About the role
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.
POSITION SUMMARY
We are seeking a detail-oriented Analytical Lab Chemist to join our laboratory team. This senior-level role focuses on high-quality sample preparation and the execution of routine analytical testing. The ideal candidate is a disciplined scientist who prioritizes laboratory safety, is interested in hands-on analytical jobs, and possesses a foundational understanding of spectroscopic instrumentation and other chemical analysis equipment.
KEY RESPONSIBILITIES
- Safety & Compliance: Strictly adhere to all SOPs, chemical hygiene plans, and PPE requirements to maintain a safe working environment.
- Lab Maintenance: willing to maintain a clean and organized workspace; manage chemical inventory and waste disposal according to regulatory standards.
- Sample Preparation: Perform precise preparation of various sample matrices, including weighing, digestion, dilution, and filtration, ensuring zero cross-contamination.
- Instrument Operation: Assist in the operation, calibration, and basic troubleshooting of analytical equipment.
- Data Management: Accurately record experimental observations and raw data into Laboratory Information Management Systems (LIMS) or lab notebooks.
REQUIRED QUALIFICATIONS
- An associate/Bachelor’s degree in Chemistry, Biochemistry, or a closely related scientific field.
- Demonstrated proficiency in wet chemistry techniques (pipetting, titration, acid digestion).
- Familiarity with the principles of analytical instrumentation.
- Hands-on experience or academic exposure to Titration, Flame AA, ICP-OES/MS, or XRF is desirable.
- Knowledge of EPA, ISO, or GLP/GMP standards.
- Soft Skills: Strong attention to detail, excellent time management, and a commitment to collaborative teamwork, and willing to learn new skills.
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!