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Now viewing: Carbon/ Sulfur Laboratory Specialist
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Cumbrex
Carbon/ Sulfur Laboratory Specialist
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Carbon/ Sulfur Laboratory Specialist Cumbrex Tucson, AZ Job Details Full-time $25 - $30 an hour 22 hours ago Qualifications Instrumentation troubleshooting Geology Laboratory safety Data quality assurance Statistical Process Control Equipment troubleshooting Laboratory equipment calibration Quality control data reporting Quality issues Data quality monitoring Materials analysis (analytical chemistry specialty) Cleaning Chemistry Computer skills Technical troubleshooting support Associate's degree Full Job Description About Cumbrex Cumbrex is an established mining-services company with many years of experience supporting mineral operations in Peru. We are expanding our U.S. operations to deliver specialized services for a leading mining company in Arizona, with potential project work in Nevada. Position summary We are seeking an analytical laboratory specialist to operate and support X-ray fluorescence (XRF) and combustion carbon/sulfur instrumentation for mineral samples. The specialist will prepare analytical batches, run calibrations and controls, review data quality, troubleshoot instruments and release results only under approved procedures. Key responsibilities
- Operate XRF and carbon/sulfur analyzers in accordance with SOPs and manufacturer guidance.
- Prepare cups, pellets, powders, crucibles and analytical batches as required by the selected methods.
- Run calibration checks, blanks, standards, duplicates and control samples; identify drift or out-of-control conditions.
- Review data for plausibility, document reruns/corrective actions and maintain traceable records.
- Perform routine cleaning, consumable replacement and preventive-maintenance tasks.
- Coordinate technical support with instrument vendors and support method validation and staff training.
- Maintain chemical, gas-cylinder, radiation-device and waste controls applicable to the methods and site. Minimum qualifications
- Associate or bachelor's degree in Chemistry, Geology, Metallurgy, Materials Science or related discipline, or equivalent hands-on experience.
- At least two years of analytical laboratory experience, including XRF and/or combustion carbon/sulfur analysis.
- Understanding of calibration, reference materials, QA/QC charts and data review.
- Strong computer, documentation and troubleshooting skills.
- Ability to work safely with high-temperature equipment, compressed gases and laboratory materials. Preferred qualifications
- Hands-on experience with Rigaku XRF and ELTRA carbon/sulfur equipment or comparable platforms.
- Mineral, mining, cement, metals or geochemistry laboratory experience.
- Experience with LIMS, method development/validation or
ISO/IEC 17025
systems. Work environment and physical requirements- Laboratory and industrial sample-preparation areas with dust, noise and high-temperature equipment.
- Required PPE and compliance with site-specific radiation, compressed-gas and chemical safety programs.
- Occasional lifting up to 40 lb with reasonable accommodation.