Overview
Quality Control Technician Jobs in Greenville, SC at Blue Dot Readi-Mix
Quality Control Technician (Lab & Field)
Blue Dot Readi-Mix | Mint Hill, NC | Full-Time, Non-Exempt (Hourly)
Department: Quality Control Pay Range: 50-65k DOE Reports To: QC Director / QC Manager
About Blue Dot Readi-Mix
Blue Dot Readi-Mix is a ready-mix concrete producer serving the Mint Hill, NC area and surrounding markets. Our Quality Control team is responsible for ensuring every load of concrete we produce meets applicable ASTM standards, project specifications, and our own internal quality procedures — from raw materials and trial batching through field placement and strength verification.
Position Summary
We are seeking a Quality Control Technician in the Greenville, SC area to perform laboratory and field testing of aggregates and fresh/hardened concrete, support production and trial batching activities, and represent Blue Dot Readi-Mix professionally at customer job sites. This role follows our structured Technician Competency Program and offers a clear path for growth — from foundational testing skills toward independent, and eventually expert-level, performance.
Key Responsibilities
Aggregate & Fresh Concrete Testing
- Obtain representative aggregate and concrete samples per ASTM C172.
- Perform ASTM C566 aggregate moisture testing and calculate free/absorbed moisture corrections.
- Perform fresh concrete testing including ASTM C143 (slump), ASTM C231 (pressure air), ASTM C138 (unit weight/yield), and ASTM C1064 (temperature).
- Recognize and communicate out-of-spec results and moisture corrections to production staff.
Strength Testing & Specimen Management
- Fabricate test specimens per ASTM C31, ensuring proper identification and traceability.
- Apply standard curing requirements and recognize impacts of improper curing on results.
- Perform ASTM C39 compressive strength testing and monitor strength trends for abnormalities.
Trial Batching & Mix Evaluation
- Read and interpret mix designs; verify aggregate moisture and accurately weigh materials.
- Produce trial batches safely, perform fresh concrete testing, and cast/cure specimens.
- Evaluate workability, finishability, and admixture response; complete trial batch reports.
Production Support & Quality Documentation
- Document test results and quality data accurately in Quadrel.
- Review production scheduling (BCMI) and interpret SmartHatch data as applicable.
- Recognize production non-conformities, follow escalation procedures, and support root cause investigations.
Field Sampling, Placement Support & Customer Interaction
- Conduct field sampling and testing per ASTM standards, including alongside third-party inspectors when applicable.
- Communicate professionally with customers, contractors, owners, and inspectors as a company representative.
- Review project specifications, understand placement methods, and recognize environmental, water addition, and admixture impacts on concrete performance.
- Fabricate, label, cure, and transport field strength specimens, documenting curing conditions (including photographs) as required.
Troubleshooting & Corrective Actions
- Identify slump, air, and yield/unit weight non-conformities and validate corrective actions through follow-up testing.
- Understand escalation procedures and document non-conformities thoroughly and objectively.
Required Qualifications
- High school diploma or equivalent.
- ACI Concrete Field Testing Technician – Grade 1 certification, or NCDOT Field Technician certification, required (must be obtained within 90 days of hire if not already held).
- Valid driver’s license and ability to pass a MVR check.
- Working knowledge of, or ability to learn, applicable ASTM test methods (C31, C39, C138, C143, C172, C231, C566, C1064).
- Basic math and calculation skills, including moisture corrections, batch weights, and yield.
- Strong written and verbal communication skills, with the professionalism to represent the company at customer job sites.
- Ability to work independently, follow documented procedures accurately, and recognize when to escalate abnormal conditions.
Preferred Qualifications
- Prior experience in ready-mix concrete, construction materials testing, or a related quality control lab/field role.
- Experience with lab or production systems.
- Additional certifications (e.g., ACI Concrete Strength Testing Technician, ACI Field Grade 2).
Physical Requirements & Work Environment
- Ability to lift and carry up to 50 lbs (aggregate samples, test cylinders, sample containers, and testing equipment).
- Ability to stand, bend, kneel, and work outdoors in varying weather conditions (heat, cold, rain) at active production and job site locations.
- Regular exposure to concrete materials, dust, noise, and moving equipment typical of a construction materials production environment.
- Required use of PPE, including hard hat, safety glasses, steel-toe boots, high-visibility clothing, and gloves.
- Ability to travel locally between the plant, lab, and job sites during the workday.
- Occasional early morning, weekend, or extended hours based on production schedules and project needs.
Growth & Development
Blue Dot Readi-Mix technicians develop through a structured, four-level competency framework — from Awareness and Assisted Performance to Independent Performance and, ultimately, Trainer/Subject Matter Expert. Technicians receive regular evaluations and training support as they progress toward full independence and, for top performers, opportunities to train others and serve as a technical resource for operations and customers.
Compensation & Benefits
- Pay: 50-65,000/annually based on experience and certifications.
- Benefits: Paid vacation, paid holidays, health insurance – $0 premium for employee, vision insurance, dental insurance, life insurance, short and long term disability insurance, 401(k) retirement plan with company match.
Pay: $50,000.00 – $65,000.00 per year
Benefits:
- 401(k)
- 401(k) matching
- Dental insurance
- Health insurance
- Life insurance
- Paid time off
- Retirement plan
- Vision insurance
Work Location: In person
Title: Quality Control Technician
Company: Blue Dot Readi-Mix
Location: Greenville, SC
Category:
