Contract Piping Designer

San Francisco HQPosted 7 weeks ago

Role Overview

Marianaminerals is hiring a mid-level Contract Piping Designer. This is a contract role in San Francisco HQ. Full responsibilities, required qualifications, and the apply link are listed in the description below.

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ORSupply ChainABOUTMARIANAMINERALSAIROLEOVERVIEW

Job description

ABOUT MARIANA MINERALS

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.

ROLE OVERVIEW

Mariana Minerals is looking for a Contract Piping Designer to work on building the critical minerals supply chain.

As a Piping Designer at Mariana Minerals, you will lead the configuration of projects in AutoCAD Plant 3D (or similar software packages), develop best practices and workflows for drafting and modeling, and support drafting and modeling activities from conceptual engineering through to detailed design.

WHAT YOU’LL DO

Configure new projects in AutoCAD Plant 3D
Setup Data Manager and Smart P&IDs
Draft process flow diagrams (PFDs)
Configure and draft smart piping and instrumentation diagrams (P&IDs)
Develop and draft plot plans
Define requirements for third party 3D equipment models and P&IDs to integrate into Mariana Minerals hosted AutoCAD Plant 3D environment
Define requirements for third party EPC companies to complete detailed engineering

WHAT YOU’LL BRING

5+ years of experience with AutoCAD Plant 3D
CAD admin experience
2D drafting experience. PFDs, P&IDs, Plot Plans, etc.
3D modeling experience. Piping design, isometric generation, etc.

OUR CULTURE IS BUILT ON THREE PRINCIPLES:

Extreme Ownership – We take full responsibility for outcomes, relentlessly driving toward solutions.

Engineer Out Requirements, then Automate – We simplify, optimize, and then automate for scale.

Share Your Legos – We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.

Join us as we build the future of responsible mineral sourcing and supply.

About Marianaminerals

Marianaminerals

On-site

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Frequently Asked Questions

How do I apply for the Contract Piping Designer position at Marianaminerals?

Use the Apply button above to submit your application directly to Marianaminerals. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Contract Piping Designer position at Marianaminerals located?

This position is based in San Francisco HQ. Marianaminerals has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Contract Piping Designer at Marianaminerals earn?

Marianaminerals has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Contract Piping Designer role at Marianaminerals posted?

This role was posted on May 22, 2026 (49 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.