Is the Project Engineer role remote?

No — this is an on-site role in Moab, UT, United States.

How much experience is required?

At least 4 years of relevant experience for this Project Engineer role.

Where is the role based?

Mariana Minerals is hiring for this position in Moab, UT, United States.

What seniority level is this role?

Mariana Minerals targets mid-level candidates for this position.

Is this full-time or contract?

Full-time for this Project Engineer role at Mariana Minerals.

Project Engineer at Mariana Minerals

Joblaze summary

The Project Engineer at Mariana Minerals is responsible for designing and implementing innovative mining and refining technologies at the Moab site, overseeing projects from conception to commissioning. Key skills include mechanical engineering expertise, proficiency in process flow diagrams, and hands-on experience with project execution in heavy industrial settings. This role is suited for individuals with at least four years of relevant experience who are comfortable tackling complex challenges independently. Mariana Minerals emphasizes a culture of safety, ownership, and collaboration in its operations.

Joblaze insights

Listed today — first seen on Joblaze October 21, 2026. Last confirmed on Mariana Minerals's careers page October 21, 2026.

Quick facts

Is the Project Engineer role remote?: No — this is an on-site role in Moab, UT, United States.
How much experience is required?: At least 4 years of relevant experience for this Project Engineer role.
Where is the role based?: Mariana Minerals is hiring for this position in Moab, UT, United States.
What seniority level is this role?: Mariana Minerals targets mid-level candidates for this position.
Is this full-time or contract?: Full-time for this Project Engineer role at Mariana Minerals.

From the original posting

The Project Engineer designs and deploys first-of-a-kind mining and refining technologies at our Moab site. In this role, you will work across Mariana's process development, software, plant engineering, project execution, and operations teams to plan, build, and deliver the cross-functional projects that move our plant forward. The work varies week to week, from scoping a project and sizing equipment to standing beside the mechanic and electrician during startup. You will own projects from idea to handover and build new skills along the way.

Responsibilities

Scope, design, and lead process improvement and capital projects from concept through commissioning
Develop process flow diagrams, P&IDs, mass and energy balances, and equipment specifications
Size and select pumps, tanks, piping, and other process equipment
Use plant data to find bottlenecks, improve recovery, and cut costs
Work with the project mechanic and project electrician on installs, checkout, and startup
Partner with controls and operations teams on control strategies and operating procedures
Lead hazard reviews and management of change, and keep projects compliant with site safety standards
Manage project scope, schedule, and budget, including vendor and contractor coordination

Qualifications & Experience

Bachelor's degree in Mechanical Engineering preferred or another related engineering degree
Process or mechanical engineering experience in mining, chemical, oil & gas, or other heavy industrial operations, 4+ years
Hands-on experience taking projects from design through commissioning and startup
Comfort reading and producing P&IDs, PFDs, and equipment datasheets
Strong data skills; experience with process data historians, Python, or similar tools is a plus
Experience with hydrometallurgy, leaching, solvent extraction, or electrowinning is a plus
Comfort working independently and a willingness to jump into unfamiliar problems
EIT or PE is a plus

Schedule

Monday-Friday Days
Occasional weekends based on project needs

Working Environment & Physical Requirements

Work in the processing plant in all weather conditions, including extreme temperatures, with exposure to fumes, dust, diesel, solvents, sulfuric acid, and other hazardous materials
Able to stand, climb, bend, and kneel for extended periods, including work at heights and in tight spaces
Adequate visual acuity, depth perception, and hearing (with correction or aids if needed) to work safely around operating equipment
Ability to lift a minimum of 50 pounds
Ability to wear required PPE at all times on site, including hard hat, safety glasses, steel-toe boots, hearing protection, and respiratory protection when needed

Our culture is built on four principles:

Standard company text repeated across Mariana Minerals's postings is omitted here.

Project Engineer

Our culture is built on four principles:

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