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Salary
≈ $45k – $73k per year (Estimated)
Location
In office (Phoenix)
Seniority
Intern · 2+ years exp
Employment
Internship

Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Oct 8, 2026. Rio Tinto scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Rio Tinto is a mining group founded in 1873 when investors bought a copper mine in southern Spain, and it now operates as a dual-listed company with corporate offices in London and Melbourne. Its largest business by far is iron ore from the Pilbara region of Western Australia, an integrated system of mines, rail and ports that supplies Chinese steelmaking, followed by aluminium, copper from Oyu Tolgoi in Mongolia and Kennecott in Utah, and industrial minerals including borates and titanium dioxide. The group has moved into battery materials through lithium assets in Argentina and the acquisition of Arcadium, while working to decarbonise aluminium smelting.

If you want to drive real change, we have just the place to do it. Our Internship 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.

About the role

Finding better ways™ to provide the materials the world needs.

We are offering a 3-month internship opportunity in Engineering based at our Johnson Camp Mine (JCM) worksite just outside Tucson, Arizona.

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, your responsibilities may involve:

  • Catalog each process instrument.
  • Create data sheets with both nominal and actual process information.
  • Compile O&M manuals.
  • Develop wiring diagrams.
  • Create set-up drawings.
  • Document actual set-up photographs.
  • Assess instrument quality, configuration, and operation.
  • Provide recommendations for future re-use and improvements.
  • Recover the complete set of M3 manuals delivered to JCM.
  • Develop as-built manuals covering the full process, including scale-ups.
  • Incorporate proprietary data, diagnostic tools, and detailed functional descriptions.
  • undefined

What you’ll bring

  • At least two years completed in Electrical, Industrial, Mechanical or Chemical Engineering
  • Leadership skills, eagerness to learn and ready for the challenge ahead
  • Flexibility and autonomy
  • Good communication skills and ability to work in a team

*To be eligible, you must be a registered student at a recognized American university, have the right to work full-time in the United States and have a valid Driver’s license.

What we offer

  • A work environment where safety is always the number one priority
  • A competitive salary
  • A relocation lump-sum offered for students (for eligible students)
  • Reimburse 1-time travel to and from your work site (for eligible students)
  • Ambitious, exciting and rewarding experience
  • Opportunity to build relationships with the Rio Tinto team and community
  • A great chance to prepare yourself to join our Graduate Development Program

Where will you be working

Nuton™ is an innovative Rio Tinto venture founded on extensive copper leach technology research. Although our research is vast, our ambition has been focused from our beginning - producing better copper with a smaller environmental footprint. The first commercial scale deployment of the Nuton technology is currently under construction at Gunnison’s Johnson Camp Mine located 1 hour outside Tucson, Arizona.

*Rio Tinto reserves the right to remove job postings as there is enough applicants, therefore, if you are interested in applying for this vacancy, please submit your application as soon as possible.

#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.

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