Hands-On Concrete Materials Lab Technician (R&D)

Queens Carbon; Cedar Grove (NJ); On-site; USD 28,000 - 44,000; Full time

Benefits offered by this job

Competitive PTO

Health, dental, vision, life insurance

401(k)

Equity in Queens Carbon

Career growth

Company swag

Job summary

Queens Carbon is seeking a hands-on Concrete Materials Laboratory Technician to support preparation, testing, and evaluation of cementitious materials, mortars, and concrete mixtures. You will perform hands-on laboratory testing following ASTM procedures and help maintain a safe, organized lab environment.

Previous concrete lab experience is preferred but not required. Training will be provided, and opportunities exist to grow in advanced concrete testing techniques and new product development

Qualifications

• High school diploma or equivalent.
• Comfortable with hands‑on laboratory work.
• Ability to lift up to 50 pounds throughout the day.
• Basic computer skills including Microsoft Excel.
• Strong work ethic and willingness to learn.
• Good communication and teamwork.

Responsibilities

• Follow safety procedures and maintain a safe lab environment.
• Prepare materials according to ASTM and internal procedures.
• Perform aggregate quality control before batching.
• Batch, mix, and prepare concrete and mortar specimens.
• Cast, label, cure, and track laboratory specimens.
• Perform fresh concrete testing (slump, air content, unit weight, temperature).
• Run compressive strength tests and other evaluations.
• Operate mixers, compression machines, curing equipment, and testing instruments.
• Record data using notebooks and Excel.
• Maintain and organize lab equipment and work areas.
• Assist scientists and engineers with experiments and new product development.

Skills

Attention to detail

Teamwork

Microsoft Excel (basic)

Education

High school diploma or equivalent

Associate degree or higher (preferred)

Tools

Concrete mixers

Compression testing machines

Curing equipment

Laboratory equipment

Job description

Queens Carbon is seeking a hands-on Concrete Materials Laboratory Technician to support preparation, testing, and evaluation of cementitious materials, mortars, and concrete mixtures. You will perform hands-on laboratory testing following ASTM procedures and help maintain a safe, organized lab environment.

Previous concrete lab experience is preferred but not required. Training will be provided, and opportunities exist to grow in advanced concrete testing techniques and new product development