01 — DefinitionWhat critical minerals actually are Strip the jargon and a critical mineral is a mineral the federal government has formally decided the U.S. economy or defense cannot function without — and whose supply chain could plausibly be cut. The Energy Act of 2020 wrote the test into law: essential to economic or national security, vulnerable to disruption, and serving an essential function in manufacturing. The U.S. Geological Survey turns that test into a named list, refreshed at least every three years. The 2022 list named 50 mineral commodities — lithium, cobalt, nickel, graphite, manganese, titanium, tungsten, and all of the rare earth elements among them. On November 7, 2025, the final 2025 list expanded to 60, keeping all 50 and adding ten: boron, copper, lead, metallurgical coal, phosphate, potash, rhenium, silicon, silver, and uranium. The additions matter because federal permitting priority and funding programs key off the list — the day copper joined it, every U.S. copper expansion became critical minerals infrastructure. Why the urgency behind all of it: USGS reporting shows the U.S. was 100% net import reliant for 15 mineral commodities in 2024, with China the leading producer for a large share of the list. This guide reads that policy problem through one specific lens: construction and the hiring behind it. Mines, refineries, smelters, and magnet plants are jobsites before they are supply chains — somebody estimates them, builds them, commissions them, and then staffs the operations inside. What this guide is — and is notPublished by iRecruit.co, a recruiting firm building candidate networks across mining, minerals processing, and heavy industrial construction ahead of the demand. Everything here comes from public sources — federal registers, agency releases, company announcements, and reputable trade press — each listed in the methodology. Companies and projects are discussed as construction programs and employers, not as investments; nothing here is investment advice. 02 — The buildoutThe buildout: lithium, rare earths, and an antimony restart Three storylines anchor the U.S. buildout. First, lithium at construction scale. Thacker Pass in Humboldt County, Nevada — the largest known lithium resource in the U.S. — closed a $2.26 billion, 24-year Department of Energy loan in 2024 to build Phase 1 processing targeting 40,000 tonnes per year of battery-quality lithium carbonate, with roughly 1,800 direct construction jobs over a three-year build and about 360 operations jobs after. General Motors bought 38% of the project for $625 million and locked a 20-year offtake. Second, rare earths from mine to magnet. MP Materials runs Mountain Pass, California — the only operating U.S. rare earth mine — and in July 2025 signed a landmark partnership that made the Department of Defense its largest shareholder via a $400 million preferred-equity investment, backed by a 10-year, $110-per-kilogram price floor for NdPr and a 100% offtake commitment for a second magnet plant. Its Fort Worth "Independence" facility began producing NdPr metal and trial automotive-grade magnets at up to 1,000 tonnes a year; the follow-on "10X" campus announced for Northlake, Texas in February 2026 is a $1.25 billion program targeting 10,000 tonnes of annual magnet capacity with testing operations expected in 2028. Third, an antimony restart with a gold engine. Perpetua Resources began construction at the Stibnite gold-antimony project in Idaho in October 2025, backed by $59.4 million in Defense Production Act funding and a $2.9 billion Export-Import Bank loan approved in May 2026 — reopening the only identified U.S. mined antimony reserve (about 148 million pounds) alongside roughly 450,000 ounces of annual gold production in its first four years, with an average of more than 700 direct jobs over the life of the mine. Lithium — Thacker Pass$2.26BDOE loan closed 2024; 40,000 t/yr Phase 1, ~1,800 construction jobs (DOE LPO) Rare earth magnets — MP 10X$1.25BNorthlake, TX campus targeting 10,000 t/yr of magnets by 2028 (Hillwood) Antimony + gold — Stibnite$2.9BEXIM loan approved May 2026; construction began October 2025 (Perpetua)
