Job Description

: GC-MS/MS & LC-MS/MS Analyst (1-2 Years' Experience)

Department:

Residue Analysis

Industry:

Food Testing Laboratory (FSSAI/NABL 17025)

Location:

Gujarat / Rajasthan

Position Overview

We are seeking a motivated

GC-MS/MS & LC-MS/MS Analyst

with

1-2 years of hands-on experience

in pesticide residue testing, contaminants analysis, or food/agri product testing. The role involves sample preparation, instrument operation, basic troubleshooting, calibration, and adherence to NABL ISO/IEC 17025 guidelines.

The candidate will work with advanced mass spectrometry platforms (Agilent/Sciex/Waters/Shimadzu/Thermo) for routine testing of spices and other food products.

Key Responsibilities

1. Instrument Operation (GC-MS/MS & LC-MS/MS)

? Perform daily system checks, tuning, calibration, and QC verification.

? Set up acquisition methods, MRM transitions, retention times, and instrument sequences.

? Ensure stable performance: peak shape, sensitivity, ion ratios, RT consistency.

? Perform basic troubleshooting (source cleaning, inlet maintenance, liner change, vacuum checks, column trimming, etc.).

2. Sample Preparation

? Carry out

Quenchers extraction

, clean-up (DSPE/PSA/C18/GCB), and evaporation steps.

? Handle extracts for multi-residue pesticides, antibiotics, mycotoxins, PAHs, and other contaminants.

? Maintain sample integrity, avoid cross-contamination, and follow strict SOPs.

3. Calibration & Quantification

? Prepare calibration standards (solvent and matrix-matched).

? Generate calibration curves (r ? 0.99) using appropriate regression models.

? Validate ion ratios and MRM transition criteria as per SANTE/FSSAI guidelines.

? Perform quantification using internal standards and QC acceptance limits.

4. Quality & Documentation (NABL)

? Maintain analytical records, raw data, chromatograms, and instrument logs.

? Follow

ISO/IEC 17025

documentation and participate in audits.

? Run blanks, spikes, duplicates, and QC samples per batch.

? Ensure traceability of standards, reagents, and consumables.

5. Method Development & Validation (Assisted Role)

? Assist in optimization of extraction conditions and MS/MS parameters.

? Maintain method SOPs and work instructions.

6. Lab Operations & Support

? Ensure instrument uptime, preventive maintenance, and coordination with service teams.

? Follow safety and chemical handling protocols (HSE compliance).

? Help manage inventory: columns, vials, gases, solvents, Quenchers kits, standards.

Required Qualifications Education

? / in Chemistry, Analytical Chemistry, Food Technology, Biotechnology, Microbiology, Forensic Science, or related discipline.

Experience

?

1-2 years'

experience in a food testing lab / contract testing lab

? Experience in

pesticide residue analysis

preferred

? Hands-on exposure to at least

one

instrument-MS/MS (Agilent/Sciex/Thermo/Shimadzu), LC-MS/MS (Agilent/Sciex/Thermo/Shimadzu/Waters)

Required Technical Skills

? Knowledge of

Quenchers

, SPE, and dilution techniques

? Understanding of MRM, ion ratios, dwell time, collision energies

? Experience with chromatography troubleshooting

? Awareness of

ISO 17025

, FSSAI, APEDA, SANTE guidelines

? Familiarity with software such as Mass Hunter, MultiQuant, Analyst, LabSolutions, Trace Finder, etc.

Key Competencies

? Strong understanding of analytical chemistry

? Ability to follow SOPs and maintain high accuracy

? Good communication and documentation skills

? Teamwork, time management, and discipline

? Willingness to work in high-throughput routine environments

Job Types: Full-time, Permanent

Pay: ?60,000.00 - ?70,000.00 per month

Ability to commute/relocate:

Gandhidham, Gujarat: Reliably commute or planning to relocate before starting work (Preferred)
Application Question(s):

Do you have relevant exeperience?
Education:

Master's (Preferred)
Work Location: In person