Construction Materials Senior Field Technician II

ECS Group of Companies; Chantilly (VA); On-site; USD 34,000 - 48,000; Full time

Job summary

ECS Group of Companies is seeking a Construction Materials Testing Senior Field Technician II for our Chantilly, VA team. You will collaborate with experienced project managers to perform a variety of field tasks in our Field Services department, ensuring safety and accuracy on every site.

The role requires physical ability, certifications, and strong communication. Training is provided to advance in ECS methodology, with competitive pay and opportunities for growth and professional development.

Qualifications

• 4 years of related field experience.
• High School diploma or GED required.
• OSHA 10 may be required; valid driver’s license and transportation.
• Strong communication, math, and safety knowledge.
• Proficiency with MS Office and basic drafting.

Responsibilities

• Perform observation, testing, sampling, and inspection of soils, aggregates, concrete, grout, masonry, and steel on construction sites.
• Execute field tests using standard methods and equipment per industry standards.
• Collect data, perform calculations, and draft field reports documenting site observations.
• Maintain clear daily communication with site contractors and project managers; attend meetings.
• Receive training in ECS methodologies and document findings precisely.

Skills

4 years related experience

Strong communication skills

Ability to lift 40-70 lbs

Valid driver’s license

OSHA 10 may be required

Education

High School diploma or GED

2 basic certifications

4 advanced certifications

Tools

MS Office

Job description

ECS Limited is offering a unique opportunity for a talented and certified Construction Materials Testing (CMT) Senior Field Technician II to join our Chantilly team. We offer opportunities for professional development with additional incentives as you advance your skills and gain experience. In this role, you'll continue to collaborate and develop with experienced project management professionals to safely perform a variety of tasks in Field Services department.

Responsibilities

• Field Activities: Perform observation, testing, sampling, and inspection of materials, including soils, aggregates, concrete, grout, masonry, asphalt, and structural steel placement on construction sites; Execute tasks based on project requirements under the guidance of other senior technicians, staff professionals, and project managers.
• Testing Procedures: Conduct routine field tests for soils, aggregates, concrete, grout, masonry, asphalt, and structural steel placement using various methodologies and testing equipment following industry standards and compliance.
• Data Collection: Perform calculations and data reduction based on sampling, test results, and inspections; Engage in drafting and other administrative duties as required; Develop skills in documentation and prepare field reports that document site observations for field work performed.
• Communication: Maintain daily communication with site contractors, other technicians, and project managers; Keep supervisor and project teams informed of changing site conditions and additional testing requested; Attend project meetings with senior staff as requested.
• Training and Development: Receive training in ECS methodology for project observations, inspections, and testing; Document findings with precision in accordance with accepted engineering practices.

Career Development

As Your Experience Grows, ECS Will

• Support you in further enhancing your professional skills.
• Encourage continued participation in internal and external training programs and certification opportunities provided by organizations such as ACI, ASNT, AWS, ICC, NICET, NRCA, RCI, various State DOTs, WACEL, and others, as appropriate.

Required Qualifications

• 4 years of related experience.
• High School diploma or GED.
• 2 basic certifications
• 4 advanced certifications
• OSHA 10 may be required.
• Position requires carrying 40 - 70 lbs multiple times a day or occasionally lifting 85 lbs to waist height.
• Must have valid driver's license and insurance.
• Must provide suitable transportation for use on job sites - Mileage will be reimbursed.
• Must have the ability to safely operate a motor vehicle and follow all local and state laws, road/driving regulations, and company policies.
• Strong communication skills (speaking, reading, and writing).
• 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 with the ability to read maps, follow directions, and interpret engineering and construction plans.
• Basic knowledge of MS Office.

Military Qualifications

• The following US Military ranks will qualify for this position IF they also meet the education, certification, and licenses requirements from the above section titled "Required Qualifications":
• E-4/E-5

The expected pay range for this role and location is $25-$35/hour. The final agreed-upon compensation will be determined based on specific location and other individual qualifications.

ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and building science + infrastructure consulting services. We are employee-owned with more than 3,00 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #60 in Engineering News-Record's Top 500 Design Firms (April 2026), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #38 in Zweig Group's Hot Firm List (June 2026). For additional information about ECS, visit: www.ecslimited.com.

ECS is an Equal Opportunity Employer. To learn more, click here.