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Fire Assay Jobs (NOW HIRING)

KGHM, International Ltd

OSA Lab Techician

Ruth, NV · On-site

... and fire assay). Possess the ability to work safely in a Team Environment. Job Duties & Responsibilities: * Meet safety, environmental, attendance, and performance standards. * Troubleshoot and ...

System One

Lab Technician

Aston, PA · On-site

$19 - $20/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Conduct titrations and fire assays accurately and efficiently. * Maintain and update Safety Data Sheets (SDS). * Perform ammonia testing using Ion Selective Electrode (ISE). * Manage inventory and ...

System One

Lab Technician

Aston, PA · On-site

$19 - $20/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Conduct titrations and fire assays accurately and efficiently. * Maintain and update Safety Data Sheets (SDS). * Perform ammonia testing using Ion Selective Electrode (ISE). * Manage inventory and ...

System One

Lab Technician

Aston, PA · On-site

$19 - $20/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Conduct titrations and fire assays accurately and efficiently. * Maintain and update Safety Data Sheets (SDS). * Perform ammonia testing using Ion Selective Electrode (ISE). * Manage inventory and ...

KGHM, International Ltd

OSA Lab Techician

Ruth, NV · On-site

... and fire assay). Possess the ability to work safely in a Team Environment. Job Duties & Responsibilities: * Meet safety, environmental, attendance, and performance standards. * Troubleshoot and ...

Intertek

Laboratory Manager - Minerals

Kershaw, SC · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Minimum of five (5) years' experience working in a minerals laboratory, with exposure to sample preparation systems, fire assay analysis, carbon sulfur analysis, Atomic Absorption Spectrometry (AAS ...

Intertek

Laboratory Manager - Minerals

Kershaw, SC

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Minimum of five (5) years' experience working in a minerals laboratory, with exposure to sample preparation systems, fire assay analysis, carbon sulfur analysis, Atomic Absorption Spectrometry (AAS ...

Intertek

Laboratory Manager - Minerals

Houston, TX · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Minimum of five (5) years' experience working in a minerals laboratory, with exposure to sample preparation systems, fire assay analysis, carbon sulfur analysis, Atomic Absorption Spectrometry (AAS ...

Intertek

Assistant Lab Manager - Minerals

Kershaw, SC · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Minimum of two (2) years' experience working in a minerals laboratory, with exposure to sample preparation systems, fire assay analysis, carbon sulfur analysis, Atomic Absorption Spectrometry (AAS ...

Intertek

Laboratory Supervisor - Minerals

Kershaw, SC · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Minimum of two (2) years' experience supervising in a minerals laboratory, with exposure to sample preparation systems, fire assay analysis, carbon sulfur analysis, Atomic Absorption Spectrometry ...

Intertek

Laboratory Manager - Minerals

Houston, TX · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Minimum of five (5) years' experience working in a minerals laboratory, with exposure to sample preparation systems, fire assay analysis, carbon sulfur analysis, Atomic Absorption Spectrometry (AAS ...

McEwen Mining Inc

Lab Technician

Eureka, NV · On-site

$31.48/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Perform fire assays and assist with additional analytical testing as required. * Receive, log, and process plant solution and carbon samples. * Maintain accurate sample tracking and documentation ...

Bureau Veritas

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Weighing and digesting samples for various techniques such fire assay digestion, gravimetric, cyanide, selective leaches, aqua regia and 4 acid determinations * Ensuring adequate inventory of ...

The University of Chicago

Research Technician

Chicago, IL · On-site

$24.04 - $33.65/hr

  • Medical

  • Retirement

  • PTO

PCR, Quantitative RT-PCR, DNA/RNA purification, cloning, reporter gene assays, chromatin ... The University of Chicago's Annual Security & Fire Safety Report (Report) provides information ...

Tamus

Postdoctoral Research Associate

College Station, TX

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Develop and validate eDNA assays to detect bat species occurrence from environmental samples such ... such as fire ants, chiggers, rattlesnakes, feral pigs, normal daily temperatures of over 90F ...

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All JobsFire Assay Jobs

Fire Assay information

See salary details

$31K

$105.6K

$183K

How much do fire assay jobs pay per year?

As of Aug 15, 2026, the average yearly pay for fire assay in the United States is $105,577.00, according to ZipRecruiter salary data. Most workers in this role earn between $78,000.00 and $124,000.00 per year, depending on experience, location, and employer.

What does a fire assay technician do?

A fire assay technician performs laboratory tests to determine the precious metal content in ore samples by applying high-temperature fusion and chemical separation techniques. They operate specialized equipment, follow safety protocols, and ensure accurate, precise results for mineral analysis. Attention to detail and knowledge of laboratory procedures are essential in this role.

What does a typical workday look like for someone in a fire assay position?

A typical day for a Fire Assay professional involves preparing and analyzing mineral samples through precise lab procedures, including weighing, fluxing, fusing, and cupelling to determine precious metal content. You’ll spend much of your time in a laboratory setting, working with specialized equipment and adhering to strict safety protocols. Collaboration with geologists, metallurgists, and laboratory supervisors is common to ensure quality results and maintain sample traceability. The role often requires careful documentation of results, troubleshooting any irregularities, and occasionally working shifts to support ongoing production schedules.

How does a fire assay work?

