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Mariana Minerals logo
Climate/Energy

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.

Moab· 19 rolesHouston· 15 rolesSan Francisco HQ· 15 roles

CORE INFO

$85M
Total Funding
Series A
Round
51-200
Team Size
San Francisco, California, USA
Headquarters

Mariana Minerals is a vertically integrated company that leverages its proprietary software, MarianaOS, to efficiently develop critical mineral projects in the U.S., focusing on lithium, copper, and nickel for sectors like energy, AI, and defense.

  • Mariana Minerals raised $85 million in a Series A funding round led by Andreessen Horowitz, with participation from Breakthrough Energy Ventures and Khosla Ventures.marianaminerals.com
  • TechCrunch reported on Mariana Minerals' partnership with Pronto to automate a copper mine, highlighting the company's innovative approach to modernizing mining operations.techcrunch.com

WHY WE WOULD WORK AT MARIANA MINERALS

Innovative Technology

Join a software-first minerals company leveraging MarianaOS to revolutionize mining efficiency and accelerate project timelines.

Critical Minerals Focus

Contribute to the supply of essential minerals like lithium, copper, and nickel for modern energy, AI, and defense technologies.

Collaborative Culture

Be part of a dynamic team of 51-200 professionals dedicated to transforming the mining industry with cutting-edge solutions.

Growth Opportunities

Help establish 10 projects over the next decade, with the first commercial-scale lithium facility, Lithium One, launching in 2027.

Responsible Mining

Engage in sustainable practices by producing battery-grade lithium salts from oil and gas wastewater, promoting environmental responsibility.

Strong Backing

Benefit from robust financial support with $85M raised in Series A funding, positioning the company for significant growth and impact.

MARKET AND TRACTION

TOTAL ADDRESSABLE MARKET

  • Mariana Minerals targets critical minerals essential for modern energy, artificial intelligence, and defense technologies.

  • The company aims to establish 10 projects over the next decade, focusing on lithium, copper, and nickel within the United States.

    • KEY METRICS

    ✦ KEY METRIC
  • Total funding raised to date is $85 million, with a Series A funding round led by Andreessen Horowitz (a16z).

  • The company is targeting production at its first commercial-scale lithium production facility, Lithium One, in the first half of 2027.

    • GROWTH TACTICS

  • Mariana Minerals integrates its proprietary software platform, MarianaOS, to enhance operational efficiency and accelerate project timelines in the mining industry.

  • The company is currently producing battery-grade lithium salts from oil and gas wastewater, showcasing innovative approaches to resource extraction.

    • COMPETITIVE ADVANTAGE

  • By leveraging advanced software solutions, Mariana Minerals aims to revolutionize mining operations, making them more efficient and effective compared to traditional methods.

  • The company's focus on critical minerals positions it strategically within high-demand sectors, such as energy and defense.

    • MARKET POSITION

  • Mariana Minerals is positioned as a software-first, vertically integrated minerals company, differentiating itself from traditional mining companies.

  • The company has garnered attention from notable investors, including Breakthrough Energy Ventures and Khosla Ventures, indicating strong market confidence in its business model.

    • PRODUCT AND TECH

    MarianaOS Platform

    MarianaOS is an internally developed software platform that utilizes AI and machine learning to optimize mineral project development and operations, aiming to accelerate the mining industry's traditionally slow pace.

    Lithium Production Facility

    Lithium One is Mariana Minerals' first commercial-scale lithium production facility, targeting production of battery-grade lithium salts from oil and gas wastewater, set to commence in the first half of 2027.

    Critical Minerals Focus

    Mariana Minerals is dedicated to developing lithium, copper, and nickel projects within the United States, with a strategic goal of establishing 10 projects over the next decade to supply essential minerals for modern technologies.

    Pilot Production Capabilities

    The company is currently producing battery-grade lithium salts in its laboratory and pilot facilities, showcasing its innovative approach to sourcing critical minerals from unconventional resources.

