Performance Engineer (Water / Wastewater Treatment) (Based in Jurong Island)

SEMBCORP UTILITIES SERVICES PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Sembcorp Utilities Services Pte. Ltd. is seeking a Performance Engineer to assure reliable operation of water and wastewater plants in Singapore. You will lead treatability analyses, support troubleshooting, and drive optimization initiatives across projects.

Your responsibilities include planning lab and pilot-scale studies, evaluating treatment schemes and costs, maintaining records, and supporting the Commercial and O&M teams with practical wastewater solutions. 2+ years' experience preferred.

Qualifications

• Bachelor’s degree in Environmental or Chemical Engineering.
• Minimum 2 years in water/wastewater treatment, process optimization, and troubleshooting.
• Hands-on lab and pilot-scale testing experience.
• Strong MS Excel data analysis and technical report writing.
• Good communication with Operations, Commercial teams and Customers.
• Familiarity with wastewater modeling software such as BioWin, GPS-X or SUMO.
• Knowledge of RO projection software is a plus.

Responsibilities

• Plan and run lab and pilot-scale studies for troubleshooting and optimization.
• Conduct treatability analyses and evaluate treatment costs for customer solutions.
• Manage R&D lab operations, budgeting and stocking.
• Maintain detailed experimental records and prepare technical reports.
• Support process optimization projects and monitor performance.
• Provide process input for plant upgrades (mass/energy balances, equipment sizing).
• Assist in technical reviews of control philosophy, instrumentation, hydraulics, and safety.
• Monitor plant performance and troubleshoot to ensure reliability.
• Analyze mass balance to identify inefficiencies and leaks.
• Coordinate with O&M during customer shutdowns.

Skills

Environmental Engineering

Chemical Engineering

Lab testing

Data analysis

MS Excel

Communication skills

Process optimization

Education

Bachelor's degree in Environmental Engineering

Tools

BioWin

GPS-X

SUMO

DuPont WAVE

Job description

About Sembcorp

Sembcorp is a leading energy and urban solutions provider headquartered in Singapore. Led by its purpose to drive energy transition, Sembcorp delivers sustainable energy solutions and urban developments by leveraging its sector expertise and global track record.

Join us in shaping a sustainable energy future

Drive Asia’s energy transition with us! Our Gas & Related Services segment is a key growth engine, delivering reliable and efficient energy to industries and communities across multiple countries. We support Asia’s growing energy needs while advancing the shift to a lower-carbon future.

Purpose & Scope

As a Performance Engineer, you will play a critical role in ensuring the reliable operation of water and wastewater treatment plants. You’ll lead treatability analyses for new customer enquiries, support process stability through troubleshooting and optimization, and contribute to innovative optimization and improvement initiatives.

Key Roles & Responsibilities

• Plan and execute laboratory and pilot-scale studies to support troubleshooting, optimization, and new/complex wastewater projects.
• Conduct treatability analyses, propose treatment schemes, and evaluate treatment costs for customer solutions.
• Manage R&D lab operations, including equipment, supplies, housekeeping, and budget planning.
• Maintain detailed experimental records and prepare technical reports.
• Support the Commercial team with technical clarifications and practical wastewater solutions.
• Support process optimization projects, track performance improvements, and identify cost savings.
• Provide process engineering input for plant upgrades, including mass/energy balances and equipment sizing.
• Support in technical reviews covering control philosophy, instrumentation, piping, hydraulics, and safety assessments.
• Monitor and troubleshoot water and wastewater plant performance to ensure reliability and availability.
• Analyze mass balance to identify inefficiencies, losses, and leaks, and refine monitoring metrics.
• Provide process support during customer shutdowns and coordinate with O&M teams to prevent plant upsets.

Key Requirements

• Bachelor’s degree in Environmental Engineering or Chemical Engineering.
• Minimum 2 years of relevant experience in water / wastewater treatment, process optimization, and plant troubleshooting.
• Hands-on experience in laboratory and pilot-scale testing.
• Proficient in technical report writing and data analysis using MS Excel.
• Strong communication skills to engage with Operations, Commercial teams, and Customers.
• Knowledge of biological, physical, and chemical wastewater treatment processes.
• Familiarity with wastewater modeling software (e.g., BioWin, GPS-X, SUMO) or RO projection software (e.g. DuPont WAVE) is a plus.

Preferred Skills & Characteristics

• Organized and detail-oriented
• Excellent problem-solving and analytical skills, capable to interpret complex data and make data-driven decisions.
• Independent, resourceful, and proactive.
• Strong team player with the ability to deliver results under tight deadlines.
• Effective interpersonal, communication, and presentation skills.

Our Culture at Sembcorp

At Sembcorp, our culture is shaped by a strong set of shared behaviours that guide the way we work and uphold our commitment to driving the energy transition.

We foster an institution-first mindset, where the success of Sembcorp takes precedence over individual interests. Collaboration is at the heart of what we do, as we work seamlessly across markets, businesses, and functions to achieve our goals together. Accountability is a core principle, ensuring that we take ownership of our commitments and deliver on them with integrity and excellence. These values define who we are and create a workplace where our people can thrive while making a meaningful impact on driving energy transition.

Join us in making a real impact!