Sr. Regional Permitting and Compliance Environmental Engineer

The role

You will own permitting execution and compliance implementation across U.S. mining, processing, and refining project sites. You will manage the full permitting and compliance lifecycle from early project definition through ongoing operations.

What you will do

• Own and execute permitting roadmaps across federal, state, and local agencies for all project sites in the U.S. portfolio.
• Manage NEPA EA/EIS workstreams in coordination with BLM and third-party consultants.
• Integrate permitting requirements into FEL 1–3 and detailed design.
• Serve as primary point of contact with federal, state, and local agencies.
• Implement and audit Environmental Management Systems (EMS) at project sites.
• Manage ongoing compliance obligations for air, water, stormwater, waste, and EPCRA.
• Direct environmental monitoring programs and ensure timely submission of compliance reports.
• Oversee remediation plans and corrective actions for environmental impacts.
• Lead environmental due diligence for acquisitions, divestitures, and new project development.
• Contribute permitting and compliance data to corporate sustainability and ESG reporting.

Required qualifications

• 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.
• Demonstrated ownership of agency relationships across multiple concurrent projects.
• Familiarity with the multijurisdictional U.S. environmental regulatory framework.
• Direct experience managing NEPA EA/EIS processes 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.
• Experience implementing or auditing Environmental Management Systems (EMS).
• Strong technical writing, agency negotiation, and stakeholder-management skills.

Nice to have

• Experience with critical minerals (lithium, nickel, graphite, etc.) or refining/processing facilities.
• Experience leading environmental due diligence for M&A or project development.
• Familiarity with IFC/Equator Principles or corporate sustainability/ESG reporting frameworks.
• Professional certifications such as PE, PG, or CEP.
• Prior experience helping stand up or scale a permitting/compliance function as an organization grew.

About the company

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.