Lower Line Supervisor/Shift Manager Trainee

Guardian Glass
📍 Rayong, Rayong, Thailand 💼 Full-time 🕒 Posted February 25, 2026

Job Description

Your Job

We are looking for contribution motivated talents to be part of our dynamic team with great career development plan in our Rayong plant.

Our Team

You will be working with operations team, reporting directly to Lower Line Leader.

What You Will Do

This program aims to develop young talents to be our future Shift manager. Selected talents will get a chance to join extensive training, expand their knowledge in real life business operations while getting coached and mentored by our professional team. Sample of duties/responsibilities are as follow.

  • Coordinate and follow up the task list from both WH&SP and Cold End Department.
  • Work with shift manager on safety, quality and performance improvement.
  • Maintain process stability and reliability. - Improve and support standardized work.
  • PBM role model by connecting the shop floor with company values.
  • Who You Are (Basic Qualifications)

    Ready to Apply?

    Submit your application today and join our talented team at Guardian Glass.

    Submit Application

    Job Details

    • Location Rayong, Rayong
    • Job Type Full-time
    • Category Supervisors of Production Workers
    • Posted Date February 25, 2026
    • Application Deadline April 06, 2026