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County Engineer Jobs in Missouri (NOW HIRING)

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County Engineer information

See Missouri salary details

$36.6K

$95.4K

$129K

How much do county engineer jobs pay per year?

As of Jul 26, 2026, the average yearly pay for county engineer in Missouri is $95,444.00, according to ZipRecruiter salary data. Most workers in this role earn between $78,800.00 and $109,300.00 per year, depending on experience, location, and employer.

How does a County Engineer typically collaborate with other county departments and external agencies?

County Engineers frequently work alongside other county departments—such as planning, public works, and environmental services—to coordinate infrastructure projects, ensure regulatory compliance, and address community needs. They also collaborate with external agencies, including state transportation departments, utility companies, and contractors, to manage permits, funding, and project timelines. Effective communication and teamwork are essential, as County Engineers often serve as technical advisors and project managers, ensuring that all stakeholders are aligned throughout the project lifecycle.

What are County Engineers?

County Engineers are licensed professional engineers who oversee the planning, design, construction, and maintenance of public infrastructure within a county, such as roads, bridges, drainage systems, and public buildings. They ensure that all projects comply with state and federal regulations, manage budgets, and often supervise staff and contractors. County Engineers also play a key role in developing long-term infrastructure plans and responding to emergency situations that impact public works. Their work is essential to maintaining safe and efficient transportation and public services for the community.

What is the difference between County Engineer vs Road Supervisor?

AspectCounty EngineerRoad Supervisor
Required credentialsEngineering degree, Professional Engineer (PE) licenseHigh school diploma or equivalent, relevant experience
Work environmentDesign, planning, project management, administrative tasksSupervising road crews, maintenance, and repair work
Employer and industry usageCounty government, public infrastructure projectsCounty or municipal public works departments

The County Engineer typically holds an engineering degree and PE license, focusing on planning, design, and overseeing infrastructure projects. In contrast, the Road Supervisor manages daily maintenance and supervises crews. While both roles work within public works, the County Engineer has a broader scope involving project management and engineering expertise, whereas the Road Supervisor concentrates on operational supervision.

What are the key skills and qualifications needed to thrive as a County Engineer, and why are they important?

To thrive as a County Engineer, you need a strong background in civil engineering, a bachelor's degree in engineering, and a Professional Engineer (PE) license. Experience with CAD software, GIS systems, project management tools, and knowledge of local, state, and federal regulations is typically required. Strong leadership, communication, and problem-solving skills help coordinate teams and interact with public officials and the community. These skills are essential for ensuring safe, efficient, and compliant infrastructure development and maintenance at the county level.
What are popular job titles related to County Engineer jobs in Missouri? For County Engineer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching County Engineer jobs in Missouri look for? The top searched job categories for County Engineer jobs in Missouri are:
Infographic showing various County Engineer job openings in Missouri as of July 2026, with employment types broken down into 1% As Needed, 79% Full Time, 17% Part Time, 1% Temporary, and 2% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $95,444 per year, or $45.9 per hour.
Bridge Engineer (Project Manager III)

Bridge Engineer (Project Manager III)

St. Louis County

Saint Louis, MO

$68K - $103K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 11 days ago


Job description

Description The St. Louis County Department of Transportation and Public Works has an opportunity for a dedicated, energetic Engineer to join the Bridge Engineering and Inspection team. The Engineer will perform project management for Federal and County funded bridge replacement and rehabilitation projects, complete in-house design plans and calculations, perform bridge inspections and review engineering calculations and design plans as a license professional engineer for the Department.

The starting salary will be between $68,993 - $103,500 annually and will be based on experience and qualifications. 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. Examples of Duties Essential Function Examples Manage Federal and County funded bridge/structural replacement projects from conceptual design through bidding

Seal design plans and calculations following current AASHTO, MoDOT and Department of Transportation Design Codes/Policies. Create and review complex plans and design calculations for bridge and culvert projects. Inspect County bridges and culverts on annual basis including element level and safety inspections per Federal Highway Administration.

Meet with staff or other assigned professionals to discuss project status. Perform other duties as required or assigned. Minimum Qualifications Requires licensure as a Professional Engineer with the Missouri Board of Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects with 5 years of practical experience.

A current, valid driver's license is also required. 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. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.

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.