Mariana Minerals
Fabrication Technician
San Francisco HQ · On-site · Full-time · Posted Oct 20, 2026
- Experience
- 3+ years building or supporting industrial equipment in minerals processing, chemicals, specialty materials, oil & gas, biotech, or similar industries.
- Education
- Associate degree, technical certificate, or equivalent hands-on experience in industrial fabrication, mechanical technology, millwright work, or a related field.
About the job
Fabricates, installs, commissions, and maintains pilot-plant equipment and refining systems for critical minerals, supporting the transition from R&D to operations.
What you'll do
- Fabricate, install, modify, start up, and commission equipment and pilot-plant systems.
- Troubleshoot and repair mechanical equipment, including pumps, valves, piping, and filtration units.
- Follow plant safety procedures and document equipment builds and troubleshooting in MarianaOS CMMS.
What they ask for
- Hands-on experience fabricating, modifying, or constructing industrial equipment and troubleshooting equipment such as pumps, valves, and instruments.
- Familiarity with plant safety practices, including Lockout/Tagout (LOTO), hot work permits, and confined space entry.
- Ability to read and interpret engineering drawings, including P&IDs, equipment diagrams, and mechanical layouts.
- Ability to travel occasionally (10-25%) and safely lift up to 50 lbs.
Pay
$45 – $55 per hour (base salary)
Tools
MarianaOS CMMS, P&IDs, Lockout/Tagout (LOTO)
Model-written summary · the original posting is authoritative