Mariana Minerals
Laboratory Technician
San Francisco HQ · On-site · Full-time · Posted Oct 7, 2026
- Experience
- 2+ years' experience in a lab, foundry, smelter, refinery, or similar high-temperature setting.
- Education
- Associate degree or technical diploma in chemistry, materials, metallurgy or a related field, or equivalent hands-on experience.
About the job
Operates high-temperature laboratory equipment to process polymetallic nodules, prepare samples, record results, and maintain safe lab operations.
What you'll do
- Prepare and process nodule samples, including operating a rotary kiln, electric arc furnace, and induction converter.
- Monitor equipment and process conditions, record batch data, and track samples sent to external laboratories.
- Follow safety procedures, maintain equipment and supplies, and support commissioning and routine repairs.
What they ask for
- 2+ years' experience in a lab, foundry, smelter, refinery, or similar high-temperature setting.
- Comfort operating furnaces, gas cylinders, and pressurized or water-cooled equipment.
- Careful record-keeping and working knowledge of Excel.
- Able to lift up to 50 lb (23 kg), stand for long periods, work near radiant heat, molten material and process gases, and be medically cleared and fit-tested for respirator use.
Nice to have
- Experience with molten metal handling, tapping, or crucible melting.
- Familiarity with induction, arc, or tube furnaces, off-gas sampling or wet scrubbers; sample preparation for XRF or ICP analysis.
Pay
$40 – $45 per hour (USD base pay)
Tools
rotary kiln, electric arc furnace, induction converter, box furnace, gas analyzers, NaOH impingers, Excel, XRF
Model-written summary · the original posting is authoritative