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

Mariana Minerals is looking for an Engineering Coordinator to help drive the delivery of mineral processing and refinery projects.

As an Engineering Coordinator at Mariana Minerals, you will coordinate schedules, budgets, and documentation across engineering disciplines, keeping design projects on track from concept through construction support.

What You’ll Do

• Coordinate schedules, deliverables, and priorities across process, mechanical, electrical, civil, instrumentation, and structural engineering.

• Track project costs and budgets.

• Maintain project documentation in collaboration with document controllers, including drawing registers, transmittals, RFIs, and design basis documents.

• Coordinate document control processes, ensuring deliverables are reviewed, approved, and issued on schedule.

• Develop and maintain project schedules in Microsoft Project, tracking milestones and critical-path activities.

• Liaise with engineering contractors to track engineering activities.

• Prepare progress reports, meeting minutes, and status updates for internal teams and clients.

• Identify schedule risks and bottlenecks and help develop mitigation plans.

• Develop and implement processes and procedures to improve project coordination and efficiency.

• Actively engage in development of Mariana’s internal software tools.

What You’ll Bring

• Bachelor’s degree in an engineering discipline or equivalent experience.

• 5+ years of professional experience.

• Experience tracking costs within a project environment.

• Proficiency with Microsoft Office tools, especially Excel and Microsoft Project.

• Ability to manage multiple projects simultaneously in a deadline-driven environment.

• Ability to work effectively with cross-functional teams, manage competing priorities, and support delivery of high-quality engineering packages under schedule constraints.