Embedded Diagnostics Engineer for Heavy-Duty Vehicle Systems

Snap-On Tools; Rochester Hills (MI); On-site; USD 95,000 - 135,000; Full time

Job summary

Snap-on Business Solutions in Rochester Hills, MI, is seeking a Sr. Design Engineer to lead development of diagnostic solutions across embedded, PC, and mobile platforms for heavy‑duty vehicles.

The role requires hands-on expertise in embedded software, vehicle communications, and system integration, along with technical leadership across cross‑functional teams to deliver secure, high‑quality products.

Qualifications

• Bachelor’s or Master’s in Electrical Engineering, Computer Engineering, Computer Science.
• 3–5 years of experience in embedded systems, diagnostics, or automotive/heavy-duty software development.
• Strong object-oriented development, preferably in C++.
• Multithreaded software design and development.
• Development of API drivers and communication layers on PC platforms using C, C++, or .NET.
• Strong understanding of CAN, CAN FD, ISO 15765-2, UDS, J1939, and DoIP.
• Working knowledge of TCP/IP networking, secure communications such as TLS, VPN, and IPsec, and diagnostic tools such as Wireshark.
• Experience with low-level PC drivers such as USB or NDIS and integration of third-party SDKs.
• Strong experience with modern software development environments, preferably Visual Studio 2022.
• Familiarity with Agile, CI/CD, and version control (Git).

Responsibilities

• Lead development of driver, firmware, and application software for vehicle communication devices supporting heavy‑duty diagnostic protocols such as CAN/J1939, ISO 15765-2, J1708/J1587, UDS, and ISO 22900.
• Define requirements, system architecture, and integration strategies across software and hardware platforms.
• Develop and enhance API drivers aligned to industry standards such as RP1210, RP1227, and J2534.
• Ensure compliance with cybersecurity, safety, and regulatory requirements.
• Collaborate with OEMs, fleets, suppliers, and internal engineering teams to deliver robust, secure, and high‑performing diagnostic solutions.
• Provide technical leadership during development, testing, and customer deployments by driving issue resolution and integration readiness.
• Contribute to certification and compliance documentation.

Skills

Embedded Systems

C++

Multithreading

Vehicle Communications

API Drivers

TCP/IP Networking

Secure Communications

Education

Bachelor’s or Master’s in Electrical/Computer Engineering or Computer Science

Tools

Visual Studio 2022

Git

CI/CD

USB/NDIS drivers

Job description

Snap-on Business Solutions in Rochester Hills, MI, is seeking a Sr. Design Engineer to lead development of diagnostic solutions across embedded, PC, and mobile platforms for heavy‑duty vehicles.

The role requires hands-on expertise in embedded software, vehicle communications, and system integration, along with technical leadership across cross‑functional teams to deliver secure, high‑quality products.