A fire assay is a process used by fire assay technicians to determine the precious metal content in ore samples. It involves mixing the sample with fluxes, then heating it in a furnace to melt and separate metals, which are then analyzed to determine their concentration. Precision and knowledge of chemical reactions are essential skills for performing accurate fire assays.

What is a fire assay?

A Fire Assay job involves analyzing metal content, primarily gold and silver, in ore samples using high-temperature furnaces and chemical processes. Workers in this role handle sample preparation, flux mixing, fusion, cupellation, and precise measurements to ensure accurate results. Fire assay technicians typically work in mining labs, refineries, or metallurgical facilities. The job requires attention to detail, adherence to safety protocols, and knowledge of laboratory equipment and techniques.

Is being a fire assay technician a good career?

Fire assay technicians perform laboratory analysis to determine metal content in samples, requiring attention to detail, knowledge of laboratory procedures, and safety protocols. The role offers steady employment in mining and mineral processing industries, with opportunities for advancement and specialized certifications. Job stability depends on industry demand and experience level.

What are the key skills and qualifications needed to thrive in the fire assay position, and why are they important?

To excel as a Fire Assay professional, a solid background in chemistry, attention to detail, and good mathematical skills are generally required, often supported by a relevant technical diploma or degree. Familiarity with laboratory equipment, fire assay furnaces, and safety protocols is essential, as well as knowledge of industry standards like ISO or ASTM. Precision, problem-solving, and the ability to work both independently and as part of a team are invaluable soft skills in this role. These skills ensure accurate metal analysis, uphold safety standards, and maintain efficiency in high-stakes laboratory environments.

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Cities with the most Fire Assay job openings:

What are the most commonly searched types of Fire Assay jobs?

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Fire Assay jobs near you
Infographic showing various Fire Assay job openings in the United States as of August 2026, with employment types broken down into 94% Full Time, and 6% Temporary. Highlights an 100% In-person job distribution, with an average salary of $105,577 per year, or $50.8 per hour.

OSA Lab Techician

KGHM, International Ltd

Ruth, NV • On-site

Full-time

Re-posted 20 days ago

Job description

JOB TITLE: OSA Lab Technician
DEPARTMENT: Process
LOCATION: Robinson Mine - Ruth, NV
PAY GRADE: N/A
POSITION REPORTS TO: Metallurgical Engineer
ROTATING SHIFT: Yes (5/4 - 4/5 Schedule: 2 Weeks Days/2 Weeks Nights)
NONEXEMPT Purpose & Scope of The Position:

Help maintain and ensure that the OSA, PSA, sample pumps, and MUX remain in an operative state, enter data, troubleshoot, and communicate with the maintenance and met groups. Ability to learn general replacement and repair of pumps and other miscellaneous parts. Required as directed to train in and assist in basic lab functions in both Met lab and Assay lab which includes preparation and analysis of samples using a variety of prep and assay techniques: floatation, loading samples into ovens, Jaw Crusher, CRM, Boyd, Disc Pulverize, splitting, blending, and weighing and digesting samples for assay analysis (could include wet digestion and fire assay). Possess the ability to work safely in a Team Environment.

Job Duties & Responsibilities:
  • Meet safety, environmental, attendance, and performance standards.
  • Troubleshoot and inspect the OSA systems.
  • Data entry responsibilities.
  • Ability to learn and understand sampling, calibration, maintenance, software, and mill flow.
  • Troubleshooting responsibilities.
  • Ensure OSA is working properly and OSA calibration is meeting specifications.
  • Ability to work in confined spaces and heights.
  • Maintenance/Repair on OSA/PSA/MUX analyzer.
  • General checking and cleaning of screens, sumps, drains, and sensors.
  • Hole watch responsibilities.
  • Laboratory Cleanup responsibilities.
  • Ability to work efficiently and effectively.
  • Recommend safety enhancements and improvements.
  • Process improvement and streamlining abilities.
  • Ability to understand and follow SOPs.
  • Ability to accept change.
  • Must be a self-starter and be able to handle multiple tasks with minimal supervision.
  • The successful candidate must believe in and practice safety.
  • Must possess good multitasking and interpersonal skills.
  • Determine if a procedure, piece of equipment, activity or condition is unsafe and initiate appropriate action as needed to resolve.
  • Prep and properly handle incoming samples.
  • Exhibit a positive attitude.
  • Ability to work in a dynamic team environment with ever-changing conditions.
  • Planning work efficiently with or without a team.
  • Follow safe work procedures and best practices.
  • Willingness to perform other duties as necessary to ensure the success of KGHM.
Required Education, Work Experience & Training:
  • A valid Driver's License.
  • High school diploma or equivalent.
Preferred Education, Work Experience & Training:
  • General non-skilled labor: basic physical abilities to perform hands-on tasks.
  • Mechanical and maintenance skills are preferred.
Technical Skills:
  • Basic knowledge of computers, familiarity with Word, Excel, Lims System and spreadsheets is preferred.
Travel Requirements:
  • N/A
Supervisory Responsibilities:
  • N/A
Additional Requirements:
  • Successful completion of a pre-employment physical, including drug and alcohol testing.
  • Ability to meet the required physical demands, including exerting 50-100 pounds of force occasionally and/or 25-50 pounds of force frequently and/or 10-20 pounds of force constantly.
Employment Type: Full time

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