Application Engineer/Proposal Engineer

Aquatech Pacific Holdings Pte Ltd; Região Norte; On-site; BRL 120,000 - 240,000; Full time

Job summary

Aquatech is seeking an Application Engineer / Proposal Engineer to translate customer requirements into technically sound, commercially competitive solutions. The role blends process design, proposal preparation, market research, cost estimation, vendor engagement, and technical sales support.

You will review tender specs, prepare technical and commercial proposals, develop cost estimates, coordinate with suppliers and Aquatech global teams, and support cross-functional project development from

Qualifications

• Degree in Chemical, Environmental Engineering, or a related engineering discipline.
• Strong knowledge in water, wastewater engineering and technologies.
• Ability to interpret technical specifications and prepare engineering calculations, equipment selections, cost estimates, and professional proposals.
• Proficiency in Microsoft Excel, Word, and PowerPoint; familiarity with CAD, process design, or engineering calculation tools is an advantage.
• Strong written and spoken English, with the ability to communicate clearly with customers, suppliers, colleagues, and management.
• Can-do attitude: Approaches challenges positively, proposes practical solutions, and follows through on commitments.
• Cross-functional willingness: Able and willing to contribute beyond a single functional area, learn unfamiliar tasks, and adapt to assigned duties and changing priorities.
• Ownership and accountability: Takes responsibility for quality, accuracy, deadlines, and timely escalation of issues.

Responsibilities

• Review customer requirements, tender specifications, operating conditions, and available technical information; clarify design assumptions and identify information gaps.
• Develop process concepts, design calculations, equipment sizing, and technical specifications, including process flow diagrams, mass balances, utility requirements, and preliminary piping and instrumentation diagrams, where applicable.
• Evaluate alternative solutions and recommend appropriate designs based on performance, reliability, operability, safety, and cost; coordinate design reviews and identify technical risks.
• Prepare clear, accurate technical and commercial proposals, tender submissions, presentations, and responses to customer enquiries.
• Define the scope of supply, performance requirements, deliverables, assumptions, exclusions, project schedule, and interfaces with customers and other parties.
• Coordinate internal inputs and approvals, address technical clarifications, and support an orderly handover of awarded projects to the execution team.
• Prepare cost estimates covering equipment, materials, engineering, installation, logistics, commissioning, and other relevant project costs.
• Obtain and evaluate supplier quotations; assess scope completeness, lead times, commercial terms, contingencies, and cost risks.
• Develop cost breakdowns and support pricing recommendations, value engineering, and margin reviews in accordance with management guidance and approval requirements.
• Coordination and work with Aquatech global entities and teams for technical, commercial proposal preparation.
• Research target markets, customer needs, industry trends, competitor offerings, and emerging technologies relevant to the company's solutions.
• Identify potential customers, projects, and business opportunities; prepare concise market insights to support project development and sales planning.
• Maintain relevant market and opportunity information and share findings with management and the sales team.
• Identify, engage, and evaluate equipment suppliers, subcontractors, and technology partners against technical and commercial requirements.
• Issue requests for quotation, resolve technical queries, compare offers, and support negotiations on scope, pricing, delivery, and terms.
• Build constructive supplier relationships and maintain organised records of quotations, product information, and vendor capabilities.
• Support customer meetings, site visits, solution presentations, technical discussions, and proposal follow-up activities.
• Work with sales, engineering, procurement, and project teams to align customer expectations with proposed solutions and delivery capabilities.
• Undertake related assignments across functions as directed by the Project Development Manager and Senior VP, taking ownership and seeking guidance when needed.

Skills

Process engineering

Proposal development

Cost estimation

Vendor engagement

Technical sales support

English communication

Education

Chemical or Environmental Engineering degree

Tools

Microsoft Excel

PowerPoint

CAD

Job description

About the role

The Application Engineer / Proposal Engineer supports project development and business growth by translating customer requirements into technically sound, commercially competitive solutions. The role combines process design, proposal preparation, market research, cost estimation, vendor engagement, and technical sales support. This is a hands-on, cross-functional position suited to a proactive individual with a can-do attitude, sound engineering judgment, and the willingness to contribute across functional areas as required by assigned duties and project priorities.

Key Duties & Responsibilities

Process and Application Engineering

• Review customer requirements, tender specifications, operating conditions, and available technical information; clarify design assumptions and identify information gaps.
• Develop process concepts, design calculations, equipment sizing, and technical specifications, including process flow diagrams, mass balances, utility requirements, and preliminary piping and instrumentation diagrams, where applicable.
• Evaluate alternative solutions and recommend appropriate designs based on performance, reliability, operability, safety, and cost; coordinate design reviews and identify technical risks.

Proposal and Tender Preparation

• Prepare clear, accurate technical and commercial proposals, tender submissions, presentations, and responses to customer enquiries.
• Define the scope of supply, performance requirements, deliverables, assumptions, exclusions, project schedule, and interfaces with customers and other parties.
• Coordinate internal inputs and approvals, address technical clarifications, and support an orderly handover of awarded projects to the execution team.

Costing and Proposal Preparation

• Prepare cost estimates covering equipment, materials, engineering, installation, logistics, commissioning, and other relevant project costs.
• Obtain and evaluate supplier quotations; assess scope completeness, lead times, commercial terms, contingencies, and cost risks.
• Develop cost breakdowns and support pricing recommendations, value engineering, and margin reviews in accordance with management guidance and approval requirements.
• Coordination and work with Aquatech global entities and teams for technical, commercial proposal preparation.

Market Research and Opportunity Development

• Research target markets, customer needs, industry trends, competitor offerings, and emerging technologies relevant to the company's solutions.
• Identify potential customers, projects, and business opportunities; prepare concise market insights to support project development and sales planning.
• Maintain relevant market and opportunity information and share findings with management and the sales team.

Vendor and Partner Engagement

• Identify, engage, and evaluate equipment suppliers, subcontractors, and technology partners against technical and commercial requirements.
• Issue requests for quotation, resolve technical queries, compare offers, and support negotiations on scope, pricing, delivery, and terms.
• Build constructive supplier relationships and maintain organised records of quotations, product information, and vendor capabilities.

Technical Sales and Cross-Functional Support

• Support customer meetings, site visits, solution presentations, technical discussions, and proposal follow-up activities.
• Work with sales, engineering, procurement, and project teams to align customer expectations with proposed solutions and delivery capabilities.
• Undertake related assignments across functions as directed by the Project Development Manager and Senior VP, taking ownership and seeking guidance when needed.

About you

• Degree in Chemical, Environmental Engineering, or a related engineering discipline.
• Strong knowledge in water, wastewater engineering and technologies.
• Ability to interpret technical specifications and prepare engineering calculations, equipment selections, cost estimates, and professional proposals.
• Proficiency in Microsoft Excel, Word, and PowerPoint; familiarity with CAD, process design, or engineering calculation tools is an advantage.
• Strong written and spoken English, with the ability to communicate clearly with customers, suppliers, colleagues, and management.
• Can-do attitude: Approaches challenges positively, proposes practical solutions, and follows through on commitments.
• Cross-functional willingness: Able and willing to contribute beyond a single functional area, learn unfamiliar tasks, and adapt to assigned duties and changing priorities.
• Ownership and accountability: Takes responsibility for quality, accuracy, deadlines, and timely escalation of issues.

About us

Aquatech is a global leader in water purification, wastewater treatment, water reuse, and process technologies serving industrial and infrastructure customers worldwide. With operations across Asia, North America, the Middle East, and Europe, Aquatech delivers innovative solutions that enable sustainable industrial growth through efficient water management.