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Field Technician

Geo-Logic Associates
Grass Valley, CA Full Time
POSTED ON 4/6/2026
AVAILABLE BEFORE 5/6/2026

Geo-Logic Associates, Inc. (GLA), a multi-disciplinary civil and environmental consulting firm with more than 300 professionals in 29 offices in the United States and an office in Peru, is currently seeking a full-time Field Technician (Technician) to provide support for civil/site infrastructure, solid waste, mining, and environmental evaluation and remediation projects.

Office Location:  Grass Valley, California 

The Technician will provide field observation, sampling, testing, and documentation services to  support a variety of civil, geotechnical, and environmental projects at landfills, mine sites, public works construction sites, and other similar project sites.   The work may include, but not be limited to:

  • Field compaction testing (nuclear density, sand cone, drive-ring methods)
  • Field permeability testing (BAT™, Boutwell™ permeameters)
  • Moisture-density curves
  • Field moisture content
  • Soil sampling
  • Observation and documentation of geosynthetic materials installation (geomembranes/flexible membrane liners, geotextiles, geosynthetic clay liners, etc.)
  • Using GPS equipment to document test locations
  • Documenting contractor work
  • Assistance preparing construction completion reports
  • Other tasks to support GLA’s environmental monitoring programs. 


 Preferred skills include:

  • OSHA 40-hour HAZWOPER training and current 8-hour annual HAZWOPER training.
  • MSHA Part 48 24-hour training and current 8-hour annual refresher training.
  • Bachelor‘s degree in physical science, environmental studies, or a related field. 
  • Familiarity with groundwater sampling techniques, including standard purge (dedicated and non-dedicated equipment), low flow purge, grab sampling using bailers and  HydraSleeve™ devices
  • Familiarity with soil density probes, nuclear density gauges, field permeameters, and standard soils tests.
  • Experience providing construction quality assurance services
  • Soils and/or geosynthetics testing certification


Candidate Must:

  • Be eligible to work in the United States
  • Possess a valid driver’s license
  • Pass a pre-employment physical examination, including drug screening

Compensation Range:  $20.00 to $25.00 per hour, commensurate with experience. 

Candidate will be expected to work away from home on a regular basis.  Work will include daily travel, working at remote sites, and interaction with team members, clients, contractors, and the general public.  Candidate will regularly work at municipal solid waste disposal sites, hazardous waste sites, and mine sites.  The Candidate must be able to lift up to 50 pounds. 

GLA offers a comprehensive benefits package including health/dental/vision insurance, 401(k) retirement plan, life insurance, flexible spending accounts, vacation leave, sick leave and profit sharing.

Applicants who are unable to apply online may submit their resume and cover letter by mail to:  Human Resources, Geo-Logic Associates, 2777 East Guasti Road, Suite 1 Ontario, CA 91761. (Resumes submitted through postal mail must indicate reference requisition #1014 on the front of the mailing envelope).

GLA is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to age, race, color, religion, marital status, sex, national origin, sexual orientation, gender identity, disability and protected veteran status or any other characteristic protected by law.

Salary : $20 - $25

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