R&D Technician I: Concrete Lab Innovator

Ozinga Bros, Inc.; Chicago (IL); On-site; USD 47,000 - 60,000; Full time

Job summary

Ozinga Bros, Inc. is seeking an entry-level R&D Technician I to support concrete research in our laboratory. You will source materials, prepare mixes, cast specimens, and conduct plastic and hardened sample testing.

The role involves maintaining curing tanks, lab areas, and equipment while learning from ongoing projects in the Ozinga R&D lab. Qualifications include a high school diploma, familiarity with ASTM/AASHTO, and certifications such as IDOT, ACI, with 0–2 years in concrete.

Qualifications

• High School Diploma or equivalent required.
• IDOT/AASHTO and ACI certifications preferred.
• 1 year in concrete/cement industry preferred.

Responsibilities

• Understand testing standards (ASTM, AASHTO).
• Gather materials and prepare mixes per designs.
• Condition and cure samples per methods.
• Test plastic/hardened concrete, mortar, or cementitious powders.
• Follow SOPs to ensure testing consistency.
• Maintain tools and equipment used for testing.
• Obtain level 1 certifications in relevant test methods.

Skills

Communication

Interpersonal skills

Teamwork

Organizational skills

Multitasking

Prioritization

Learning ability

Education

High School Diploma or equivalent

IDOT Aggregate Level 1 Certification

ACI Strength Testing Certification

ACI Field Testing Certification

IDOT Level 1 Certification

1 Year of Experience in concrete/cement industry

Tools

Excel

PowerPoint

Word

Job description

Ozinga Bros, Inc. is seeking an entry-level R&D Technician I to support concrete research in our laboratory. You will source materials, prepare mixes, cast specimens, and conduct plastic and hardened sample testing.

The role involves maintaining curing tanks, lab areas, and equipment while learning from ongoing projects in the Ozinga R&D lab. Qualifications include a high school diploma, familiarity with ASTM/AASHTO, and certifications such as IDOT, ACI, with 0–2 years in concrete.