Embedded Software Engineer

Electric Research and Manufacturing Cooperative, Inc. (ERMCO) is the leading manufacturer of distribution transformers and engineered electrical solutions, serving electric utilities, Original Equipment Manufacturers (OEMs), and industrial customers across North America. Headquartered in Dyersburg, Tenn., ERMCO delivers reliable, high-quality products that power homes, businesses, and communities across North America.

With commitments to safety, operational excellence, and continuous improvement, ERMCO is at the forefront of supporting grid modernization and energy transition. Our vertically integrated operations, customer-focused culture, and investment in people and technology make ERMCO the Most Valued Partner for delivering resilient, sustainable power infrastructure for the future.

About Grid Bridge

Grid Bridge is transforming power delivery for critical applications by combining advanced hardware with embedded software that enables distributed energy resources, enhances grid reliability, and improves efficiency. Founded in 2012, Grid Bridge has secured contracts with major customers and federal agencies including the NSF, DOE, and NASA. Now a wholly owned subsidiary of ERMCO, we operate with the agility of a startup and the backing of an industry leader.

Job Summary

We are seeking an Embedded Software Engineer with 2-5 years of experience to join the Embedded Software team in the design, implementation, and support of Grid Bridge products. This role spans bare ‑ metal STM
32 microcontrollers and embedded Linux platforms using Yocto on i.MX8. The position is hands ‑ on and hardware ‑ adjacent, working closely with power electronics, controls, and systems engineers.

This role will be onsite in Raleigh, NC. Relocation Assistance is available.

Responsibilities

• Design, develop, and maintain embedded software across STM
  32 and i.MX8 platforms
• Develop bare ‑ metal firmware on STM
  32 (control logic, state machines, diagnostics)
• Develop embedded Linux software using Yocto on i.MX8
• Implement user ‑ space applications and services in C/C++
• Implement CAN ‑ based inter ‑ processor and inter ‑ board communication
• Implement MQTT ‑ based system and supervisory communications
• Support board bring ‑ up, debugging, and system validation
• Participate in Git ‑ based workflows and code reviews
• Support manufacturing diagnostics and built ‑ in tests
• Produce technical documentation and interface definitions

Qualifications

Required Skills

• Proficiency in C and/or C++
• Experience with STM
  32 microcontroller development
• Experience with embedded Linux systems and Yocto
• Familiarity with CAN communication
• Experience debugging on real hardware
• Experience with Git and collaborative development

Preferred Skills

• Experience with i.MX8 or similar ARM So Cs
• Familiarity with device trees and boot configuration
• Experience using MQTT
• Background in power electronics or energy systems
• Exposure to manufacturing, validation, or field deployments

Experience

• 2-5 years of applicable embedded software development experience. Experience in utility, energy, or industrial products is a plus.

Education

• Bachelor’s degree in Computer Engineering, Electrical Engineering, Computer Science, or a related field.