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Maintenance Supervisor

6600 U.S. Borax Inc
Boron, CA Full Time
POSTED ON 5/14/2026
AVAILABLE BEFORE 6/5/2026
Maintenance Supervisor Excellent Opportunity to develop your career as a Maintenance Supervisor - Boron, CA Become a team leader at a global mining company with the latest technology and innovations. Expand and uphold our world class reputation for safety and performance. For California based roles the expected salary rate is $90,000-$123,000 About the role We are looking for a Maintenance Supervisor to lead a team of Maintenance Tradespersons (5 - 15 individuals) in executing maintenance activities ensuring asset management processes are consistently applied. This role is a great opportunity to learn and develop your career. Working and reporting to the Superintendent, you will be: Monitoring working practices and adherence to safety procedures to ensure safety of employees. Complying with Rio Tinto and Statutory Safety requirements Understanding, applying, adhering to the approved maintenance work management program and ensuring compliance to planned and scheduled work orders. Allocating maintenance coverage for breakdowns. Resolves on the job issues (with regards to planned maintenance activities, maintenance shutdowns, etc.) Managing, supervising and allocating work to a team of trade employees in maintenance activities. Interfacing with planners and fellow Supervisors to assist in planning and scheduling of work. Ensuring work is completed in accordance with the Collective Bargaining Agreement and soliciting input from team members. What you'll bring To be successfully considered for this role, you will have: High School Diploma or equivalent, but more advanced degree preferred 5 years of experience in a maintenance/operation or a related field Experience supervising a team Knowledge of mining equipment, subsystems, lubrication properties and equipment troubleshooting Excellent computer skills, knowledge of MS Office, Excel& SAP It will also be beneficial if you have: Knowledge of MSHA regulations What we offer We are committed to providing our employees with what they deserve. Be recognized for your contribution, your thinking, your hard work, and go home knowing you’ve helped the world progress, we provide: A safety-focused and inclusive working environment Advantageous salary package with annual cash incentive awards (STIP) for eligible employees Access to top tier family-friendly health programs including medical, prescription drug, dental, vision, life insurance coverage, and various voluntary benefits. A 6% of eligible pay Company contribution to save for your retirement needs Generous 401(k) Company match program (company match dollar per dollar up to 6% of your base pay) up to defined limits Generous Rio Tinto employee share program, which allows you to purchase Rio Tinto stock in the form of ADRs and includes matching Company shares. Comprehensive leave policies which cover all moments that matter in life (vacation, short-term sick leave, paid holidays, paid bereavement leave). Regional and national discounts program for a multitude of leisure purposes and products Ongoing Employee Assistance Program (EAP) for you and your family; to help in addressing educational opportunities, addiction treatment, depression, stress, domestic issues, financial management, and legal concerns. Our team and industry experts are here to support and work with you to explore your learning potential and career goals 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. Respect and Inclusion 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. A drive for innovation and continuous improvement is at the heart of our company's purpose: Finding better ways to provide the materials the world needs. Here, you’ll find a home for curious people who care about their work and colleagues, are courageous about finding better ways to do things, and are empowered to adapt quickly to solve problems and meet opportunities. We are committed to an inclusive environment where people feel comfortable to be themselves. We want our people to feel that all voices are heard, all cultures respected and that a variety of perspectives are not only welcome – they are essential to our success. We treat each other fairly and with dignity regardless of race, gender, nationality, ethnic origin, religion, age, sexual orientation or anything else that makes us different.

Salary : $90,000 - $123,000

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