Joblaze summary

The Analytical Lab Chemist at Mariana Minerals is responsible for conducting high-quality sample preparation and routine analytical testing, with a strong focus on ion chromatography. Key skills include hands-on experience with analytical instruments like ICP-OES/MS and a solid foundation in wet chemistry techniques. This role is suited for a disciplined scientist with a background in Chemistry or a related field, who values lab safety and precision. The company emphasizes a collaborative culture and a commitment to responsible mineral sourcing.

Joblaze insights

Listed today — first seen on Joblaze November 14, 2026. Last confirmed on Mariana Minerals's careers page November 14, 2026.
This exact title is also open at 2 other locations at Mariana Minerals: San Francisco HQ, Moab, UT.

Quick facts

Is the Analytical Lab Chemist role remote?: No — this is an on-site role in San Francisco, United States.
Where is the role based?: Mariana Minerals is hiring for this position in San Francisco, United States.
What's the tech stack?: Joblaze extracted these technologies from the posting: ICP-MS, ICP-OES, XRF, ion chromatography, wet chemistry.
What seniority level is this role?: Mariana Minerals targets senior candidates for this position.
Is this full-time or contract?: Full-time for this Analytical Lab Chemist role at Mariana Minerals.

From the original posting

Join our laboratory team as an Analytical Lab Chemist. This senior-level role focuses on high-quality sample preparation and routine analytical testing, with a particular emphasis on ion chromatography (IC). The ideal candidate is a disciplined scientist who prioritizes lab safety, enjoys hands-on analytical work, and has a solid understanding of IC, spectroscopic instrumentation and other chemical analysis equipment.

Key Responsibilities

Operate, calibrate and troubleshoot analytical instruments, particularly ion chromatography (IC), along with ICP-OES/MS and XRF
Perform precise sample preparation across various matrices, including weighing, digestion, dilution and filtration, with zero cross-contamination
Prepare standards and calibration solutions, and run routine analytical testing with accurate, reliable results
Record observations and raw data accurately in LIMS or lab notebooks, and review results for integrity
Flag instrument or data issues early and help work out the cause
Keep a clean, organized workspace and manage chemical inventory and waste disposal to regulatory standards
Follow all SOPs, chemical hygiene plans and PPE requirements to keep the lab safe

Required Qualifications

Associate or bachelor’s degree in Chemistry, Biochemistry or a closely related scientific field
Hands-on ion chromatography (IC) experience strongly preferred
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 a plus
Knowledge of EPA, ISO or GLP/GMP standards
Strong attention to detail, excellent time management, a collaborative approach and a willingness to learn new skills

Schedule

Full-time, Monday–Friday, day shift, based at our San Francisco HQ

Working Environment & Physical Requirements

Laboratory setting with regular handling of acids, solvents, and other hazardous chemicals
Required PPE includes lab coat, safety glasses, gloves, and closed-toe shoes
Ability to stand at a lab bench for extended periods
Ability to lift up to 25 lbs
Fine motor skills for precise pipetting, weighing, and instrument handling

Our culture is built on four principles:

Standard company text repeated across Mariana Minerals's postings is omitted here.

Analytical Lab Chemist

Our culture is built on four principles:

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