Role & responsibilities

1. Job Purpose

To carry out chemical analysis and quality control activities for raw materials, intermediate products, clinker and cement to ensure compliance with defined quality standards and specifications. The role will be responsible for XRF analysis, laboratory testing, monitoring chemical parameters and supporting consistent product quality throughout the manufacturing process.

1. Key Responsibilities

A. Chemical Analysis & Quality Control
- Conduct chemical analysis of limestone, additives, raw mix, kiln feed, clinker, gypsum, fly ash, slag and cement.
- Perform routine and non-routine chemical testing as per established laboratory procedures.
- Monitor key chemical parameters such as:
- CaO, SiO, AlO and FeO
- MgO, SO, KO, NaO and other relevant parameters
- LOI and other quality indicators
- Ensure test results are accurate, reliable and recorded properly.

B. XRF Operations
- Operate and perform routine analysis using X-Ray Fluorescence (XRF) equipment.
- Prepare samples and pellets/beads as required for XRF analysis.
- Perform calibration, standardization and routine checks of the XRF equipment.
- Monitor instrument performance and identify abnormal readings or deviations.
- Maintain XRF-related records, standards and calibration data.
- Coordinate with the concerned team for troubleshooting and maintenance of XRF equipment.

C. Cement & Clinker Quality Monitoring
- Monitor the chemical quality of clinker and cement at different stages of production.
- Analyze and report quality deviations promptly to the concerned departments.
- Support production teams in maintaining required chemical parameters.
- Ensure final cement quality meets applicable BIS/IS specifications and internal quality standards.
- Assist in maintaining consistency in cement quality.

D. Raw Material & Process Control




- Analyze incoming raw materials and monitor their chemical characteristics.
- Monitor raw mix and kiln feed quality.
- Evaluate chemical variations and communicate deviations to the concerned team.
- Support optimization of raw mix and process parameters based on laboratory results.

E. Laboratory Management
- Ensure proper functioning, cleanliness and housekeeping of the chemical laboratory.
- Maintain laboratory equipment, instruments, chemicals, reagents and standards.
- Maintain proper records of test results, calibration, analysis and equipment maintenance.
- Ensure safe handling, storage and disposal of laboratory chemicals.
- Follow laboratory safety procedures and applicable environmental and safety requirements.

F. Documentation & Reporting
- Maintain daily laboratory test reports and quality records.
- Prepare and communicate test results to the concerned HOD/Manager.
- Ensure timely reporting of critical quality deviations.
- Maintain documentation as per departmental SOPs and quality systems.
- Participate in internal/external quality audits whenever required.

1. Required Skills & Competencies

- Hands-on experience in XRF analysis in a cement manufacturing workplace.
- Strong knowledge of cement chemistry and quality control.
- Good understanding of raw mix, clinker and cement chemical parameters.
- Knowledge of laboratory testing procedures and quality standards.
- Ability to interpret XRF results and identify quality deviations.




- Good analytical and problem-solving skills.
- Ability to coordinate effectively with Production, Process, Mines and Quality teams.
- Good documentation and reporting skills.
- Strong attention to accuracy and detail.
- Knowledge of laboratory safety and chemical handling procedures.

1. Preferred Experience

Candidates should preferably have:
- 4+ years of relevant experience in a cement manufacturing plant.
- Strong hands-on exposure to XRF operation and analysis.
- Experience in cement/clinker/raw material chemical analysis.
- Experience working in a Quality Control / Quality Assurance laboratory of a cement plant.
- Exposure to BIS/IS standards and cement quality specifications.
- Experience with laboratory instruments and calibration/standardization activities.

1. Key Performance Areas (KPIs)

- Accuracy and reliability of laboratory/XRF test results.
- Timely completion and reporting of chemical analysis.
- Compliance with cement quality specifications.
- XRF equipment uptime and proper maintenance.
- Reduction of testing errors and quality deviations.
- Proper maintenance of laboratory records and documentation.
- Compliance with laboratory safety procedures.
- Effective coordination with Production and Process departments.

Candidate Profile

Minimum Experience: 4+ Years

Mandatory Industry: Cement Manufacturing

Mandatory Technical Skill: XRF Analysis

Qualification: B.Sc./M.Sc. Chemistry or equivalent

Department: Quality Control

Ideal Candidate: A technically sound Chemistry professional with 4+ years of hands-on experience in a cement plant, particularly in XRF operation, clinker/cement chemical analysis, raw material testing and quality control, with the ability to independently handle routine laboratory operations and support process-quality improvement.

📌 Chemist (Shillong)
🏢 Amrit Cement
📍 Shillong