Concrete QC Lab Technician - Growth & ACI Certification

Socket.dev; Wallingford (CT); On-site; USD 42,000 - 64,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k) match

Paid time off

Paid holidays

Job summary

Socket.dev is seeking a Technician to join our in-house concrete laboratory and QC team supporting precast and prestressed products for DOT, marine, port, and infrastructure projects across New England.

This role offers training and ACI certification support, a defined path from Technician → Senior Technician → QC Specialist, and opportunities to work on mix-design development, durability testing, and temperature-matched curing that few labs touch.

Qualifications

• Experience in concrete materials testing preferred.
• Ability to follow ASTM/ACI/DOT procedures.
• Strong math, analytical, and attention-to-detail skills.
• Able to work outdoors in a manufacturing environment.

Responsibilities

• Sample and test raw materials (cement, aggregates, water, admixtures) for spec compliance.
• Perform fresh concrete testing—slump, air, temperature, unit weight—per ASTM, ACI, and DOT requirements.
• Cast, cure, and compression-test cylinders and other specimens.
• Assist with mix-design development, optimization, and troubleshooting.
• Perform QC testing on precast and prestressed products.
• Maintain accurate test records and QC documentation.
• Review test data to spot trends or quality issues and report to QC management.
• Help investigate nonconformances and corrective actions.
• Maintain and calibrate lab equipment; keep a clean, safe lab.
• Participate in R&D of new materials, mix designs, and QC methods.

Skills

Concrete testing

QC testing

Laboratory procedures

Data recording

Analytical skills

Attention to detail

Communication

Microsoft Office

Education

Associate's or Bachelor's in Civil Engineering Technology or related field

Tools

Laboratory equipment

Calibration

ASTM testing equipment

Job description

Socket.dev is seeking a Technician to join our in-house concrete laboratory and QC team supporting precast and prestressed products for DOT, marine, port, and infrastructure projects across New England.

This role offers training and ACI certification support, a defined path from Technician → Senior Technician → QC Specialist, and opportunities to work on mix-design development, durability testing, and temperature-matched curing that few labs touch.