Product Support Manager

LOCATION: Hybrid, Domnick Office, Yannawa, Bangkok

CONTRACT TYPE: Full-time 

HIRING MANAGER: Preecha Peerasuwan

Product Support Manager (Water Treatment) will lead technical and commercial support activities for water and wastewater treatment solutions while driving business growth and customer satisfaction. This role serves as the key link between technical engineering requirements and customer needs, ensuring effective solution design, project execution, and seamless pre- and post-sales support.

You will act as a subject matter expert in water and wastewater treatment systems, supporting sales teams with product specifications, technical guidance, project planning, and customer engagement. Working closely with internal stakeholders and clients, you will help deliver tailored treatment solutions, strengthen customer relationships, and contribute to the achievement of sales targets and business objectives.

Responsibilities

• Generate leads, identify business opportunities, and support the achievement of sales targets for water and wastewater treatment solutions.
• Conduct site surveys and customer visits to understand operational requirements and recommend suitable treatment systems.
• Provide expert guidance on product specifications, treatment processes, and solution design.
• Support Sales Engineers and Technical Sales teams with technical expertise during customer meetings, presentations, and demonstrations.
• Prepare Bills of Quantities (BOQ), internal quotations, and technical proposals to support sales activities.
• Review customer requirements and prepare material submittals for approval following receipt of purchase orders.
• Develop and submit detailed drawings and technical documentation for customer approval upon project finalization.
• Prepare project plans and coordinate resources to ensure successful project implementation.
• Supervise contractors and monitor project execution to ensure compliance with quality, safety, and performance standards.
• Prepare as-built drawings and project documentation upon project completion.
• Handle customer inquiries, requests, and complaints, ensuring timely and effective resolution.
• Build and maintain strong relationships with existing and prospective clients to enhance business opportunities.
• Collaborate closely with cross-functional teams to ensure smooth project delivery and customer satisfaction.
• Deliver product demonstrations, technical presentations, and training sessions to customers and internal sales teams.
• Attend department, division, and team meetings, contributing to business planning and sales strategy discussions.
• Prepare and submit weekly activity reports, project updates, and customer visit summaries to management.
• Perform other duties and responsibilities as assigned.

Candidate Requirements

Essential Skills & Experience

• Minimum 8 years of experience in the water and wastewater treatment industry.
• Proven experience in project management, preferably within water treatment projects.
• Strong understanding of water and wastewater treatment processes, systems, and applications.
• Experience with computer-aided design (CAD) and drafting tools.
• Strong problem-solving, analytical, and decision-making capabilities.
• Excellent interpersonal, communication, and stakeholder management skills.
• Strong customer service orientation with the ability to build long-term client relationships.
• High ethical standards, reliability, and accountability.

Desirable Skills & Experience

• Experience in technical sales, solution selling, or business development within the water treatment sector.
• Ability to work in fast-paced and demanding environments while maintaining high-quality standards.
• Strong service-minded attitude with a commitment to delivering exceptional customer satisfaction.
• Proven ability to identify new business opportunities and contribute to market growth initiatives.

About Us

Domnick Thailand, part of RS Group since 2022, is a leading provider of compressed air, gas generation, and water treatment solutions with over 30 years of industry expertise.We support customers across high-growth industries including Electronics, Food & Beverage, Pharmaceuticals, Medical Devices, and Manufacturing by delivering end-to-end engineering solutions, from system design and installation through to commissioning and after-sales support.

As part of RS Group, a global omnichannel solutions provider supporting industrial customers worldwide, Domnick continues to expand its presence and technical capabilities throughout the Asia-Pacific region.

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