Firmware Engineer in Prague, Oklahoma at HR Group LLC Companies

Company: MetriCorr US

Job Title: Firmware Engineer – Industrial Monitoring Systems
Department: Engineering / Product Development
Reports To: Engineering Manager or Vice President of Technology
Employment Type: Full-Time, On-Site

Job Summary

We are seeking an experienced Firmware Engineer to design, develop, and maintain embedded firmware for our industrial monitoring systems, with a focus on cathodic protection and corrosion measurement solutions. This is a full-time, on-site role in Oklahoma, U.S., requiring close collaboration with our hardware, software, and manufacturing teams.

The ideal candidate brings proven expertise in embedded systems development, industrial communication protocols, and real-time data processing, and thrives in a fast-paced product development environment.

Key Responsibilities

• Develop and optimize embedded firmware for microcontrollers and processors used in industrial monitoring devices.
• Collaborate with cross-functional engineering teams on-site to define requirements and ensure seamless integration.
• Implement low-level drivers and communication stacks for industrial sensors, actuators, and controllers.
• Work with industrial communication protocols such as Modbus, CAN bus, RS-485, Ethernet/IP, or similar.
• Ensure firmware reliability and robustness through unit testing, integration testing, and system validation.
• Support the full product lifecycle from prototype through production release and field support within the U.S. market.
• Document firmware architecture, design specifications, and testing procedures in clear, professional English.
• Assist with troubleshooting and root cause analysis of field issues related to firmware performance.
• Stay current with both U.S. industry standards and European industry standards, embedded technologies, and best practices.

Qualifications

• Bachelor’s Degree in Electrical Engineering, Computer Engineering, Computer Science, Mechatronics Engineering, Applied Physics and related fields.
• Master of Science in Engineering Technology a plus
• 3–5 years of professional experience in embedded firmware development.
• Strong proficiency in C/C++ for embedded systems.
• Experience with ARM Cortex-M or similar microcontrollers.
• Familiarity with real-time operating systems (RTOS) or bare-metal programming.
• Knowledge of industrial communication protocols (Modbus, CAN bus, RS-485, OPC-UA, or Ethernet/IP).
• Ability to interpret hardware schematics and work with sensors, transducers, and analog/digital interfaces.
• Experience using debugging tools (oscilloscopes, logic analyzers, JTAG) and version control systems (Git).
• Strong problem-solving skills with a focus on reliability and long-term field performance.
• Excellent written and verbal communication skills in English; proficiency in Spanish or Danish is a plus
• Must be legally authorized to work in the U.S. without current or future sponsorship.

Preferred Skills

• Experience developing for low-power, ruggedized devices designed for industrial environments.
• Familiarity with wireless protocols (LoRa, Zigbee, BLE, Wi-Fi) for industrial IoT connectivity.
• Knowledge of cybersecurity practices in embedded/industrial systems.
• Exposure to SCADA systems, data acquisition platforms, or remote monitoring applications.

Experience with Agile development and CI/CD pipelines for embedded