Water Quality Instrumentation Specialist

Gradiant International Holdings PTE, LTD; Singapore; On-site; SGD 42,000 - 68,000; Full time

Job summary

Gradiant International Holdings PTE, LTD in Singapore is seeking a Lab Technologist for our water and wastewater testing laboratory. You will operate and maintain analytical instruments and perform tests according to EPA, APHA, or USEPA methods.

The role requires at least 2 years of hands-on experience in environmental water labs, strong water chemistry knowledge, and good laboratory practices. You will support internal and external requests, prepare sampling materials, ensure instrument

Qualifications

• Bachelor’s degree in Science/Analytical Chemistry or related science discipline.
• Minimum of 2 years hands-on experience operating and maintaining water analytics instruments.
• Strong water chemistry knowledge, GLP/QA-QC understanding, and competency requirements.
• Ability to troubleshoot instrumentation and resolve issues independently.
• Able to manage multiple tasks, work independently, and deliver results within tight timelines.
• Proactive team player and able to collaborate with the laboratory team.
• Good proficiency in English, both written and spoken.

Responsibilities

• Operate water analytical equipment like IC, IC-OES, TOC, and conduct bench water testing per EPA/APHA/USEPA methods.
• Support routine and urgent water analysis requests from internal and external teams with timely turnaround.
• Prepare sampling bottles, preservatives, reagents, labels, and sampling kits for water sampling activities.
• Ensure analytical equipment is maintained with daily checks and coordinate with contractors when needed.
• Perform quality checks, support method verification/validation, and research water matrix testing.
• Interface with researchers on samples, job status, and discrepancies in results.
• Keep laboratory records up to date (maintenance, inventory, raw data, SDS, documents).
• Participate in lab housekeeping, safety inspections, and safety briefings by officers.
• Handle administrative tasks such as communicating with lab suppliers, quotations, and purchase requisitions.

Skills

Water chemistry

GLP/QA–QC

Troubleshooting

Independent work

English proficiency

Education

Bachelor’s degree in Science/Analytical Chemistry

Tools

Ion Chromatography (IC)

Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES)

TOC analyzer

Hach titration

Job description

Gradiant International Holdings PTE, LTD in Singapore is seeking a Lab Technologist for our water and wastewater testing laboratory. You will operate and maintain analytical instruments and perform tests according to EPA, APHA, or USEPA methods.

The role requires at least 2 years of hands-on experience in environmental water labs, strong water chemistry knowledge, and good laboratory practices. You will support internal and external requests, prepare sampling materials, ensure instrument