Sr ACI Technician

System One, Inc.; Denver (CO); On-site; USD 48,000 - 62,000; Full time

Benefits offered by this job

Overtime opportunities

Full-time position

Career growth opportunities

Job summary

System One is seeking a Senior ACI Technician for Denver, CO. The role combines field and laboratory testing on civil infrastructure and CDOT projects, with emphasis on quality control and safety.

The candidate will perform concrete testing per ACI standards, monitor placements, and communicate findings to engineers and contractors. CDOT experience and multiple certifications are highly preferred.

Qualifications

• 5–10+ years of experience in construction materials testing or related field
• Current ACI certification is required
• WAQTC certification is required
• CAPA certification is required
• Strong knowledge of concrete testing procedures and industry standards
• Ability to read and interpret construction plans and project specs
• Must have reliable transportation and be able to travel to Denver metro sites

Responsibilities

• Perform concrete testing and inspection per ACI and project specs
• Conduct field testing of concrete, aggregate, and other construction materials
• Perform sampling, testing, documentation, and reporting of construction materials
• Monitor concrete placement and verify compliance with project requirements
• Interpret project specifications, plans, and testing requirements
• Communicate test results and issues with engineers and project management
• Support quality control/quality assurance on civil construction projects
• Maintain daily reports, test records, and inspection documentation
• Assist with training and mentoring junior technicians
• Follow CDOT requirements and safety procedures

Skills

ACI certification

WAQTC certification

CAPA certification

CDOT project experience

Field communication

Valid driver's license

Job description

Senior ACI Technician

Location: Denver, CO
Pay: $35–$45/hour DOE
Schedule: Full-Time | Field-Based
Experience: 5–10+ years

Position Overview

We are seeking an experienced Senior ACI Technician to join our team in Denver, CO. This role is ideal for a highly experienced materials testing professional with a strong background in civil construction, concrete testing, and CDOT projects.

The Senior ACI Technician will perform field and laboratory testing, ensure compliance with project specifications and applicable standards, and work closely with project managers, engineers, contractors, and inspectors. Experience with CDOT work and civil infrastructure projects is highly preferred.

Key Responsibilities

• Perform concrete testing and inspection in accordance with ACI and project specifications
• Conduct field testing of concrete, aggregate, and other construction materials
• Perform sampling, testing, documentation, and reporting of construction materials
• Monitor concrete placement and verify compliance with project requirements
• Complete testing documentation accurately and efficientlyInterpret project specifications, plans, and testing requirements
• Communicate test results and project issues with engineers, contractors, and project management
• Support quality control/quality assurance efforts on civil construction projects
• Perform testing and inspection in accordance with CDOT requirements
• Maintain accurate daily reports, test records, and inspection documentation
• Assist with training and mentoring junior technicians
• Maintain all required certifications and follow applicable safety procedures

Required Qualifications

• 5–10+ years of experience in construction materials testing, concrete testing, or a related field
• Strong experience with civil construction projects
• Previous experience working on CDOT projects strongly preferred
• Current ACI certification required
• WAQTC certification required
• CAPA certification required
• Strong knowledge of concrete testing procedures, specifications, and industry standards
• Ability to read and interpret construction plans and project specifications
• Strong written and verbal communication skills
• Ability to work independently in the field and manage multiple project priorities
• Valid driver's license and reliable transportation
• Ability to work outdoors and travel to various project sites throughout the Denver metro area and surrounding regions

Preferred Experience

• CDOT specifications and testing requirements
• Highway, roadway, bridge, and other civil infrastructure projects
• Concrete placement and inspection
• Aggregate and soils testing
• Quality control/quality assurance
• Experience mentoring or overseeing junior technicians

Compensation & Benefits

• $35–$45/hour DOE
• Opportunity for overtime depending on project needs
• Full-time, long-term opportunity
• Work on major civil and CDOT projects
• Opportunity for career growth and advancement

If you are an experienced ACI Technician looking to take on a senior-level role with a strong focus on civil construction and CDOT projects, we want to hear from you!

Ref: #673-STS Denver