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Sr. Administrative Assistant / Office Manager, Office of the CEO

Alta Resource Technologies, Inc.
USAfull_timePosted 28 Aug 2026

About the role

<div class="content-intro"><p><strong>About Alta</strong></p> <p>Alta Resource Technologies (Alta) is a next generation mining company that uses synthetic biology to separate critical minerals from conventional and unconventional resources, including e-waste. Founded in 2023, the company is expanding its team in Boulder, CO. The exponential growth of new tech industries, as well as the information technology sector, are driving historic growth in mineral demand and stressing existing supply streams. Meeting new demand, diversifying the supply chain, and producing minerals in a more sustainable manner requires the rapid development, deployment and scaling of new technologies. This mineral challenge represents a historic opportunity for technology development and value creation. Alta is proud to be at the vanguard of this mega trend.&nbsp;</p></div><p><strong>Location: </strong>Boulder, CO — onsite, with occasional travel to other company facilities</p> <p><strong>Reports To:&nbsp;</strong>Chief of Staff&nbsp;</p> <p><strong>Supports: </strong>Chief Executive Officer, with support to VPs and C-suite as needed&nbsp;</p> <p><strong>Status: </strong>Full-time, Non-Exempt&nbsp;</p> <p><span style="text-decoration: underline;"><strong>About Us&nbsp;</strong></span></p> <p>Alta is reinventing how the world sources critical minerals — using protein-based chemistry to extract&nbsp; rare earth elements and other essential materials from challenging feedstocks with unmatched&nbsp; selectivity. By dramatically reducing the cost and environmental impact of mineral separation, Alta is&nbsp; making it possible to unlock new sources of supply for 21st-century technologies. As global demand&nbsp; accelerates, securing these materials has become one of the most urgent challenges facing U.S.&nbsp; competitiveness and national security. Backed by top investors and government partners, Alta is&nbsp; growing fast and hiring mission-driven scientists and engineers to help us scale our platform and&nbsp; transform the future of mining.&nbsp;</p> <p><span style="text-decoration: underline;"><strong>Role Summary&nbsp;</strong></span></p> <p>Alta is hiring a Sr. Administrative Assistant / Office Manager to support the Office of the CEO. This role is&nbsp; the operational backbone of Alta’s executive team — owning the scheduling, travel, workplace, and&nbsp; coordination work that keeps a fast-moving leadership group running, and doing it well enough that&nbsp; leadership stops thinking about it.&nbsp;</p> <p>The position exists because Alta is scaling. At 39 employees today and growing past 50 across multiple&nbsp; facilitie

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Company

Alta Resource Technologies, Inc.

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