Mariana Minerals
Analytical Lab Chemist
$110K–$130K
San Francisco HQ · On-site · Full-time · Posted Oct 28, 2026
- Education
- Associate or bachelor’s degree in Chemistry, Biochemistry, or a closely related scientific field.
About the job
Prepares mineral samples and performs routine analytical testing while maintaining laboratory safety, operating equipment, and recording data.
What you'll do
- Prepare sample matrices through weighing, digestion, dilution, and filtration while preventing cross-contamination.
- Assist with operation, calibration, and basic troubleshooting of analytical equipment.
- Follow safety and compliance procedures; maintain the lab, manage inventory and waste, and record observations and data.
What they ask for
- Associate or bachelor’s degree in Chemistry, Biochemistry, or a closely related scientific field.
- Proficiency in wet chemistry techniques, including pipetting, titration, and acid digestion.
- Familiarity with principles of analytical instrumentation.
- Knowledge of EPA, ISO, or GLP/GMP standards.
Nice to have
- Hands-on experience or academic exposure to Titration, Flame AA, ICP-OES/MS, or XRF.
Pay
USD 110K – 130K base salary
Tools
Titration, Flame AA, ICP-OES/MS, XRF, Laboratory Information Management Systems (LIMS)
Model-written summary · the original posting is authoritative