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Construction Materials Testing (CMT) Laboratory Supervisor

Twin Ports Testing
Duluth, MN Full Time
POSTED ON 11/4/2026
AVAILABLE BEFORE 3/3/2027

Company: Twin Ports Testing
Job Type: Full-Time
Location: Twin Ports Testing Business Office
Compensation: Competitive, based on qualifications and experience

Job Description

Twin Ports Testing is seeking an experienced Construction Materials Testing (CMT) Laboratory Supervisor to join our team.

We are looking for a motivated, detail-oriented professional with a strong background in construction materials testing, laboratory operations, and technical staff supervision.

The CMT Laboratory Supervisor will oversee daily laboratory operations, coordinate testing activities, supervise technicians, maintain laboratory accreditations, and ensure the accuracy and quality of testing services.

This is an excellent opportunity for an experienced construction materials testing professional looking to take on a leadership role while remaining actively involved in technical operations.

Key Responsibilities

  • Supervise and coordinate the daily activities of construction materials testing laboratory and field technicians.
  • Oversee laboratory testing of soils, aggregates, concrete, asphalt, and other construction materials.
  • Coordinate with project managers to schedule laboratory testing and meet project deadlines.
  • Ensure testing procedures are performed accurately and in accordance with applicable industry standards.
  • Maintain AASHTO and DOT laboratory accreditations and associated quality requirements.
  • Manage laboratory equipment, maintenance, supplies, and testing resources.
  • Monitor testing activities, sample documentation, test results, and technical reports for accuracy and completeness.
  • Train, mentor, and provide technical guidance to laboratory and field technicians.
  • Assist with the development, validation, and implementation of new testing procedures.
  • Coordinate laboratory staffing and resources with the CMT Department Manager.
  • Review technical reports and assist with resolving testing discrepancies.
  • Communicate effectively with project managers, clients, technicians, and regulatory agencies.
  • Assist with additional project management and operational responsibilities as assigned.

Qualifications

Preferred Education and Experience

  • Bachelor's degree in Civil Engineering, preferably with coursework in Geotechnical Engineering.
  • Three or more years of experience in construction materials testing.
  • At least one year of field construction materials testing experience.
  • Experience supervising technical personnel and managing laboratory operations.
  • Engineer-in-Training (EIT) certification or successful completion of the Fundamentals of Engineering (FE) examination.
  • Experience with AASHTO and DOT laboratory accreditation requirements.
  • Knowledge of testing procedures for soils, concrete, asphalt, and aggregates.
  • Applicable state, federal, or local construction materials testing certifications.
  • Experience working directly with clients and project managers.

Additional Skills and Qualifications

  • Strong leadership, organizational, and problem-solving skills.
  • Excellent written and verbal communication skills.
  • Ability to prepare, review, and interpret technical testing reports.
  • Strong attention to detail and commitment to quality.
  • Ability to prioritize multiple projects and meet deadlines.
  • Proficiency with computers and laboratory documentation.
  • Ability to work independently and collaboratively.
  • Commitment to maintaining a safe, organized, and productive laboratory environment.

Physical Requirements

  • Ability to lift up to 70 pounds.
  • Ability to walk and navigate varying terrain and construction site conditions.
  • Flexibility to work additional or varying hours as project demands require.
  • Ability to meet applicable medical evaluation and respirator requirements.

Compensation and Benefits

Twin Ports Testing offers competitive compensation based on education, certifications, qualifications, and relevant experience.

Benefits include:

  • Paid time off (PTO)
  • Paid holidays
  • 401(k) retirement plan
  • Company-provided $10,000 term life insurance
  • Short-term disability insurance
  • Long-term disability insurance

Why Join Twin Ports Testing?

At Twin Ports Testing, you'll have the opportunity to play a key leadership role in construction materials testing operations. You'll work alongside experienced technical professionals, help develop laboratory staff, and contribute to the quality and reliability of testing services.

We are seeking someone who takes pride in technical excellence, values teamwork, and is ready to help lead our laboratory operations.

If you have construction materials testing experience and are ready to advance your career in a supervisory position, we encourage you to apply.

Pay: $67,300.00 - $84,800.00 per year

Benefits:

  • 401(k)
  • 401(k) matching
  • Cell phone reimbursement
  • Dental insurance
  • On-the-job training
  • Opportunities for advancement
  • Paid time off
  • Paid training
  • Relocation assistance
  • Vision insurance

Work Location: In person

Salary : $67,300 - $84,800

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