Design & Proposal Engineer

About the role

Ecolab is seeking a Design & Proposal Engineer to lead the development of technical and commercial proposals for water treatment projects. You will work closely with sales, engineering, and client teams to deliver competitive, high‑quality solutions across a range of treatment technologies.

Key responsibilities

• Prepare technical and commercial proposals for water treatment systems (ETP, STP, RO, MBBR, UF, ZLD, UPW, etc.).
• Review tender documents, specifications, and client requirements to define project scope.
• Develop process flow diagrams, equipment sizing, and preliminary layouts.
• Provide technical clarifications during bidding and negotiation stages.
• Support sales teams with technical presentations and solution explanations.
• Prepare detailed cost estimates covering equipment, materials, manpower, and subcontracting.
• Optimize solutions to balance performance, cost, and competitiveness.
• Liaise with vendors and suppliers for technical and commercial quotations.
• Prepare BEP and post‑order documents, coordinate with client/consultant, and obtain engineering approval.
• Participate in international projects across diverse geographies.

Required profile

• Bachelor’s degree in Chemical, Mechanical or Environmental Engineering.
• Minimum 10 years of experience in proposal and process engineering within the water/wastewater treatment industry.
• Fluent in Arabic and English.

Required skills

• Proficiency with design software such as Waves and IMSD.
• Strong knowledge of treatment processes (RO, MBBR, UF, ETP, MBR, UPW, ZLD, STP).
• Advanced use of MS Office (Excel, PowerPoint, Word) and AutoCAD.
• Excellent analytical, problem‑solving and communication abilities.