water treatment engineer

OasisFlow Water Solutions

Job Title: Water Treatment EngineerJob Location: Al Khobar, Saudi ArabiaJob Summary: OasisFlow Water Solutions is looking for a Water Treatment Engineer to design, operate, and maintain water purification and treatment systems across industrial and municipal projects.Key Responsibilities:<ul><li>Design and oversee water treatment systems (RO, filtration, desalination)</li><li>Monitor water quality and system performance</li><li>Conduct maintenance and troubleshooting of treatment equipment</li><li>Ensure compliance with Saudi environmental regulations</li><li>Prepare technical reports and documentation</li></ul>Qualifications:<ul><li>Bachelor&rsquo;s degree in Environmental, Chemical, or Water Engineering</li><li>3&ndash;5 years of relevant experience</li><li>Knowledge of water treatment technologies</li></ul>Requirements:<ul><li>Transferable Iqama (if non-Saudi)</li><li>Familiarity with Saudi environmental standards</li></ul>Saudization: Preference will be given to Saudi nationals.Benefits:<ul><li>Competitive salary</li></ul>Employment Type: Full-Timeالراتب المدفوع: ﷼١٤٠٫٠٠&nbsp;لكل ساعةموقع العمل: بشكل شخصي

Water Treatment Engineer

Pure Water Technology

We are looking for candidate for Mechanical Engineer to be based in Abu Dhabi/Dubai.Candidate must have experience in Water and Waste Water Treatment field. Tasks will include but not limited to:Design, Process definition, Conceptual, Preliminary and Detailed Design (liquid, sludge and odour stream design, preparation of P&amp;ID's, Layouts, Process Flow Diagrams etc.) estimating, reviewing, commissioning, operation and process optimization.Key accountabilities for this position are:<ul><li>Works on all sizes of wastewater projects and lead multi-disciplinary teams through planning, design and construction for wastewater clients in multi-disciplinary Teams.</li><li>Design according to local utilities rules, regulations and design guides;</li><li>Perform engineering calculations and prepare detailed design drawings and specifications.</li><li>Coordinate with Electrical Engineers, Architects, Civil Engineers and Structural Engineers and any other external design consultant;</li><li>Gather information, develop and evaluate alternatives, and prepare engineering reports.</li><li>Perform other duties as assigned.</li></ul>Requirements:<ul><li>Holding B.E ( Mechanical or Chemical ) with experience in process design and basic engineering of desalination plants, water treatment plants, sewage treatment, industrial effluent treatment and reuse.</li><li>Minimum 5 years&rsquo; experience</li><li>Experience in design of physical/chemical water treatment.</li><li>Familiarity in site construction documentation</li><li>Excellent in team management</li></ul>Job Type: Full-timePay: From AED4,500.00 per monthApplication Question(s):<ul><li>When is your expected joining date?</li></ul>Education:<ul><li>Bachelor's (Required)</li></ul>Experience:<ul><li>Mechanical Engineer: 5 years (Required)</li></ul>Work Location: In person

Site Mechanical Engineer

Gradiant

<div>
 Project Engineer Gradiant Muscat LLC Muscat, Oman 3/16/26 Engineering
 
 
 
 About Gradiant
 
 
 
 Gradiant is a Different Kind of Water Company. With a full suite of differentiated and proprietary end-to-end solutions for advanced water and wastewater treatment powered by the top minds in water, the company serves its clients&rsquo; mission-critical operations in the world&rsquo;s essential industries, including semiconductors, pharmaceuticals, food &amp; beverage, lithium and critical minerals, and renewable energy. Gradiant&rsquo;s innovative solutions reduce water used and wastewater discharged, reclaim valuable resources, and renew wastewater into freshwater. The Boston-headquartered company was founded at MIT and has over 1,400 employees worldwide. Discover us at gradiant.com.
 
