Salary: $94,802.51 - $106,653.33 Annually
Location : Libertyville, IL
Job Type: Full-Time
Job Number: 03056
Department: Division of Transportation
Opening Date: 07/23/2026
Closing Date: 8/24/2026 11:59 PM Central
Salary Grade: Salary.14

General Description

Becoming a Principal Engineer of Permits at the Lake County Division of Transportation (LCDOT) connects you directly with the broader engineering community, bridging the gap between local consultants, municipalities, and the State of Illinois. In this role, you will hold primary administrative and technical responsibility for enforcing the Lake County Highway Access and Use Ordinance, ensuring all development and utility work protects public safety and county infrastructure.

This is primarily an office-based engineering position, with regular hours of work Monday through Friday, from 8:00 am - 4:30 pm. Occasional field work will be required. Alternative work schedules are available, including varying start times and remote work opportunities.
Essential Functions
• Review engineering, drainage, and traffic impact studies.
• Coordinating access permits, utility/facility permits, and special movement permits with other internal departments as well as municipalities.
• Prepare educational and training information to present and share with permit consulting engineers, traffic engineers, municipal engineers, and targeted groups.
• Guide junior-level staff as appropriate.

Knowledge Skills Abilities and Education Required
• Working knowledge of modern principles and practices of civil engineering as applied to the design and construction of various highway projects.
• Skills in regulatory interpretation and contract development/administration.
• Good knowledge of the principles and practices of program management.
• Excellent oral and written communication skills as shown by the ability to communicate clearly and effectively with others.
• Effective problem-solving and analytical skills for complex engineering issues.
• Ability to establish and maintain effective working relationships with staff, supervisors, State and Federal agency representatives, municipality representatives, and members of the public.
• Can work well both individually and as a member of a team.
• Bachelor's degree from an accredited university with a major in Civil Engineering, required.
• Possession of a valid Driver's License, supplemented by a satisfactory driving record, required.
• Minimum of six (6) years of professional experience, required.
• Possession of a certificate as a Licensed Professional Engineer issued by the Illinois Department of Financial & Professional Regulation, required.

Physical Requirements
• Requires light work involving standing or walking some of the time, exerting up to 20 pounds of force regularly, and moderate dexterity in operating machinery, tools, or office equipment.
Supplemental Information
Based on education, licensure, and experience, we have Civil Engineer roles at three levels:
Position Level

Grade

Pay Information

Position Requirements

Civil Engineer
Starting at $74,410.79

Bachelor's Degree in Civil Engineering

Senior Engineer
Starting at $85,193.24

Bachelor's Degree in Civil Engineering
+ 2 years relevant experience
+ Registration as an Engineer-in-Training under the Illinois Professional Engineering Act

Principal Engineer
Starting at $94,802.51

Bachelor's Degree in Civil Engineering
+ 6 years relevant experience
+ Licensed Professional Engineer issued by the Illinois Department of Financial & Professional Regulation (IDFPR)
All Civil Engineering roles require:

• Working knowledge of principles and practices of civil engineering.
• Excellent organizational, project management, and communication skills.
• Effective problem-solving ability for complex engineering issues.
• The ability to work effectively independently and as a member of a team.
• Possession of a valid Driver's License, supplemented by a satisfactory driving record, required.

You can find our full salary ranges for these positions here:

Lake County offers a competitive salary and benefit package. We also offer flexible working hours, and a comprehensive wellness and training program. Visit our page to get additional information on why you should work for Lake County!

Any offer of employment is contingent upon the successful completion of a background screening, drug testing, and may include a pre-employment medical exam.
The County offers an extensive benefits package to eligible employees including health, dental, vision, life insurance, pension, deferred compensation plans, and so much more! Below are resources for the County's current benefits.

You can find additional details on our benefits at and