Mariana Minerals

Mariana Minerals is seeking a Head of Creative to own brand architecture, visual identity, and creative direction. This role involves designing presentations, marketing collateral, and building scalable design systems. Ideal for someone with 10+ years of experience in graphic design and creative direction.

Mariana Minerals seeks a Sr. Procurement Specialist to drive end-to-end procurement of capital equipment for capital projects, managing contracts, negotiations, and supplier relationships to ensure delivery and cost efficiency.

Mariana Minerals is seeking a Sr. Procurement Specialist to lead capital procurement for construction projects, managing contracts, negotiations, and systems. This role requires 5-7+ years of experience in heavy industry and strong commercial skills.

Mariana Minerals is seeking an Extractive Metallurgist to develop, optimize, and scale mineral processing systems. The role involves designing flowsheets, leading trials, analyzing metallurgical data, and collaborating with data scientists and ML engineers. Ideal candidate has a degree in metallurgy or chemical engineering and hands-on mineral processing experience.

Mariana Minerals is seeking a Mine Maintenance Supervisor to lead a team of technicians, ensure equipment reliability, and prioritize safety at their Moab, UT site. The role involves managing work orders, parts, and repairs, with a focus on safety and collaboration.

Mariana Minerals is looking for a highly motivated Sr. Process Engineer to join our San Francisco Pilot Plant team. You will lead the design, deployment, and operation of first-of-its-kind refining processes for critical minerals, while also supporting development of software for automated plant optimization.

Mariana Minerals seeks a Drone Operator to safely operate unmanned aerial systems (UAS) for surveying, inspection, and monitoring in mining operations. The role requires FAA Part 107 certification, 2+ years of experience, and the ability to work in a 24/7 environment.

Mariana Minerals is seeking a Senior Technical Recruiter to develop sourcing strategies, engage passive candidates, and partner with hiring managers to build world-class technical teams for industrial automation, AI, and critical minerals.

Mariana Minerals is seeking an experienced Accounts Payable Manager to lead its accounts payable operations and build a scalable, technology-enabled procure-to-pay function. The role involves supervising AP staff, managing vendor relationships, and improving internal controls and automation.

Mariana Minerals is seeking a Product Designer to lead design for MarianaOS, simplifying complex data workflows and building a design system. This is a first design hire role, focusing on complexity reduction and collaboration with engineering.

Mariana Minerals seeks an Analytical Applications Engineer to support and advance analytical capabilities across multiple lab sites. The role involves method development, troubleshooting, and implementing new instrumentation like ICP-OES and ICP-MS, with up to 50% travel. Full-time on-site in Moab, UT.

Mariana Minerals is hiring a Senior Accountant to support accounting operations, including monthly close, reconciliations, and financial reporting, while improving processes and controls.

Mariana Minerals is seeking a Piping Design Engineer to lead piping design from concept to construction drawings, using AutoCAD Plant 3D, and collaborate with cross-functional teams. This is a contract role based in San Francisco.

Mariana Minerals is hiring a Structural Steel Designer to configure and lead structural steel drafting and modeling for capital projects, from conceptual engineering through detailed design. The role involves developing 3D models, generating drawings, and establishing best practices in Tekla.

Mariana Minerals is seeking a Heavy Equipment Operator to support mine production by safely operating loaders, dozers, excavators, graders, water trucks, and drill rigs. The role involves equipment inspections, safety compliance, and collaboration with maintenance and operations teams.

Mariana Minerals is seeking a Pilot Plant Technician to support the design, deployment, and operation of refining processes for critical minerals. The role involves hands-on operation of chemical processes, equipment maintenance, and documentation, working a weekend shift (Fri-Mon, 6AM-4PM).

Mariana Minerals seeks a Senior Data Engineer to own data domains end-to-end, building pipelines and schemas that make plant data trustworthy for ML and operations. You'll design the data backbone for autonomous mineral refining.

Mariana Minerals is hiring a Sr. HR Generalist/Business Partner to serve as a trusted advisor to business leaders, balancing strategic HR partnership with hands-on HR operations across the employee lifecycle. The role involves employee relations, performance management, onboarding, HRIS administration, and scaling people programs in a startup environment.

Mechatronics Engineer (Autonomy) at Mariana Minerals: build autonomy and sensor-integration software for autonomous mining vehicles, including perception, localization, mapping, and motion planning. Requires 5-10+ years in robotics/embedded software with C++/Python and ROS.