Analytical Lab Chemist

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 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.

Responsibilities

Strictly adhere to all SOPs, chemical hygiene plans, and PPE requirements to maintain a safe working environment; Maintain a clean and organized workspace; manage chemical inventory and waste disposal according to regulatory standards; Perform precise preparation of various sample matrices, including weighing, digestion, dilution, and filtration, ensuring zero cross-contamination; Assist in the operation, calibration, and basic troubleshooting of analytical equipment; Accurately record experimental observations and raw data into Laboratory Information Management Systems (LIMS) or lab notebooks

Requirements

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; Knowledge of EPA, ISO, or GLP/GMP standards; Strong attention to detail; Excellent time management; Commitment to collaborative teamwork; Willingness to learn new skills

Nice to have

Hands-on experience or academic exposure to Titration, Flame AA, ICP-OES/MS, or XRF