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Traffic Operations Manager (Supervisor, Project Managers)

St. Louis County
MO, MO Full Time
POSTED ON 5/8/2026
AVAILABLE BEFORE 5/31/2026
The St. Louis County Department of Transportation and Public Works is looking for an experienced individual to become a Supervisor, Project Managers in the Operations Division. This Supervisor is a key manager position within the Department of Transportation/Public Works, assisting the Operations Division Manager and managing the traffic signals section. This position will be based out of Maryland Heights. 

The typical starting salary range will be $81,848.00 - $98,217.60 annually depending on the candidate's qualifications and experience as well as budgetary considerations. Additionally, we offer a comprehensive benefits package and a generous Paid Time Off (PTO) policy.  To learn more about these and other County benefits, please visit https://stlouiscountymo.gov/st-louis-county-departments/administration/personnel/benefits.


  • Direct and manage traffic engineering projects and personnel, including hiring and performance evaluations. 
  • Manage repair, operations, upgrades, and underground utility locates of traffic signals and the communications network.
  • Manage traffic correspondence related to traffic signals.
  • Create traffic signal specifications.
  • Responsible for additions and deletions to the County Traffic Code, Schedule I – Electric Traffic Control Signals.
  • Manage the annual operating budget for traffic signals and pavement marking items.
  • Create and manage traffic operations contracts for materials and services.
  • Perform other duties as assigned. 
Candidates must be registered as a Professional Engineer by the Missouri Board of Engineers, Architects and Land Surveyors. At least seven years of related experience including traffic and supervisory experience or any equivalent combination of education and experience.   

A current, valid driver's license is required.

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. The interview 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. After initial interviews with the selected candidates are conducted, 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

Salary : $81,848 - $126,859

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