 
 
 Job Overview
 
 
 
 The role of Project Engineer involves studying, understanding, and executing upon detailed project requirements and specifications, while reviewing budgets and maintaining cost controls. The role is challenging and offers significant potential for innovation and growth. The individual should have strong technical, organizational and communication skills related to Project Management. Specific knowledge of pump specifications, skid design, piping systems, heat exchangers, filtration, and material selection under varying process chemistry is desired.
 
 
 
 Specific Duties/responsibilities
 
 
 
 
 Project Planning &amp; Scheduling
 
 
 
 <ul>
 <li>
 Prepare, schedule, coordinate and monitor the assigned projects.
 </li>
 <li>
 Prepare &amp; determine project schedule by studying project plan and specifications, calculating time requirements, and sequencing project elements.
 </li>
 <li>
 Maintain project schedule by monitoring project progress, coordinating activities, and resolving problems.
 </li>
 <li>
 Control project plan by reviewing design, specifications, and plan, schedule changes, and recommending actions.
 
 
 </li>
 </ul>
 
 Engineering &amp; Technical Execution
 
 
 
 <ul>
 <li>
 Ensure all engineering documents and deliverables are prepared accurately and as per required schedule.
 </li>
 <li>
 Review the engineering tasks and initiate the necessary corrective actions.
 </li>
 <li>
 Determine project specifications by studying system design, customer requirements, and performance standards.
 </li>
 <li>
 Work with outside vendors and purchasing to select and establish equipment component specifications, material take-offs, requisitions, close follow-up &amp; expediting deliveries and vendor orders.
 </li>
 <li>
 Support engineering, project management and deployment groups to identify and resolve issues.
 
 
 </li>
 </ul>
 
 Collaboration &amp; Communication
 
 
 
 <ul>
 <li>
 Cooperate and communicate with the Project Manager and Engineering Manager and collaborate with various discipline Engineers &amp; project team members to create more efficient project methods and ensure project timelines are met.
 </li>
 <li>
 Interact with clients, interpret their needs and requirements, and translate them into an actionable plan.
 </li>
 <li>
 Respond to any client complaints, concerns or requests throughout the project.
 </li>
 <li>
 Hold regular meetings &amp; prepare MOM to ensure that everything is going according to time and budget restrictions.
 
 
 </li>
 </ul>
 
 Reporting &amp; Documentation
 
 
 
 <ul>
 <li>
 Prepare project status reports by collecting, analysing, summarizing information &amp; trends and recommending actions.
 </li>
 <li>
 Maintain project database and back up data.
 
 
 </li>
 </ul>
 
 Compliance, Risk &amp; Quality Assurance
 
 
 
 <ul>
 <li>
 Ensuring the project&rsquo;s compliance with the applicable codes, practices, policies, performance standards, and specifications.
 </li>
 <li>
 Making sure that all health, safety, contractual and legal requirements are being met throughout the process.
 </li>
 <li>
 Assure that all deadlines are being met.
 
 
 </li>
 </ul>
 
 Global/Regional &amp; Cross-Functional Support
 
 
 
 <ul>
 <li>
 Support Gradiant Subsidiaries regionally and across the globe as required.
 </li>
 <li>
 Determines project responsibilities by identifying project phases and elements, assigning personnel to phases and elements, and reviewing bids from contractors.
 
 
 </li>
 </ul>
 
 Education, Skills &amp; Experience
 
 
 
 <ul>
 <li>
 A Bachelor&rsquo;s degree in Engineering or related field.
 </li>
 <li>
 Knowledge of both theoretical and practical aspects of Project Management.
 </li>
 <li>
 Excellent project management and supervision skills.
 </li>
 <li>
 Excellent organizational, time management, leadership, and decision-making skills.
 </li>
 <li>
 The ability to work with multiple discipline projects.
 </li>
 <li>
 Strong written and verbal communication skills.
 </li>
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 Familiarity with commonly used concepts, practices, and procedures of EPC projects and design/manufacturing company.
 </li>
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 Reliance on extensive experience and judgment to plan and accomplish goals.
 </li>
 <li>
 Mechanical Project Engineer with minimum 4 years experience in water and wastewater treatment projects.
 
