Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies. Backed by Khosla and a16z.
About the role
Mariana Minerals is hiring a Regional Permitting and Compliance Environmental Engineer to own permitting execution and compliance implementation across our U.S. mining, processing, and refining project sites.
What they're looking for
- Bachelor's or master's degree in Environmental Engineering, Civil/Environmental Engineering, Environmental Science, Geology, or a related field
- 7+ years of U.S. environmental permitting and compliance experience in mining, energy, or large infrastructure, with demonstrated ownership of agency relationships across multiple concurrent projects
- Demonstrated familiarity with the multijurisdictional U.S. environmental regulatory framework — local, state, and federal — and the ability to navigate overlapping requirements across agencies
- Direct experience managing NEPA EA/EIS processes, including coordination with BLM and multi-disciplinary consultant teams, through Record of Decision
- Working knowledge of CAA, CWA, RCRA, ESA, EPCRA, and state/local permitting and compliance programs
- Experience integrating permitting requirements into FEL 1–3 and detailed design, and implementing or auditing Environmental Management Systems (EMS)
More about this role
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.
Mariana Minerals is hiring a Regional Permitting and Compliance Environmental Engineer to own permitting execution and compliance implementation across our U.S. mining, processing, and refining project sites. Reporting to the Global Environmental Permitting Lead, you will manage the full permitting and compliance lifecycle for assigned projects — from early project definition (FEL 1–3) through detailed design, construction, commissioning, and ongoing operations — serving as a primary point of contact with federal, state, and local agencies.
In the near term, this is a global, portfolio-wide function: you will carry permitting and compliance responsibility across Mariana's full U.S. project portfolio rather than a single fixed territory. As the portfolio expands, the role is expected to transition into ownership of a defined region, with additional hires added...
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