Mining & Natural Resources OPT Jobs in California
Mining & natural resources F-1 OPT sponsorship jobs in California span geothermal energy, rare earth extraction, water resource management, and environmental consulting. Major employers include Chevron, Occidental Petroleum, and firms operating in the Central Valley, Mojave Desert, and Bay Area. OPT-eligible roles typically require a science, engineering, or environmental degree and hands-on fieldwork readiness.
Find Mining & Natural Resources JobsOverview
Showing 5 of 7+ Mining & Natural Resources OPT Jobs in California
Have you applied for this role?
Have you applied for this role?
Have you applied for this role?
Have you applied for this role?
Have you applied for this role?
See all Mining & Natural Resources OPT Jobs in California
Sign up for free to unlock all listings, filter by visa type, and get alerts for new Mining & Natural Resources OPT Jobs in California.
Get Access To All JobsIf you want to drive real change, we have just the place to do it. Our Graduate Program is an opportunity for you to shape Rio Tinto from the inside out. We want you to be part of our leading global company to help take us forward by solving the emerging challenges of our time. At Rio Tinto, we believe the best ideas come from bringing people together with different perspectives to work toward a common goal - to create a better tomorrow.
- For California based roles the expected salary will be between $75,800 – 109,200
About the role
Finding better ways™ to provide the materials the world needs.
We're looking for a recent graduate in Mining Engineering to work with our Mine Engineering Team at our mine and refinery site based in Boron, California. We are an open, connected international team of technical specialists using some of the most exciting data and tools on the planet. We are the world leader in automation and smart mining. We have technical development programs that are industry-leading and recognize the unique nature of your role. These provide opportunities to grow your career through a dedicated technical path while being rewarded for your unique skills.
Working in a challenging and exciting environment, within the Mine Engineering team, you will:
- Build a strong technical foundation while gaining hands-on experience at an active mine site.
- Collaborate with operations, assist in the development of short, medium mining plans.
- Work closely with operations personnel, monitor plans & support production targets.
- Provide support in the preparation of the annual budget and cost forecasts.
- Participate in meetings focused on planning inputs, performance tracking, and follow-up actions.
- Spend time in the field engaging with workforce to communicate plans, gain operational insight, and identify improvement opportunities.
- Support the preparation and delivery of presentations to production crews and management on mine performance, production results, and upcoming mine plans.
What you’ll bring
- A commitment to the safety of yourself and your team
- To be eligible for the Graduate program, you must have completed your studies within the last two years (2024, 2025) or working towards graduation in 2026.
- Bachelor’s degree in Mining Engineering, Earth Sciences, or other related field
- Less than two years of relevant work experience (local and international) (excluding Internships)
- Leadership skills, eagerness to learn and ready for the challenge ahead
- Flexibility and autonomy
- Good communication skills and ability to work in a team
- Valid driving license
- Microsoft Office Excel, Six Sigma, Lean Manufacturing knowledge
-
Experience in Vulcan and/or Leapfrog software is preferred
-
To be eligible, you must have the right to work full-time in the United States.
What we offer
Be recognized for your contribution, your thinking and your hard work, and go home knowing you’ve helped the world progress.
- A work environment where safety is always the number one priority.
- Competitive base salary reflective of your skills and experience with an annual incentive bonus.
- 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.
- Attractive share ownership plan.
- Comprehensive leave policies which cover all the moments that matter in life: PTO (paid time off), paid holidays, and paid bereavement leave.
- A generous parental leave policy, which ensures you’re able to spend quality time with your new family.
- Discount programs for leisure purposes and access to Virgin Pulse with incentives supporting your wellbeing.
- Access to our Employee Assistance Program (EAP), which provides confidential counselling or expert guidance for you and your family to help get through life’s challenges.
Our global Graduate Development Program is designed to prepare the leaders of the future through a series of engaging, progressive and future skills activities. Visit our webpage for a detailed overview of our program.
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.
Rio Tinto reserves the right to remove advertised roles prior to closing dates
#Graduate
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.
If you want to drive real change, we have just the place to do it. Our Graduate Program is an opportunity for you to shape Rio Tinto from the inside out. We want you to be part of our leading global company to help take us forward by solving the emerging challenges of our time. At Rio Tinto, we believe the best ideas come from bringing people together with different perspectives to work toward a common goal - to create a better tomorrow.
- For California based roles the expected salary will be between $75,800 – 109,200
About the role
Finding better ways™ to provide the materials the world needs.
We're looking for a recent graduate in Mining Engineering to work with our Mine Engineering Team at our mine and refinery site based in Boron, California. We are an open, connected international team of technical specialists using some of the most exciting data and tools on the planet. We are the world leader in automation and smart mining. We have technical development programs that are industry-leading and recognize the unique nature of your role. These provide opportunities to grow your career through a dedicated technical path while being rewarded for your unique skills.
