About this role
About Mariana MineralsMariana 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 roleWe are hiring a Sr. Recruiter to build the teams behind the teams at Mariana Minerals. You'll own full-cycle recruiting across corporate functions, helping us scale a software-first critical minerals company from the ground up.
You'll partner directly with functional leaders to understand what great looks like, find people who have done this at fast-growing companies, and give every candidate an experience that reflects who we are. This is a great fit for someone who loves the full recruiting cycle, builds trust quickly with leaders, and wants to help shape how a company hires.
What You'll DoOwn full-cycle recruiting for G&A and corporate roles, from intake through offer close
Partner with hiring managers and executives to define role requirements, hiring plans, and interview processes
Build creative sourcing strategies for both active and passive candidates across finance, legal, HR, operations, procurement, and other functions
Run personalized, thoughtful outreach that reflects our mission and stage
Manage multiple searches at once while keeping a high quality bar
Coach interviewers and hiring managers on structured interviewing, calibration, and debriefs
Lead compensation conversations, close candidates, and manage competing offers
Keep Ashby clean and current, and track pipeline health, time to fill, and other key metrics
Share market insights on compensation, talent availability, and competitor activity
Help build and improve recruiting processes, templates, and playbooks as we scale
Represent Mariana Minerals with a warm, engaging, and transparent candidate experience
Build diverse, high-quality pipelines across experience levels
Opportunity to help build our early-career and university recruiting efforts, including internships and new grad hiring, as we grow
Desired Qualifications5-8+ years of full-cycle recruiting experience, with meaningful G&A or corporate recruiting in a high-growth startup or technology company
Experience recruiting across a range of functions (finance, legal, people, operations, sales, marketing)
Proven ability to partner with senior leaders and executives
Strong sourcing skills, including LinkedIn Recruiter, Boolean search, and passive candidate outreachExperience building recruiting processes or playbooks from scratch
Experience hiring for early-stage finance, legal, or people teams
Familiarity with seed-to-Series B recruiting environments
Expert in ATS tools (preference for Ashby)
Strong written communication and personalized outreach skills
Strong closing and negotiation skills
Data-driven approach to pipeline management
High ownership mindset and comfort with ambiguity
Passion for building exceptional teams and creating outstanding candidate experiences
Nice to HaveExperience with campus or early-career recruiting
Experience in industrial, hardware, energy, mining, or deep tech companies
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!