Mining & Natural Resources E-3 Sponsorship Jobs in California
Mining and natural resources E-3 visa sponsorship jobs in California are concentrated around the state's active mining districts in the Mojave Desert, the Mother Lode region, and the Central Valley. Major operators including Freeport-McMoRan, Chevron, and various rare earth and aggregate companies regularly file Labor Condition Applications for geologists, environmental engineers, and resource management specialists.
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Get Access To All JobsCMX Coordinator
- Join a leader in mining & metals organization offering outstanding personal development & global career opportunities
- Opportunity to develop skills and leverage your leadership through exposure to a variety of projects
- Collaborate with a team of seasoned professionals where people are encouraged to be proactive, curious while offering unique perspectives
- Role based in Boron, California
- For California based roles the expected annual salary range is $108,240 - $148,830
About the Role
We are looking for a CMX Coordinator to join our Project and Engineering team. In this role, you will be responsible for helping manage the Contractor Management process here in Boron. You will collaborate with multidisciplinary contractor teams and internal/external subject-matter experts (SMEs).
In Boron, the CMX Coordinator plays a key role in overseeing contractor management activities, including coordination of onsite crane and elevator maintenance programs, support for major refinery projects, work scheduling for the CMX team, and mentoring Designated Managers to ensure effective contractor oversight and compliance.
This role is a great opportunity for a self-motivated individual, preferably with a maintenance or construction background as well as planning and scheduling experience with SAP.
Reporting to the Contractor Management Superintendent, you will:
- Coordinate and support the Boron Contractor Management program, ensuring compliance with site standards, procedures, and Element 7 requirements.
- Partner with contractors, Designated Managers, and site stakeholders to promote safe, effective, and compliant contractor work execution.
- Facilitate contractor onboarding, scheduling, governance, and administrative processes throughout the contractor lifecycle.
- Mentor Designated Managers and provide guidance on contractor management best practices and requirements.
- Support continuous improvement initiatives that enhance contractor performance, transparency, quality, and operational efficiency.
What you’ll bring
- A commitment to the safety of yourself and your team
- 4-year college degree preferred; high school diploma or equivalent required
- Preferred 5+ years industrial maintenance background
- Must be proficient in the use of SAP and Microsoft Office products
- Must have a strong, demonstrated commitment to safety, with strong leadership, supervisory, and people skills
- Must demonstrate a style of participative management in problem solving, project implementation, integration, and continuous improvement
- Must possess strong written and verbal communication skills, with the ability to manage multiple projects simultaneously and effectively interface with stakeholders at all levels
- Valid driver's license required
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.
- Excellent retirement plan including up to 6% defined company contribution; Generous 401k matching program
- Generous Rio Tinto employee share program, which allows you to purchase Rio Tinto Company shares.
- Comprehensive leave policies which cover all moments that matter in life: PTO (paid time off), paid holidays, and paid bereavement leave.
- A favorable child-caregiver leave program (Up to 100% salary top-up)
- Discount programs for leisure purposes and access to Virgin Pulse with incentives supporting your wellbeing
- 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’ll 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
Every idea, every innovation, every little thing the world calls ‘progress’ begins with a first step, and someone willing to take it: explorers, inventors, entrepreneurs. Pioneers.
For nearly 150 years, Rio Tinto has been a company of pioneers – generations of people spanning the globe, all with the grit and vision to produce materials essential to human progress. Our iron ore has shaped skylines from Shanghai to Sydney. Our aluminum – the world’s first to be certified “responsible” – helps planes fly and makes cars lighter. Our copper helps wind turbines power cities and our boron helps feed the world and explore the universe. Our diamonds help us celebrate the best parts of life.
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.
CMX Coordinator
- Join a leader in mining & metals organization offering outstanding personal development & global career opportunities
- Opportunity to develop skills and leverage your leadership through exposure to a variety of projects
- Collaborate with a team of seasoned professionals where people are encouraged to be proactive, curious while offering unique perspectives
- Role based in Boron, California
- For California based roles the expected annual salary range is $108,240 - $148,830
About the Role
We are looking for a CMX Coordinator to join our Project and Engineering team. In this role, you will be responsible for helping manage the Contractor Management process here in Boron. You will collaborate with multidisciplinary contractor teams and internal/external subject-matter experts (SMEs).
In Boron, the CMX Coordinator plays a key role in overseeing contractor management activities, including coordination of onsite crane and elevator maintenance programs, support for major refinery projects, work scheduling for the CMX team, and mentoring Designated Managers to ensure effective contractor oversight and compliance.
This role is a great opportunity for a self-motivated individual, preferably with a maintenance or construction background as well as planning and scheduling experience with SAP.
