A leading water treatment operation in Ajman, United Arab Emirates is seeking an experienced Water Chemist (Senior Chemist – Water Treatment) to monitor water quality, conduct chemical analysis, manage chemical dosing, and support the efficient operation of Reverse Osmosis (RO) water treatment plants. This is a technically demanding role covering the full water treatment cycle — from seawater intake sampling through storage — ensuring compliance with quality, safety, and HSE regulatory standards while driving operational excellence and continuous process improvement across the plant.
Reverse Osmosis Water Treatment — Critical Infrastructure Role
As Senior Water Chemist in Ajman, you ensure the safe, high-quality production of treated water through rigorous chemical analysis, optimized dosing, and robust RO plant monitoring — directly protecting the health and safety of end users across the UAE.
About the Role — Senior Chemist Water Treatment, Ajman UAE
Industry: Water Treatment / Desalination / Reverse Osmosis Plant Operations
Location: Ajman, United Arab Emirates — one of the UAE’s fastest-growing industrial emirates
Plant Type: Reverse Osmosis (RO) water treatment — seawater intake through storage
Compliance: HSE regulations · Quality standards · Environmental standards · Operational procedures
Team Scope: Supervise and guide team members · Support technical training and development
Why This Water Chemist Role in Ajman UAE Stands Out
Critical Infrastructure: Water treatment is one of the most strategically essential industries in the UAE — a stable, high-demand career with long-term relevance
Technical Specialization: Build deep expertise in RO plant chemistry, seawater analysis, chemical dosing optimization, and water quality compliance
Leadership Opportunity: Senior role with team supervision responsibilities — a clear step toward Water Treatment Manager and Plant Operations Director positions
Career Growth: Water chemistry and RO plant expertise is among the most in-demand technical specializations across the UAE, GCC, and global water treatment industry
Position Overview
The Senior Chemist – Water Treatment in Ajman is a comprehensive technical and operational role responsible for the full chemical quality cycle of an RO water treatment plant. You will collect and analyze water samples from seawater intake through to storage tanks, monitor and optimize chemical dosing programs throughout the treatment process, manage chemical inventory and stock levels, prepare chemical analysis reports and annual chemical requirements forecasts, monitor plant operational performance, supervise and develop team members, and ensure strict compliance with all operational procedures, quality standards, and HSE (Health, Safety & Environment) requirements — while actively supporting continuous improvement initiatives across the plant.
Why This Role Matters: As Senior Water Chemist at this Ajman RO plant, you are the scientific backbone of safe, high-quality water production — your chemical analysis determines whether water meets safety standards, your dosing optimization protects equipment and product quality, your inventory management prevents chemical shortages that could disrupt production, your HSE compliance protects the team, and your technical expertise guides junior team members in maintaining the rigorous standards that this critical water treatment infrastructure demands every single day.