03 — Project mapThe projects, from Nevada lithium to Georgia graphite The named programs below are the spine of the buildout — each one a mine, refinery, smelter, or factory that is first a multi-year construction jobsite and then a permanent industrial employer. 01Thacker Pass — Humboldt County, Nevada$2.26B DOE loan; 40,000 t/yr lithium carbonate Phase 1; ~1,800 construction jobs, ~360 operations; GM holds 38% (DOE LPO / NAM)Lithium 02MP Materials — Mountain Pass, CA + Fort Worth & Northlake, TXOnly operating U.S. rare earth mine; Independence magnet plant producing; $1.25B 10X campus targeting 10,000 t/yr by 2028 (MP / Hillwood)Rare earths 03Perpetua Stibnite — Valley County, IdahoConstruction began Oct 2025; $2.9B EXIM loan approved May 2026; only identified U.S. mined antimony reserve, ~148M lb (Perpetua)Antimony + gold 04Anovion — Bainbridge, Georgia$800M initial investment; 40,000 t/yr synthetic graphite anode material; 400+ jobs; $117M DOE grant under the Bipartisan Infrastructure Law (Georgia / Manufacturing Dive)Graphite 05Rio Tinto Kennecott — Salt Lake County, UtahNearly 20% of U.S. copper production; $1.5B extension to at least 2032; $498M underground expansion plus a $300M smelter rebuild (SME / CMJ)Copper 06Lynas Seadrift — Calhoun County, TexasDoD-backed heavy rare earth separation plan, $258M contracted, ~300 jobs — reported in limbo as of 2026, the reminder that not every announcement becomes a jobsite (Lynas / trade press)Rare earths Graphite has a second, defense-funded thread: Graphite One drew $37.5 million in Defense Production Act Title III funding toward a supply chain anchored on Alaska's Graphite Creek deposit. And copper's November 2025 arrival on the critical minerals list reframes every brownfield expansion — Kennecott's underground development and smelter rebuild chief among them — as critical minerals construction. We track these programs on the mining & critical minerals construction tracker. 04 — Who builds itWho builds it: the construction wave Critical minerals projects are typically delivered through an EPCM model — an engineering firm designs the process plant and manages procurement and construction, while self-perform contractors execute earthworks, concrete, steel, mechanical, and electrical packages — with the owner's team holding schedule, budget, and permitting. The construction org chart looks familiar to anyone from heavy industrial work: project directors and mining project managers, construction managers and superintendents, project controls, QA/QC, safety leadership, and commissioning teams. What makes these builds distinct is the setting. Sites are remote by geology — high desert Nevada, central Idaho — which puts camps, rotations, and travel packages into the offer math from day one. Scopes carry mining-specific engineering: tailings storage facilities, heap leach pads, autoclaves and acid plants, and process buildings with heavy E&I density closer to a refinery than a warehouse. And the schedule stakes are federal: DOE and EXIM drawdowns arrive against milestones, which is why owners pay for schedule certainty in these hires the way data center owners do. The construction labor collisionThese projects hire from the same national pool as every other capital program. Associated Builders and Contractors projects the construction industry must attract 456,000 net new workers in 2027 — and minerals projects are recruiting superintendents, project controls, and E&I leadership against data centers, fabs, and grid programs, usually from thinner local markets. 05 — Who runs itWho runs it: the operations wave The second wave staffs the asset: mine operations — mining engineers, geologists, mine superintendents, drill-and-blast and dispatch teams — and process operations — metallurgists, process engineers, control room operators, maintenance and reliability leadership, and the process plant manager who owns recovery, cost, and safety once the EPCM demobilizes. Refineries and magnet plants skip the mine-side roles but hire the plant-side set just as hard. The two waves are not sequential — they collide. Operations hiring ramps through the last third of construction so operators can train on vendor packages before first feed, which means construction and operations teams compete for the same camp beds, badges, and local housing at the exact moment the schedule is least forgiving. Programs that plan one integrated hiring curve, instead of two independent ones, commission faster. The supply side is the constraint. U.S. universities awarded just 327 mining and mineral engineering degrees in 2020, graduations have fallen 39% since 2016, and the count of accredited programs has shrunk from 25 in 1982 to 15 (CSIS). SME projects more than half the current mining workforce — roughly 221,000 people — retiring by 2029. Compensation follows scarcity; we publish the numbers separately in the mining engineer salary guide and metallurgist salary guide. 