Jobs › Oshkosh Corporation

Engineer Sr - Mechanical

Oshkosh Corporation · Oshkosh, WI · $73,200–$117,800 a year · Full time

Posted Sep 25, 2026 · We last checked this listing on Oct 6, 2026

Apply at Oshkosh Corporation

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

Walk me through a heavy-duty vehicle component you designed. What loads and requirements drove the design?

What they are checking: Whether they can explain design choices tied to real loads, durability and cost.

Tell me about a time a part you designed failed in testing or in the field. What did you do?

What they are checking: Whether they own failures and use root cause analysis to fix them.

What would you do

You're mentoring an entry-level engineer whose drawings keep coming back with errors. How do you help?

What they are checking: Whether they coach patiently with specific feedback, as the posting expects.

You're managing two projects and both need you this week. How do you handle it?

What they are checking: Whether they prioritize and communicate trade-offs instead of quietly missing deadlines.

How do you work with suppliers on a component they'll make for you?

What they are checking: Whether they collaborate on tolerances, processes and cost with outside partners.

About the work

How do you decide when hand calculations are enough and when you need FEA?

What they are checking: Whether they use analysis tools with judgment and can sanity-check results.

How would you design a bracket that sees vibration and shock on a military or vocational truck?

What they are checking: Whether they consider fatigue, welds, material choice and mounting for harsh duty.

How do you design a component that's easy to manufacture and assemble?

What they are checking: Whether they apply DFM and DFA principles and talk with the shop floor.

What do you check when reviewing a drawing for GD&T and tolerance stack-up?

What they are checking: Whether they can catch fit and function problems before parts are made.

How do you keep integration issues from showing up late when your component goes into a full vehicle?

What they are checking: Whether they think about interfaces, packaging and early reviews with other teams.

Practice this interview out loud.

Offer builds a real interview for this exact role at Oshkosh Corporation from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

Practice this out loud

The full job description

As published by Oshkosh Corporation.

At Oshkosh, we build, serve and protect people and communities around the world by designing and manufacturing some of the toughest specialty trucks and access equipment. We employ over 18,000 team members all united by a common purpose. Our engineering and product innovation help keep soldiers and firefighters safe, is critical in building and keeping communities clean and helps people do their jobs every day. The Sr Engineer – Mechanical designs functional, reliable and cost effective, heavy duty vehicle components. Perform engineering analysis and design or re-design, and development of components into existing and new vehicles. Provide integration and execution support for vehicle and component design. YOUR IMPACT: • Under supervision, perform engineering calculations, investigations, and tasks as assigned according to Oshkosh as well as general industry engineering standards and processes. • Support more senior engineers in the preparation of plans, designs, computation methods, and/or reporting. • Responsible for a project or part of a project of limited complexity. • May be responsible for managing multiple projects. • Collaborate as needed with other engineering or business support disciplines internally as well as suppliers externally. • Provide guidance or mentorship to entry level engineers, designers, or technicians working on a common project. • Maintain effective communication with suppliers, internal and external customers, and outside resources concerning technical issues. • Enforce the proper use of engineering criteria and drawing standards. Ensure that technical issues are conducted within the framework of company policies and procedures. • Evaluate designs for performance, safety, and reliability. • Perform and Directs preparation of layouts, drawings, specifications, and bills of material. • Perform engineering analysis to support the selection of parts, components, and materials that meet requirements. • Provide technical assistance for production support. • Analyze and resolve issues reported to Engineering via verbal or written communication. • Prepare technical proposals, quotations, reports, and presentations. • Create and maintain project documentation for analysis, research, and historical records. • Utilize analytical and mathematical approaches to calculate or model system performance and optimize designs. • Analyze and resolve issues reported to Engineering and communicate status via verbal or written communication. • Other duties as assigned. • Regular attendance is required. MINIMUM QUALIFICATIONS: • Accredited Bachelor's degree in Engineering or related field with three (3) or more years of related experience. STANDOUT QUALIFICATIONS: • Accredited Bachelor's degree in Mechanical Engineering. • Mechanical knowledge of automotive or heavy-vehicle equipment and related systems. • Experience with a high level CAD system. CORE COMPETENCIES: • Internal Contacts: Contact with peers and others involving explanation of information (these contacts may be within or outside department or division), and the gathering of factual information; may include the communication of sensitive or confidential information. • External Contacts: Limited external contact to: gather information, answer queries, or ask assistance. • Communication Skills: Read, write and comprehend simple instructions, short correspondence and memos; Read and interpret safety rules, operating/maintenance instructions and procedure manuals; Write routine reports, correspondence and speak effectively before both internal and external groups; Read, analyze and interpret business manuals, technical procedures and/or government regulations: Read, analyze and interpret scientific and technical journals, financial reports and legal documents. • Decision-Making: Regularly makes decisions of responsibility, involving evaluation of information. Decisions may require development or application of alternatives or precedents. • Complexity, Judgment and Problem Solving: Generally diversified and moderately difficult work. Requires judgment in the adaptation and interpretation of established practices and procedures to meet problems and situations to which the application is not clearly defined. • Supervisory/Managerial: General instructing, scheduling, and reviewing the work of others performing the same or directly related work. Acts as “lead worker”. WORKING CONDITIONS: • Physical Demands: Frequent: Standing, Walking/Running, Sitting, Reaching, Hearing, Talking, Visual, Typing; Occasional: Driving, Fine Dexterity, Manual Dexterity; Upper Extremity Repetitive Motion; Seldom: Lifting/Carrying 25lbs., Pushing/Pulling 25llbs. • Non-Physical Demands: Frequent: Analysis/Reasoning, Communication/Interpretation, Math/Mental Computation, Reading, Sustained Mental Activity (i.e. auditing, problem solving, grant writing, composing reports), Writing. • Environmental Demands: Frequent: Work Alone, Frequent Task Changes, Tedious/Exacting Work; Occasional: High Volume Public Contact. • Work Schedule: Routine shift hours. Infrequent overtime, weekend, or shift rotation. • Demands/Deadlines: High volume and variable work demands and deadlines impose strain on routine basis or considerable stress intermittently; OR regular direct contacts with distressed individuals within the immediate work environment; and/or exposure to demands and pressures from persons other than immediate supervisor. Pay Range: $73,200.00 - $117,800.00 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.

Apply at Oshkosh Corporation