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Assay Lab Mining Jobs in Arizona (NOW HIRING)

Excelsior Mining, Inc.

Lab Technician Assay

Dragoon, AZ · On-site

Excelsior Mining AZ, Inc. dba Gunnison Copper has an immediate employment opportunity for a Lab Assay Technician at its operations at Johnson Camp Mine / Gunnison Project located in southeastern ...

New

ASARCO LLC

Chemical Technician I

Kearny, AZ · On-site

$18.50 - $23.25/hr

POSITION OVERVIEW Under the supervision of the Lab Supervisor and/or Chemist, the Lab Technician I ... mining operation. This position involves utilizing established sample preparation methods and ...

Geotemps Inc

Lab Technician- Sanchez

Safford, AZ · On-site

$20/hr

Monitor multiple assays at once. * Collect and report results accurately. * Assist others as ... Prior analytical laboratory, chemistry, or mining experience preferred but not required. * Must be ...

Geotemps / Geopros

Lab Technician- Sanchez

Safford, AZ · On-site

$20/hr

M onitor multiple assay s at once. * Collect and report results accurately. * Assist others as ... Prior analytical laboratory, chemistry, or mining experience preferred but not required. * Must be ...

All JobsAssay Lab Mining JobsAssay Lab Mining Jobs in Arizona

Assay Lab Mining information

What is an assay lab mining technician?

Assay lab jobs in mining involve analyzing mineral samples to determine the composition and concentration of valuable elements, such as gold, silver, or copper. These professionals use scientific techniques and equipment to conduct tests and ensure that mining operations are extracting profitable materials. The results from assay labs help mining companies make decisions about exploration, extraction, and processing. Typical roles include assay technicians, laboratory analysts, and lab supervisors, all of whom work to maintain accuracy and safety standards.

What skills and qualifications are needed to work as an assay lab mining technician?

To thrive as an Assay Lab Mining Technician, you need a solid background in chemistry, laboratory procedures, and sample analysis, often supported by a relevant degree or technical certification. Familiarity with analytical instruments such as atomic absorption spectrometers, ICP-OES, and laboratory information management systems (LIMS) is typically required. Attention to detail, problem-solving abilities, and strong organizational skills help ensure accuracy and efficiency in sample processing. These skills and qualities are vital for delivering reliable assay results that inform mining operations and maintain regulatory compliance.

What are common challenges faced by assay lab mining technicians?

Professionals in assay labs for mining often face challenges such as maintaining strict accuracy and precision when analyzing mineral samples, as results directly impact operational decisions and compliance. They must also work with potentially hazardous chemicals and adhere to stringent safety protocols. Additionally, managing tight turnaround times and large sample volumes can be demanding, especially when supporting active exploration or production sites. Collaboration with geologists, mine engineers, and production teams is essential to ensure that results are correctly interpreted and integrated into the wider mining operations.

What is the difference between Assay Lab Mining vs Geologist?

AspectAssay Lab MiningGeologist
Required CredentialsCertification in laboratory techniques, mining safety, and possibly a degree in geology or related fieldBachelor's or higher in geology or earth sciences, often with field experience
Work EnvironmentLaboratory setting within mining operations, focusing on sample analysisFieldwork and office, studying geological formations and mineral deposits
Industry UsageCommonly employed in mining companies for sample testing and quality controlUsed across exploration, environmental assessment, and resource evaluation

Assay Lab Mining specialists focus on analyzing mineral samples in a lab environment, ensuring quality and compliance. Geologists, on the other hand, study earth formations and mineral deposits in the field and office. Both roles are essential in mining but serve different functions within the industry.

What are popular job titles related to Assay Lab Mining jobs in Arizona?

For Assay Lab Mining jobs in Arizona, the most frequently searched job titles are:

What job categories do people searching Assay Lab Mining jobs in Arizona look for?

The top searched job categories for Assay Lab Mining jobs in Arizona are:

What cities in Arizona are hiring for Assay Lab Mining jobs?

Cities in Arizona with the most Assay Lab Mining job openings:

Assay Lab Mining jobs near you
Infographic showing various Assay Lab Mining job openings in Arizona as of August 2026, with employment types broken down into 3% As Needed, 70% Full Time, 13% Part Time, and 14% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution.

Lab Technician Assay

Excelsior Mining, Inc.

Dragoon, AZ • On-site

Full-time

Retirement

Posted 3 days ago

New

Job description

Excelsior Mining AZ, Inc. dba Gunnison Copper has an immediate employment opportunity for a Lab Assay Technician at its operations at Johnson Camp Mine / Gunnison Project located in southeastern Arizona between the cities of Benson and Willcox.
Under the direction of the Laboratory Manager, the Lab Technician will perform a variety of routine analytical and physical testing on mining materials, research and development samples and finished products. This position will also make detailed observations and provide basic interpretation of data and accurate reporting of results.
Responsibilities:
  • Perform analysis for samples received from sample prep, mine, leach or Plant etc.
  • Provide instruction and priorities to sample prep operators.
  • Prepare and test reagents used for assays, to meet QA/QC controls to ensure assays are consistent and correct.
  • Perform operation, diagnostics, adjustments and calibrations of laboratory analytical equipment such as balances, digestors, hoods, shakers, centrifuges, dilutors, atomic absorption, titrators.
  • Train and develop assay technicians in all aspects of lab duties.
  • Perform daily determinations and assay reporting.
  • Work safely in accordance with company policies and MSHA requirements, identifying Hazards, develop pre-shift inspections and report any unsafe conditions.
  • Always wear and use proper PPE as per company policies and procedures.
  • Have and follow good laboratory practices to maintain a clean work area in accordance with standard lab practice and procedures.
  • Maintain a high standard of housekeeping in all work areas.
  • Provide feedback and support to mine, leach and SX plant whenever requested.
  • Perform preventive maintenance to lab equipment and keep it in optimal performance
  • Develop a culture of high performance and behaviors that are consistent with company values.
  • Prefer experience with sequential analysis and and mineral content analysis

Qualifications:
  • 0 - 4 years of experience
  • Must be proficient in math and possess knowledge of basic chemistry, lab equipment, instrumentation and related manufacturing processes.
  • Demonstrated knowledge of lab equipment, lab protocols and techniques appropriate to assigned areas
  • Ability to trouble-shoot normal level issues on bench tests
  • Proficiency with MS Office products – Word, Excel, PowerPoint and Outlook, required
  • Basic knowledge of safety procedures including personal protection equipment (PPE) and standard lab safety procedures
  • B.S. Chemistry, Engineering, Metallurgy, Geology or equivalent work experience in a laboratory environment.

Additional Requirements:
  • Excellent communication skills.
  • Attention to detail and accuracy are critical
  • Must be a highly motivated, energetic team player who enjoys a fast-paced work environment and be proficient
  • May be required to work varying shifts to include days, nights and weekends
  • Flexibility to adapt to improved procedures and best practices
  • Organized and with good time management skills.
  • Valid driver's license and reliable transportation

Gunnison Copper offers a competitive wage and comprehensive benefits package including 401k. Candidates must have the ability to work unrestricted in the U.S. as there is no visa sponsorship. Successful completion of a background check is required after the offer of employment. No relocation assistance offered. Gunnison Copper uses the E-Verify system during the hiring process to confirm employment eligibility to work in the United States.

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