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a16z portfolio
Mariana Minerals
Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.
91 open roles
IP Counsel
Commercial Counsel
Maintenance Training Opportunities
Commissioning Engineer
Production Planner
Sr./Staff Process Engineer - Detailed Engineering and Plant Design
Sr. Technical Recruiter
Logistics Analyst
Plant Design Manager
Pilot Plant Operations Manager
Logistics Manager
Senior Safety Engineer
Sr. Piping Designer
Driller Assistant (Helper)
Engineering Coordinator
Sr. Planner and Scheduler
Controls Technician
Lab Manager
Maintenance Technician
Maintenance Technician, Electrical
Sr. Recruiter
Laboratory Technician
Sr./Staff Mechanical Engineer
Staff Mining Engineer
Core Driller
Core Driller Assistant
Blast Hole Driller
Engineering Manager, MarianaOS
Operator
Sr. Regional Permitting and Compliance Environmental Engineer
Sr. Software Engineer, Autonomy
Sr. Software Engineer, Infrastructure
Process Maintenance Technician
Project Electrician
Lab Chemist
Sr/Staff Civil Engineer
Member of the Special Projects Staff
Staff Mobile Equipment and Fleet Engineer
Lab Technician
Machine Learning Engineering Manager, Chemistry & Process Engineering
Machine Learning Engineering Manager, Industrial Autonomy & Applied ML
Technical Product Manager, ML & Robotics
Technical Product Manager, Data & Analytics Platform
Sr. Data Scientist
Business Operations Manager
Sr./Staff Architect
Staff Product Manager, Engineering & Construction
Sr. Environmental Engineer
Sr. Process Controls Engineer
Custodian/General Labor
Vice President of Finance
R&D Metallurgist
Mobile Maintenance Supervisor
Staff Process Controls Engineer - Networking and Systems Administration
Sr./Staff Technical Program Manager - Lithium
Staff Instrumentation and Controls Engineer
Sr./Staff Technical Program Manager - Copper
Full Stack Software Engineer
Administrative Assistant
Sr. Systems Administrator
Lead Operator
Process Engineer
Machine Learning Engineer (Autonomy)
Head of Creative
Sr. Procurement Specialist - Process Equipment
Extractive Metallurgist
Drone Operator
Analytical Applications Engineer
Staff Product Designer, MarianaOS
Sr. Estimator
Director of Mining and Technical Services
Staff Mechanical Engineer
Procurement Manager
Mine Planner
Recycling Operator
Structural Designer
Process Safety Engineer
Staff Machine Learning Engineer (Autonomy)
Mechatronics Engineer (Hardware)
Head of Engineering Programs
Staff Product Manager
Staff Machine Learning Engineer
Machine Learning Engineer
Sr. Data Engineer
Sr. Construction Project Manager
Engineering Design Manager
Manager, Piping Design & Engineering
Sr. Site Development Engineer
Staff Process Engineer
IT Technician
Senior Full Stack Software Engineer