Laboratory Analyst

Ostrea Mineral Laboratories; General Santos; On-site; PHP 300,000 - 480,000; Full time

Job summary

Ostrea Mineral Laboratories in General Santos is seeking a detail-oriented Registered Chemical Technician or Licensed Chemist to join our environmental testing team. You will perform high-precision chemical analyses on environmental samples, ensure quality control, and manage laboratory inventory.

The role welcomes both entry-level and experienced professionals who are passionate about analytical chemistry and environmental safety, with a focus on trace metal analyses, AAS instrumentation, and

Qualifications

• Graduate in BS Chemistry, BS Chemical Engineering, or related science.
• Must be licensed as a Chemist or Registered Chemical Technician (PRC).
• Experience in environmental testing lab is an advantage.
• Familiarity with AAS instrumentation and wet chemistry preferred.
• Strong analytical skills and meticulous laboratory habits.

Responsibilities

• Conduct trace metal analysis for Cd, Ni, Zn, Mo, Sn, Bi, Pt, and Au in water, mineral, and air matrices.
• Utilise Flame/Graphite Furnace AAS and perform MIBK extractions for Cd, Pb, Ni, and Au.
• Oversee receipt, logging, and monitoring of incoming air samples to ensure sample integrity.
• Perform quarterly LFB digestions for Ag, Pb, As, Se in water analyses.
• Validate expired stock standards and reference solutions to maintain test accuracy.
• Prepare reagents, calibration standards, and samples following SOPs.
• Maintain up-to-date inventory of stock solutions and reagents.

Skills

AAS instrumentation

Wet chemistry

Analytical accuracy

Detail-oriented

Laboratory inventory management

Quality control

ORE knowledge (SOPs)

Education

BS Chemistry

BS Chemical Engineering

Related science degree

Tools

Flame AAS

Graphite Furnace AAS

MIBK extraction

Job description

About the role

We are seeking a detail-oriented Registered Chemical Technician or Licensed Chemist to join our environmental testing laboratory team. In this role, you will perform high‑precision chemical analyses on environmental samples, ensure compliance with quality control standards, and manage laboratory inventory. This position is open to both entry‑level and experienced professionals who are passionate about analytical chemistry and environmental safety.

Key responsibilities

• Conduct trace metal analysis for Cadmium (Cd), Nickel (Ni), Zinc (Zn), Molybdenum (Mo), Tin (Sn), Bismuth (Bi), Platinum (Pt), and Gold (Au) in water, mineral, and air matrices

• Utilise Flame/Graphite Furnace Atomic Absorption Spectroscopy (AAS) and perform MIBK (Methyl Isobutyl Ketone) liquid‑liquid extractions for Cd, Pb, Ni, and Au determination

• Oversee the receipt, logging, and monitoring of incoming air samples to ensure sample integrity

• Perform quarterly Laboratory Fortified Blank (LFB) digestions for critical water analysis parameters (Ag, Pb, As, Se)

• Validate expired stock standards and reference solutions to maintain test accuracy

• Prepare accurate chemical reagents, calibration standards, and samples strictly adhering to standard operating procedures (SOPs)

• Maintain a meticulous and up‑to‑date inventory of stock solutions and reagents for assigned analytical parameters

About you

• Graduate of BS Chemistry, BS Chemical Engineering, or any related science course

• Must be a Licensed Chemist or Registered Chemical Technician (PRC licensed)

• Experience in an environmental testing laboratory is an advantage

• Familiarity with AAS instrumentation, wet chemistry techniques, and chemical safety protocols is preferred

• Excellent analytical skills, high attention to detail, strong organizational habits, and the ability to work effectively in a structured laboratory environment