Senior Software Developer Jobs in Appleton, WI (NOW HIRING)

About Oshkosh Defense, an Oshkosh company

Oshkosh Defense stands behind those who dedicate their lives to protecting others. As an industry-leading tactical vehicle manufacturer, every day we strive to meet or exceed our customers' ever-changing needs with next generation defense technologies and advanced systems. We operate with unparalleled commitment to those who depend on our products and services worldwide to perform their missions.

• Develop manual and automated test cases for embedded vehicle control software (e.g., powertrain, braking, steering, body control, and operator interface systems).
• Translate software and system requirements into structured, traceable test scenarios and procedures.
• Develop comprehensive test plans and drive timely execution to meet program timeline/targets
• Create and maintain test scripts and data for Software-in-the-Loop (SIL) and Hardware-in-the-Loop (HIL) testing environments.
• Apply model-based testing techniques using tools such as MATLAB/Simulink, TestStand, dSpace and Jama.

• Support test case execution to validate functionality, performance, and safety-critical behavior of embedded systems.
• Verify communication across CAN, LIN, and Ethernet networks using tools like Vector CANoe, DET, CANalyzer, or ETAS INCA.
• Log, document, and triage software defects, collaborating with developers and system engineers for resolution.
• Conduct regression testing and validation for new software releases and feature updates.

• Develop and maintain test automation frameworks integrated into CI/CD environments (ETM, JAMA).
• Contribute to automated build verification, system simulation, and continuous testing strategies.
• Support HIL infrastructure setup, configuration, and maintenance.

• Develop and manage test plans, results, and traceability in alignment with Oshkosh's quality and functional safety standards.
• Participate in design and code reviews with a focus on testability and verification coverage.
• Review draft requirements and provide test centric feedback ensuring quality V&V efforts downstream
• Ensure proper configuration management and test result archiving.

• Accredited Bachelor's degree in Engineering or related field with five (5) or more years of related experience.

• Master's degree in Electrical Engineering, Computer Engineering, Software Engineering, or related field.
• Experience in testing ICE/EV/HEV software (battery management, power electronics, thermal management)
• Experience with dSpace Synetec test case automation
• 5+ years of experience in software test case development or quality assurance for embedded or automotive systems.
• Experience with vehicle software testing and diagnostic communication protocols (CAN, J1939, UDS).
• Familiarity with HIL/SIL test environments (dSPACE, ETAS, or equivalent)
  Technical Skills:
• Proficiency in scripting/programming (Python, CAPL, C, or MATLAB).
• Experience with test automation frameworks and version control tools (Git).
• Understanding of vehicle electrical architectures, embedded systems, and system integration principles.
  Soft Skills:
• Strong analytical and problem-solving mindset.
• Excellent collaboration and communication across multidisciplinary teams.
• Commitment to product quality, safety, and continuous improvement.
  Performance Metrics:
• Requirement-to-test traceability coverage.
• Automated test execution rate and reliability.
• Timely and effective defect identification and resolution support.
• Contribution to test automation framework improvements.

• 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 significant decisions and final results, typically affecting the entire department. Available guides or precedents are limited. Has authority over the allocation of resources.
• Complexity, Judgment and Problem Solving: Work requires the ability to plan and perform work in light of new or constantly changing problems, work from broad instruction, and deal with complex factors not easily evaluated. Decisions require considerable judgment, initiative and ingenuity in areas there is little precedent.
• Supervisory/Managerial: General instructing, scheduling, and reviewing the work of others performing the same or directly related work. Acts as "lead worker".

• 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.

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Pay Range:

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.