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Millwright Helper

Rio Tinto
United States, California, Boron
Aug 22, 2025

All Crafts Helper - Millwright Helper

  • Exposure to a world class chemical operation
  • Work in a global company with broad opportunities
  • Competitive wage and benefits
  • This role is based in Boron, California
  • For California based roles the expected hourly rate is $29.00

About the role

Finding better ways to provide the materials the world needs.

We are looking for anAll Crafts Helper (Millwright Level D)to provide general manual labor activities to our Boron Operations site. The Millwright Level D performs general maintenance tasks while assisting level B and level C Millwrights.

This role is a great opportunity to contribute to the organization while developing as an expert in the field. Reporting to the department supervisor, you will be responsible for:

  • Must know safety requirements for the Millwright trade as well as general plant safety
  • Works at assigned tasks under the supervision of Level C and Level B Millwrights
  • Attends training classes as scheduled and maintains passing grade point average in courses
  • Adheres to site-wide Health, Safety, Environmental & Quality compliance
  • Must be able to work at heights
  • Maintains records, tallies, and reports, as required.
  • Maintains a clean, organized, and safe work area.
  • To promote to C and B see summary of All Crafts Second Class

What you'll bring

  • A commitment to the safety of yourself and your team
  • High School diploma or GED equivalent
  • Must be able to read, write and exhibit proficiency in basic Math and English
  • Basic computer skills: Microsoft Word, Internet

Must have the knowledge of:

  • Must demonstrate mechanical aptitude.
  • Have knowledge of safe use of hand and power tools
  • Must have demonstrated initiative, perseverance and ambition in past job positions.

Where you will be working

Rio Tinto Borates is a global leader in industrial mineral supply and science. We supply approximately 25% of the world's demand for refined borates, minerals essential to life and modern living. We seek to create mutual value by working closely with our investment partners and host communities. Our 20 Mule Team Borax brand pays tribute to our first borates mining operation in Death Valley in 1872.

About Rio Tinto

Rio Tinto is a leading global mining and materials company. We operate in 35 countries where we produce iron ore, copper, aluminium, critical minerals, and other materials needed for the global energy transition and for people, communities, and nations to thrive.

We have been mining for 150 years and operate with knowledge built up across generations and continents. Our purpose is finding better ways to provide the materials the world needs - striving for innovation and continuous improvement to produce materials with low emissions and to the right environmental, social and governance standards. But we can't do it on our own, so we're focused on creating partnerships to solve problems, create win-win situations and meet opportunities.

Every Voice Matters

Rio Tinto is committed to equal employment opportunity. All qualified applicants will be considered without regard to race, color, sex, age, religion, national origin, disability, or any other characteristic protected by federal, state, or local law.

We are committed to an inclusive environment where people feel safe, respected and valued. We want our people to feel that all voices are heard and that a variety of perspectives are not only welcome but are essential to our success. We treat all our people fairly and with dignity.

Rio Tinto participates in E- Verify to confirm work authorization. Please visit http://www.ucis.gov/ for more information.

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