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County Engineer Jobs in Illinois (NOW HIRING)

Palermo Rhodes

Field Engineer

Chicago, IL · On-site

You will be calling on A&E firms, City and County departments promoting construction products, doing lunch and learns and acting as the technical expert to the design community Qualifications BSCE ...

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All JobsCounty Engineer JobsCounty Engineer Jobs in Illinois

County Engineer information

See Illinois salary details

$37.8K

$98.6K

$133.2K

How much do county engineer jobs pay per year?

As of Sep 8, 2026, the average yearly pay for county engineer in Illinois is $98,600.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,400.00 and $112,900.00 per year, depending on experience, location, and employer.

What is a county engineer?

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 are the key skills and qualifications needed to thrive as a county engineer?

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.

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 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 most commonly searched types of County Engineer jobs in Illinois?

The most popular types of County Engineer jobs in Illinois are:

What are popular job titles related to County Engineer jobs in Illinois?

For County Engineer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching County Engineer jobs in Illinois look for?

The top searched job categories for County Engineer jobs in Illinois are:

What cities in Illinois are hiring for County Engineer jobs?

Cities in Illinois with the most County Engineer job openings:

County Engineer jobs near you
Infographic showing various County Engineer job openings in Illinois as of August 2026, with employment types broken down into 75% Full Time, 22% Part Time, and 3% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $98,600 per year, or $47.4 per hour.

Transportation Engineer

Harrison Consulting Solutions

Peoria, IL • On-site

Full-time

Re-posted 9 days ago

Job description

Midwest multi-disciplined engineering firm is looking to add a Transportation Engineer to their Peoria team!


Responsibilities:
  • Conduct general civil engineering services and design transportation projects for State, County, and Local Agencies
  • Design residential/commercial projects
  • Design roadway, underground utility and infrastructure improvements
  • Conduct studies (stormwater, traffic, and other engineering studies)
  • Prepare detailed engineering plans/specifications
  • Coordinate permitting with various agencies
  • Manage project from start through completion on time and within budget


Requirements:
  • Bachelor’s degree in Civil Engineering
  • 5+ years of experience in municipal and highway transportation projects
  • PE License
  • Proficient in Open Roads and/or AutoCAD Civil 3D


Salary is commensurate with experience.

 

Successful applicants must be authorized to work in the USA without sponsorship.

 

All qualified applicants will receive consideration for employment without regard to protected veteran status, disability, race, color, religion, sex, sexual orientation, gender identity, or national origin.

 

Please contact Laura Harrison for further information!

 

www.harrisonconsultingsolutions.com

 

517-906-6926