About the role
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.
What You’ll Do
Develop, update, and maintain 2D and 3D drawings and models using AutoCAD Plant 3D, Civil 3D, and Revit
Support multi-disciplinary layouts, including:
Equipment and general arrangement plans
Civil drawing support
Maintenance of CAD standards across projects
Ensure high accuracy and quality of drawings and models, with strict adherence to project and company standards
Support BIM and digital delivery workflows, including:
Model cleanup, coordination, and standardization
Assist with automation and efficiency improvements using basic scripting and tools such as Python, PowerShell, AutoLISP
Prepare drawings and models for design reviews, construction, and field execution
Maintain organized project files, templates, and documentation in accordance with internal CAD/BIM standards
Collaborate closely with engineers, project managers, and external consultants to provide drafting and modeling support
Assist with laser scanning registration from LiDAR and SLAM based scanners
What You’ll Bring
3+ years' experience as a CAD Designer, CAD Drafter, BIM Designer or similar role
Strong proficiency in AutoCAD (Civil 3D, Plant 3D Preferred)
Experience working on industrial, mining, manufacturing, or infrastructure projects (preferred)
Ability to work across multiple disciplines, not limited to a single trade
Our culture is built on four principles:
Everyone Gets Home Safe. We never put speed or cost ahead of people.
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 Mariana Minerals
Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies. It engineers, builds, and operates mines and refineries using its proprietary MarianaOS platform, which integrates capital project execution, refinery operations, and mine management into a single AI and machine learning stack. The company targets domestic U.S. critical mineral supply for sectors facing supply chain vulnerabilities, including copper and lithium.
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Job details
Location
San Francisco, Houston
Funding
Total raised
$400M
Last stage
Series A
Investors
Founders
What happens next.
No applications, no recruiter spam. Just the intro.
Confirm the fit
A few questions to make sure this role is the right shape for you. Two minutes.
I pitch you to the company
I write the intro, send it to the founder, and handle the back-and-forth.
A meeting lands on your calendar
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.