Analytical Lab Chemist
Company websitemarianaminerals.com (Mariana Minerals, opens in new tab)
Base salary $110K to $130K
Employer-published annual base salary, USD. Advertised base range in San Francisco, CA
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationSan Francisco, CA
- WorkplaceOn-site
- Status at last checkSource accepting applications when checked
- Last checked (3 h ago) · observed since
About this job
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.
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!
Source: Mariana Minerals on Ashby · View original posting (opens in new tab)
Pay in context
This role's base floor ($110,000) is above 11% of the 316 Science & Research roles in California listed on this site; 1 other lists the same floor. Their median floor is $143,363; the middle half runs from $120,000 to $172,100.
Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 7, 2026.
This listingAnalytical Lab Chemist$110K to $130K
R&D Metallurgist$110K to $140K
Technical Product Manager, ML & Robotics$115K to $208K
Sr. Regional Permitting and Compliance Environmental Engineer$100K to $150K
Engineering Coordinator$100K to $140K
Staff Process Modeling Engineer$100K to $160K
Sr. Recruiter$100K to $175K
Chart as a table
| Role | Published base |
|---|---|
| Analytical Lab Chemist (this listing) | $110K - $130K |
| R&D Metallurgist | $110K - $140K |
| Technical Product Manager, ML & Robotics | $115K - $208K |
| Sr. Regional Permitting and Compliance Environmental Engineer | $100K - $150K |
| Engineering Coordinator | $100K - $140K |
| Staff Process Modeling Engineer | $100K - $160K |
| Sr. Recruiter | $100K - $175K |
Observed changes
- Began meeting the published-salary criteria
- First observed on the employer's board
- Observed since
- Employer-stated posting date
- 2026-10-28
Where this pay comes from
Location as the employer wrote it: San Francisco HQ
USD 110,000 – 130,000 · 1 YEAR · Salary
- Method
- Structured pay field published by the employer
- Checked
- Rule set
- us-base-v2
The employer's job board publishes this pay as a dedicated data field. We read the field directly; no interpretation was needed.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.