Working in a challenging and exciting environment, within the Mine Engineering team, you will:
- Build a strong technical foundation while gaining hands-on experience at an active mine site.
- Collaborate with operations, assist in the development of short, medium mining plans.
- Work closely with operations personnel, monitor plans & support production targets.
- Provide support in the preparation of the annual budget and cost forecasts.
- Participate in meetings focused on planning inputs, performance tracking, and follow-up actions.
- Spend time in the field engaging with workforce to communicate plans, gain operational insight, and identify improvement opportunities.
- Support the preparation and delivery of presentations to production crews and management on mine performance, production results, and upcoming mine plans.
What you’ll bring
- A commitment to the safety of yourself and your team
- To be eligible for the Graduate program, you must have completed your studies within the last two years (2024, 2025) or working towards graduation in 2026.
- Bachelor’s degree in Mining Engineering, Earth Sciences, or other related field
- Less than two years of relevant work experience (local and international) (excluding Internships)
- Leadership skills, eagerness to learn and ready for the challenge ahead
- Flexibility and autonomy
- Good communication skills and ability to work in a team
- Valid driving license
- Microsoft Office Excel, Six Sigma, Lean Manufacturing knowledge
-
Experience in Vulcan and/or Leapfrog software is preferred
-
To be eligible, you must have the right to work full-time in the United States.
What we offer
Be recognized for your contribution, your thinking and your hard work, and go home knowing you’ve helped the world progress.
- A work environment where safety is always the number one priority.
- Competitive base salary reflective of your skills and experience with an annual incentive bonus.
- 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.
- Attractive share ownership plan.
- Comprehensive leave policies which cover all the moments that matter in life: PTO (paid time off), paid holidays, and paid bereavement leave.
- A generous parental leave policy, which ensures you’re able to spend quality time with your new family.
- Discount programs for leisure purposes and access to Virgin Pulse with incentives supporting your wellbeing.
- Access to our Employee Assistance Program (EAP), which provides confidential counselling or expert guidance for you and your family to help get through life’s challenges.
Our global Graduate Development Program is designed to prepare the leaders of the future through a series of engaging, progressive and future skills activities. Visit our webpage for a detailed overview of our program.
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.
Rio Tinto reserves the right to remove advertised roles prior to closing dates
#Graduate
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.
OPT Mining & Natural Resources Job Roles in California
See all Mining & Natural Resources OPT Jobs in California
Sign up for free to filter by visa type, set job alerts, and find employers with verified sponsorship history.
Search Mining & Natural Resources Jobs in CaliforniaMining & Natural Resources OPT Sponsorship Jobs in California: Frequently Asked Questions
Which mining & natural resources companies sponsor F-1 OPT visas in California?
California-based employers with documented F-1 OPT hiring in mining and natural resources include Chevron, Occidental Petroleum, CalEnergy (a Berkshire Hathaway Energy subsidiary operating Salton Sea geothermal fields), and environmental engineering firms such as Tetra Tech and AECOM. Water utilities and rare earth processing companies operating in the Mojave and Central Valley regions have also filed LCAs for OPT-eligible roles.
Which cities in California have the most mining & natural resources F-1 OPT sponsorship jobs?
San Ramon and Bakersfield host the most oil, gas, and extraction roles, with Chevron and independent operators maintaining large workforces there. Brawley and Calipatria near the Salton Sea are centers for geothermal energy employment. Sacramento and Oakland anchor environmental consulting and water resource management hiring. Los Angeles houses regional headquarters for several multinational mining and energy companies with active OPT sponsorship histories.
What types of mining & natural resources roles typically qualify for F-1 OPT sponsorship?
Roles that consistently qualify include petroleum engineer, environmental scientist, geologist, hydrologist, geotechnical engineer, mining engineer, and environmental compliance specialist. These positions align with degree fields such as geology, petroleum engineering, environmental engineering, earth sciences, and chemical engineering. STEM-designated degree programs in these fields may also make graduates eligible for the 24-month STEM OPT extension, significantly extending their authorized work period.
How do I find mining & natural resources F-1 OPT sponsorship jobs in California?
Migrate Mate is built specifically for F-1 OPT job seekers and filters listings by visa type, industry, and state, making it straightforward to surface mining and natural resources roles in California where employers have active sponsorship history. Because Migrate Mate draws on DOL Labor Condition Application data, you can identify companies that have sponsored OPT workers in this industry before, rather than applying blindly and discovering sponsorship limitations later in the process.
Are there any California-specific considerations for F-1 OPT sponsorship in mining & natural resources?
California's environmental regulations under CEQA and strict air and water quality standards have expanded demand for environmental scientists and compliance engineers, roles that frequently appear in OPT-sponsored job postings. The state's moratorium on new offshore drilling and its push toward geothermal and lithium extraction at the Salton Sea have shifted hiring toward clean energy and critical minerals. STEM OPT eligibility is common in this sector given the prevalence of engineering and applied science degree requirements.