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 how minerals are sourced, refined, and optimized by combining deep industrial expertise with software, automation, and data-driven decision-making. Join us as we build the future of responsible mineral sourcing and supply.

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

Why Join Us?

At Mariana Minerals, you’ll be part of a mission-driven team reshaping the way critical minerals are sourced and supplied globally. You’ll have the autonomy to make big decisions, the tools to innovate, and a culture that values ownership, smart automation, and collaboration.

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.

Mariana is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected status.