Marianaminerals
Mining · Start-up · US
95
Open roles right now
219
Closed in the last 180 days
Hiring in: Engineering, Operations & Admin, Skilled TechnicianFirst seen 2026-07-14Roles last changed 2026-10-29
Open roles
| Role | Location | Remote | Level | Salary | Posted |
|---|---|---|---|---|---|
| Analytical Lab Chemist Science & Research | San Francisco | On-site | not available | n/a | 28 Oct 2026 |
| Senior/Staff Chemical Process Engineer Engineering | San Francisco | On-site | Senior | n/a | 26 Oct 2026 |
| Process Engineer Engineering | Moab | On-site | not available | n/a | 26 Oct 2026 |
| Controls Technician Skilled Technician | Joaquin | On-site | not available | n/a | 26 Oct 2026 |
| Associate, Corporate Development Finance | Houston | On-site | Entry | n/a | 23 Oct 2026 |
| Manager, Corporate Development Consulting & Strategy | Houston | On-site | Manager | n/a | 23 Oct 2026 |
| Maintenance Technician – Career Development Program Manufacturing | Moab | On-site | not available | n/a | 23 Oct 2026 |
| Mobile Maintenance Supervisor Engineering | Moab | On-site | Manager | n/a | 22 Oct 2026 |
| Procurement Manager, Mobile Equipment Engineering | San Francisco | On-site | Manager | n/a | 21 Oct 2026 |
| Commercial Manager, Energy & Utilities | San Francisco | On-site | Manager | n/a | 21 Oct 2026 |
| Sr. Cost Control Engineer Engineering | Houston | On-site | Senior | n/a | 21 Oct 2026 |
| Construction & Commissioning Quality Engineer Engineering | Houston | On-site | not available | n/a | 21 Oct 2026 |
| Document Control Coordinator Operations & Admin | Houston | On-site | not available | n/a | 21 Oct 2026 |
| Site Superintendent Construction & Trades | Houston | On-site | Mid | n/a | 20 Oct 2026 |
| Analytical Systems Specialist / Applications Chemist | San Francisco | On-site | Mid | USD 85k to 100k | 20 Oct 2026 |
| Fabrication Technician Skilled Technician | San Francisco | On-site | not available | n/a | 20 Oct 2026 |
| Analytical Lab Chemist Science & Research | Moab | On-site | not available | n/a | 20 Oct 2026 |
| Project Maintenance Technician Manufacturing | Moab | On-site | not available | n/a | 19 Oct 2026 |
| Project Engineer Engineering | Moab | On-site | not available | n/a | 19 Oct 2026 |
| BIM Design Engineer Engineering | Houston | On-site | not available | n/a | 16 Oct 2026 |
| IP Counsel Legal & Compliance | San Francisco | On-site | not available | n/a | 15 Oct 2026 |
| Commercial Counsel Legal & Compliance | San Francisco | On-site | not available | n/a | 15 Oct 2026 |
| Production Planner Manufacturing | Houston | Hybrid | not available | n/a | 15 Oct 2026 |
| Sr./Staff Process Engineer - Detailed Engineering and Plant Design Engineering | Houston | On-site | Senior | n/a | 14 Oct 2026 |
| Logistics Analyst Logistics & Transport | San Francisco | On-site | not available | n/a | 14 Oct 2026 |
| Plant Design Manager | Houston | On-site | Manager | n/a | 14 Oct 2026 |
| Pilot Plant Operations Manager Operations & Admin | Houston | On-site | Manager | n/a | 14 Oct 2026 |
| Logistics Manager Logistics & Transport | San Francisco | On-site | Manager | n/a | 14 Oct 2026 |
| Senior Safety Engineer Engineering | Houston | On-site | Senior | n/a | 13 Oct 2026 |
| Sr. Piping Designer Design | Houston | On-site | Senior | n/a | 12 Oct 2026 |
| Driller Assistant (Helper) Operations & Admin | Moab | On-site | not available | n/a | 12 Oct 2026 |
| Engineering Coordinator Engineering | Houston | On-site | not available | n/a | 9 Oct 2026 |
| Maintenance Technician, Mechanical Manufacturing | Joaquin | On-site | not available | n/a | 8 Oct 2026 |
| Maintenance Technician, Electrical Manufacturing | Joaquin | On-site | not available | n/a | 7 Oct 2026 |
| Laboratory Technician Skilled Technician | San Francisco | On-site | not available | USD 40 to 45 | 7 Oct 2026 |
| Staff Mining Engineer Engineering | Moab | On-site | not available | n/a | 7 Oct 2026 |
| Core Driller Skilled Technician | Moab | On-site | not available | n/a | 7 Oct 2026 |
| Core Driller Assistant Operations & Admin | Moab | On-site | not available | n/a | 7 Oct 2026 |
| Blast Hole Driller Skilled Technician | Moab | On-site | not available | n/a | 7 Oct 2026 |
| Engineering Manager, MarianaOS Engineering | San Francisco | On-site | Manager | n/a | 6 Oct 2026 |
| Operator Skilled Technician | Moab | On-site | not available | n/a | 6 Oct 2026 |
| Sr. Regional Permitting and Compliance Environmental Engineer Engineering | San Francisco | On-site | Senior | n/a | 6 Oct 2026 |
| Sr. Software Engineer, Autonomy Engineering | San Francisco | On-site | Senior | n/a | 6 Oct 2026 |
| Sr. Software Engineer, Infrastructure Engineering | San Francisco | On-site | Senior | n/a | 5 Oct 2026 |
| Project Electrician Construction & Trades | Moab | On-site | not available | n/a | 2 Oct 2026 |
| Sr/Staff Civil Engineer Engineering | San Francisco | On-site | Senior | n/a | 30 Sept 2026 |
| Member of the Special Projects Staff Operations & Admin | San Francisco | On-site | not available | n/a | 30 Sept 2026 |
| Staff Mobile Equipment and Fleet Engineer Engineering | Houston | On-site | not available | n/a | 29 Sept 2026 |
| Sr. Data Scientist Data & Analytics | San Francisco | On-site | Senior | n/a | 23 Sept 2026 |
| Sr./Staff Architect Design | San Francisco | On-site | Senior | n/a | 18 Sept 2026 |
Open roles over timeBETA: partial data
Daily snapshots from 6 Oct 2026 (two earlier ones: 2026-09-28 and 4 Oct), so older windows have gaps. Any point derived afterwards rather than recorded that day is labelled “reconstructed” in the API.
Recent closures
| Role | Closed | Reason |
|---|---|---|
| Lab Manager | 28 Oct 2026 | stopped appearing at its source |
| Commissioning Engineer | 28 Oct 2026 | stopped appearing at its source |
| Machine Learning Engineering Manager, Industrial Autonomy & Applied ML | 27 Oct 2026 | stopped appearing at its source |
| Lab Chemist | 27 Oct 2026 | stopped appearing at its source |
| Industrial Electrician | 25 Oct 2026 | its apply link kept failing at its source |
| Driller | 24 Oct 2026 | its apply link kept failing at its source |
| Driller | 24 Oct 2026 | its apply link kept failing at its source |
| Equipment Operator | 24 Oct 2026 | its apply link kept failing at its source |
| Diamond/Core Driller | 24 Oct 2026 | its apply link kept failing at its source |
| Maintenance Mechanic | 24 Oct 2026 | its apply link kept failing at its source |