Senior Technical Program Manager

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 how minerals are sourced, refined, and optimized by combining deep industrial expertise with software, automation, and data-driven decision-making. Join us as we build the future of responsible mineral sourcing and supply. The Role Mariana Minerals is looking for a Senior Technical Program Manager to join its Engineering team, to lead the delivery of a mining project at its Copper One subsidiary in Utah. This role will be instrumental in bridging initiatives and workstreams across R&D, piloting, existing operational infrastructure, engineering, construction, environmental, finance, and more. What You'll Do Own the integrated project execution plan, master schedule, cost estimate, and risk register Facilitate program meetings and ensure clear action tracking and progress on task statuses Manage interfaces between all technical disciplines, contractors, and site operations Translate geological uncertainty into project risk, contingency, and study scope Ensure clear alignment on metallurgical test work, R&D programs, and pilot plant campaigns to de-risk the flowsheet Direct engineering consultants and internal teams through studies and trade-offs (mining method, process route, throughput, utilities) Oversee detailed engineering, procurement, and contractor performance Translate permit conditions into design requirements, schedule constraints, and cost Own the project business case, capital and operating estimates, and economic model inputs Present funding requests and stage-gate approvals to executive leadership Maintain alignment between project delivery and corporate strategy What You'll Bring 7+ years of experience leading complex technical programs or capital projects in mining, metals, chemicals, refining, energy, or other heavy industrial environments Demonstrated experience managing projects through engineering, construction, commissioning, and operational start-up phases Strong program management skills, including ownership of project schedules, budgets, contractor performance, risk management, and execution deliverables Proven ability to coordinate cross-functional stakeholders across technical, operational, construction, and business teams in fast-paced environments with minimal oversight Strong communication and organizational skills, with the ability to drive alignment and accountability across all levels of the organization Comfortable working on-site in an industrial environment; this is a full-time, in-person role based in Moab, UT Why Join Us? At Mariana Minerals, you'll be part of a mission-driven team reshaping the way critical minerals are sourced and supplied globally. You'll have the autonomy to make big decisions, the tools to innovate, and a culture that values ownership, smart automation, and collaboration. Our culture is built on three principles: Extreme Ownership

• We take full responsibility for outcomes, relentlessly driving toward solutions. Engineer Out Requirements, then Automate
• We simplify, optimize, and then automate for scale. Share Your Legos
• We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.

Join us as we build the future of responsible mineral sourcing and supply. Mariana is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected status.