Mariana Minerals
Minerals
ElectricalEngineer
Neural analysis suggests this role is
optimal for Senior candidates.
“Electrical Engineer at Mariana Minerals. Skills: Power distribution systems, Electrical engineering design, System modeling and analysis. Design power distribution systems. Produce and review diagrams”
Industry & Context.
Drive toward solutions; Simplify; Optimize
What They're Looking For.
Must Have
Electrical engineering and design, Power system engineering, Design and analysis of HV, MV, and LV electrical systems, Electrical system modeling tools, Relevant electrical codes and standards, Detailed electrical engineering packages, Industrial manufacturing, Large-scale mining or mineral processing, Large-scale chemical production processes, Engineering, procurement, and construction firms
What You'll Do.
Design power distribution systems
Produce and review diagrams
Perform power system studies
Select and specify electrical equipment
Design protection and relaying schemes
Interface with utility providers
Support system integration
Support field implementation
Support commissioning
Create as-built documentation
How You'll Work.
Team & Collaboration
Collaborate with cross-functional engineering teams; Collaborate with vendors; Collaborate with contractors; Share knowledge; Empower each other
Full 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 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 seeking a highly motivated Electrical Engineer to support the design and implementation of power systems that enable the build-out of critical mineral infrastructure vital to the global energy transition. In this role, you will lead and contribute to the development of high, medium, and low voltage electrical distribution systems for first-of-its-kind chemical refining processes. Your work will span the full project lifecycle—from conceptual studies to detailed design, construction, commissioning, and energization. You will also be responsible for system modeling and analysis, ensuring that power systems are robust, reliable, and compliant with applicable standards. WHAT YOU’LL DO - Design and develop power distribution systems across high, medium , and low voltage networks for industrial infrastructure projects. - Produce and review single-line diagrams (SLDs), panel schedules, wiring diagrams, grounding plans, conduit/cable schedules, and equipment specifications. - Perform power system studies including: - Load flow and voltage drop analysis - Short circuit analysis - Arc flash hazard assessment - Protective device coordination - Select and specify electrical equipment such as transformers, switchgear, motor control centers (MCCs), variable frequency drives (VFDs), and UPS systems. - Design and implement protection and relaying schemes, including relay settings and coordination for system reliability. - Interface with utility providers, coordinate interconnections, and support applications and gr
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