Senior Embedded Systems Engineer (Wireless, IoT & Field Diagnostics) at 1872 Consulting in Ripon, WI

Job description

• Senior Embedded Systems Engineer (Wireless, IoT & Field Diagnostics)
• Ripon, WI | Onsite | Full-Time | Up to 25% travel
• $110,000-$135,000 base + sign-on bonus + benefits + relocation assistance
• Must be authorized to work in the U.S. without current or future visa sponsorship
• As Senior Embedded Systems Engineer, you'll be the resident expert for wireless connectivity and payment integration across a massive connected fleet, serving as the bridge between the hardware and digital product teams. You'll own the hardest problems in Wi-Fi, Bluetooth, kiosk, and edge-to-cloud communications, from in-house project work to occasional customer-site deployments to capture debug data on intermittent field issues. Your findings will directly drive production firmware fixes, and you'll be the go-to mentor as the team grows.

Responsibilities

• Serve as the resident expert for wireless connectivity and payment integration across a massive connected fleet
• Bridge between hardware and digital product teams
• Own the hardest problems in Wi-Fi, Bluetooth, kiosk, and edge-to-cloud communications
• Work on in-house project work and occasional customer-site deployments to capture debug data on intermittent field issues
• Drive production firmware fixes based on findings
• Serve as go-to mentor as the team grows

Requirements

• BS in Electrical Engineering, Computer Engineering, Computer Science, or related field
• 5+ years of embedded firmware development in C on resource-constrained microcontrollers (ARM Cortex-M, STM32, PIC, Renesas, or similar)
• Hands-on Wi-Fi and Bluetooth/BLE experience in shipped embedded products: integration, debugging, and resolving connectivity and data-integrity issues
• Expert bench debugging: JTAG/SWD, oscilloscopes, logic and protocol analyzers, plus comfort reading schematics and troubleshooting at the circuit level
• Strong command of embedded protocols (CAN, Modbus, UART, SPI, I2C) and IoT/network protocols (MQTT, TCP/IP, TLS, cellular)
• Proven root-cause skills on intermittent, hard-to-reproduce issues, with clear written and verbal communication
• Ability to travel up to 25%, including internationally, with a valid passport (or ability to obtain one)
• Integration of third-party peripherals such as payment kiosks, terminals, or vending systems
• RTOS (FreeRTOS or similar) or bare-metal architectures; RF coexistence experience
• Appliance, consumer/commercial product, or manufacturing background

Skills

Required

• Embedded firmware development in C
• Clear written and verbal communication

Preferred

• RF coexistence experience