Process Engineer

SG ENVIRO PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

SG ENVIRO PTE. LTD. is seeking a Senior Process Engineer to lead and support process engineering, design and commissioning of water, wastewater treatment and water reuse systems, covering physical-chemical, biological, DAF, membrane filtration/RO, and sludge handling.

You will engineer mass and energy balances, develop design bases, PFDs and P&IDs, prepare proposals, and provide field and client support, ensuring safe, on‑time project delivery and high performance.

Qualifications

• Degree in Chemical Engineering, Environmental Engineering or related field.
• 6+ years in industrial water/wastewater treatment, with hands-on design and commissioning.
• Strong knowledge of chemical and biological treatment, DAF, membranes and RO.
• Experience with process calculations and technical documentation.
• Willingness to travel for overseas assignments when required.

Responsibilities

• Lead process design and optimization of water, wastewater and reuse systems.
• Perform mass and hydraulic balances, equipment sizing and utility requirements.
• Develop proposals with process selection and cost assessments.
• Prepare design specs, BQ, RFQ docs and evaluate equipment.
• Support BD through site surveys, client meetings and technical clarifications.
• Provide process support during detailed design and project execution.
• Lead testing, commissioning, start-up and troubleshooting; prepare O&M manuals.

Skills

Process design

Project execution

Troubleshooting

Client communication

Education

Chemical Engineering degree

Environmental Engineering background

Tools

WAVE

Job description

Roles &Responsibilities:

To lead and support process engineering, proposal development, project execution and commissioning of industrial water, wastewater treatment and water reuse systems, including:

• Lead process design and optimization of industrial water, wastewater treatment and reuse systems, including physical-chemical, biological, DAF, membrane filtration/RO, oxidation/AOP and sludge handling processes.

• Perform and review mass and hydraulic balances, process calculations, equipment sizing, chemical dosing, aeration/blower requirements, membrane projections and utility requirements; prepare Process Design Basis, Process Description, PFDs, P&ID inputs and control philosophy.

• Develop technically sound and commercially competitive proposals, including process selection, technical write-ups, equipment sizing, operating cost assessment and value-engineering recommendations.

• Prepare design specifications, Bill of Quantity (BQ) and RFQ documents, and conduct technical evaluation and selection of process equipment and components.

• Support Business Development through site surveys, client meetings, technical presentations and proposal clarifications, translating customer operating requirements into practical process solutions.

• Provide process support during detailed design and project implementation, including review of process/piping layouts, vendor documents, operability, maintainability and multidisciplinary interfaces.

• Lead or participate in testing, commissioning, start-up, performance testing and process troubleshooting; prepare or review commissioning procedures, O&M manuals and technical documentation, and provide client training where required.

• Provide technical guidance to junior engineers and work closely with project, procurement, construction and operations teams to deliver projects safely, on schedule and to required performance standards.

Job Requirements

• Degree in Chemical Engineering, Environmental Engineering, or a related engineering discipline.

• Preferably 6 years or more of relevant experience in industrial water/wastewater treatment, with strong hands-on exposure to process design, plant commissioning, troubleshooting and/or O&M.

• Good practical knowledge of industrial wastewater treatment, particularly chemical and biological processes, aeration systems, DAF, membrane filtration and RO-based water reclamation.

• Experience in food & beverage, brewery, dairy, palm oil/oleochemical/petrochemical, rubber, oil & gas or other high-strength industrial wastewater applications will be an advantage.

• Proficient in process calculations and technical documentation; experience with membrane design/projection software such as WAVE or equivalent will be an advantage.

• Able to communicate effectively with clients, vendors and multidisciplinary teams; self-motivated, hands-on and willing to support site commissioning or overseas assignments when required.

• Candidate with more relevant work experience may be considered for a senior process engineer position.