06 — Funding leversThe funding levers, from DPA Title III to price floors Five federal levers are financing the buildout — worth knowing because each one changes how projects hire: loan drawdowns enforce schedules, equity stakes extend horizons, and price floors keep operations hiring through commodity troughs. DPADefense Production Act Title IIIDirect defense investment in mineral capacity — $37.5M to Graphite One, $59.4M to Perpetua's antimony restart DOEDOE loans and grantsThe $2.26B Thacker Pass loan and Bipartisan Infrastructure Law grants like Anovion's $117M 45XIRA production credit10% of production costs for critical minerals; the 2025 budget law phases it down 2031–2033 and added metallurgical coal at 2.5% through 2029 (CRS) EXIMExport-Import BankProject-scale debt — the $2.9B Stibnite loan approved May 2026 is the marquee case EquityGovernment stakes and floorsDoD as MP Materials' largest shareholder with a $110/kg NdPr floor; U.S. warrants for 5% of Lithium Americas plus 5% of the Thacker Pass JV in the October 2025 loan restructure The through-line is a shift from grants to ownership and guaranteed markets — price floors, offtakes, and equity — which converts political enthusiasm into multi-decade operating commitments. For hiring, that is the headline: a mine with a federally backstopped customer keeps recruiting through the price cycles that used to empty mining towns. 07 — The mapSix regions where the buildout is pouring concrete NVNorthern NevadaThacker Pass's ~1,800-worker construction peak plus the Elko-centered gold belt — the country's densest hard-rock labor market, and still short TXNorth TexasMP's Independence magnet plant in Fort Worth and the $1.25B 10X campus in Northlake — rare earth magnet-making rebuilt inside a metro labor market CAMountain Pass, CaliforniaThe mine-and-separation anchor of the U.S. rare earth chain, expanding into heavy rare earth processing under the DoD partnership IDCentral IdahoStibnite's gold-antimony construction — a remote-camp program hiring construction leadership into one of the thinnest labor markets on this map UT/AZThe copper corridorKennecott's $1.5B life extension, underground expansion, and smelter rebuild — with Arizona's long-permitting copper pipeline behind it GASouthwest GeorgiaAnovion's $800M synthetic graphite plant in Bainbridge — battery-materials manufacturing landing in the Southeast's battery belt The pattern to plan around: minerals construction concentrates where the geology and the incentives are, not where construction labor is deep. Humboldt County, Valley County, and Decatur County are small labor markets absorbing enormous scopes — so traveler programs, camps, per diem, and relocation assistance decide search outcomes here, exactly as they do on remote grid work. The adjacency is real, too: refineries, smelters, and magnet plants are heavy electrical scope tying into the same substations and transmission queues as everything else being built this decade — our energy & power infrastructure desk covers that seam. 08 — HiringWhat this means for hiring in 2026 and 2027 Demand is contracted years ahead — federal loans with drawdown schedules, decade-scale offtakes, price floors — while supply is a mining and construction workforce that was shrinking before the buildout began. That asymmetry, not any single project, is the story of this labor market. For employers: price the remoteness honestly — camp, rotation, and travel terms decide these searches before compensation does; start operations hiring during the last third of construction, not after mechanical completion; and sell what minerals programs uniquely have — federally backstopped, multi-decade schedule certainty — against the data center and fab offers your candidates are also holding. A market observation from our remote-site work in adjacent sectors such as grid construction, not a statistic: reqs that state the rotation in the first line convert measurably faster. For candidates: this market now runs from project engineer to executive, and it prices records over tenure — commissioning scars, recovery gains, reconciled plans, and remote-site leadership travel across commodities. The federal backstops mean the new plants are less exposed to the price cycles that historically made mining careers feel precarious. Our mining & critical minerals desk is assembling the bench for both waves — building candidate density from construction leadership through operations and plant leadership, ahead of the demand — and the two salary guides linked in section 05 carry the compensation baselines. 09 — MethodologyMethodology and sources Compiled August 2026 by iRecruit.co exclusively from public sources — federal registers, agency and company releases, state announcements, and reputable trade press — listed below. Figures are as stated by the cited source, with dates where the figure is a snapshot; where programs update (loans, production rates, job counts, list revisions), the source's later publication supersedes our citation. Items labeled market observation come from iRecruit.co market mapping and from recruiting activity in adjacent heavy-industrial sectors, and are estimates, not statistics. Companies and projects appear as construction programs and employers; nothing here is investment advice. Federal Register, 2022 Final List of Critical Minerals — 50 commodities, Feb 24, 2022 — federalregister.gov Department of the Interior, Final 2025 List of Critical Minerals — 60 commodities; copper, silver, potash, silicon, uranium, metallurgical coal among ten additions — doi.gov; Federal Register