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Salary
$100k – $140k per year
Location
In office (Houston, San Francisco)
Seniority
Middle · 3+ years exp
Visa
H-1B filings in 12 months: 15
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Oct 16, 2026. Mariana Minerals scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Mariana Minerals is a software-first, vertically integrated critical minerals company headquartered in San Francisco, California. Founded in 2024, the company designs, builds, and operates its own domestic mining and refining operations to produce battery-grade lithium, copper cathode, and nickel essential for energy, AI, and defense infrastructure. At the core of its business is MarianaOS, an in-house software suite combining autonomous fleet systems, digital twin geologic modeling, dynamic process control, and LLM-powered capital project management platforms (CapitalProjectOS, MineOS, PlantOS) designed to accelerate commissioning timelines and reduce steady-state operating costs.

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!

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