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  • Full Time
  • Waukegan
  • February 22, 2026

Lake County

At Lake County, our mission is to provide exceptional services and support for Lake County’s people, communities, and environments and our vision is to be a national leader driven to achieve excellence, innovation, and sustainability so all are valued and can thrive. Among our values is responsibility, which we define as acting with integrity and transparency and do what is right fiscally, earning the trust and confidence in our County/communities/community.

Aligned with our mission and vision, the Internal Auditor is a valuable member of the Lake County team, responsible for the review and analysis of the operations and functioning of Lake County departments. With a goal of operational excellence across Lake County, this newly created position is focused on ensuring compliance with established policies and procedures, minimizing risk, and improving efficiency.

The Internal Auditor will develop and execute the County’s audit plan and take a lead role in the day to day execution of internal audits, work collaboratively with County departments to proactively identify business risks and evaluate the controls in place to mitigate those risks, as well as provide value-added advice and support to departments on the creation or modification of policies, procedures, processes, products or services to ensure an appropriate level of internal control and compliance is maintained.

Essential Functions

  • Assisting in the establishment of an Enterprise Risk Management and Internal Control framework.
  • Assist in the creation of internal control policies, processes, and procedures for all Lake County departments and divisions in accordance with the Government Accountability Office (GAO) Standards for Internal Control in the Federal Government (“Green Book”) standards.
  • Establish a risk assessment process, which prioritizes risk areas.
  • Works collaboratively with departments to plan audits, explain scope and objectives, and provide overview of all steps.
  • Develop thorough understanding of multi-disciplines and cross-functional business processes for audits and document the processes appropriately.
  • Develop risk-based test plan using appropriate audit approach, test procedures and sampling criteria.
  • Perform audit tests and prepare working papers in accordance with professional Institute of Internal Auditor standards.
  • Evaluate adequacy of process design and effectiveness of controls in meeting business and control objectives. Identify and document control and process weaknesses and provide evidential support for findings.
  • Propose practical and value-added recommendations to address control weaknesses and/or process inefficiencies.
  • Conduct audit close-out meetings providing clear explanations and expectations for identified issues.
  • Follow up on findings of internal and external audits.
  • Prepare concise and informative written audit reports and effectively present these reports to the Finance and Administrative Committee of the Lake County Board.
  • Implement and train pertinent staff on internal control framework requirements, duties and practices.
  • Assist in the development of a Continuity of Operations Plan.
  • Performs other duties as required.

Knowledge Skills Abilities and Education Required

  • Bachelor’s degree in Accounting or Finance and a working knowledge of governmental accounting and generally accepted accounting principles.
  • Eight years of relevant experience.
  • Certificate in Public Accounting (CPA) or Certified Internal Auditor (CIA) strongly preferred.
  • Work experience coordinating, leading, or managing internal audits.
  • Experience with ERP systems and their application to administrative processes.

Supplemental Information
For more information on Lake County’s mission, vision, values and strategic plan please visit https://www.lakecountyil.gov/2516/Strategic-Plan. 

Lake County offers a competitive salary and benefit package. We also offer flexible working hours, and a comprehensive wellness and training program. Visit our Prospective Employee 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 and alcohol testing and may include a pre-employment medical exam.

Lake County is committed to being a diverse and inclusive workplace and is proud to be an Equal Opportunity Employer (EOE).

To apply for this job please visit www.governmentjobs.com.