St Louis County Library Jobs (NOW HIRING)

Salary: See Position Description
Location : Fleet Building, 2500 Drilling Service Rd, Maryland Heights, MO, MO
Job Type: Full-Time
Job Number: 2025-00023
Department: Transportation and Public Works - Fleet Management
Opening Date: 06/01/2026
Closing Date: 6/30/2026 11:59 PM Central
Description
The St. Louis County Department of Transportation and Public Works is looking for an experienced individual to become an Automotive and Equipment Mechanic II. This position will perform skilled automotive maintenance and equipment repair on County owned or leased light vehicles and guide fellow employees to enhance their skills.
The typical starting salary range is between $21.20 - $25.44 hourly depending on the candidates' qualifications and experience. 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 .
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.
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
Examples of Duties
Perform inspection, maintenance, preventive maintenance and repair of gas- and diesel-powered vehicles.
Perform welding repairs and light sheet metal fabrication.
Provide mentoring and cross training to fellow employees to further their skill and knowledge base.
Perform other duties as required or assigned including duties assigned during mandatory snow shift.
Minimum Qualifications
Candidates should have technical school training and three years of automotive and equipment repair experience at the master mechanic level or have an equivalent amount of training and experience. Candidates must possess a valid driver's license. Additionally, Possession of a Refrigerant Transition and Recovery Certification (MAC or ASE) is required and a Class A Commercial Driver's License (CDL) will be required within 6 months of hire.
Additional Information
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 . 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 FloorClayton, MO 63105
(314) 615-5429Relay MO 711 or 800-735-2966
An Equal Opportunity EmployerFax: (314) 615-7703www.stlouiscountymo.gov
St. Louis County offers its employees many excellent benefits with paid medical insurance, 20 days of PTO (paid time off) the first year and increasing with seniority, and 11-12 paid holidays. Employees hired for full time employment will participate in the St. Louis County retirement plan where they contribute 4% of their salary to the defined benefit plan with vesting after 7 years. Other benefits include: paid life insurance, a credit union, 457 Deferred Compensation Plan, pre-tax premium pay plan, dependent care and medical expense reimbursement plans, and short and long term disability insurance.
In addition to these benefits, as of January 1, 2023, St. Louis County approved up to 480 hours of paid parental leave for eligible employees welcoming new children, either by birth or adoption. The employee can also take up to 80 hours of leave for prenatal care and up to 80 hours for care of the child within the first year.
Please click to view all of our benefits.
01
Describe your experience working as a technician working with vehicles and equipment.
02
Do you have a current, valid driver's license?

• Yes
• No

03
How many moving violations have you had in the last three years?
04
Has your driver's license ever been suspended or revoked?

• Yes
• No

05
Please provide any previous work experience you have had with St. Louis County Government including roles you held and the dates of employment. Further, please explain the reason(s) for your departure from the organization. If this does not apply to you, simply enter n/a.
06
Describe any education and work experience you have that relates to this job.
07
Describe a time when you identified a problem that was not immediately obvious. How did you troubleshoot it and what was the outcome?
08
Can you explain the process you follow when troubleshooting an engine issue in a diesel heavy truck?
09
Describe any experience completing repairs and maintenance of hybrid or electric vehicles,
10
A vacuum gauge is connected to the intake manifold of an engine running at 2,000 rpm. During the test, the pointer of the gauge fluctuates rapidly between readings of 10 and 22 inches of vacuum. These readings could be caused by:A. A leaking intake manifold gasket.B. Worn piston rings.C. Worn valve guides.D. A broken valve spring.
11
The engine of a vehicle with an automatic transmission starts in all selector positions. Which of these is the most likely cause?A. A shorted ignition switch.B. A shorted neutral switch.C. An open neutral switch.D. An open ignition switch.
12
The front end of a vehicle with disc/drum brakes dips too much when the brakes are lightly applied. Which of these is the most likely cause?A. Loose front wheel bearings.B. Air in the front brake lines.C. A binding caliper piston seal.D. A bad metering (hold off) valve.
13
A multiport fuel infected engine idles OK but hesitates when the throttle is opened. Which of these is the most likely cause?A. A bad idle air control valve.B. An open fuel injector winding.C. A bad throttle position sensor.D. An open oxygen sensor lead.
14
After repairing a vacuum leak, a technician starts and runs the vehicle until it reaches closed loop. The technician then finds the following scan tool readings: Long Term FT: +30%, Short Term FT: -10%. Which of these is the most likely cause?A. Normal operation.B. A lazy oxygen sensor.C. Another vacuum leak.D. A bad PCM.
15
Inform of the requirement to obtain CDL and perform snow duty.
Required Question