Key Responsibilities
Water Quality Monitoring & Sample Analysis
- Collect water samples systematically from all critical points in the treatment cycle — from seawater intake through pre-treatment, RO membranes, and product water storage — to ensure continuous water quality compliance against defined specifications
- Conduct comprehensive chemical and physical analysis of collected water samples using laboratory instruments — measuring parameters including pH, turbidity, conductivity, TDS, hardness, chlorine, SDI, and other relevant water quality indicators
- Interpret analysis results against quality benchmarks, identify deviations promptly, and take or recommend immediate corrective actions to restore compliance across all treatment stages
Chemical Dosing Monitoring & Optimization
- Monitor chemical dosing systems throughout the water treatment process — including antiscalants, coagulants, biocides, pH adjustment chemicals, and disinfection agents — ensuring dosage rates are accurate and optimized for plant performance
- Adjust chemical dosing rates proactively based on water quality data, seasonal seawater variations, and plant operational requirements to maximize RO membrane performance and water recovery rates
- Identify opportunities to optimize chemical usage — reducing costs and minimizing environmental impact without compromising product water quality or plant equipment integrity
Chemical Inventory & Stock Management
- Manage chemical inventory levels across all RO plant chemical storage areas — maintaining accurate stock records, tracking consumption rates, and ensuring adequate chemical availability to prevent operational disruptions
- Prepare annual chemical requirements forecasts based on historical consumption data, production targets, and planned maintenance activities
- Ensure all chemical storage, handling, and disposal activities comply fully with HSE regulations, safety data sheet (SDS) requirements, and UAE environmental standards
Reporting, Documentation & Process Improvement
- Prepare accurate, detailed chemical analysis reports, operational quality records, and technical documentation for management review and regulatory compliance purposes
- Monitor overall RO plant operational performance — analyzing trends in water quality, chemical consumption, and equipment performance to identify and recommend process improvements
- Support continuous improvement initiatives across the water treatment plant — contributing technical expertise to upgrade chemical dosing programs, improve analytical methods, and enhance overall plant efficiency
- Maintain accurate, up-to-date technical documentation including operational logs, calibration records, and chemical consumption reports
Team Supervision, Training & HSE Compliance
- Supervise and guide team members in day-to-day water sampling, chemical analysis, and plant monitoring activities — ensuring all tasks are performed accurately, safely, and in accordance with standard operating procedures
- Support technical training and development of junior team members — building water chemistry competency and laboratory best practice skills across the team
- Ensure strict compliance with all operational procedures, quality standards, and HSE (Health, Safety & Environment) requirements across all water treatment and laboratory activities
Qualifications & Requirements
Educational Requirements
- Bachelor’s Degree in Chemical Engineering, Chemistry, Environmental Engineering, or a closely related scientific or engineering field
Experience Requirements
- Proven experience in water treatment operations, RO plant chemistry, water quality analysis, or industrial laboratory operations in the UAE or GCC
- Strong working knowledge of chemical analysis methodologies, water treatment processes, chemical dosing systems, and laboratory testing techniques applicable to RO plant environments
- Hands-on experience operating laboratory instruments and using data analysis software for water quality reporting and trend analysis
Key Skills for Success
- Strong analytical and problem-solving skills — able to interpret complex water quality data, identify root causes of treatment performance issues, and implement effective solutions rapidly
- Solid knowledge of HSE, quality, and environmental standards relevant to water treatment plant operations in the UAE
- Good written and verbal communication skills for preparing accurate technical reports and coordinating effectively with plant operations and management teams
- Organized, detail-oriented, and reliable — capable of maintaining rigorous laboratory and operational records in a demanding water treatment environment
About the Water Treatment Industry in the UAE
The United Arab Emirates is one of the world’s most water-scarce countries — making water treatment, desalination, and reverse osmosis plant operations among the most strategically critical and consistently funded industries in the region. Ajman, as one of the UAE’s fastest-growing emirates, continues to expand its water infrastructure to meet rising residential, commercial, and industrial demand. Senior Water Chemists and RO plant specialists are among the most consistently in-demand technical professionals across the UAE’s water sector — with strong long-term career stability and clear advancement opportunities.
Career Outlook: Senior Chemists in UAE water treatment operations have a well-supported progression path toward Water Quality Manager, RO Plant Operations Manager, Technical Director – Water Treatment, and Water Infrastructure Consultant roles — all strategically important, well-compensated careers in the UAE’s critical water sector.
Who Should Apply?
- Water Treatment Chemists: With hands-on UAE or GCC experience in RO plant water quality analysis, chemical dosing management, and seawater treatment operations
- Chemical Engineering Graduates: With laboratory operations and water treatment plant experience seeking a senior chemist role in Ajman’s growing water treatment sector
- Laboratory Chemists: With strong analytical chemistry skills and prior exposure to water quality testing, HSE compliance, and industrial chemical management in the UAE
- Environmental Chemistry Professionals: With water treatment or desalination industry experience and a strong track record of chemical analysis, reporting, and process optimization
- RO Plant Operations Technicians: With chemical analysis experience and the aspiration to step into a senior water chemist leadership role in the UAE’s expanding water treatment infrastructure sector
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