Sr. Site Development Engineer

The role

You will lead the planning and design of greenfield project sites. This includes end-to-end site development from early-stage selection through construction execution for mining and metallurgical processing facilities.

What you will do

• Develop and optimize site layouts including grading, drainage, and utility corridors
• Drive early-stage site selection, feasibility studies, and due diligence
• Design and review earthwork plans and mass grading strategies
• Coordinate site infrastructure systems including roads and underground utilities
• Manage and coordinate external engineering firms, consultants, and contractors
• Oversee development of issued-for-construction packages for site civil works
• Collaborate with structural, process, mechanical, and electrical teams
• Review and validate 3D models and design packages
• Conduct constructability reviews and support cost estimation and scheduling
• Support permitting and regulatory approvals

Required qualifications

• Bachelor’s degree in Civil Engineering
• 10+ years of experience in site development and civil engineering for industrial, mining, or large-scale infrastructure projects
• Proven experience delivering greenfield capital projects from concept through construction
• Site grading and drainage design
• Earthwork optimization and mass balance
• Stormwater management and hydrology/hydraulics
• Roadway and access design
• Underground utilities and infrastructure systems
• Working knowledge of geotechnical principles and site constraints
• Familiarity with permitting and regulatory requirements for site development
• Proficiency with Civil 3D
• Proficiency with AutoCAD, Revit, Navisworks, Bluebeam

Nice to have

• Master’s degree
• Professional Engineer (PE) license or ability to obtain within 6 months
• Industrial manufacturing experience
• Mining or mineral processing experience
• Chemical or process facilities experience
• Engineering, procurement, and construction (EPC) environments

About the company

Mariana Minerals is a software-first, vertically integrated minerals company. They aim to supply critical minerals for energy, AI, and defense technologies by combining industry expertise with advanced software and automation.