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Concrete Quality Control Technician

Silvi Materials
South Plainfield, NJ Full Time
POSTED ON 12/20/2025
AVAILABLE BEFORE 4/19/2026

Title of Position: Quality Control Technician

Location: South Plainfield, NJ

Industry Leading Benefits: Medical, Prescription, Dental, Vision, 401K, Pension, Short and Long Term Disability, Life Insurance, Tuition Reimbursement, Overtime as needed.

As a Silvi Materials Quality Control Technician, one is responsible for ensuring that concrete chemistry and construction projects comply with plans and specifications. This position includes industry testing of concrete consistency, air, water, color, and chemical content. The qualified candidate will be able to communicate with and interact with construction personnel, inspectors, plant managers, and drivers concerning the concrete materials used on a particular job.

Silvi Materials has been expanding our “A” Team of employees since 1947! Our team has grown to 15 companies, employing over 850 people across 30 locations in Southeastern Pennsylvania, New Jersey, and North Carolina. Silvi is large enough to provide the stability you need, but small enough that you can feel your individual contribution to our success. We value the fresh ideas and perspectives of each new member of our team.

What does Silvi Materials offer you, you may ask?

  • Phenomenal Benefits: Medical, Vision, Dental, Prescription, Vacation, Paid Holidays, and so much more!
  • Your future in mind: With 401(k) (at select locations) and/or pension options. We want all employees to build a great retirement!
  • Growth at Silvi Materials: We offer each employee the opportunity to move into any facet of our complex business. And our tuition reimbursement program is the perfect springboard to help you get there!

So, what does a Silvi Materials Quality Control Technician do? You'll be an integral part of our Quality Control/Technical Services Team!

  • Arrives at the plant or job site prior to the first concrete delivery.
  • Performs the initial and ongoing testing of aggregate and concrete for gradation, moisture, slump, air content, and temperature
  • After evaluation of the above factors, maintains contact with plant operations and/or QC, to ensure that necessary adjustments (if required) to the mixture are made.
  • When the concrete comes to the job site places some of the batch in cylinders.
  • In the lab, performs tests that measure the compressive strength of concrete cylinders.
  • Compares that value to the design value to ensure compliance with specifications.
  • Communicates information to the appropriate individuals/agencies.
  • Directly handles concrete during various testing.

Qualifications Required:

  • Industry experience is preferred but not required.
  • Some college or further education is preferred but not required.
  • Travel with their own vehicle to and from various plants and client locations. Mileage and tolls will be reimbursed.
  • Valid Driver's license.
  • Work a wide variety of hours and be able to work a flexible schedule as per company and client needs.
  • Is able to work overtime hours.
  • Works Saturdays and night pours as required.
  • Understand the various components that make up the product and how they interact with one another.
  • Understand how to troubleshoot the various problems that occur with the product and how to correct them.
  • Understand the proper techniques for testing concrete.
  • Preferably is ACI Level 1 certified, or willing to undergo paid training and testing to obtain the certification.
  • Has a valid driver’s license and is willing to undergo an MVR check.
  • Willing to work outdoors, in all weather, to handle the concrete testing on site.
  • Lift up to 100 lbs of liquid concrete using a wheelbarrow.

Physical Requirements

In a typical work setting, people in this job:

  • Lift 50 pounds regularly and up to 100 pounds on occasion.
  • Use one or two hands to grasp, move, or assemble objects
  • Stand for long periods of time.
  • Kneel, stoop, crouch, bend, stretch, twist or crawl.
  • Hear sounds and recognize the difference between them.
  • See details of objects that are less than a few feet away.
  • See differences between colors, shades, and brightness.

Silvi Materials does not discriminate in employment on the basis of race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service, or other non-merit factors.

Job Type: Full-time

Pay: From $20.00 per hour

Expected hours: No less than 40 per week

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Employee assistance program
  • Employee discount
  • Flexible spending account
  • Health insurance
  • Health savings account
  • Life insurance
  • On-the-job training
  • Opportunities for advancement
  • Paid time off
  • Paid training
  • Professional development assistance
  • Referral program
  • Retirement plan
  • Tuition reimbursement
  • Vision insurance

Application Question(s):

  • How many years of concrete testing do you have?
  • What is your requested hourly compensation?
  • Are you able to work a 5am-3:30pm schedule? (M-F Saturdays as needed)

License/Certification:

  • ACI Certification (Preferred)
  • Driver's License (Preferred)

Work Location: In person

Salary : $20

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