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

We are hiring a Senior Safety Engineer to lead ISO 45001 implementation and help our teams solve safety challenges in equipment and facility design. You will establish the system at an initial site, build company policies and procedures that other locations can use, and support integration as Mariana develops new operations.

You will also work closely with Engineering on risk assessments, safety requirements, calculations, and validation. The expected focus is approximately 50% ISO 45001 and OHS management systems, 30% functional safety engineering, and 20% general safety engineering support. You will spend time with the people doing the work and turn technical requirements into solutions they can use.

What You'll Do

• Lead the ISO 45001 gap assessment and implementation plan, with clear priorities, owners, milestones, and evidence of completion.