Lab Chemist

Mariana Minerals
United States
Workplace: OnsiteFull timeFunction: Solutions Engineering & Sales EngineeringEducation: bachelorsSkills: ["Attention to detail","Time management","Collaboration","Willingness to learn"]

Join the laboratory team to prepare and analyze samples with a strong focus on safety, SOP compliance, and zero cross-contamination. Execute routine wet-chemistry testing, operate and support analytical instruments (including calibration and basic troubleshooting), and manage accurate documentation of observations and raw data in LIMS or lab notebooks. You’ll maintain lab organization, chemical inventory, and waste disposal while collaborating with the team to drive high-quality results.

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Mariana Minerals
Mariana Minerals
5 days ago

Lab Chemist

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Source: Company careers pageValidated by: Fursa AI
Last checked: 3 hours agoStatus: Live

Job Summary

Join the laboratory team to prepare and analyze samples with a strong focus on safety, SOP compliance, and zero cross-contamination. Execute routine wet-chemistry testing, operate and support analytical instruments (including calibration and basic troubleshooting), and manage accurate documentation of observations and raw data in LIMS or lab notebooks. You’ll maintain lab organization, chemical inventory, and waste disposal while collaborating with the team to drive high-quality results.
Location: United States
Workplace: Onsite
Employment Type: Full time
Job Function: Solutions Engineering & Sales Engineering
Seniority: Mid level

Key Responsibilities

  • •Adhere to SOPs, chemical hygiene plans, and PPE requirements to maintain a safe lab environment and comply with regulations.
  • •Maintain a clean, organized workspace; manage chemical inventory and waste disposal according to regulatory standards.
  • •Prepare samples precisely across multiple matrices, including weighing, digestion, dilution, and filtration with zero cross-contamination.
  • •Assist with operation, calibration, and basic troubleshooting of analytical equipment.
  • •Record experimental observations and raw data accurately in LIMS or lab notebooks.

Key Requirements

  • •Associate’s or Bachelor’s degree in Chemistry, Biochemistry, or a closely related scientific field.
  • •Proficiency in wet chemistry techniques such as pipetting, titration, and acid digestion.
  • •Familiarity with the principles of analytical instrumentation.
  • •Hands-on experience or academic exposure to titration, Flame AA, ICP-OES/MS, or XRF.
  • •Knowledge of EPA, ISO, or GLP/GMP standards, with strong attention to detail and time management.
Education:Bachelor's in Chemistry, Biochemistry
Skills:Attention to detailTime managementCollaborationWillingness to learn
Tech Stack:LIMSFlame AAICP-OES/MSXRF

Company Brief

Mariana Minerals
Software-first, vertically integrated minerals company developing extraction, processing, and automation systems to supply critical minerals (lithium and others) for energy, AI, and defense technologies, and building commercial-scale lithium facilities from produced water.
Industry: Mining & Metals
Company Size: Small (11 to 50 employees)
Growth: Early Stage Startup
Funding: Series A
Headquarters: San Francisco, United States
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