CPT Materials Engineer Jobs
Materials Engineer CPT roles let you apply coursework in metallurgy, polymers, composites, or semiconductors directly in industry labs and R&D facilities. Your DSO must authorize CPT before your start date, and the work must tie to a specific course or degree requirement. Part-time CPT (under 20 hours per week) preserves your full 12-month OPT eligibility.
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Get Access To All JobsINTRODUCTION
The Construction Materials Testing (CMT) Intern Level 2 performs routine field and laboratory testing tasks in support of construction materials testing projects with increasing independence. This role builds on foundational experience to contribute more actively to data collection, documentation, and testing activities while continuing to develop knowledge of construction practices, materials testing standards, and project workflows. The CMT Intern Level 2 demonstrates growing technical competency, reliability, and professionalism while maintaining a positive customer service attitude and demonstrating ECS Core Values.
ROLE AND RESPONSIBILITIES
- Performs construction materials observation and testing in the field with guidance from senior staff
- Conducts routine testing of soil, concrete, asphalt, and other materials with increasing independence
- Documents field conditions and testing results in accurate and timely field reports
- Assists in the preparation, organization, and maintenance of field and laboratory equipment
- Performs basic calculations, data reduction, and data entry tasks
- Communicates with contractors, field staff, and project teams regarding testing activities and site conditions
- Notifies supervisors of changes in site conditions, testing needs, or potential issues
- Assists with laboratory testing, including sample preparation, curing, and testing procedures
- Maintains organized and clean field and laboratory work environments
- Participates in project-related meetings and coordination activities as requested
- Assists with reviewing laboratory results and supporting project documentation
- Performs other duties as assigned
BASIC QUALIFICATIONS
- 90 days of related experience
- At least one internship with ECS or another firm
- Must be pursuing an Associate, Bachelor, or Master degree in Civil Engineering, or other degree related to our services
- One certification must be completed within the 90-day introductory period, and all basic certifications must be completed within 270 days of employment, including: Radiation Safety, Soils I, and Concrete I
- Additional certifications applicable to the work performed may be required for Level 2
- If driving for or on behalf of any ECS subsidiary, a valid driver's license is required
- Strong communication skills (verbal and written)
- Dependable, detail-oriented, and self-motivated work ethic
- Ability to work effectively both independently and within a team
- Developing knowledge of construction materials testing principles and standards
- Basic math and data interpretation skills
- Ability to read plans, follow directions, and interpret construction documents
- Proficiency with electronic devices and data entry tools
- Ability to work in outdoor environments and lift required equipment
- Must be able to lift a minimum of 85 pounds a number of times each day
MILITARY QUALIFICATIONS
The following US Military ranks would qualify for this position:
- E-4
Please note: relocation assistance is not provided for this position
COMPENSATION
The expected pay range for this role and location is $18-$20/hour. The final agreed-upon compensation will be determined based on specific location and other individual qualifications.
WHO WE ARE
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 facilities consulting services. We are employee-owned with more than 3,000 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 #50 in Zweig Group’s Hot Firm List (May 2025).
ECS is an Equal Opportunity Employer. To learn more, click here.
INTRODUCTION
The Construction Materials Testing (CMT) Intern Level 2 performs routine field and laboratory testing tasks in support of construction materials testing projects with increasing independence. This role builds on foundational experience to contribute more actively to data collection, documentation, and testing activities while continuing to develop knowledge of construction practices, materials testing standards, and project workflows. The CMT Intern Level 2 demonstrates growing technical competency, reliability, and professionalism while maintaining a positive customer service attitude and demonstrating ECS Core Values.
