# Senior Environmental Engineer at Mariana Minerals

- Company: Mariana Minerals
- What the company does: 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.
- Company website: https://marianaminerals.com/
- Type: Startups
- Level: Senior
- Location: San Francisco HQ
- Work setup: On-site
- Pay: $100K to $150K base salary per year (USD)
- Posted: 2026-09-16
- Apply by: 2026-10-31
- Apply: https://jobs.ashbyhq.com/marianaminerals/5782fb34-b2e3-43de-a47c-a52795d031f2
- Page: https://www.1752.vc/careers/jobs/mariana-minerals-senior-environmental-engineer/

## About the role

Mariana Minerals is hiring a Senior Environmental Engineer to provide technical environmental engineering support across our U.S. mining, processing, and refining project sites in a fast-paced, multi-project environment.

## What they're looking for

- Bachelor's or master's degree in Environmental Engineering, Civil/Environmental Engineering, Environmental Science, or a related field
- 5+ years of environmental engineering experience in mining, energy, or large infrastructure, with a demonstrated ability to work effectively 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, EIS/EA technical sections, or environmental engineering design packages
- Strong analytical, technical writing, and project-prioritization skills

Tags: Plant Operations