Sr. Design Engineer-EMBEDDED SOFTWARE

Snapon; Rochester Hills (MI); On-site; USD 90,000 - 130,000; Full time

Job summary

Snap-on in Rochester Hills, MI is seeking a Sr. Design Engineer to lead diagnostic solutions across embedded, PC, and mobile platforms for heavy-duty vehicles. You will define architecture, drive integration, and deliver secure, high-quality products with cross-functional teams.

The role requires hands-on embedded software experience, vehicle communications, and leadership across engineering groups. On-site with standard weekday hours.

Qualifications

• Bachelor's or Master's in Electrical or Computer Engineering, CS or related field.
• 3-5 years in embedded systems, diagnostics, or automotive software.
• Strong C++ with multithreaded design experience.
• Experience developing API drivers and PC software in C/C++/.NET.
• Solid understanding of CAN, CAN FD, ISO 15765-2, UDS, J1939, DoIP.

Responsibilities

• Lead development of driver, firmware, and application software for vehicle devices.
• Define requirements, system architecture, and integration strategies across platforms.
• Develop and enhance API drivers aligned to RP1210, RP1227, and J2534.
• Ensure cybersecurity, safety, and regulatory compliance.
• Collaborate with OEMs, fleets, suppliers, and internal teams to deliver robust solutions.
• Provide technical leadership during development, testing, and deployments.
• Contribute to certification and compliance documentation.

Skills

C++

Multithreaded design

Object-oriented development

TCP/IP networking

Security practices (TLS/VPN/IPsec)

Vehicle communication protocols

Git version control

Agile/CI-CD

Embedded software

Windows PC development

Education

Bachelor's or Master's in Electrical Engineering, Computer Engineering, Computer Science

Tools

Visual Studio 2022

USB/NDIS drivers

RP1210 / RP1227 / J2534 drivers

Wireshark

Job description

Overview Snap-on Business Solutions Position: Sr. Design Engineer - PC, Mobile & Embedded Diagnostics for Heavy Duty VehiclesLocation: Rochester Hills, MIWork: Monday-Friday; 8a-5p; On Facility SiteWe are seeking a technical engineer to lead development of diagnostic solutions across embedded, PC, and mobile platforms in the heavy-duty vehicle diagnostics domain. This role is best suited for someone with strong hands-on experience in embedded software, vehicle communications, and system integration who can also provide technical leadership across cross-functional teams. You will help define architecture, solve complex integration challenges, and deliver secure, high-quality products that support evolving customer and industry requirements.

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.

Qualifications

• Bachelor's or Master's in Electrical Engineering, Computer Engineering, Computer Science, or related field.
• 3-5 years of experience in embedded systems, diagnostics, or automotive/heavy-duty software development.
• Strong technical expertise in the following areas: Object-oriented software 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 vehicle communication protocols such as 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).

Preferred Skills

• Experience developing firmware for vehicle communication interface devices using microcontrollers, CAN transceivers, UARTs, and USB peripherals, preferably on NXP-based platforms.
• Experience debugging firmware on embedded or connected IoT devices.
• Familiarity with PC and mobile application development on Android or iOS that integrates with third-party APIs and device communication layers.
• Exposure to AI-assisted software development or familiarity with large language model-based tooling.
• Linux experience in embedded or device-oriented environments.
• Hands‑on experience with cybersecurity practices in embedded systems.
• Wireless communication experience with Wi‑Fi, Bluetooth Classic SPP, or Bluetooth Low Energy.
• Experience with containerized applications on embedded systems (Docker, Podman).