Project Engineering Manager

About the Company

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.

Responsibilities

• Manage engineering activities across internal engineering teams, external engineering partners, and vendors
• Take a hands-on approach in developing project-level designs and associated documentation
• Manage review/approval workflows for engineering documents, vendor submittals, and project deliverables
• Coordinate cross-discipline engineering reviews across process, mechanical, structural, piping, electrical, instrumentation, and construction teams
• Track engineering deliverables and action items using logs, trackers, and registers
• Lead technical interface management to resolve gaps between disciplines, vendors, and EPC partners
• Organize and lead model reviews, design reviews, and coordination meetings
• Assist in building and improving digital project-execution tools to automate workflows

Requirements

• Bachelor’s degree in Engineering (Chemical, Mechanical, Civil, Industrial, or related discipline)
• 7-15+ years of experience in project engineering, project management, or EPC/EPCM environments
• Familiarity with EPC project workflows including document control, design reviews, and RFI management
• Proficiency in project planning, document management, and risk management tools
• Strong communication and coordination skills for interfacing across disciplines
• Ability to work in a fast-paced, first-principles-oriented environment