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 design, execution, and commissioning of industrial water, wastewater treatment, and water reuse systems.

The role focuses on process design, optimization, and cross-functional collaboration across project teams, with opportunities to support business development and client interactions.

Qualifications

• Degree in Chemical Engineering, Environmental Engineering, or a related engineering discipline.
• 6+ years of relevant experience in industrial water/wastewater treatment with hands-on design and commissioning.
• Solid knowledge of chemical/biological treatment, DAF, membranes and RO.
• Experience in food & beverage, breweries, palm oil or petrochemical wastewater is a plus.
• Proficient in process calculations and technical documentation; familiarity with membrane design software like WAVE.

Responsibilities

• Lead process design and optimization of IW/WW treatment and reuse systems.
• Perform mass/hydraulic balances, equipment sizing, dosing and utility estimates; prepare PFDs and P&ID inputs.
• Develop proposals with process selection, equipment sizing and O&M cost assessments.
• Prepare design specs, BoQ, RFQ documents; evaluate process equipment.
• Support business development through site surveys, client meetings and technical presentations.
• Provide design support during detailed design and commissioning with vendor reviews.
• Lead or participate in testing, startup, troubleshooting; deliver training as required.

Skills

Process design & optimization

Plant commissioning

Troubleshooting

O&M knowledge

Mass & hydraulic balances

Vendor coordination

Education

Bachelors in Chemical/Environmental Eng

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.