# Staff Product Manager, Engineering & Construction 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: $180K to $210K base salary per year (USD)
- Posted: 2026-09-17
- Apply by: 2026-11-01
- Apply: https://jobs.ashbyhq.com/marianaminerals/92035e6a-a6fb-40a9-af31-5b8c25e9cc53
- Page: https://www.1752.vc/careers/jobs/mariana-minerals-staff-product-manager-engineering-and-construction/

## About the role

We're hiring a Staff Product Manager to own the Engineering and Super domains of CapitalProjectOS (CPOS), the operating system for how Mariana designs, plans, and builds capital projects. CPOS is organized around four components ( MarianaEngineer (design), MarianaGSM (procurement), MarianaSuper (construction), and MarianaPM (planning and monitoring)) and this role owns two of them end-to-end: MarianaEngineer, the centralized system for design basis, process and engineering data, and 3D models; and MarianaSuper,...

## What they're looking for

- Must Have
- 5+ years of experience in capital project engineering (process, mechanical, or EPC design) and/or construction or field execution (superintendent, construction management, project controls)
- Strong understanding of the capital project lifecycle including design basis, engineering deliverables, procurement handoff, construction execution, and commissioning
- Ability to go deep on engineering and construction workflows and earn credibility with domain experts by understanding how the work actually happens
- Strong product judgment: ruthless prioritization, focus on highest-leverage work, resistance to building everything at once
- Ability to translate complex operational workflows into clear requirements, priorities, and product decisions, and to lead cross-functional teams through ambiguous, complex projects with competing stakeholder priorities

Tags: Product Development