CMT Assistant Staff Professional

ECS Group of Companies; Frederick (MD); On-site; USD 33,000 - 36,000; Full time

Job summary

ECS Limited is seeking a CMT Assistant Staff Professional to join our Frederick team. This role is field-heavy, supporting construction materials testing projects under senior staff guidance.

You will learn soil classification, testing methods, and project workflows while delivering clear field observations and client-facing communication. Competitive pay and career development are provided.

Qualifications

• 4 years of experience in construction materials testing (field or lab) or equivalent education.
• High school diploma or GED is required; a BS in engineering or earth sciences is preferred.
• Possess certifications applicable to field work as per ECS policy.
• Valid driver's license if driving for ECS subsidiaries.

Responsibilities

• Assist with field tasks supporting construction materials testing projects.
• Perform construction observation and testing activities with guidance from senior staff.
• Document site conditions and testing results in daily field reports.
• Communicate changes in site conditions or testing needs to project staff.
• Interact with contractors, technicians, and project team members on job sites.
• Partake in project meetings with senior staff as requested.
• Begin learning soil classification and testing methods.
• Perform testing on soils, aggregates, foundations, concrete, masonry, steel, asphalt, and fireproofing with limited supervision.
• Assist with preparation of calculations, reports, and project documentation.
• Support project lifecycle activities with limited office work as experience develops.
• Perform other field and project support duties as assigned.

Skills

Field testing experience

Strong communication

Interpersonal skills

Detail-oriented

Teamwork

Self-motivated

Ability to learn ASTM standards

Education

High school diploma or GED

Bachelor of Science in Engineering/Earth Sciences/related

Engineering certification or degree preferred

Job description

ECS Limited is offering a unique opportunity for a talented Construction Materials Testing (CMT) Assistant Staff Professional to join our Frederick team and advance in a dynamic work environment. The Construction Materials Testing (CMT) Assistant Staff Professional performs field and project support tasks in support of construction materials testing projects under the direction of more senior staff. This role is primarily field-based and provides foundational experience in construction observation, materials testing, and project workflows. The CMT Assistant Staff Professional develops technical, consulting, and project management skills while maintaining a positive customer service attitude and demonstrating ECS Core Values.

Responsibilities

• Assists with field tasks supporting construction materials testing projects
• Performs construction observation and testing activities with guidance from senior staff
• Documents site conditions and testing results in daily field reports
• Communicates changes in site conditions or additional testing needs to the project staff
• Interacts with contractors, technicians, and project team members on job sites
• Participates in project meetings with senior staff as requested
• Begins learning soil classification and testing methods
• Performs testing on soils, aggregates, foundations, concrete, masonry, structural steel, asphalt, and fireproofing with limited supervision
• Assists with preparation of calculations, reports, and project documentation
• Supports project lifecycle activities with limited office work as experience develops
• Performs other field and project support duties as assigned

Career Development

As Your Experience Grows, ECS Will

• Support you in enhancing your professional skills to advance and grow with us.
• Encourage participation in internal and external training programs and certification opportunities.

Required Qualifications

• 4 years of experience in construction materials testing (field or lab), special inspections, or an equivalent combination of advanced education and experience (i.e., 4-year degree + 0 years of experience or associate degree + 2 years of experience)
• High school diploma or GED required
• Bachelor of Science in Engineering, Earth Sciences, Engineering Technology, or related field is preferred
• Obtain certifications applicable to the field work performed as per the ECS Technician Certification Policy
• If driving for or on behalf of any ECS subsidiary, a valid driver's license is required
• Strong communication and interpersonal skills
• Dependable, self-motivated, and detail-oriented work ethic
• Ability to work effectively in teams and independently
• Basic understanding of construction materials testing principles (developing)
• Limited knowledge of ASTM standards and testing procedures
• Interest in project management and consulting environments
• Ability to document and communicate field observations clearly

Military Qualifications

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

The expected pay range for this role and location is $24-$26/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.