Responsible for carrying out construction and maintenance activities in refractory masonry to ensure efficient and safe execution of projects, covering various areas of the company. Execute refractory masonry using construction techniques. Perform concrete pouring according to structural designs. Lay ceramic linings using refractory mortar. Install windows and doors according to specifications. Carry out plaster finishing and painting. Execute hydraulic and electrical installations according to technical standards. Keep the workplace clean and organized. Follow safety regulations and operational procedures during task execution. Participate in training and qualification programs for technical updates. Use personal protective equipment (PPE) as instructed. Contribute to continuous improvement of construction processes. Education: Completed high school plus professional qualification course in the field Certification: n/a Experience: 6 months to 01 year