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Principal Software Engineer - Embedded Systems

CrossFire Group

Oshkosh, WI • 10/27/2026

Job Description

Job Description
PRINCIPAL SOFTWARE ENGINEER – EMBEDDED SYSTEMS
Location:Oshkosh, WI | Onsite
Pay Rate:$53.46 per hour
Schedule:Monday–Friday, 40 hours per week | Core hours: 8:00 a.m.–3:00 p.m.
Travel:Approximately 5–10%
Openings: 3 | Seeking candidates available to start ASAP
We’re seeking experienced Software Engineers to design, develop, and integrate embedded software for vehicle applications. This role combines vehicle-level systems design, hands-on software development, advanced controls, and collaboration with engineering teams, suppliers, and customers.
Key Responsibilities
  • Design, implement, and document real-time embedded software using C/C++ and MATLAB-generated code.
  • Develop vehicle-level software designs and provide feedback on system requirements.
  • Lead software implementation and integration for prototype, pilot, and production vehicles.
  • Develop software that meets functionality, memory, performance, and maintainability requirements.
  • Support controls development using MATLAB, Simulink, Stateflow, and related modeling tools.
  • Integrate control strategies into simulation and Hardware-in-the-Loop environments, then support vehicle testing and production implementation.
  • Create and interpret UML software designs.
  • Support verification, validation, configuration management, and CI/CD activities.
  • Research technologies such as RTOS, AUTOSAR, IoT, edge computing, and virtualization.
  • Prepare technical documentation, project estimates, schedules, and proposals.
  • Collaborate with internal teams, suppliers, and customers to resolve technical issues.
  • Mentor junior engineers and contribute to engineering best practices.
  • Follow established software development procedures, including CMMI Level 3 processes.
Minimum Qualifications
  • Accredited bachelor’s degree in engineering or a related field.
  • At least five years of related experience.
Experience That Will Help You Stand Out
  • Degree in Computer Science, Computer Engineering, or Electrical Engineering.
  • Strong embedded C/C++ development and vehicle systems design experience.
  • Automotive or related vehicle engineering experience.
  • Model-based development using MATLAB/Simulink/Stateflow.
  • Experience with real-time operating systems, AUTOSAR, HIL testing, or virtual simulation.
  • Familiarity with JavaScript, JSON, Python, and SQL.
  • Strong customer communication, attention to detail, and ability to work independently.
Additional Details
  • Must meet the client’s U.S. Person eligibility requirement.
  • Onsite work in Oshkosh is required.
  • Occasional overtime or weekend work may be needed.
  • Interview process is expected to include one approximately one-hour, in-person interview.
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