 
 </li>
 </ul>
 Gradiant is an equal opportunity employer. Qualified applicants will be considered without regard to race, color, religion, creed, gender, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.
</div>

Project Engineer

King Abdullah University of Science and Technology

Department/Division: Research Translation HubJob Title: Research Translation Engineer - Water Desalination and DistributionReports to: Manager, Research TranslationPosition SummaryReporting to the Research Translation Manager, the Water Desalination &amp; Distribution Engineer will provide technical engineering expertise, design support, and research translation guidance across a broad range of water desalination, treatment, and distribution projects at KAUST. The engineer will contribute to the early-stage development, prototyping, and deployment of advanced technologies spanning seawater desalination (thermal, membrane, electrochemical), hydraulics and pipeline design, smart water distribution networks, wastewater treatment, and water chemistry processes. This role requires working collaboratively alongside researchers, engineers, technologists, and industrial partners to convert scientific innovations into functional engineered systems. Activities span early‑stage research translation, technology scale‑up, field deployment, pilot‑unit engineering, technical assessments, and system performance optimization.Major Responsibilities&middot; Lead and provide engineering support for desalination, water treatment, and water distribution research translation projects.&middot; Design, model, and optimize desalination systems including RO, MD, ED, and thermal processes.&middot; Work with the Research Translation team to prototype and fabricate desalination/hydraulics subsystems using KAUST workshops and external vendors.&middot; Evaluate performance of prototype systems and pilot units; identify improvement pathways and scaling potential.&middot; Develop and execute structured test plans for prototype and pilot systems, including KPI definition, data acquisition, and performance benchmarking against design targets&middot; Conduct design reviews ensuring alignment with engineering principles, safety standards, and project requirements.&middot; Create engineering documentation including system specifications, test plans, P&amp;IDs, process flow diagrams (PFDs), and mechanical drawings.&middot; Engage in resource recovery research, supporting development of water reuse, nutrient recycling, and energy recovery technologies.&middot; Lead and assist in developing technology maturity roadmaps (TRL-based) and conduct gap analyses for desalination/distribution innovations.&middot; Support risk assessments, troubleshooting, root‑cause analysis, and performance diagnostics for deployed systems.&middot; Contribute to project planning, cost estimation, and technical feasibility studies; track engineering milestones and communicate progress to project leads and stakeholders.Personal Requirements:Competencies&middot; Experience with RO, thermal desalination (VC, MSF, MED), electrodialysis, and membrane distillation.&middot; Understanding membrane performance, fouling behavior, and energy‑water optimization.&middot; Knowledge of high‑pressure pumping systems and membrane process hydraulics.&middot; Familiarity with brine management, disposal strategies, and environmental compliance.&middot; Knowledge of water‑network hydraulics, pipeline sizing, and pressure management.&middot; Experience using PIPENET or similar tools for hydraulic modeling.&middot; Familiarity with SCADA, IoT sensors, and real‑time monitoring for smart water networks.&middot; Knowledge of leak detection technologies and non-revenue water (NRW) reduction strategies.&middot; Understanding water reuse, nutrient recovery, and energy capture.&middot; Mechanical design of high‑pressure pipelines, pump housings, and treatment‑unit components.&middot; Ability to interpret drawings, P&amp;IDs, and mechanical schematics.&middot; Experience with pilot‑unit fabrication, commissioning, and troubleshooting.&middot; Familiarity with relevant standards and codes (e.g., AWWA, ASME, ISO 24512) for water infrastructure design&middot; Understanding activated sludge, nutrient removal, and sludge processes.&middot; Experience with MBRs, membrane fouling, and cleaning strategies.&middot; Knowledge of adsorption, photocatalysis, and advanced oxidation processes.&middot; Familiarity with water‑quality parameters and contaminant‑removal mechanisms.&middot; Ability to translate research into engineered systems and prototypes.&middot; Strong analytical, communication, and documentation skills.&middot; Ability to work across multiple projects and interdisciplinary teams&middot; Experience preparing technical reports, reviewing grant proposals, or regulatory submissionsQualifications&middot; Degree in Environmental, Chemical, Water Resources, or Mechanical Engineering with relevant industry experienceExperience&middot; 6 to 10 years of relevant research/engineering experience in an industry setting&middot; Demonstrated working knowledge in concept prototyping, skid mounted pilot plants and product development.&middot; Execute technology transfer projects, resolve processing issues, and conduct technical assessments on process/product impact due to changes in equipment, scale, and raw materials.&middot; Experience analyzing engineering diagrams, specifications, related data, and drawings to determine design factors such as scale, shape, and arrangement of unit operations.&middot; Experience with desalination process design, membrane technologies, or thermal systems.&middot; Experience in water distribution system engineering, hydraulics, or pipeline design.&middot; Demonstrated experience executing technology transfer or research translation projects, including resolving processing issues and assessing impact of changes in equipment, scale, or raw materials.&middot; Proven ability to interpret and produce engineering diagrams, mechanical layouts, and water‑process unit operations.&middot; Industry experience ensuring systems are reliable, manufacturable, and cost‑efficient.&middot; Knowledge of technology readiness levels, prototyping methodologies, and translational research pathways.Work Location: In person

