HITACHI AQUA-TECH ENGINEERING PTE. LTD. Hiring! Full Time Proposal Manager in East Region (Singapore), Earn up to SGD 8,000 - Ricebowl

Role Purpose

We are seeking an experienced Proposal Manager to lead the preparation and submission of competitive water treatment project proposals, with a strong focus on the oil & gas, marine, offshore, industrial, hotel, and resort sectors.

The role combines technical, commercial, and leadership responsibilities, including managing a team of proposal engineers, reviewing technical solutions, optimizing costs, coordinating stakeholders, supporting client discussions, and contributing to business growth.

Key Responsibilities

Proposal Management

• Lead the entire proposal process from RFQ/RFP review through submission and handover.
• Manage proposals for:
• - Freshwater makers (RO and distillation)
• - Seawater treatment systems
• - Produced water and slop water treatment systems
• - Wastewater treatment systems
• - Packaged/skid-mounted water treatment systems
• Ensure proposals meet client requirements, are commercially competitive, and are submitted on time.
• Review specifications, scope of work, schedules, and commercial terms.

Technical & Commercial Leadership

• Provide technical guidance to proposal engineers.
• Review process design, equipment selection, and technical compliance.
• Drive value engineering and cost optimization initiatives.
• Review costing to ensure accuracy, profitability, and risk management.
• Identify potential technical, commercial, and contractual risks.

Client, Vendor & Stakeholder Management

• Participate in client clarifications and negotiations on technical and commercial matters.
• Coordinate with internal teams including Engineering Procurement, QA/QC, Project Management, and Finance.
• Manage relationships with vendors and suppliers to obtain competitive and compliant quotations.
• Monitor market trends, pricing, and technology developments.

Team Leadership & Development

• Lead and mentor a team of approximately 6–8 proposal engineers.
• Assign proposal responsibilities, monitor progress, and manage workloads.
• Develop team capabilities in proposal preparation, technical review, costing, and client communication.
• Promote a culture of accountability, collaboration, and continuous improvement.

Business Development Support

• Support business development activities by identifying new applications and market opportunities.
• Provide technical-commercial input for budgetary proposals, feasibility studies, and pre-qualification submissions.
• Contribute market intelligence and customer insights to support company growth.

Requirements

• Bachelor’s Degree in Chemical Engineering, Environmental Engineering, Mechanical Engineering, Process Engineering, or a related discipline.

Experience

• Minimum 15 years of relevant experience in water treatment, environmental engineering, oil & gas, marine/offshore, industrial water systems, or packaged equipment projects.
• Proven experience in proposal management, technical review, costing, vendor management, and client negotiations.
• Prior experience in oil & gas, EPC, offshore, marine, FPSO, or shipyard projects is highly preferred.
• Experience leading and developing proposal engineering teams.

Technical Knowledge

Good knowledge of:

• Seawater reverse osmosis (SWRO)
• Freshwater makers (RO and distillation)
• Filtration systems
• Chemical dosing systems
• Produced water treatment
• Slop water treatment
• Wastewater treatment
• Packaged/skid-mounted water treatment systems

Key Competencies

• Technical-commercial proposal management
• Water treatment process expertise
• Costing, margin, and risk management
• Value engineering mindset
• Leadership and people development
• Client and stakeholder management
• Vendor and supplier coordination
• Strong communication and presentation skills
• Ability to manage multiple bids under tight deadlines