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.

Job Tags

Hourly pay, Full time,

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