Process Engineering Intern

Benefits

Parental leave

Not verified

Non-birth-parent leave

Not verified

Family-building benefits

• Fertility benefits: Not verified
• Adoption assistance: Not verified
• Surrogacy assistance: Not verified

Mental health support

Not verified

Relocation assistance

Not verified

Childcare support

Not verified

Learning budget

Not verified

Verification

Not verified

Salary

Not verified

401(k) match

Not verified

Was this benefit information wrong? Tell us.

Schedule

Shift type

Not verified

Weekend work

Not verified

Application

Cover letter

Not verified

Assessment

Not verified

Deadline

Not stated

Where they hire

State eligibility is not yet verified.

About this role

Process Engineering Intern San Francisco HQ, San Francisco, California, US About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We're reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making. The Role We are hiring a Process Engineering Intern to work on real, high-impact problems within the Pilot Plant Operations team in San Francisco. You will contribute directly to benchtop experiments, pilot plant test runs, and the creation of key plant operational programs, working closely with engineers and domain experts. This role is designed to provide hands-on experience building and shipping solutions, not just supporting tasks. What You'll Do - Drive experiments in the lab and pilot plant to de-risk scaleup of critical minerals processing steps - Build, test, and iterate on solutions to increase product recovery, decrease equipment downtime, controls costs, and improve health & safety - Collaborate with engineering, management, and software engineering to build programs and applications for Mariana's operations teams - Collaborate with cross-functional team members (engineering, operations, analytical lab, etc) - Present outcomes and learnings at the end of the internship Desired Qualifications - Currently pursuing or recently completed degree in chemical engineering, metallurgy, materials science, or a related field - Strong fundamentals in process design, thermodynamics, and reaction engineering - Hands-on experience in a laboratory, pilot plant, or commercial scale plant through previous projects, coursework, and/or internships - Ability

Read the full description at jobs.ashbyhq.com. FewerJobs shows a source-linked preview and links to the original posting.