Custodian/General Labor

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:

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.

Monitor and restock cleaning supplies and facility consumables.

Identify and report maintenance needs or safety hazards promptly.

Grounds Maintenance & Landscaping

Conduct routine landscaping tasks including weed control and snow removal as needed.

Maintain outdoor areas to ensure a clean, safe, and professional appearance.

Operate landscaping tools and equipment safely and efficiently.