Sourcer

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. Join us as we build the future of mining and minerals refining.

About the Role

We are hiring a Sourcer to help build Mariana’s world-class team. In this role, you’ll be responsible for identifying, engaging, and delivering top-of-funnel talent across technical, engineering, and business functions. You’ll partner closely with our Head of Recruiting and hiring managers to strategically map talent markets, craft outreach campaigns, and ensure a steady pipeline of candidates that enables us to move fast on critical hires.

This role is an opportunity to shape how we attract exceptional people who are excited to solve the looming critical minerals challenge and scale Mariana into a category-defining company.

Responsibilities

• Partner with stakeholders and hiring managers to deeply understand role requirements and ideal candidate profiles.

• Strategically source passive candidates across multiple channels (LinkedIn, GitHub, professional networks, referrals, events).

• Build and maintain talent pipelines for current and future hiring needs.

• Craft compelling, personalized outreach to engage candidates and drive response rates.

• Conduct initial candidate screens to assess interest and alignment before passing to recruiters/hiring managers.

• Track and manage candidate pipelines in our ATS (Ashby) with high attention to detail.

• Deliver insights on talent markets, competitive intelligence, and sourcing strategy effectiveness.

Qualifications

Must Haves

• 2+ years of sourcing or recruiting experience, ideally in tech, engineering, or startup environments.

• Proven ability to identify and engage passive candidates through creative sourcing strategies.

• Strong written and verbal communication skills, with ability to craft compelling outreach.

• Highly organized, with strong attention to detail in managing pipelines and candidate data.

• A proactive, solutions-oriented mindset with a passion for building teams.

Nice to Haves

• Experience sourcing for technical roles (software engineering, hardware engineering, chemical processing).

• Familiarity with Ashby or similar platforms.

• Background in high-growth startups or resource/industrial sectors.

What It’s Like to Work Here

• 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.