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

• Job Type: Full-time, Permanent
  

• Industry: Hallmarking & Assaying Centre (BIS Certified)
  

• Locations: Thanjavur | Trichy | Karaikal | Mayiladuthurai
  

• Salary: ₹10,000 – ₹15,000+ per month (Negotiable based on qualification, performance, and experience)
  

• 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.
  

• 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.
  

• Strong attention to detail and record-keeping discipline.
  

• Sound knowledge of laboratory health and safety standards.
  

• Basic computer proficiency (MS Excel / Word) for data entry.