Lab Supervisor

PT Daya Mineral Alam; Kalimantan Barat; On-site; IDR 120,000,000 - 180,000,000; Full time

Job summary

PT Daya Mineral Alam seeks an experienced Lab Supervisor to manage daily lab activities and deliver accurate, timely analytical results for mining operations. You will oversee sample prep, testing, equipment, QA/QC, and personnel, focusing on bauxite and mineral quality analysis.

The role requires a Bachelor’s in Chemistry or a related field and at least 3 years in mining or analytical labs, with a preference for candidates with supervisory experience and XRF/AAS/ICP proficiency.

Qualifications

• Bachelor's degree required in a related technical discipline.
• Minimum 3 years of experience in mining/mineral/analytical lab.
• Experience supervising laboratory personnel preferred.
• Experience in bauxite mining or mineral testing labs strongly preferred.
• Familiarity with XRF, AAS, or ICP.
• Understanding of QA/QC and data validation.

Responsibilities

• Supervise daily laboratory operations, including sample receipt, preparation, testing, analysis, and reporting.
• Ensure testing is conducted according to approved methods, SOPs, quality standards, and requirements.
• Oversee sample preparation and testing for bauxite and other mining materials.
• Review and validate laboratory results for accuracy, consistency, and timeliness.
• Implement and monitor QA/QC procedures, including control samples and reference materials.
• Monitor equipment, consumables, and costs while ensuring proper sample identification and documentation.

Skills

Supervise laboratory personnel

QA/QC procedures

Data validation

Willingness to work on site

Education

Bachelor's degree in Chemistry/Analytical Chemistry/ Chemical Engineering/ Metallurgy or related technical discipline

Tools

XRF

AAS

ICP

Job description

PT Daya Mineral Alam (DMA) is seeking an experienced Lab Supervisor to manage daily laboratory activities and ensure accurate, reliable, and timely analytical results supporting its mining operations. The successful candidate will oversee sample preparation, testing, laboratory equipment, QA/QC procedures, and laboratory personnel, with a focus on bauxite and mineral quality analysis.

Key Responsibilities

Supervise daily laboratory operations, including sample receipt, preparation, testing, analysis, and reporting.

Ensure laboratory testing is conducted according to approved methods, SOPs, quality standards, and operational requirements.

Oversee sample preparation and testing for bauxite and other relevant mining materials.

Review and validate laboratory results to ensure accuracy, consistency, traceability, and timely reporting.

Implement and monitor laboratory QA/QC procedures, including control samples, duplicate testing, reference materials, and other applicable verification methods.

Supervise laboratory testing related to bauxite quality parameters, including Al₂O₃, SiO₂, Fe₂O₃, moisture, and other parameters required by product specifications.

Ensure proper sample identification, registration, storage, retention, and documentation.

Monitor laboratory consumables, chemicals, equipment requirements, and operational costs.

Requirements

Bachelor's degree in Chemistry, Analytical Chemistry, Chemical Engineering, Metallurgy, or a related technical discipline.

Minimum 3 years of relevant experience in a mining, mineral, chemical, or analytical laboratory.

Previous experience supervising laboratory personnel or daily laboratory operations is preferred.

Experience in bauxite mining or mineral testing laboratories is strongly preferred.

Understanding of mineral sample preparation, analytical testing, laboratory QA/QC, and data validation.

Familiarity with laboratory equipment and analytical techniques relevant to mineral testing, such as XRF, AAS, or ICP, depending on laboratory scope.

Understanding of equipment calibration, method verification, laboratory documentation, and quality management systems.

Willingness to work on site.