Jaruwan Sangsri
Senior Sales Engineer
Sumare
Summary
Multilingual customer service and sales professional with over 10 years of experience supporting clients across Asia-Pacific in technical sales, logistics, and service coordination. Skilled in managing client requests, resolving issues, and building strong relationships across diverse industries. Adept at working remotely, learning new systems quickly, and delivering seamless customer experiences. Passionate about travel and committed to helping clients plan memorable journeys.
Overview
16
16
years of professional experience
Work History
Senior Sales Engineer (Export)
Regal Rexnord Thailand
10.2025 - Current
- Develop a deep understanding of the market landscape, including competitors, industry trends, and customer needs to identify new business opportunities.
- Build strong relationships with customers, providing support and resources to enhance our sales and new products expansion
- Proactively hunt for new clients in Southeast Asia
- Collaborate with distributors on sales strategies to expand our market share in the region or key account.
- Follow update sale forecast with OEMs as A customers, uploads data on system, then follow purchasing order from customers to achieve their forecast accuracy.
- By quarterly update new price by submit quotation and proceed follow new order from customer.
- Arrange recurring meeting with our key customers to update status on price, update customer’s sale forecast, our delivery status and follow as invoice and payment issue, etc
- RHVAC
Senior Sales Engineer (Industrial Solution, Dust collector equipment)
Donaldson Filtration
01.2024 - 09.2025
- Build strong relationships with current distributors to ensure long-term success.
- Expand business opportunities and collaborate on sales strategies with existing distributors.
- Provide training to distributors, enhancing their product knowledge and sales techniques.
- Identify and recruit new distributors to expand into new business segments.
- Manage direct relationships with strategic accounts, particularly in the food & beverage, aerospace, automotive, and chemical industries.
- Foster collaboration and communication to meet sales targets and business goals across multiple industries.
- Thailand
Senior Sales Engineer. (Axial fans for RHVAC)
Multi-Wing
01.2022 - 12.2023
- Conduct market visits, manage key accounts, track new projects, influence product specifications, and set new business targets for the team to ensure targeted growth is achieved, particularly within the food & beverage, radiator, oil & gas, and ventilation OEM sectors.
- Develop strong customer relationships and build trust in products, focusing on the food & beverage, radiator, oil & gas, and ventilation OEM industries.
- Explain technical product information and provide support to the sales team in these key sectors.
- Gather insights on customer needs, market trends, and competition. Analyze competitive dynamics and market trends, including market size, market share, customer segments, buying factors, and competitive positioning within the food & beverage, radiator, oil & gas, and ventilation OEM markets. Conduct market research and analysis to develop feasible business strategies and plans.
- Thailand
Sales Engineer
Multi-Wing
09.2018 - 01.2021
- Ensure Sales targets are achieved.
- Provide sales quotation, customer product training and presentations.
- Explaining technical information of the products.
- Follow up on sales inquiries and product updates.
- Plan sales visits, customer calls, update summary sales report and action plan.
- Provide the management with up-to-date information and key customer issues and customer's feedback.
- Find new potential customers and maintain existing customer satisfaction.
- Experience in refrigeration, ventilation, engine cooling, oil & gas and poultry ventilation.
- Thailand
Customer Service Executive
Multi-Wing
08.2016 - 09.2018
- Find new potential customers, handle new inquiries and follow up with customers. To generate profitable orders and meet or exceed the annual sales targets.
- Management of existing customers and to expand customer relationship.
- Procurement process including proposal support, handling quotation, order placement, purchase order, logistic and oversea support.
- Inventory management, BOM products configuration.
- Project management (Company set-up)
- Actively participate in customers complaint.
- S.E.A
Gap Year
04.2015 - 05.2016
- Moved aboard to study language (Melbourne, Australia)
- General English Unit for all ELICOS courses.
- IELTS for all ELICOS course.
Procurement Engineer
Hightec Technology & Eng.
06.2014 - 12.2014
- Managed end-to-end procurement process including vendor selection, negotiation and contract management.
- Coordinated with engineering, sales, and project teams to align purchasing with technical requirements.
- Maintained supplier relationships to secure favorable terms and reliable delivery schedules.
- Conducted market research and cost analysis to optimize sourcing strategies.
- Preparing documentation for maintenance handover and data sheets.
- Thailand
- Hightec is a Japanese organization that specializes in design and manufacture Spray Painting & Drying Room-Constructors.
Design Engineer
Teral Thai
08.2012 - 05.2014
- Design, layout and assembly of pumps and fans.
- Preparing part list for assemble process.
- Thailand
- Teral is a Japanese organization that specializes in design and manufacture of Industrial pumps, Water supply units, Industrial fans and Coolant filtration equipment.
Unithai Shipyard Ltd.
03.2010 - 05.2010
- Key Learnings: Yard Service and Yard Development.
- CAD design
- Preventive maintenance methodology.
- Thailand
Education
Certificate of English - CEFR Levels B2
Ability English School
Australia01-2016
Bachelor’s Degree - Mechanical Engineering
Kasetsart University
Bangkok, Thailand01-2012
Skills
Proficient in Microsoft Office, Dynamics AX2012, CRM, Solid Works, Auto CAD, HICAD
Thai (Native), Fluency in English (IELTS 60), Portuguese (Beginner)
Strong in interpersonal & negotiation skills
Team player and able communicator
Technical knowledge of pumps and fans and their industrial usage
International experience and intercultural mindset through studying and working abroad
Possess driving license
Additional Information
Experienced in remote collaboration with international teams.
• Strong background in client-facing roles, procurement, and logistics.
• Enthusiastic about travel, cultural exploration, and connecting with diverse communities.
Timeline
Senior Sales Engineer (Export)
Regal Rexnord Thailand
10.2025 - Current
Senior Sales Engineer (Industrial Solution, Dust collector equipment)
Donaldson Filtration
01.2024 - 09.2025
Senior Sales Engineer. (Axial fans for RHVAC)
Multi-Wing
01.2022 - 12.2023
Sales Engineer
Multi-Wing
09.2018 - 01.2021
Customer Service Executive
Multi-Wing
08.2016 - 09.2018
Gap Year
04.2015 - 05.2016
Procurement Engineer
Hightec Technology & Eng.
06.2014 - 12.2014
Design Engineer
Teral Thai
08.2012 - 05.2014
Unithai Shipyard Ltd.
03.2010 - 05.2010
Bachelor’s Degree - Mechanical Engineering
Kasetsart University
Certificate of English - CEFR Levels B2
Ability English School