Job Title: Lab / Assaying Technician (Precious Metals)

About the Role
We are seeking a dedicated and detail-oriented Lab / Assaying Technician to join an accredited Gold & Silver Assaying and Hallmarking Centre. In this role, you will be responsible for testing the purity of precious metals using standardized chemical and non-destructive testing procedures (such as Fire Assaying / Cupellation and XRF analysis) in compliance with Bureau of Indian Standards (BIS) norms. Openings for Freshers & Experienced Candidates. Comprehensive hands-on training will be provided. Key Details
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Job Type
Full-time, Permanent
• Industry: Hallmarking & Assaying Centre (BIS Certified)
• Locations: Thanjavur | Trichy | Karaikal | Mayiladuthurai
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Salary:
₹10,000 – ₹15,000+ per month (Negotiable based on qualification, performance, and experience)
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Benefits:
Food & Accommodation provided for eligible outstation candidates (as per company policy)

Key Responsibilities
• Sample Preparation: Receive gold/silver samples, accurately weigh them using micro-analytical balances, and prepare them for testing.
• Assaying & Testing: Perform fire assay (cupellation) and chemical wet assaying methods following standard operating procedures (SOPs).
• Spectrometry Analysis: Assist in operating X-ray Fluorescence (XRF) testing machines for preliminary and non-destructive purity checks.
• Acid Handling & Safety: Safely prepare, handle, and store assay chemicals (such as Nitric Acid) and adhere strictly to laboratory safety, disposal, and exhaust ventilation protocols.
• Furnace Operation:



Safely handle high-temperature muffle/cupellation furnaces and assaying lab tools.
• Documentation & Reporting: Maintain meticulous records of testing logs, heat-loss calculations, weight variations, and purity percentages.
• Quality Compliance: Ensure all procedures strictly align with BIS hallmarking rules and standards.
• Equipment Maintenance: Maintain cleanliness of lab instruments, coordinate routine calibration of analytical balances, and report equipment defects promptly. Shift Timings Candidates must be willing to work on rotational shifts:
• Morning Shift: 8:30 AM – 8:30 PM (includes 1-hour lunch break)
• Night Shift: 8:30 PM – 8:30 AM
• General Shift: 9:30 AM – 9:00 PM (includes 1-hour lunch break) Qualifications & Criteria
• Educational Qualification: B.
Sc in Chemistry (Preferred) or related chemical sciences.
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Experience:
Fresh graduates are welcome to apply; candidates with 6+ months to 1 year of experience in a gold testing lab, jewelry manufacturing unit, or chemical quality lab will have an added advantage.
• Gender / Eligibility: Open to all eligible candidates comfortable working in rotational shifts (including night shifts). Required Skills & Competencies
• Basic understanding of inorganic chemistry, titration, and standard laboratory equipment.
• High precision and dexterity when handling micro-weights and sensitive instruments.
• Robust attention to detail and record-keeping discipline.
• Sound knowledge of laboratory health and safety standards.
• Basic computer proficiency (MS Excel / Word) for data entry. Contact Number
- +91 97881 10111

📌 Lab / Assaying Technician (India)
🏢 Sisco Jobs
📍 India