CMT Assistant Staff Professional

Engineering Consulting Service; Frederick (MD); On-site; USD 33,000 - 36,000; Full time

Job summary

ECS Limited in Frederick, MD is seeking a Construction Materials Testing (CMT) Assistant Staff Professional to join our team. This primarily field-based role supports testing projects under supervision, helping with observation, testing, and documentation while building foundational skills in materials testing and project workflows.

As you gain experience, ECS will provide training opportunities and career development.

Qualifications

• 4 years of experience in construction materials testing (field or lab), special inspections, or an equivalent combination of education and experience
• High school diploma or GED required; Bachelor of Science in Engineering, Earth Sciences, Engineering Technology, or related field preferred
• Obtain certifications applicable to field work per ECS Technician Certification Policy
• Valid driver's license if driving for ECS subsidiaries
• Strong communication and interpersonal skills
• Dependable, self-motivated, 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

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 testing needs to 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

Skills

Strong communication

Interpersonal skills

Detail oriented

Team collaboration

Independent work

Documentation of observations

Project management interest

Reliability

Education

High school diploma or GED

Bachelor of Science in Engineering / Earth Sciences (preferred)

Job description

Responsibilities

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.

• 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.

Qualifications

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.

About Us

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 3,200 employees in 125 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.