notice, Nov 7, 2025 — federalregister.gov USGS, Mineral Commodity Summaries 2025 — U.S. 100% net import reliant for 15 mineral commodities in 2024 — usgs.gov DOE Loan Programs Office, Thacker Pass project profile — $2.26B loan; 40,000 t/yr Phase 1 — energy.gov; NAM on the loan close, construction (~1,800) and operations (~360) jobs — nam.org DOE, Oct 2025 restructure of the Lithium Americas loan — energy.gov; Mining Weekly on the 5% company and 5% JV equity terms and GM's $625M / 38% stake — miningweekly.com MP Materials, DoD public-private partnership (Jul 10, 2025) — $400M preferred equity, $110/kg NdPr price floor, 10X facility and 10-year offtake — mpmaterials.com Charged EVs on Independence, Fort Worth — NdPr metal and trial automotive-grade magnet production; 1,000 t/yr — chargedevs.com Hillwood, MP Materials 10X campus at Northlake — $1.25B, 10,000 t/yr target — hillwood.com; Fort Worth Report, Feb 26, 2026 — testing operations expected 2028 — fortworthreport.org Lynas Rare Earths — DoD support for the Seadrift, TX heavy rare earths facility raised to $258M — lynasrareearths.com; Rare Earth Exchanges on the project's 2026 uncertainty — rareearthexchanges.com Perpetua Resources — groundbreaking at Stibnite, Oct 2025; 148M lb antimony reserve; ~450k oz/yr gold in first four years; 700+ average direct jobs — PR Newswire; EXIM board approval of $2.9B loan, May 2026 — PR Newswire North of 60 Mining News, DPA Title III critical minerals awards — Graphite One $37.5M; Perpetua $59.4M — miningnewsnorth.com State of Georgia — Anovion: $800M initial investment, 400+ jobs, Bainbridge — gov.georgia.gov; Manufacturing Dive — 40,000 t/yr capacity and the $117M DOE Bipartisan Infrastructure Law grant — manufacturingdive.com SME Mining Engineering — Rio Tinto's $1.5B Kennecott investment extending mining to at least 2032; "nearly 20 percent of the U.S. copper production" — me.smenet.org; Canadian Mining Journal — $498M North Rim Skarn underground, $300M smelter rebuild, $120M refinery upgrades (Jun 2023) — canadianminingjournal.com CRS, The Section 45X Advanced Manufacturing Production Credit (IF12809) — 10% of production costs; phase-down 2031–2033 under P.L. 119-21; metallurgical coal at 2.5% through 2029 — everycrsreport.com; Crux Climate explainer — cruxclimate.com CSIS, The United States Needs More than Mining Engineers — 327 mining and mineral engineering degrees (2020); 39% graduation decline since 2016; 25 programs in 1982 vs 15 in 2023 — csis.org SME technical briefing, Workforce Trends in the U.S. Mining Industry — more than half the workforce (~221,000) retired and replaced by 2029 — smenet.org ABC 2026–2027 construction workforce model — 456,000 net new workers needed in 2027 — NCCER summary 10 — FAQFrequently asked questions What are critical minerals?+Minerals the U.S. government has formally designated as essential to economic or national security, vulnerable to supply disruption, and essential to manufacturing — a definition set by the Energy Act of 2020. The USGS maintains the official list and refreshes it at least every three years; the current list names 60 mineral commodities, from lithium and graphite to the rare earth elements — details in section 01.How many critical minerals are on the US list?+The final 2025 list, published November 7, 2025, names 60 mineral commodities — all 50 from the 2022 list plus ten additions: boron, copper, lead, metallurgical coal, phosphate, potash, rhenium, silicon, silver, and uranium. The list matters because permitting priority and funding programs key off it; USGS reporting shows the U.S. was 100% net import reliant for 15 of these commodities in 2024.Who builds critical minerals mines and plants in the US?+Most projects run on an EPCM model — an engineering firm designs the plant and manages procurement and construction, self-perform contractors execute the field packages, and the owner's team holds schedule and budget. The construction wave hires PMs, superintendents, project controls, QA/QC, safety, and commissioning leadership; the operations wave hires mining engineers, metallurgists, process engineers, and plant leadership — both mapped in sections 04 and 05.What federal programs fund critical minerals projects?+Five main levers, mapped in section 06: DPA Title III awards ($37.5M Graphite One, $59.4M Perpetua); DOE loans and grants ($2.26B Thacker Pass, $117M Anovion); the 45X production credit — 10% of production costs, phasing down 2031–2033; EXIM project debt ($2.9B Stibnite); and government equity and price floors, led by DoD's $400M stake in MP Materials with a $110/kg NdPr floor. Staffing a critical minerals programTwo hiring waves, one remote jobsite. Tell us the site, the scope, and the schedule — we will map which seats travel, what the rotation market will bear, and how to run construction and operations hiring as one curve.Talk to the minerals desk →Join as a candidate →
