Proposal Engineer - Mechanical (Water & Wastewater)

Proposal Engineer – Mechanical (Water & Wastewater)

The Proposal Engineer (Mechanical) is responsible for preparing competitive and compliant technical and commercial proposals for water and wastewater treatment projects.

Key Responsibilities

• Review tender documents (RFP, ITT, BOQ, specifications, drawings) related to water and wastewater projects.
• Prepare complete technical proposals covering mechanical scope such as pumping systems, piping, valves, treatment equipment, and mechanical packages.
• Coordinate with civil, electrical, instrumentation, and process teams to ensure integrated and compliant proposals.
• Prepare clarifications, deviations, and compliance statements as required.

Mechanical Engineering & Design Support

• Develop preliminary mechanical designs, layouts, and equipment sizing based on tender requirements.
• Evaluate mechanical system concepts for WTP, STP, TSE, desalination, and pumping station projects.
• Ensure compliance with international codes and standards (ISO, ASME, AWWA, API, etc.).

Costing & Commercial Inputs

• Prepare mechanical BOQs and cost estimates.
• Obtain quotations from vendors and subcontractors and conduct techno-commercial evaluations.
• Support value engineering and cost-optimization exercises.

Vendor & Subcontractor Coordination

• Liaise with OEMs and suppliers for pumps, blowers, mixers, screens, valves, and other mechanical equipment.
• Review vendor technical submissions for compliance with tender specifications.

Documentation & Submission

• Compile proposal documents including data sheets, method statements, equipment lists, and drawings.
• Ensure timely submission of tenders in coordination with the proposal team.
• Maintain tender records, cost databases, and lessons‑learned documentation.

Qualifications

Educational Qualification

• Bachelor’s Degree in Mechanical Engineering (mandatory).

Experience

• Minimum 4‑6 years of experience in proposal / tender engineering for Water & Wastewater projects.
• Proven experience in preparing bids for:
  • Water Treatment Plants (WTP)
  • Sewage Treatment Plants (STP)
  • Pumping Stations
  • RO Plants
  • TSE / Industrial wastewater projects
• Experience in GCC / Middle East projects is an added advantage.

Technical Skills

• Strong knowledge of mechanical systems in water and wastewater treatment.
• Familiarity with pumps, piping systems, valves, screens, blowers, mixers, and treatment equipment.
• Ability to read and interpret P&IDs, GA drawings, and specifications.
• Knowledge of relevant standards and codes (AWWA, ISO, ASME, API).

Proposal & Commercial Skills

• Experience in BOQ preparation, cost estimation, and vendor evaluation.
• Ability to prepare clear compliance matrices, deviations, and clarifications.
• Understanding of contract conditions and tender commercial requirements.

Software Skills

• Proficiency in MS Excel, Word, PowerPoint.
• Working knowledge of AutoCAD (preferred).
• Experience with estimation tools or ERP systems is an advantage.

Competencies & Personal Attributes

• Strong analytical and problem‑solving skills.
• Good written and verbal communication skills.
• Ability to work under tight tender deadlines.
• Detail‑oriented with strong document control skills.
• Team player with coordination capability across disciplines.