first escalation point for incidents, coordinating emergency response.
• Lead root cause analysis (RCA, 8D, 5Why) and implement corrective actions.
• Ensure team training in emergency protocols, chemical handling, and EHS compliance.

Maintenance & Reliability

• Plan and oversee preventive and corrective maintenance for pumps, clarifiers, blowers, and instruments.
• Ensure accuracy of online monitoring systems (pH, TSS, fluoride meters, etc.).
• Coordinate with vendors and contractors for servicing, calibration, and upgrades.

Team Leadership

• Lead, train, and mentor WWTP operators and technicians.
• Prepare shift schedules and ensure 24/7 operational readiness.
• Foster a safety-first, compliance-driven culture.

Continuous Improvement & Cost Management

• Track KPIs (chemical consumption, sludge volume, downtime).
• Implement cost reduction initiatives without compromising compliance.
• Provide technical input for expansion projects and new system commissioning.

Qualifications & Experience

• Bachelor's degree in Environmental Engineering, Chemical Engineering, Industrial Chemistry, or related field.
• 5–8 years' experience in
  industrial wastewater treatment
  , preferably in the semiconductor or chemical industry.
• 2–3 years in a
  supervisory/managerial role
  .
• Certified Competent Person in Wastewater Treatment (
  CePIETSO – PCP
  ).
• Familiarity with
  ISO 14001 / 45001
  systems.
• Strong leadership, problem-solving, and stakeholder management skills.

We are a global leader in advanced water and wastewater treatment solutions, supporting mission-critical operations across key industries worldwide. Headquartered in the United States with a strong regional presence in Asia, including our Innovation Center in Singapore, we leverage cutting-edge proprietary technologies to help industries reduce water usage, minimize discharge, reclaim resources, and turn wastewater into clean water.

Our team consists of over 1,000 professionals, driven by innovation and committed to sustainable environmental impact.

The Wastewater Treatment Plant (WWTP) Base Manager is responsible for managing the operation, maintenance, regulatory compliance, and performance of the on-site wastewater treatment plant in a semiconductor manufacturing facility. This role ensures all wastewater is effectively treated before discharge or recycling, meeting stringent environmental standards, while supporting production continuity and safety. The manager leads the WWTP team, oversees chemical and waste management, and drives process optimization and continuous improvement initiatives.

Operations & Compliance

• Oversee day-to-day WWTP operations, including physical-chemical treatment processes.
• Monitor critical parameters (pH, COD, TSS, fluoride, metals) and ensure compliance with DOE and discharge permits.
• Maintain SOPs, logbooks, and environmental reports, support audits and inspections.
• Manage scheduled waste (sludge, spent chemicals, PPE) in full compliance with regulations.

Performance & Optimization

• Review plant performance reports and identify bottlenecks or constraints.
• Drive initiatives in chemical optimization, sludge minimization, and energy efficiency.
• Recommend upgrades and system improvements to increase reliability and capacity.

Incident Response & Safety

• Act as the first escalation point for incidents, coordinating emergency response.
• Lead root cause analysis (RCA, 8D, 5Why) and implement corrective actions.
• Ensure team training in emergency protocols, chemical handling, and EHS compliance.

Maintenance & Reliability

• Plan and oversee preventive and corrective maintenance for pumps, clarifiers, blowers, and instruments.
• Ensure accuracy of online monitoring systems (pH, TSS, fluoride meters, etc.).
• Coordinate with vendors and contractors for servicing, calibration, and upgrades.

Team Leadership

• Lead, train, and mentor WWTP operators and technicians.
• Prepare shift schedules and ensure 24/7 operational readiness.
• Foster a safety-first, compliance-driven culture.

Continuous Improvement & Cost Management

• Track KPIs (chemical consumption, sludge volume, downtime).
• Implement cost reduction initiatives without compromising compliance.
• Provide technical input for expansion projects and new system commissioning.

Qualifications & Experience

• Bachelor's degree in Environmental Engineering, Chemical Engineering, Industrial Chemistry, or related field.
• 5–8 years' experience in industrial wastewater treatment, preferably in the semiconductor or chemical industry.
• 2–3 years in a supervisory/managerial role.
• Certified Competent Person in Wastewater Treatment (CePIETSO – PCP).
• Familiarity with ISO 14001 / 45001 systems.
• Strong leadership, problem-solving, and stakeholder management skills.

Job Descriptions:

• Operate & manage waste water treatment plant.
• Routine maintenance of waste water treatment equipment.
• Basic wiring & termination
• Able to do COD & BOD lab analysis
• Records performance monitoring data.

This job involves maintaining and repairing equipment at a water treatment plant. You might like this role because it helps ensure our water remains clean and safe, and you'll collaborate with a team to troubleshoot technical issues daily.

We provide free accommodation for all staff levels.

The company pays a transportation allowance to all employees.

Hartalega, established in 1988, has grown from a single production line to become the world's largest producer of nitrile gloves, manufacturing billions of gloves annually. We are committed to innovation and excellence in the industry.