Senior Construction Materials Field Technician

ECS Ltd • Bentonville, AR

19d • Onsite

About The Position

ECS Limited is seeking a certified Construction Materials Testing (CMT) Senior Field Technician to join its Bentonville team. The role is part of the Field Services department and involves safely performing field observations, inspections, sampling, and material testing at construction sites. The technician works under the guidance of senior technicians, staff professionals, and project managers, while collaborating with project teams and developing professional skills through training and certification opportunities.

The position includes testing and inspecting soils, aggregates, concrete, grout, masonry, asphalt, and structural steel placement; calculating and reducing test data; preparing field reports; and completing drafting and other administrative duties as needed. The technician communicates daily with contractors, other technicians, and project managers, reports changing site conditions and additional testing needs, and may attend project meetings. ECS supports continued development through internal and external training and certifications relevant to the work.

ECS is an employee-owned engineering consulting firm founded in 1988. It provides geotechnical, construction materials, environmental, and building science and infrastructure consulting services, with more than 3,200 employees across 125 offices and testing facilities.

Requirements

• At least 2 years of related experience.
• High school diploma or GED.
• Current basic-level certifications and an additional 2 advanced certifications; must be willing to maintain them.
• Valid driver's license and insurance.
• Suitable transportation for use on job sites; mileage is reimbursed.
• Strong speaking, reading, and writing communication skills.
• Excellent understanding of heavy construction safety, practices, and procedures.
• Ability to work effectively with clients, peers, and supervisors.
• Proficiency with electronic devices such as phones, tablets, and laptops.
• Strong math skills and ability to read maps, follow directions, and interpret engineering and construction plans.
• Basic knowledge of MS Office.
• Ability to carry 40–70 pounds multiple times a day or occasionally lift 85 pounds to waist height.

Nice To Haves

• OSHA 10 certification is a plus.
• Relevant certifications from organizations such as ACI, ASNT, AWS, ICC, NICET, NRCA, RCI, State DOTs, or WACEL, as appropriate.
• U.S. military rank E-4 or E-5, provided the education, certification, and license requirements are also met.

Responsibilities

• Perform observations, testing, sampling, and inspections of construction materials, including soils, aggregates, concrete, grout, masonry, asphalt, and structural steel placement.
• Execute project tasks under the guidance of senior technicians, staff professionals, and project managers.
• Conduct routine field tests using appropriate methodologies and testing equipment, following industry standards and compliance requirements.
• Calculate and reduce data based on samples, test results, and inspections.
• Perform drafting and other administrative duties as required.
• Develop documentation skills and prepare field reports documenting site observations and field work performed.
• Communicate daily with site contractors, other technicians, and project managers.
• Keep supervisors and project teams informed about changing site conditions and additional requested testing.
• Attend project meetings with senior staff as requested.
• Receive training in ECS methods for project observations, inspections, and testing.
• Document findings precisely in accordance with accepted engineering practices.
• Maintain professional skills through training programs and certification opportunities.

Benefits

• Professional development opportunities and incentives as skills and experience advance.
• Support for continued professional skill development.
• Participation in internal and external training programs and certification opportunities.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: High school or GED