Senior Embedded Software Engineer - Energy Systems

Delta Electronics Americas; Morrisville (NC); On-site; USD 120,000 - 170,000; Full time

Job summary

Delta Electronics Americas seeks an experienced embedded software engineer to build and maintain the Unit Controller stack, coordinating PCS, BMS, and HVAC interfaces on Delta US hardware. You will set up CI/CD on Azure DevOps and deliver firmware compliant with IEEE 1547-2018 and UL 1741-SB.

Responsibilities include re-platforming the Taiwan code base for US standards, implementing Modbus TCP/RTU, IEC 61850, DNP3, OPC UA, and CAN, and ensuring secure boot and signed updates with HIL testing.

Qualifications

• BS/MS in Computer Engineering, Electrical Engineering, or Computer Science; 5+ years in embedded software for industrial / energy systems.
• Expert in C/C++ on Linux and/or RTOS; multithreading, real-time scheduling, IPC, and deterministic networking.
• Industrial protocol experience: Modbus TCP, IEC 61850 (MMS/GOOSE client), DNP3, OPC UA, CAN.
• Modern DevOps: Git, Azure DevOps or GitHub Actions, Docker, Yocto build systems, hardware-in the-loop test rigs.
• Cybersecurity fundamentals: secure boot, TLS/mTLS, signed updates, key management.

Responsibilities

• Develop firmware/middleware for the Unit Controller in C/C++ (and Rust where appropriate) on Linux / RTOS targets (Yocto, FreeRTOS, Zephyr)
• Receive and re-platform the existing Taiwan Unit Controller code base; refactor for US PCS/BESS vendors and US standards
• Implement Modbus TCP/RTU, IEC 61850 (client), CAN, and OPC UA stacks; integrate with PCS, BMS, HVAC, and meters
• Stand up CI/CD pipelines on Azure DevOps with self-hosted build agents, automated unit tests, static analysis (MISRA, Coverity), and HIL-in-the-loop gates
• Implement secure boot, signed OTA updates, role-based access, audit logging — aligned to IEC 62443-4-1/-4-2 and NERC CIP where applicable

Skills

C/C++ on Linux/RTOS

Multithreading

Real-time scheduling

IPC

Deterministic networking

Modbus TCP

IEC 61850

DNP3

OPC UA

CAN

DevOps

Git

Azure DevOps

GitHub Actions

Docker

Yocto

HIL testing

Secure boot

Education

BS in Computer/Electrical Engineering or Computer Science

MS preferred

Tools

Git

Azure DevOps

GitHub Actions

Docker

Yocto

Job description

Delta Electronics Americas seeks an experienced embedded software engineer to build and maintain the Unit Controller stack, coordinating PCS, BMS, and HVAC interfaces on Delta US hardware. You will set up CI/CD on Azure DevOps and deliver firmware compliant with IEEE 1547-2018 and UL 1741-SB.

Responsibilities include re-platforming the Taiwan code base for US standards, implementing Modbus TCP/RTU, IEC 61850, DNP3, OPC UA, and CAN, and ensuring secure boot and signed updates with HIL testing.