Water Process Engineer — Pilot & Scale-Up Innovator

Gradiant International Holdings PTE, LTD; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Gradiant International Holdings PTE, LTD is seeking a Process Engineer for the New Products and Innovation program to develop, validate, and scale up emerging wastewater treatment solutions.

You will bridge fundamental process understanding with practical engineering execution, guiding bench to pilot to full-scale deployment, coordinating across internal teams, vendors, and customers to deliver pilot and demonstration projects.

Qualifications

• Bachelor’s, Master’s, or PhD in Chemical, Environmental, or Mechanical Engineering is required.
• 3–5 years of experience in the water industry (EPC, OEM, or water technology/solutions companies preferred).
• Demonstrated experience in industrial wastewater treatment solutions.
• Hands-on experience with pilot systems, commissioning, and troubleshooting.
• Strong foundation in process design, including mass balance and cost estimation.
• Experience in preparing design documents (PFDs, P&IDs, Equipment list, Instrument list, 2D layout and GA drawings).
• Strong project management and organizational skills; ability to manage multiple tasks simultaneously.

Responsibilities

• Develop process design basis, technical specifications, operating windows, and performance assumptions/claims.
• Maintain and standardize process design templates, calculation methods, and engineering tools.
• Develop and improve internal tools for process design and equipment sizing.
• Design and execute experiments, including bench-scale and pilot-scale systems for POC, design verification, and validation.
• Lead pilot system design, setup, commissioning, and troubleshooting activities.
• Conduct technical risk assessments (e.g., HAZOP) with failure modes, mitigations, and control strategies.
• Develop control philosophy and narratives with PLC programmers for robust automation.
• Coordinate inputs for GA drawings, 2D layouts, and 3D models.
• Ensure technical deliverables align with validated performance data.
• Work with Engineering and Manufacturing to translate R&D into repeatable, manufacturable design packages.
• Establish commissioning and acceptance protocols, troubleshooting playbooks, and field readiness standards.
• Support on-site commissioning and pilot studies as required.
• Capture field learnings and translate into design improvements and updated standards.
• Collaborate with commercial teams to incorporate feedback from operating projects into design improvements.
• Execute NPI plans with scope, milestones, and resources.
• Support costing exercises, drafting budgets and technical proposals for solution packages.

Education

Bachelor’s, Master’s, or PhD in Chemical, Environmental, Mechanical Engineering

Tools

PFDs

P&IDs

GA drawings

Job description

Gradiant International Holdings PTE, LTD is seeking a Process Engineer for the New Products and Innovation program to develop, validate, and scale up emerging wastewater treatment solutions.

You will bridge fundamental process understanding with practical engineering execution, guiding bench to pilot to full-scale deployment, coordinating across internal teams, vendors, and customers to deliver pilot and demonstration projects.