Utilities Engineer

About Kerry

About the role

The WWTP Engineer is responsible for ensuring safe, efficient, compliant and reliable operation of the site’s Wastewater Treatment Plant and Utilities section involving Boilers, Air Compressor & Chiller Compressors. This role covers treatment process control, regulatory compliance, optimization, troubleshooting, equipment maintenance planning, data analysis, and continuous improvement to ensure effluent meets DOE/DOSH requirements and company environmental standards.

Work Location : Pasir Gudang - Johor 

Key responsibilities

WWTP Operations & Compliance

• Lead daily WWTP operations to ensure effluent meets DOE requirements and internal specifications.


• Perform and verify process control tests (pH, COD, BOD, TSS, NH3-N, oil & grease, MLSS, MLVSS, DO, SVI).


• Maintain logs and reporting for DOE compliance.


• Ensure proper calibration and functioning of analyzers, probes and dosing equipment.


• Prepare documentation for audits and environmental reporting.

Process Optimization & Continuous Improvement

• Analyze WWTP performance trends and implement stability and efficiency improvements.


• Identify root causes of upsets and execute corrective actions.


• Lead upgrading projects or capacity improvements.

Maintenance & Asset Management

• Develop preventive maintenance plans for WWTP equipment.


• Support troubleshooting with maintenance teams.


• Ensure critical spares availability.

People & Contractor Management

• Supervise WWTP operators and ensure competency development.


• Manage contractors for desludging, chemical supply, calibration and servicing.

Safety, Environmental & Quality Management

• Ensure compliance with ISO 14001, ISO 45001, HACCP and internal QHSE standards.


• Participate in environmental risk assessments and inspections.

Reporting & Documentation

• Prepare daily/weekly/monthly WWTP performance reports.


• Maintain SOPs and work instructions for WWTP.


• Support audits and documentation requirements.

Utility Operations – Partial Support

• Assist in Utility Lead or Engineer whenever needed for boiler, chiller, cooling tower, air compressor, process water operations


• Works together with Utility Lead or Engineer for the improvement related task for machinery, people or program related to Utility Section

Decision-Making Authority

• Approve operational adjustments and recommend major repairs or CAPEX modifications.

Qualifications and skills

• Degree in Environmental Engineering, Chemical Engineering, Biotechnology, or related field.


• Minimum 5 years experience in industrial WWTP operations.


• Strong knowledge of biological, chemical and physical wastewater treatment processes.

Skills & Competencies

• Certified CePIETSO‑BP & CePIETSO‑PCP


• Strong understanding of activated sludge, SBR, DAF, aeration and sludge handling.


• Ability to analyse lab data and interpret performance trends.


• Strong troubleshooting in mechanical, electrical and instrumentation related to WWTP.


• Leadership, communication and problem‑solving skills.