Research Translation Engineer - Water Desalination and Distribution

Hill International

<div>In this role, you will be responsible for supporting the design management of water, wastewater treatment, pumping stations, and desalination projects. You will work closely with the Project Manager to ensure design deliverables are completed on time, meet client requirements, and align with overall project objectives.
You will coordinate with design consultants and internal teams, monitor progress, and review technical submissions to ensure quality and compliance. The role also involves analyzing design plans, supporting decision-making through technical evaluations, and contributing to sustainability initiatives within the design process.
Additionally, you will assist in pre- and post-contract activities, collaborate with cross-functional teams, and provide regular updates and reports to project management and clients, ensuring all work adheres to company standards and industry best practices.</div>
 <div><ul><li>Senior Design Engineer is required to combine their technical experience and knowledge for the management of Water / Wastewater Treatment Plant, pumping stations and desalination plant design by the client&rsquo;s design consultants for Regional Infrastructure Water Projects
</li><li>Support the Project Manager in managing and delivering the design in accordance with the Program and the requirements of the client.
</li><li>Support managing the team of design engineers/consultants.
</li><li>Coordinate and monitor the development of the design consultant&rsquo;s planned activities and provide progress reports to Design Project Management, highlighting performance to plan.
</li><li>Plan and organize the review of the design consultant&rsquo;s deliverables, interfacing with subject matter experts and design review teams.
</li><li>Perform analysis on design plans.
</li><li>Review analysis findings for technical and business reports.
</li><li>Set up green initiatives in design processes.
</li><li>Specify proper analytical methods which support decision-making.
</li><li>Provide quality assessment reports to Project Management and the client.
</li><li>Assist the Contracts Department and Construction teams in pre-construction and post contract award activities.
</li><li>Informs themselves of the relevant Quality, Environmental, Safety and Occupational Health Policies, Manuals and Procedures in place within Hill International, and ensures continued compliance with these requirements while employed by Hill.
</li><li>Perform other duties as assigned by the line manager/supervisor.</li></ul></div>
 <div><ul><li>Bachelor / Master of engineering or from an accredited university.
</li><li>Minimum 15 years&rsquo; experience after graduation
</li><li>Minimum of 10 years of design experience related to water and wastewater projects
</li><li>Knowledge of water and wastewater master plan
</li><li>Ability to review and approve design related to water and wastewater works.
</li><li>Excellent verbal and written communication skills</li></ul></div>

Senior Design Engineer (Central) - (Saudization)

