JOB DETAILS

Assay Lab Technician

CompanyCoeur Mining
LocationLead
Work ModeOn Site
PostedJune 12, 2026
About The Company
We are a U.S.-based, well-diversified, growing precious metals producer with seven wholly-owned operations: the New Afton gold-copper mine in British Columbia, Canada, the Rainy River gold-silver mine in Ontario, Canada, the Las Chispas silver-gold mine in Sonora, Mexico, the Palmarejo gold-silver mine in Chihuahua, Mexico, the Rochester silver-gold mine in Nevada, the Kensington gold mine in Alaska and the Wharf gold mine in South Dakota. In addition, the Company wholly-owns the Silvertip polymetallic critical minerals exploration project in British Columbia, Canada.
About the Role


 

We Pursue a Higher Standard

We are a U.S.-based, well-diversified, growing precious metals producer with seven wholly-owned operations: the New Afton gold-copper mine in British Columbia, Canada, the Rainy River gold-silver mine in Ontario, Canada, the Las Chispas silver-gold mine in Sonora, Mexico, the Palmarejo gold-silver mine in Chihuahua, Mexico, the Rochester silver-gold mine in Nevada, the Kensington gold mine in Alaska and the Wharf gold mine in South Dakota. In addition, the Company wholly-owns the Silvertip polymetallic critical minerals exploration project in British Columbia, Canada.

Coeur Wharf is an open-pit, heap-leach gold operation and the only gold mine operating in South Dakota. Located in the northern Black Hills, Wharf is the only known operating mine that shares a hillside with a ski resort, Terry Peak.

Coeur Wharf has been part of the local community since 1983, actively volunteering and supporting the arts, educational programs, beautification events and children’s and wellness programs.

Approximately 250 miners, geologists, engineers, environmentalists, operators, and various business leaders are employed at the mine and call South Dakota home. Coeur Wharf prioritizes safety, teamwork, career development, and growth. If you want to grow your career in a progressive, team-oriented environment, apply today.

About the Job:

The Assay Lab Tech is responsible for the performance of the following duties in a safe and productive manner.

Responsibilities: 

  • Gathers samples from pit and crusher areas and transports samples to the laboratory
  • Dries and split ore samples
  • Run and maintain manual and auto pulverizer
  • Run and maintain lab crusher and deck screen
  • Weighs, completes size analysis, and moisture content analysis of samples
  • Assists with Sampler duties as needed, responsible for keeping sample numbers in order and prioritizing workload
  • Understand and follow procedure for handling chemicals and Safety Data Sheet’s
  • Follow safety procedures such as: Pit flagging, Emergency fire, lockout/tag-out, Mayday and Bad weather procedures 
  • Communicate with other departments daily 
  • Any other tasks as assigned

Required Qualifications & Skills:

Physical Requirements 

  • Work in all conditions and environments, approximately 90% of job is indoors
  • Able to lift 35 lbs. on an occasional basis.
  • Able to walk up and down slopes and uneven ground 
  • Able to bend and stoop multiple times a day

Workplace Requirements 

  • Follow all procedures and safety measures to assure safe production
  • Work as a team member and communicate openly with others
  • Be detailed-oriented, self-directed and able to take leadership role on many projects
  • Willing to stop work for safety concerns and always abide by safety best practices, policies and procedures
  • Respirator use is required
  • 5-5-4 Schedule

Preferred Experience/Education 

  • 0-2+ years of assay laboratory experience
  • 2 years of related education experience 
  • Operation of Forklift experience 

Certifications and Experience Required:

  • Valid vehicle driver’s license

Additional Information: Willing to work alternating between 5 work days, 5 days off, 4 work days, and 5 more days off.

It is the policy of Coeur Mining, Inc. and its direct and indirect United States subsidiaries (the “Company”) to provide equal opportunity employment to all Employees and applicants for employment. No person working at the Company's facilities in the United States is to be discriminated against in employment because of race, religion, color, sex, age, national origin, disability, or veteran status.

Key Skills
Sample GatheringOre Sample ProcessingPulverizer OperationLab Crusher OperationSize AnalysisMoisture Content AnalysisChemical HandlingSafety Data Sheet ComplianceForklift OperationLockout/Tag-outDetail OrientedTeamwork
Categories
Science & ResearchManufacturingEnergyTradesSecurity & Safety
Job Information
📋Core Responsibilities
The Assay Lab Technician is responsible for gathering, drying, and processing ore samples using pulverizers and crushers. They perform size and moisture analysis while ensuring strict adherence to safety protocols and chemical handling procedures.
📋Job Type
full time
📊Experience Level
0-2
💼Company Size
1483
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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