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.

Job Summary:
We are seeking a dependable and self-motivated Custodian / General Laborer to support the cleanliness, maintenance, and overall functionality of all site buildings and grounds. This role is essential to creating and maintaining safe, organized, and professional workspaces across the operation. The ideal candidate will take pride in their work, demonstrate strong organizational skills, and be flexible in supporting a variety of labor needs across departments.

Key Responsibilities:

1. Facility Cleaning & Upkeep

• Perform daily and scheduled deep cleaning of all site buildings, including offices, restrooms, break areas, and common spaces.

• Maintain cleanliness standards through sweeping, mopping, dusting, trash removal, and sanitization.