Join a local team with global impact

Looking for a career that matters, with a company that cares?

Join U.S. Borax and help us achieve our mission: Supplying the world with refined borates, remarkable minerals that are essential to human progress and modern living. We're finding better ways to provide the materials the world needs.

A history of integrity

For more than 150 years, U.S. Borax (part of Rio Tinto)—known for our 20 Mule Team® Borax brand—has mined boron from California. Today, we operate the state’s largest open pit mine (in Boron, California), one of the richest borate deposits on the planet. U.S. Borax is the known leader in borate technology, research, and development. We supply around 30% of the global demand for refined boron, an ingredient in a diverse range of vital products, from crop fertilizer to cell phone glass.

Our long-standing commitment to innovation and improvement extends to our world-class safety, environmental, and community practices. With 50,000+ employees in more than 40 countries, we offer opportunity for advancement, an open and diverse culture, and a responsible and responsive work environment. We also forge close relationships with the communities in which we operate, becoming involved in education, supporting local communities, awarding grants for social and health programs, and striving for close involvement with local governments and NGOs.

Career opportunities: U.S. Borax
Opportunity, adventure, community: You'll find it all at U.S. Borax Learn More

Learn more about U.S. Borax's rich history

Employee spotlight

Emmanuel Laval: A Customer-Centric Technical Expert

Specializing in polymers and wood materials, Emmanuel Laval is committed to helping customers develop effective boron formulations. Learn more about his cu... Learn More

Sandip Shinde Brings Innovative Eye to Technical Marketing

A proven track record for innovation, cross-industry experience, and deep technical knowledge makes Sandip Shinde the right fit for our technical marketing... Learn More

From Apprentice to 1st Class Electrician
Elizabeth (Liz) Stone, a graduate of this year’s California Borates Instrumentation Electronics (IE) apprentice programme. Liz recently became a 1st cla... Read More

Be a part of our team

Want to learn more about working with U.S. Borax? Attend one of our local job fairs or visit our corporate site to get started.

Our world-class mining company offers world-class benefits for represented employees:

Health Plans

  • Medical
  • Prescription drug
  • Dental
  • Vision
  • Health Savings Account (HSA)
  • Flexible Spending Accounts (FSA)
  • Employee Assistance Plan (EAP)

Retirement Plans

  • 401(k) with up to 5% match with immediate vesting
  • Retirement contribution plan
  • Stock purchase options

Employee Insurance

  • Life insurance
  • Accidental death and dismemberment insurance

Other benefits

  • Dependent/elder care
  • Flexible Spending Accounts (FSA)

Employees at our Boron location enjoy an affordable lifestyle in the scenic countryside of California:

  • If you live close to LA, you will be driving opposite traffic
  • Career progression from entry level to 1st Class Tradesman
  • Unique exposure to the various aspects of an operating plant
  • Consistent schedules at the same location
  • Opportunities for working overtime; some schedules have built in overtime
  • Working 12 hour shifts means less driving and long weekends
Driving improvements with data

Meet Justin Sewell. When he was shipping and rail operations superintendent, at our Boron Operations in California, Justin developed an app to monitor trucks which drives efficiency across the operation. (He's now plant manager at our Wilimington location.)

Watch the video
Teaming up for quality excellence

Meet Evan Stevens when he was senior quality adviser at our Boron Operations in California. Evan was part of a team that oversees the quality control checks throughout the mining process. He's now a senior sales manager on our industrial sales team.

Watch the video

Learn More About Careers at Rio Tinto

U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 650 customers with more than 1,800 delivery locations globally. We supply around 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles.  Learn more about Rio Tinto.

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