Internal Audit Jobs in Illinois

The Marmon Group LLC

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

Marmon is now seeking a proactive and analytically minded Internal Audit Intern to join our Corporate Internal Audit team in the summer of 2027. This internship offers a unique opportunity to gain hands-on exposure to internal audit practices within a complex holding company structure spanning multiple industries and geographies. The intern will play a key role in supporting audit engagements across operating companies, financial statement analysis, process walk-throughs, and audit testing.

This role will involve collaborating with internal auditors and business unit stakeholders, contributing to audit planning and execution, and helping identify opportunities to strengthen internal controls and operational efficiency.

What You'll Do:

• Support internal audit engagements by assisting with planning, walkthroughs, and execution of audit procedures
• Perform testing of internal controls, operational processes, and financial data under auditor supervision
• Assist with documentation of audit work papers, findings, audit reports, and action plans that will aid management
• Participate in meetings with business unit management to understand processes and risks
• Contribute to special projects such as data analysis, process improvement initiatives, or enterprise risk activities
• Travel to site locations dependent on audit schedules (likely two separate full-week trips to a U.S.-based manufacturing facility)

What You'll Gain:

• Practical experience in internal audit within a large, diversified holding company
• Exposure to multiple industries, business models, and operational environments
• A strong foundation in risk assessment, internal controls, and audit methodology
• Opportunities to develop professional communication, analytical, and critical-thinking skills
• Insight into corporate governance, compliance, and enterprise-wide risk management

#LI-DNI

What Makes You Eligible:

• Currently pursuing a Bachelor's or Master's degree in a relevant field such as Accounting or Finance; already taken and/or or currently enrolled in Audit coursework; Junior or Senior academic status w/minimum GPA of 3.0
• Available to work during the target internship period of May 24 - Aug 13, 2027.
• Able to provide own housing and transportation for the duration of the internship
• Able to successfully complete a criminal background check and pre-hire drug screen as a condition of employment

Skills and Knowledge:

• Strong analytical and problem-solving skills with superb attention to detail
• Proficiency in Microsoft Office suite (Excel, PowerPoint, Word); experience with data analysis tools (e.g., Power BI) is a plus
• Strong communication and presentation skills, both written and verbal
• Proactive and self-motivated; able to work independently and manage multiple tasks effectively
• Interest in pursuing CPA or CIA strongly desired

Pay Range:

22.91 - 28.00

We offer a comprehensive benefits package that may include medical, dental, vision, 401k matching, and more!

Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.

We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to careers@marmon.com, and please be sure to include the title and the location of the position for which you are applying.