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.