Sr. Metallurgical Process Engineer
Mariana Minerals · Moab, UT
- Level
- Senior
- Team
- Process
- Experience asked
- 5+ years
- Industry
- Industrial
- Posted
- Recently
The role in 30 seconds
A senior process role at Mariana Minerals (industrial) in Moab, UT.
- They ask for
- 5+ years
- Tools it names
- Automation, EHS / safety
Read from the posting. The full description is below.
From the plant jobs report · week of October 19, 2026
Process Engineer roles in the US: typical posted base $92k–$130k.
Median of the low and high ends of 265 live postings that list pay, out of 780 process engineer openings in the US, read from manufacturers' own careers sites.
Utah plant jobs report →Pay by team and state →What moves pay →
How this role compares
Against 17 other live process postings in Utah.
- Experience asked
- Less than usual (5+ vs 6+)
Similar roles usually ask 6+ years.
Skills these teams ask for most
- Lean 22%
- ✓ Automation 22%
✓ = this posting asks for it too. % = share of similar postings that mention it.
At a glance
Pulled from the posting text. If it's not listed here, the posting didn't say.
How to get in at this plant
Five moves over a week or two. The first one takes ten minutes.
- 1
Pick 2–3 people on the Process team at Mariana Minerals
Engineers who joined in the last year or two reply the most. Use the team search on this page to find them.
- 2
Send a short, curious note
One real question about their work. No favors yet. Each person gets a different note, written for this role.
- 3
Turn a reply into a short call
Questions worth asking about this team:
- What does a normal week look like on your team?
- Is the work mostly new product launches or sustaining existing lines?
- How much time do you spend on the floor versus at a desk?
- How did you land the job? What stood out in your interviews?
- 4
Apply with someone vouching for you
If the call went well, ask whether they’d pass your résumé to the hiring manager. Send your résumé link, apply that day, and let them know.
- 5
Bring proof to the interview
One page of before-and-after numbers from projects you led: scrap, OEE, cycle time, cost. Plant managers hire on results.
Full description from Mariana MineralsAs posted on their careers site.ShowHide
Sr. Metallurgical Process EngineerMariana 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.Role OverviewMariana Minerals is seeking a highly motivated Sr. Metallurgical Process Engineer to support process development activities & scale-up experiments at our CopperOne mine outside of Moab, UT. You will oversee engineering and operations of our bioleaching columns and other pilot scale equipment supporting current and future mine projects. This role is highly hands-on and will play a key role in bridging R&D and operations, helping scale technologies from laboratory development through pilot demonstration and ultimately to commercial mining. You will work closely with R&D, technicians, metallurgists, and cross-functional teams to ensure processes are robust, efficient, and suitable for future development & scale-up.What You'll DoOperate, troubleshoot, and improve leaching columns and other pilot-scale processing equipment in collaboration with techniciansDesign and execute pilot-scale experiments to bridge learnings between R&D and commercial mine scaleDevelop and maintain key process documentation including PFDs, P&IDs, operating procedures, mass balances, etcAnalyze experimental and operational data to identify opportunities for process optimization and scale-upSupport development of automated monitoring and optimization tools in collaboration with software and machine learning teamsEnsure safe operations by supporting EHS, hazard assessments, risk management, and management of change processesWhat You'll BringB.S., M.S., or PhD in Chemical Engineering, Mining Engineering, Metallurgy or a related field5+ years of experience in mining, operations, process scale-up, or plant design in minerals processing, chemicals, specialty materials, oil & gas, or related industriesAbility to design experiments, troubleshoot complex processes, and analyze operational datasetsProven ability to utilize software and automation to improve process performance while reducing errors and resource intensityStrong commitment to Health, Safety, and Environmental complianceExcellent technical writing, communication, and teamwork skillsComfortable working in fast-paced environments, wearing multiple hats, and managing ambiguityOur culture is built on three principles: Extreme Ownership – We take full responsibility for outcomes, relentlessly driving toward solutions. Engineer Out Requirements, then Automate – We simplify, optimize, and then automate for scale. Share Your Legos – We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.Join us as we build the future of responsible mineral sourcing and supply.