Hiring.Camp

Engineering Technician II - Materials Lab/Construction Projects

St. Louis County, Missouri

·

Sep 7, 2025

Salary
$45k – $67k/yr
Location
Mo. 63043, MO, MO, US
Workplace
Onsite
Type
Full-time
Department
Engineering
Education
Certification
Source
GovernmentJobs

Description

The St. Louis County Government Department of Transportation and Public Works is looking for Engineering Technicians to join their team.  If you are looking for the opportunity to work outside in a job with stable, consistent work and allows for the development of construction skills, this would be the job.

There are openings to work in the Materials Lab and on roadway construction projects .  In the Materials Lab, the Technician will perform construction material testing in the laboratory and on construction sites and ensure materials adhere to plans, standards and regulations.  The positions assigned to construction projects will perform inspections of roadway construction sites, investigate existing roads and bridges and complete field and laboratory testing to assist higher-level engineering staff. 

Each snow season Department employees that are required (as defined by their job description) to work snow will receive a $6 per hour increase when they report for emergency snow removal services.

The starting salary for this position will be between $21.49 - $25.79 per hour and will be based on experience and qualifications. For internal candidates, pay will be determined per Departmental policy.  As an employer, St. Louis County cares about the health and well-being of our employees. In an effort to provide for the best possible work-life balance, the County offers a generous benefit package which includes affordable health insurance, dental and vision coverage, 4 weeks of Paid Time Off the first year, 11 paid holidays, deferred benefit retirement plan, paid life insurance as well as short and long term disability.

To learn more County benefits, please visit https://stlouiscountymo.gov/st-louis-county-departments/administration/personnel/benefits.

 St. Louis County Government is a qualified agency for the Public Service Loan Forgiveness program managed by the Federal Government.  For more information regarding this program, please visit https://studentaid.gov/manage-loans/forgiveness-cancellation/public-service. 

Essential Function Examples - Materials Lab

Perform laboratory and on-site construction materials testing and inspection, in accordance with approved standards like the American Association of State Highway and Transportation Officials (AASHTO) and American Society for Testing and Materials (ASTM),  using specialized test equipment.

Conduct investigative core drilling of pavement.

Ensure materials used in County roads and bridges comply with Federal, State, County and local regulations.

Maintain appropriate American Concrete Institute (ACI) and Missouri Department of Transportation (MoDOT) Certifications to comply with State and Federal program requirements.

Resolve issues with material producers and contractors.

Perform proficiency testing for MoDOT and participate in the American Association of State Highway and Transportation Officials (AASHTO) onsite inspections.

Monitor construction material production for adherence to plans, drawings, standards and regulations.

Track and report testing and inspection of embankment placement, aggregate base and structural backfill, hot mix asphalt production and plastic concrete used on-site for road and pre-cast and cast-in-place structure construction.

Operate a density testing device for determination of compaction of soil, aggregate base and hot mix asphalt.

Perform other duties as assigned, including duties assigned during
mandatory snow shift.

Essential Function Examples - Construction Projects

Conduct inspections of roadway construction sites to ensure compliance with construction specifications, plans and procedures.
 
Perform a variety of routine field and laboratory testing procedures on construction materials to ensure conformance with specifications.
 
Maintain required materials testing certifications.  
 
Perform field investigations of existing roads and bridges to collect data required for future construction projects.
 
Review construction plans, standard specifications and construction contract documents.
 
Complete safety checks of work sites and observe work in progress for compliance with established work procedures.
 
Perform other duties as assigned, including duties assigned during mandatory snow shift.

Candidates should possess college level coursework in engineering and mathematics, and two years of experience in roadway construction inspection or a related field or have an equivalent combination of training and experience.  Possession of a valid Class A Commercial Driver's License (CDL) and an ACI Concrete Field Technician - Grade I Certification will be required within 6 months of employment.


Employees will be required to obtain and maintain materials testing certifications.  Initial and recertification will be scheduled and paid for by the St. Louis County Materials Laboratory.SELECTION AND APPOINTMENT:  A selection committee will evaluate the qualifications of each applicant which will include recentness and appropriateness of the applicant's education and experience, answers to the supplemental questions, results of employment references investigated and any other appropriate information available.  The selection committee will admit to the interview only those persons who possess the most job related qualifications and may establish admittance criteria beyond the minimum qualifications stated above.
 
 Responses provided to the interview questions listed under the Supplemental Question heading of this posting will comprise 100% of the applicant's earned grade.  A candidate must earn a qualifying grade of 70 or more on the interview to be eligible for appointment.  Once questions are scored, an email will be sent to the address on file with instructions on how to complete and submit a Conviction Questionnaire.  Candidates have 3 days to complete the required questionnaire.  
 
 The five top ranking candidates, based on the final grade, will be certified to the Department Director/Appointing Authority who will make the final decision.
 
 All applicants conditionally offered a merit position will be required to submit to urinalysis to screen for illegal drug use prior to appointment.  Screening will be performed by a reputable clinical laboratory.  The cost of screening will be covered by the County.  

 HOW TO APPLY:  Applicants interested in applying for this position should visit our website at www.governmentjobs.com/careers/stlouis.  We only accept On-line applications.
 
 EQUAL EMPLOYMENT OPPORTUNITY POLICY:  The policy of the Civil Service Commission of St. Louis County is to support fair and equitable employment opportunities for all persons regardless of race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity, marital status, veterans' status or political affiliation.  Call the Division of Personnel at (314) 615-5429 for more information on this policy.
St. Louis County
 Division of Personnel, 7th Floor
 Clayton, MO 63105
 (314) 615-5429

 Relay MO 711 or 800-735-2966
 An Equal Opportunity Employer
 Fax:  (314) 615-7703

 www.stlouiscountymo.gov
 

Skills

Compliance

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