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.

Role Overview

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

As an Electrical & Instrumentation Designer at Mariana Minerals, you will lead the configuration of projects in AutoCAD Electrical (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 Electrical
Setup project databases, symbol libraries, and drawing templates
Draft single-line diagrams (SLDs) and electrical one-lines
Configure and draft schematic wiring diagrams, loop drawings, and instrument location plans
Develop and draft cable tray and conduit routing layouts, grounding plans, and instrument index lists
Define requirements for third party electrical equipment models, vendor schematics, and instrument datasheets to integrate into Mariana Minerals hosted AutoCAD Electrical environment
Define requirements for third party EPC companies to complete detailed engineering

What You’ll Bring

5+ years of experience with AutoCAD Electrical
CAD admin experience
2D drafting experience. SLDs, schematics, loop drawings, cable schedules, etc.
3D modeling experience. Cable tray routing, conduit layout, instrument placement, etc.

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.

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Marianaminerals

Open Positions (1)

Contract Electrical & Instrumentation Designer

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