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.

Mariana Minerals is seeking a Recruiting Coordinator to join our growing Recruiting team. As we continue to scale, we’re looking for a highly organized, proactive, and detail-oriented person who will play a key role in supporting our hiring and delivering a great candidate experience.

In this role, you’ll partner closely with recruiters and hiring managers to schedule interviews, manage candidate communication, keep candidate data accurate in Ashby, and support each stage of the hiring process. You’ll also have the chance to take initiative on ways to improve how we recruit. The ideal candidate enjoys a fast-paced environment, likes solving scheduling challenges, and takes pride in giving candidates and internal teams outstanding service. This is a great opportunity to grow your career in recruiting while helping build the future of critical minerals.

What You’ll Do

• Schedule interviews across time zones, including panels with several interviewers

• Guide candidates through each step, from the first call to the offer

• Keep candidates, recruiters, and hiring managers informed at every stage so no one is left waiting for an update

• Partner with recruiters and hiring managers to keep interviews organized and on schedule

• Keep candidate records in Ashby accurate and up to date

• Post new roles and keep job listings current

• Find ways to improve how we recruit and help put those changes in place

• Create a welcoming, positive experience for every candidate

What We’re Looking For

• 2-5+ years of experience as a recruiting coordinator

• Hands-on experience with Ashby

• Skilled at managing busy calendars and complex schedules

• Highly organized, with strong attention to detail

• Clear, friendly communication, both written and spoken

• A strong sense of ownership and follow-through

• Likes finding better ways to do things and acting on them

• A team player who works well with others

Our culture is built on four principles:

Everyone Gets Home Safe. We never put speed or cost ahead of people.

Extreme Ownership. We take full responsibility for outcomes, relentlessly driving toward solutions.

Engineer Out Requirements, then Automate. We simplify, optimize, and then automate for scale.

Share Your Legos. We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.

Join us as we build the future of responsible mineral sourcing and supply!