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# Embedded Software Engineer - Pewaukee/Milwaukee, Wisconsin

- **Company:** Delta Electronics (Americas)
- **Location:** Pewaukee, WI, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Audit Trail, Unit Testing, Microsoft Azure, C++ (Programming Language), Static Program Analysis, Cyber Security, Computer Engineering, Linux, DevOps, Embedded Software, FreeRTOS, Github, Key Management, MISRA C (C Programming Language), Modbus, Real-Time Operating Systems, OPC Unified Architecture, Transmission Control Protocol (TCP), Multithreading, Git, Yocto, Information Technology, Build Tools, U-Boot, Docker
- **Published:** September 2, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=1e982b304539a309

## About the Role

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

## Description

Build and maintain the embedded software stack for the Delta Unit Controller, the skid-level brain that coordinates PCS, BMS, and HVAC and exposes a clean interface to the upstream RT and SCADA. You will lead the platform of the developed code base onto Delta US hardware, set up modern CI/CD on Azure DevOps, and deliver IEEE 1547-2018 / UL 1741-SB compliant firmware., * 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


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