Senior Environmental Engineer

Mariana Minerals
San Francisco, Houston
Workplace: OnsiteFull timeUSD 100,000 - 150,000 annuallyFunction: Environmental & SustainabilityExperience: 5+ yearsEducation: mastersSkills: ["Analytical skills","Technical writing","Project prioritization","Engineering judgment","Stakeholder communication"]

Provide technical environmental engineering support across U.S. mining, processing, and refining projects. Lead and oversee environmental studies (air quality, water quality/hydrology, stormwater, waste characterization), design and implement monitoring programs, and integrate environmental requirements into FEL 1–3 through detailed design, construction, and operations. Support Environmental Management Systems (EMS), permitting documentation (EIS/EA chapters and permit sections), due diligence, and sustainability/ESG reporting while collaborating across engineering, operations, legal, and leadership.

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Mariana Minerals
Mariana Minerals
1 day ago

Senior Environmental Engineer

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Job Summary

Provide technical environmental engineering support across U.S. mining, processing, and refining projects. Lead and oversee environmental studies (air quality, water quality/hydrology, stormwater, waste characterization), design and implement monitoring programs, and integrate environmental requirements into FEL 1–3 through detailed design, construction, and operations. Support Environmental Management Systems (EMS), permitting documentation (EIS/EA chapters and permit sections), due diligence, and sustainability/ESG reporting while collaborating across engineering, operations, legal, and leadership.
Location: San Francisco, Houston
Workplace: Onsite
Employment Type: Full time
Job Function: Environmental & Sustainability
Seniority: Mid level

Key Responsibilities

  • •Conduct and oversee environmental technical studies supporting permitting and compliance across concurrent projects.
  • •Design, implement, and analyze environmental monitoring programs to support compliance reporting and decision-making.
  • •Integrate environmental requirements into FEL 1–3 and detailed design by partnering with process and civil engineering teams on technical trade-offs.
  • •Support EMS development and continuous improvement, including stormwater, spill prevention, waste management, pollution-control programs, and field inspections.
  • •Prepare permit application technical sections (EIS/EA chapters) and support due diligence, remediation/corrective action planning, and ESG data contributions.

Pay and Benefits

Salary: USD 100,000 - 150,000 annually

Key Requirements

  • •Bachelor's or master's degree in Environmental Engineering, Civil/Environmental Engineering, Environmental Science, or related fields.
  • •5+ years of environmental engineering experience in mining, energy, or large infrastructure in a fast-paced, multi-project environment.
  • •Working technical knowledge of environmental studies and modeling (air, water, stormwater) and monitoring program design.
  • •Familiarity with U.S. environmental regulations (CAA, CWA, RCRA, ESA, EPCRA) and their technical/engineering implications.
  • •Experience supporting permit applications and EIS/EA technical sections or environmental engineering design packages.
Experience:5+ yearsMiningEnergyInfrastructure
Education:Master's in Environmental Engineering, Civil/Environmental Engineering, Environmental Science, or related field
Skills:Analytical skillsTechnical writingProject prioritizationEngineering judgmentStakeholder communication
Certifications:EITPE
Tech Stack:Air quality modelingWater quality assessmentsStormwater designEnvironmental monitoring programsEnvironmental Management Systems (EMS)ISO 14001EIS/EACAACWARCRAESAEPCRAIFCEquator PrinciplesESG reporting

Company Brief

Mariana Minerals
Software-first, vertically integrated minerals company developing extraction, processing, and automation systems to supply critical minerals (lithium and others) for energy, AI, and defense technologies, and building commercial-scale lithium facilities from produced water.
Industry: Mining & Metals
Company Size: Small (11 to 50 employees)
Growth: Early Stage Startup
Funding: Series A
Headquarters: San Francisco, United States
WebsiteLinkedInGlassdoor