Reporting to the Contractor Management Superintendent, you will:
- Coordinate and support the Boron Contractor Management program, ensuring compliance with site standards, procedures, and Element 7 requirements.
- Partner with contractors, Designated Managers, and site stakeholders to promote safe, effective, and compliant contractor work execution.
- Facilitate contractor onboarding, scheduling, governance, and administrative processes throughout the contractor lifecycle.
- Mentor Designated Managers and provide guidance on contractor management best practices and requirements.
- Support continuous improvement initiatives that enhance contractor performance, transparency, quality, and operational efficiency.
What you’ll bring
- A commitment to the safety of yourself and your team
- 4-year college degree preferred; high school diploma or equivalent required
- Preferred 5+ years industrial maintenance background
- Must be proficient in the use of SAP and Microsoft Office products
- Must have a strong, demonstrated commitment to safety, with strong leadership, supervisory, and people skills
- Must demonstrate a style of participative management in problem solving, project implementation, integration, and continuous improvement
- Must possess strong written and verbal communication skills, with the ability to manage multiple projects simultaneously and effectively interface with stakeholders at all levels
- Valid driver's license required
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.
- Excellent retirement plan including up to 6% defined company contribution; Generous 401k matching program
- Generous Rio Tinto employee share program, which allows you to purchase Rio Tinto Company shares.
- Comprehensive leave policies which cover all moments that matter in life: PTO (paid time off), paid holidays, and paid bereavement leave.
- A favorable child-caregiver leave program (Up to 100% salary top-up)
- Discount programs for leisure purposes and access to Virgin Pulse with incentives supporting your wellbeing
- 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’ll 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
Every idea, every innovation, every little thing the world calls ‘progress’ begins with a first step, and someone willing to take it: explorers, inventors, entrepreneurs. Pioneers.
For nearly 150 years, Rio Tinto has been a company of pioneers – generations of people spanning the globe, all with the grit and vision to produce materials essential to human progress. Our iron ore has shaped skylines from Shanghai to Sydney. Our aluminum – the world’s first to be certified “responsible” – helps planes fly and makes cars lighter. Our copper helps wind turbines power cities and our boron helps feed the world and explore the universe. Our diamonds help us celebrate the best parts of life.
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.
E-3 Mining & Natural Resources Job Roles in California
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Search Mining & Natural Resources Jobs in CaliforniaMining & Natural Resources E-3 Sponsorship Jobs in California: Frequently Asked Questions
Which mining and natural resources companies sponsor E-3 visas in California?
California-based employers that have filed Labor Condition Applications for mining and natural resources roles include large oil and gas operators in the Central Valley, rare earth mining companies in the Mojave Desert, aggregate and cement producers, and environmental consulting firms supporting extraction projects. Companies such as Chevron, Vulcan Materials, and MP Materials have a documented history of sponsoring specialty occupation roles relevant to E-3 applicants.
Which cities in California have the most mining and natural resources E-3 sponsorship jobs?
Bakersfield leads California for oil and gas roles, reflecting the concentration of San Joaquin Valley production operations. Sacramento hosts regulatory, environmental, and resource management positions tied to state agencies and consulting firms. The Inland Empire and the High Desert corridor near Barstow and Ridgecrest support mining operations including rare earth and industrial mineral extraction, generating demand for geologists and mining engineers.
What types of mining and natural resources roles typically qualify for E-3 sponsorship?
Roles that commonly meet the E-3 specialty occupation standard in this industry include geologist, petroleum engineer, environmental engineer, mining engineer, hydrologist, and geophysicist. Each of these positions typically requires at least a bachelor's degree in a directly related field such as geology, earth sciences, or engineering. General labor, equipment operation, and trade positions do not meet the specialty occupation requirement and are not eligible for E-3 sponsorship.
How do I find mining and natural resources E-3 sponsorship jobs in California?
Migrate Mate lists California mining and natural resources roles from employers with verified E-3 Labor Condition Application filing history, so you can filter specifically for companies that have already demonstrated willingness to sponsor Australian nationals. Searching by industry and state on Migrate Mate narrows results to relevant specialty occupation positions in geoscience, petroleum engineering, and environmental management, removing the guesswork of cold-applying to employers unfamiliar with the E-3 process.
Are there any California-specific considerations for E-3 sponsorship in mining and natural resources?
California's stringent environmental regulations, including those administered by the State Water Resources Control Board and the Department of Conservation's Division of Oil, Gas, and Geothermal Resources, create demand for compliance-focused specialists that can support E-3 sponsorship. Additionally, California's active rare earth and critical mineral sector is expanding, and employers in this space increasingly require degreed geoscientists and engineers whose qualifications align well with E-3 specialty occupation requirements.
What is the prevailing wage for E-3 mining & natural resources jobs in California?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.