    Vertically Integrated Operations

    Mariana Minerals employs a vertically integrated model that combines software solutions with mineral extraction processes, enhancing operational efficiency and enabling rapid project development.

    COMPANY CULTURE

    Values

  • Commitment to sustainability and responsible resource extraction

  • Innovation through technology and software integration

  • Collaboration and teamwork across all levels

  • Transparency in operations and decision-making

  • Focus on safety and well-being of employees

    • Operating Principles

  • Leverage advanced software solutions to enhance efficiency

  • Foster a culture of continuous improvement and learning

  • Prioritize ethical practices in mineral sourcing

  • Encourage open communication and feedback among team members

  • Strive for excellence in project execution and delivery

    • Benefits

  • Opportunities for professional development and growth

  • Competitive compensation and equity options

  • Flexible work arrangements to support work-life balance

  • Health and wellness programs for employees

  • Engaging work environment that values diversity and inclusion

    • Team Cadence

  • Regular team meetings to align on goals and progress

  • Bi-weekly check-ins to discuss project updates and challenges

  • Monthly all-hands meetings to share company-wide news

  • Continuous feedback loops to foster improvement and innovation

    • Learning & Growth

  • Access to training programs and workshops

  • Mentorship opportunities with experienced leaders

  • Encouragement of cross-departmental collaboration for knowledge sharing

  • Support for attending industry conferences and events

    • COMPENSATION SNAPSHOT

    Cohort too small to score (n < 5). Per-role bands shown below.
    Based on publicly available compensation ranges from job postings; exact compensation may vary.
    Engineering IC1n = 5
    $52K – $94Kmedian $73K
    Aggregate
    Engineering IC3n = 5
    $140K – $200Kmedian $170K
    Los Angeles / Bay Area
    Engineering IC4n = 6
    $130K – $175Kmedian $153K
    AustinLos Angeles / Bay Area
    Engineering Managern = 7
    $174K – $210Kmedian $192K
    AustinLos Angeles / Bay Area
    US-only in v1 · only categories with n > 2 shown · in-person / hybrid / remote treated separately where n ≥ 3

    HIRING SIGNAL

    54
    Open roles right now
    Snapshot via live ATS poll
    —
    Net new roles in the last 90 days
    Available once weekly history accrues
    90-Day VelocityV2 · BACKFILL
    Trend builds weekly as historical rows accrue
    By Function
    Breakdown of open roles
    Data · 1
    Design · 3
    G&A · 3
    Product · 1
    Support · 10
    Operations · 9
    Engineering · 27
    Top Locations
    Where hiring is concentrated
    Remote-eligible postings counted separately
    Moab, UT
    19
    Houston, TX
    15
    San Francisco HQ
    15
    Ann Arbor, MI
    3
    Remote
    1
    East Texas
    1
    SourcesGreenhouseLeverAshbyWorkableSmartRecruitersRipplingRecruiteeFallback · Wellfound, YC Work-at-a-Startup, careers-page scrape

    KEY COMPANY ANNOUNCEMENTS

    Filter
    7 announcements · ranked by importance
    Apr 24, 2026FUNDINGMariana Minerals has filed a notice of an exempt offering of securities to raise $76,029,979.00 in New Funding. - intelligence360intelligence360.news
    Apr 7, 2026FUNDINGForm D filing — Mariana Minerals Co. (CIK 0002123886)sec.gov
    Jul 21, 2025FUNDINGMariana Mineralsmarianaminerals.com
    Apr 27, 2026FOUNDER PROFILEThis Tesla Veteran Is Running A Copper Mine With AI-Powered Robotsforbes.com
    May 1, 2026PRESSMariana Minerals is building the fully autonomous copper mine: 220 employees, two projects, and a plan for 10 mines in 10 years | TBPN Digesttbpndigest.com
    Apr 9, 2026PRESSEx-Tesla engineer’s startup taps Pronto to help automate a copper mine | TechCrunchtechcrunch.com
    Jun 1, 2025PRESSMariana Minerals Valuation 2026: $775.0M | Private Company Worthpremieralts.com