Company jobs
Jobs at Mariana Minerals
80 open roles · 2 added this week
About Mariana Minerals
Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.
Open roles at Mariana Minerals
Administrative Assistant
Texas · onsite · full time
Posted 27 Oct 2026
Senior/Staff Chemical Process Engineer
California · onsite · Staff · full time
Posted 26 Oct 2026
Process Engineer
Utah · onsite · full time
Posted 26 Oct 2026
Associate, Corporate Development
Texas · onsite · Junior · full time
Posted 23 Oct 2026
Manager, Corporate Development
Texas · onsite · Manager · full time
Posted 23 Oct 2026
Staff Mechanical Engineer
Texas · onsite · Staff · full time
Posted 22 Oct 2026
Staff Process Modeling Engineer
Texas · onsite · Staff · full time
Posted 21 Oct 2026
Procurement Manager, Mobile Equipment
California · onsite · Manager · full time
Posted 21 Oct 2026
Commercial Manager, Energy & Utilities
California · onsite · Manager · full time
Posted 21 Oct 2026
Sr. Cost Control Engineer
Texas · onsite · Senior · full time
Posted 21 Oct 2026
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Mariana Minerals hiring at a glance
Hiring across Engineering (5), Finance & Accounting (2), Administrative (1), Supply Chain & Logistics (1).
By level: Manager (3), Staff (3), Junior (1), Senior (1).
Most common locations: Texas (6), California (3), Utah (1).
Counted from the roles listed above. Many postings do not list pay.