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Engineer Intern - Software (Summer 2027)

Oshkosh Corporation · Greenville, WI · $18.00–$37.00 an hour · Part time

Posted Aug 31, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a C++ project you've written. How did you structure it?

What they are checking: Whether they have hands-on C++ experience and think about object-oriented design.

Tell me about a bug that took you a long time to find. How did you finally find it?

What they are checking: Whether they debug persistently with a method rather than random changes.

Why are you interested in software for fire trucks?

What they are checking: Whether they connect their skills to a product that people depend on in emergencies.

What would you do

A truck in the shop has a control issue and you're asked to help troubleshoot. Where do you start?

What they are checking: Whether they can approach field troubleshooting calmly and systematically.

You get a code review with many comments. How do you respond?

What they are checking: Whether they take feedback openly and learn from it.

About the work

What makes code maintainable for someone else who picks it up later?

What they are checking: Whether they value clear naming, small functions, tests and comments, as the posting stresses.

What's different about writing software that controls a vehicle compared to a regular desktop app?

What they are checking: Whether they appreciate safety, timing and hardware constraints in vehicle control software.

How would you test a piece of code that controls an output like turning on a warning light?

What they are checking: Whether they think about unit tests, edge cases and testing on real or simulated hardware.

Explain the difference between a pointer and a reference in C++.

What they are checking: Whether they have solid C++ fundamentals needed for embedded work.

What do you know about how vehicle systems communicate, like CAN?

What they are checking: Whether they have exposure to the networks vehicle control software uses.

Practice this interview out loud.

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The full job description

As published by Oshkosh Corporation.

About Pierce, an Oshkosh company At Pierce Manufacturing, we build trucks that protect people and communities around the world. To our team, there is no room for anything less than providing the absolute best. Since 1913, building truck bodies on Model T Ford chassis in an old converted church has evolved to creating highly customized, carefully designed and engineering pumpers, aerials, tankers and rescue units that have no equal. Today, you'll find more than 30,000 Pierce apparatuses on the road that are making a difference in people's lives, every day. To us, every step in the process of building our trucks is personal. From innovation and expertise, to the customization and service. Our trucks are designed to perform under the toughest conditions. SUMMARY The Software Engineer Intern will provide support for the Software Engineering team. Activities will include designing reliable, functional, and cost-effective vehicle control software; develop and test programming for vehicles and systems; support various systems through troubleshooting or reprogramming the system. This role will work on a variety of key projects and initiatives ranging from simple tasks to more complex analytical projects. YOUR IMPACT These duties are not meant to be all-inclusive and other duties may be assigned: • Write quality, maintainable, object-oriented C++ software. • Develop and maintain PC programs used for the configuration of truck specific programming. • Identify and control vehicle operation and maintenance risks. • Prepare and maintain the software documentation necessary to support the configuration of truck specific programming. • Test truck specific programming to ensure the programming operates as specified. • Participate in peer reviews and other engineering activities. MINIMUM QUALIFICATIONS • Student working toward a Bachelor’s degree in Computer Science, Software Engineering, or related field. • Strong academic record, GPA 3.0. • Ability to maintain confidentiality of various degrees of information. STANDOUT QUALIFICATIONS • Experience with C or C++ programming or similar programming language. • Experience writing embedded applications on microcontrollers. • Experience working with Controller Area Network (CAN) and the J1939 protocol. • Strong verbal and written communication skills. • Proficiency with various web-based software applications including Microsoft Office Word, Excel, PowerPoint, SharePoint, etc. • Detail oriented and quality focused. • Ability to work independently while prioritizing workload. • Flexible and adaptable to working under tight deadlines and/or changing needs. Pay Range: $18.00 - $37.00 The above pay range reflects the minimum and maximum target pay for the position across all U.S. locations. Within this range, individual pay is determined by various factors, including the scope and responsibilities of the role, the candidate's experience, education and skills, as well as the equity of pay among team members in similar positions. Beyond offering a competitive total rewards package, we prioritize a people-first culture and offer various opportunities to support team member growth and success. Oshkosh is committed to working with and offering reasonable accommodation to job applicants with disabilities. If you need assistance or an accommodation due to disability for any part of the employment process, please contact us at corporatetalentacquisition@oshkoshcorp.com. Oshkosh Corporation is a merit-based Equal Opportunity Employer. Job opportunities are open for application to all qualified individuals and selection decisions are made without regard to race, color, religion, sex, national origin, age, disability, veteran status, or other protected characteristic. To the extent that information is provided or collected regarding categories as provided by law it will in no way affect the decision regarding an employment application. Oshkosh Corporation will not discharge or in any manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with Oshkosh Corporation's legal duty to furnish information. Certain positions with Oshkosh Corporation require access to controlled goods and technologies subject to the International Traffic in Arms Regulations or the Export Administration Regulations. Applicants for these positions may need to be "U.S. Persons," as defined in these regulations. Generally, a "U.S. Person" is a U.S. citizen, lawful permanent resident, or an individual who has been admitted as a refugee or granted asylum.

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