MEA Water Solution LLC

The Operations Engineer will be responsible for overseeing the daily operation, maintenance, and performance of water treatment and waste management systems. The role involves ensuring system efficiency, regulatory compliance, and timely execution of projects while maintaining high standards of safety and quality.Key Responsibilities:<ul><li>Operate and monitor water treatment systems such as RO plants, filtration units, and wastewater treatment systems.</li><li>Ensure smooth day-to-day operations and troubleshoot any technical issues promptly.</li><li>Conduct routine inspections, preventive maintenance, and performance checks of equipment.</li><li>Coordinate with suppliers, technicians, and internal teams for operational activities and service requirements.</li><li>Maintain accurate records of system performance, maintenance logs, and operational reports.</li><li>Ensure compliance with local environmental and safety regulations in Dubai/UAE.</li><li>Support installation, commissioning, and testing of new systems and equipment.</li><li>Optimize system performance to improve efficiency and reduce operational costs.</li><li>Handle client communication related to service updates, maintenance schedules, and issue resolution.</li><li>Assist in preparing technical documentation, reports, and proposals when required.</li></ul>Qualifications &amp; Requirements:<ul><li>Bachelor&rsquo;s Degree in Mechanical, Chemical, Environmental Engineering, or related field.</li><li>2&ndash;5 years of experience in water treatment or wastewater management operations.</li><li>Hands-on experience with RO systems, filtration, dosing systems, and wastewater treatment plants.</li><li>Knowledge of UAE environmental regulations and safety standards is an advantage.</li><li>Strong problem-solving and technical troubleshooting skills.</li><li>Good communication and coordination abilities.</li><li>Ability to work under pressure and manage multiple tasks efficiently.</li><li>UAE driving license is preferred.</li></ul>Key Skills:<ul><li>Water Treatment Systems Operation</li><li>Preventive Maintenance</li><li>Troubleshooting &amp; Problem Solving</li><li>Regulatory Compliance</li><li>Reporting &amp; Documentation</li><li>Team Coordination</li></ul>Working Conditions:<ul><li>Based in Dubai with site visits as required.</li><li>May involve fieldwork and handling operational equipment.</li><li>Flexible working hours depending on project/site requirements.</li></ul>Work Location: In person

Sales Engineer for Water treatment operations

TAQA Arabia

<div>
 
 Job Description
 
 
 
 <ul>
 <li>
 Perform the Process Design &amp; Equipment Selection for RO Desalination Projects.
 </li>
 <li>
 Perform Detailed Process Design Package [Hydraulic, Mechanical &amp; Chemical] Calculations.
 </li>
 <li>
 Prepare Layouts, Process Flow Diagrams [PFD], Process &amp; Instrumentation Diagrams [P&amp;ID].
 </li>
 <li>
 Develop the Control Philosophy for the Operation of RO Water Desalination Projects.
 </li>
 <li>
 Prepare Full Project Deliverables Package [BOM] to be Procured through the Procurement Department.
 </li>
 <li>
 Monitor &amp; Control the Internal Backoffice Operations to Ensure the Successful Operation of Desalination Plants.
 </li>
 <li>
 Interface with Other Internal Engineering Disciplines [Electrical/Mechanical/Civil/Automation/Architecture] to Ensure Coordinated Designs &amp; Complete Engineering Deliverables.
 </li>
 <li>
 Study Process Problems, Analyzing Issues &amp; Performs Necessary Design Corrective Modifications.
 </li>
 <li>
 Follow Up on the Inside/Outside Repair Services for the Defected Equipment.
 </li>
 <li>
 Prepare the Technical/Financial Proposals During the tendering Phase of the Desalination Projects.
 
 
 
 </li>
 </ul>
 
 Job Requirements
 
 
 
 <ul>
 <li>
 Engineering bachelor's degree (Mechanical Power\Electrical Engineering).
 </li>
 <li>
 Overall Graduation Grade is Very good.
 </li>
 <li>
 Career Level: Entry Level (Junior Level / Fresh Grad)
 </li>
 <li>
 Expertise in Water Treatment [0-1 Years]
 </li>
 <li>
 Process Design and Process Engineering Skills
 </li>
 <li>
 Excellent English command.
 </li>
 <li>
 Ability to Work Collaboratively in a Team Environment
 </li>
 <li>
 Excellent Communication and Presentation skills
 
 </li>
 </ul>
</div>

Process Design Engineer

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