Senior Process Engineer

Senior Process Engineer

Lithium Americas is a North American resource and materials company focused on developing, building, and operating lithium deposits and chemical processing facilities. The company’s flagship asset, Thacker Pass, is located in Humboldt County in northern Nevada and is the world’s largest known measured lithium source and reserve. We are focused on safely and responsibly developing Thacker Pass to production to help strengthen national security and enable cleaner energy sources.

We are committed to minimizing environmental impact, creating family‑supporting jobs, and maximizing sustainable value for our stakeholders.

Lithium Americas is headquartered in Vancouver, British Columbia and operates in the U.S., with offices in Reno, NV and Winnemucca, NV. The Company’s shares are listed on the Toronto Stock Exchange (TSX) and New York Stock Exchange (NYSE) under the symbol LAC.

Our purpose, vision and values are the guiding principles that will serve as the cornerstone of our company’s future direction and operations, aligning our team and organization towards our common goals.

Our purpose is to safely and sustainably produce lithium from Thacker Pass to enable North America to reduce dependence on foreign critical minerals and drive value for our stakeholders.

Our vision is to be North America’s leading lithium producer to enable cleaner energy sources.

Our values include Act with Integrity, Be Responsible and Act with Care, Commit to Excellence and Drive Innovation, and Be a Collaborative Partner.

We are seeking a Senior Process Engineer to join our Engineering team. In this role, you will be responsible for leading and supporting Lithium Americas’ efforts in safely and effectively building, commissioning, and operating the sulfuric acid plant and lithium processing facilities at Thacker Pass. This position plays a critical role in providing advanced technical leadership and process engineering expertise to plant operations, ensuring safe, reliable, and efficient performance across chemical processing systems and unit operations associated with sulfuric acid production and lithium processing.

The Senior Process Engineer will serve as a key technical authority for our processing facilities, leading troubleshooting efforts, guiding process optimization, and driving continuous improvement initiatives. The successful candidate will demonstrate strong leadership and communication skills, a proven track record of solving complex process challenges, and deep familiarity with sulfuric acid production and chemical processing systems. This role is instrumental in establishing and advancing operating practices that support stewardship, safety, quality, and overall plant performance.

The role is based at Thacker Pass and reports to the Site Engineering Manager. Occasional travel to other Lithium Americas offices, business units, engineering partners, or vendor locations may be required.

• Provide leadership of and promote Lithium Nevada’s safety-first culture. Ensure strict compliance with OSHA and MSHA regulations as well as Lithium Nevada’s site‑specific safety program. Perform all engineering activities with a safety‑first mindset. Promote and foster employee "stop work" authority. Identify, report and mitigate safety hazards and observations as part of daily activities and safety walks. Champion safety standards and promote communication and accountability within all production areas.
  
  Support pre‑commissioning, commissioning, and start‑up activities for the Thacker Pass Mine and Lithium Processing Facility in close coordination with Mining, Commissioning, and Start‑Up teams.

• Lead pre‑commissioning, commissioning, and start‑up activities for the Thacker Pass Sulfuric Acid Plant and Lithium Processing Facility in coordination with the Commissioning and Start‑Up team

• Provide advanced technical leadership and day‑to‑day process engineering support to Operations, including complex troubleshooting and process optimization

• Analyze and interpret process data and trends from DCS historians to…