Environmental Lab

Actalent; St. Louis (MO); On-site; USD 52,000 - 63,000; Full time

Benefits offered by this job

Medical, dental & vision

401(k) Retirement Plan

Life Insurance

Disability (Short/Long-term)

HSA/Transportation benefits

Job summary

Actalent in Saint Louis, MO is seeking an Environmental Lab Technician to oversee a CMEC-accredited laboratory and support field teams. You will manage testing programs, perform data entry, and ensure accuracy of test results in accordance with ASTM procedures.

The role emphasizes hands-on testing of soils, aggregates, concrete, and asphalt, with a focus on maintaining equipment and coordinating daily workflow in a fully onsite environment.

Qualifications

• Experience in construction materials testing in a laboratory environment.
• Ability to interpret ASTM standards and USACE documentation.
• Proficient data entry and laboratory software usage.

Responsibilities

• Enter data from tests into reports and maintain records.
• Develop and maintain laboratory testing programs.
• Calibrate and maintain laboratory equipment.
• Coordinate workflow and support 10–11 field technicians.
• Perform soils, aggregates, concrete and asphalt testing per ASTM procedures.

Skills

Soil testing

Aggregate testing

ASTM standards

Laboratory data entry

Equipment calibration

Education

Associate degree

Job description

Environmental Lab Technician

Job Title: Environmental Lab Technician Job Description We are seeking an experienced Laboratory Lead to oversee the operations of our accredited construction materials laboratory. This role involves maintaining and developing laboratory testing programs and ensuring the accuracy and reliability of test results. You will be responsible for entering data gathered from laboratory tests into reports and handling laboratory equipment, including performing equipment calibrations and tracking maintenance.

Responsibilities

• Enter data gathered from laboratory tests into reports.
• Maintain and develop laboratory testing programs.
• Handle laboratory equipment, including performing equipment calibrations and tracking equipment maintenance.
• Understand and apply ASTM standards, USACE documentation, and manage a CMEC accredited laboratory.
• Conduct physical laboratory testing of soils, concrete, and asphalt in accordance with applicable ASTM procedures.
• Interpret and communicate test procedures, specifications, and results effectively with team members, customers, consultants, and specifiers.
• Possess a complete knowledge and understanding of all equipment, test methods, and applicable specifications associated with areas of responsibility.
• Perform laboratory testing on soils, aggregates, concrete, and other construction materials.
• Conduct sieve analysis, moisture content, density, and related testing.
• Ensure testing is completed in accordance with ASTM standards.
• Serve as the primary laboratory resource supporting approximately 10-11 field technicians.
• Maintain testing equipment and uphold laboratory quality standards.
• Coordinate daily workflow and prioritize testing needs within the lab.

Essential Skills

• Technical competence in interpreting and communicating test procedures and results.
• Experience and skills in using computers and software efficiently for job duties.
• Understanding of ASTM standards and USACE documentation.
• 3+ years of construction materials testing (CMT) or geotechnical laboratory experience.
• Experience performing soil and aggregate testing, including sieve analysis.

Additional Skills & Qualifications

• Associate degree from a technical or four-year school preferred.
• Experience managing a construction materials laboratory is highly preferred.
• ACI Certifications in Concrete Strength, Aggregate Base, and Aggregate Testing.
• CTQP Certified LBR Testing.

Work Environment

This position involves working in a laboratory environment, which requires physical testing of materials such as soils, concrete, and asphalt. Approximately 60% of the role is laboratory-based, while 40% involves field work. The laboratory operates in accordance with CMEC accreditation standards and requires adherence to ASTM procedures. The role offers the opportunity to work independently while collaborating closely with field and operations teams. Standard use of laboratory testing equipment, computer software, and industry testing procedures is expected.

Job Type & Location

This is a Contract to Hire position based out of Saint Louis, MO.

Pay and Benefits

The pay range for this position is $25.00 - $30.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Application Deadline

This position is anticipated to close on Oct 26, 2026.

Workplace Type

This is a fully onsite position in Saint Louis, MO.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

Equal Opportunity Employer

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

Accommodation Request

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email [e-mail] for other accommodation options.

San Francisco Fair Chance Ordinance

Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI)

We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.