Sr. Design Engineer-EMBEDDED SOFTWARE

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

Overview

Snap-on Business Solutions

Position: Sr. Design Engineer – PC, Mobile & Embedded Diagnostics for Heavy Duty Vehicles

Location: Rochester Hills, MI

Work: Monday-Friday; 8a-5p; On Facility Site

We 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).