ROLE AND RESPONSIBILITIES
- Performs construction materials observation and testing in the field with guidance from senior staff
- Conducts routine testing of soil, concrete, asphalt, and other materials with increasing independence
- Documents field conditions and testing results in accurate and timely field reports
- Assists in the preparation, organization, and maintenance of field and laboratory equipment
- Performs basic calculations, data reduction, and data entry tasks
- Communicates with contractors, field staff, and project teams regarding testing activities and site conditions
- Notifies supervisors of changes in site conditions, testing needs, or potential issues
- Assists with laboratory testing, including sample preparation, curing, and testing procedures
- Maintains organized and clean field and laboratory work environments
- Participates in project-related meetings and coordination activities as requested
- Assists with reviewing laboratory results and supporting project documentation
- Performs other duties as assigned
BASIC QUALIFICATIONS
- 90 days of related experience
- At least one internship with ECS or another firm
- Must be pursuing an Associate, Bachelor, or Master degree in Civil Engineering, or other degree related to our services
- One certification must be completed within the 90-day introductory period, and all basic certifications must be completed within 270 days of employment, including: Radiation Safety, Soils I, and Concrete I
- Additional certifications applicable to the work performed may be required for Level 2
- If driving for or on behalf of any ECS subsidiary, a valid driver's license is required
- Strong communication skills (verbal and written)
- Dependable, detail-oriented, and self-motivated work ethic
- Ability to work effectively both independently and within a team
- Developing knowledge of construction materials testing principles and standards
- Basic math and data interpretation skills
- Ability to read plans, follow directions, and interpret construction documents
- Proficiency with electronic devices and data entry tools
- Ability to work in outdoor environments and lift required equipment
- Must be able to lift a minimum of 85 pounds a number of times each day
MILITARY QUALIFICATIONS
The following US Military ranks would qualify for this position:
- E-4
Please note: relocation assistance is not provided for this position
COMPENSATION
The expected pay range for this role and location is $18-$20/hour. The final agreed-upon compensation will be determined based on specific location and other individual qualifications.
WHO WE ARE
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 facilities consulting services. We are employee-owned with more than 3,000 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 #50 in Zweig Group’s Hot Firm List (May 2025).
ECS is an Equal Opportunity Employer. To learn more, click here.
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Get Access To All JobsMaterials Engineer CPT: Frequently Asked Questions
Does a Materials Engineer internship qualify for CPT?
Yes, if the internship is an integral part of your curriculum and your school lists it as a required or elective course credit. The role must involve materials-specific work such as testing, process development, or failure analysis. Generic lab assistant roles that don't connect to your degree program won't clear DSO review. Get the job description in writing before submitting your CPT request.
Can I do CPT at a national lab or government contractor?
Yes, national labs and government contractors regularly hire F-1 CPT students for Materials Engineer roles in areas like structural alloys, coatings, and additive manufacturing. Some positions at facilities with security requirements may involve additional screening timelines, so confirm clearance requirements with the employer before accepting. Your CPT authorization itself comes from your DSO, not the employer or any federal agency.
How do I find employers who are comfortable hiring CPT students for materials roles?
Search Migrate Mate for Materials Engineer positions filtered by employers with LCA filing history in engineering occupations. Employers who've sponsored work authorization before are familiar with the documentation CPT requires, which makes the onboarding process faster. Aerospace, semiconductor, and automotive manufacturers tend to have structured internship pipelines with DSO authorization built into their offer process.
Does full-time CPT affect my OPT eligibility?
Full-time CPT used for 12 months or more eliminates your standard 12-month OPT eligibility entirely. Part-time CPT, defined as under 20 hours per week, has no effect on OPT regardless of duration. If your Materials Engineer CPT role is full-time, plan your timeline carefully. STEM OPT extension eligibility requires that your employer be enrolled in E-Verify at the time of the extension application.
What documentation does my employer need from me to process CPT?
Your employer needs your updated I-20 with CPT authorization printed on page two, showing the employer name, role, authorized dates, and full-time or part-time status. Some employers also request a copy of your visa and a completed I-9 with your I-20 as the supporting document. Confirm with HR that your CPT end date on the I-20 covers your entire anticipated work period, since working even one day past the authorized end date is an unauthorized employment violation.