Sr. Electrical Engineer

Benefits

Parental leave

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Non-birth-parent leave

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Family-building benefits

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• Adoption assistance: Not verified
• Surrogacy assistance: Not verified

Mental health support

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Relocation assistance

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Childcare support

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Learning budget

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Verification

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Salary

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401(k) match

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Market context

U.S. role benchmark (BLS OEWS)

$116,543 U.S. median for this role

Projected growth (BLS Employment Projections)

+9.8% - Much faster than average

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function

Engineering From the posting source checked Jun 20, 2026

Seniority

Senior From the posting source checked Jun 20, 2026

Schedule

Shift type

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Weekend work

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Application

Cover letter

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Assessment

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Deadline

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Where they hire

State eligibility is not yet verified.

About this role

Sr. Electrical Engineer San Francisco HQ, San Francisco, California, US, Houston, TX 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 Sr. 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

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