Job Description

Location: Yannawa, Bangkok

Are you passionate in supporting teams and ensuring operations run smoothly Join us as a Service Administrative Assistant and play a key role in supporting the Service Department through effective coordination, documentation management, and administrative excellence.

What You'll Be Doing

Provide administrative support and facilitate the day-to-day activities of the Service team.
Prepare service-related correspondence, letters, and documentation as assigned.
Manage rental documentation and ensure timely processing for clients.
Prepare local parts purchase requisitions and spare parts quotations.
Review, acknowledge, and process clients purchase orders.
Maintain and update service databases, including records of suppliers, clients, and projects.
Track and summarize service quotations, purchase orders, and gross sales records.
Manage service petty cash, including disbursement and clearing processes.
Coordinate with internal departments to ensure smooth communication and documentation flow.
Attend department meetings and prepare accurate meeting minutes.
Build and maintain positive relationships with clients and suppliers through excellent customer service.
Support additional departmental and administrative tasks as required.

What We're Looking For

Experience: At least 1–2 years of experience in an administrative, coordination, or support role.
Education: Bachelor's Degree in Management, Accounting, Business Computing, or a related field.
Skills: Strong interpersonal and teamwork skills with a customer-focused mindset.
Good command of English, both written and spoken.
Proficiency in Microsoft Office applications, Power BI, or Google Looker Studio.
Strong organizational skills with attention to detail and accuracy.

Nice to Have

Strong problem-solving and decision-making capabilities.
Ability to multitask, prioritize workload, and manage time effectively.
High level of integrity, reliability, and accountability.
Experience supporting service, engineering, or technical teams.

Why Join Us

Attractive incentives plan
Opportunities for career growth and professional development.
A collaborative, supportive team culture.
The chance to make a real impact on business success.

Domnick Thailand is a leading specialist in compressed air, gas, and water treatment solutions in Thailand, with over 30 years of expertise. Founded in 1993, Domnick became part of RS Group in 2022. We play a key role in strengthening the Group's service-led solutions and expanding its presence across the Asia-Pacific region. We serve high-precision industries such as electronics, food & beverage, and pharmaceuticals, delivering end-to-end solutions—from system design and installation to commissioning and after-sales support. We are experts in air management, delivering guaranteed performance from compressed air systems through to end-use outcomes. We are committed to producing clean compressed air in accordance with ISO 8573-1:2010 standards, as well as providing gas generation systems and high-quality water treatment solutions that meet internationally recognized standards. With over three decades of experience serving leading industries, we have earned strong customer trust—particularly in sectors that demand the highest quality standards for compressed air, gas, and water systems.

We are looking for motivated individuals who are ready to grow with us and contribute to delivering high-quality engineering solutions. If you are passionate about industrial technologies and customer-focused service, Domnick Thailand is the place for you.