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Geotechnical Lab Manager

Geotechnical Lab Manager

JARBOSaint Louis, MO, United States
30+ days ago
Job type
  • Full-time
Job description

Run CBR / Proctor tests, drive QC and inventory control with Growth Opportunities.

Overview – Senior Soils Laboratory Technician (CBR / Proctor) - St. Louis

  • Lead soils / materials testing in a construction materials lab. Duties align with civil engineering technicians who test construction materials and document results.
  • Full-time. On-site in St. Louis, MO.
  • Hourly pay : $30-$40

Key Responsibilities – Senior Soils Laboratory Technician (CBR / Proctor) - St. Louis

  • Perform CBR testing and standard / modified Proctor compaction per lab procedures.
  • Execute soils classification, moisture-density, and related index tests; maintain accurate test records.
  • Drive quality control of sample preparation, equipment checks, and data integrity.
  • Manage inventory : molds, reagents, consumables; reorder and track stock levels.
  • Oversee logistics : sample intake, labeling, chain-of-custody, and tracking through LIMS.
  • Calibrate and maintain lab equipment; escalate repairs per schedule.
  • Support reporting to project engineers; meet deadlines and budgets; uphold client satisfaction.
  • Mentor junior techs; act as lead on assigned work orders; safety-first culture.

    • Qualifications – Senior Soils Laboratory Technician (CBR / Proctor) - St. Louis

  • 4+ years in a soils / materials testing lab.
  • Demonstrated experience with CBR and Proctor testing workflows.
  • Strong QC mindset; meticulous labeling, tracking, and documentation.
  • Proficient with MS Word, Excel, Outlook; basic LIMS familiarity.
  • Clear references attesting to technical rigor and reliability.

    • Preferred Qualifications – Senior Soils Laboratory Technician (CBR / Proctor) - St. Louis

  • Prior lead or senior technician responsibilities; informal team coaching.
  • ACI Aggregate Level 1; Nuclear Gauge safety
  • Experience with cost tracking and scheduling in a lab environment.

    • What We Offer – Senior Soils Laboratory Technician (CBR / Proctor) - St. Louis

  • Stable workload in an established construction materials lab.
  • Standard benefits package available; details provided at offer stage.
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    Geotechnical Manager • Saint Louis, MO, United States