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# Controls/Firmware Engineer

- **Company:** magniX USA Inc
- **Location:** Everett, WA, United States
- **Experience:** Expert
- **Salary:** $120,000.0 - $165,000.0
- **Contract:** Permanent contract
- **Skills:** C++ (Programming Language), CAN Bus, Communications Protocols, Computer Engineering, Data Centers, Embedded C, Firmware, IT Management, Modbus, Simple Network Management Protocols, System-level Testing, Information Technology
- **Published:** August 4, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=0da801cb54183d21

## About the Role

* Bachelors' Electrical Engineering, Computer Engineering, or related field
 * 5+ years in embedded controls or firmware for power systems.
 * Experience with real-time control of power converters or battery management systems.
 * Proficiency in embedded C/C++ and familiarity with common industrial communication protocols (CANbus, Modbus, or similar).

Preferred Qualifications:

 * Experience with datacenter power/IT protocols (PMBus, Redfish, SNMP).
 * Background in aerospace or automotive controls, adaptable to stationary/industrial applications.
 * Experience with functional safety practices (e.g., IEC 61508, ISO 26262) as applied to power systems.

Location: Applicants must be willing and able to commute to magniX's location in Everett, Washington.

## Description

About the role: magniX is building a small, cross-functional team to develop a new 800V battery-based power supply and backup system for datacenter compute racks, drawing on the company's deep bench of electric propulsion battery and power electronics expertise. The Controls/Firmware Engineer develops the architecture that ties the battery management system, power converter, and datacenter rack power management together. They will design charge/discharge control algorithms, fault handling logic, and the communication layer connecting the power system to datacenter IT infrastructure., * Design and implement control algorithms for battery charge/discharge management, converter operation, and mode transitions (grid-tied, UPS/backup, islanded).

 * Develop fault detection, protection, and graceful-degradation logic across the battery, converter, and rack interface.
 * Implement communication protocols to interface with datacenter power and IT management systems (e.g., Modbus, CANbus, PMBus, Redfish).
 * Collaborate with the Power Electronics and Battery Systems Engineers to define control interfaces and timing requirements.
 * Support hardware-in-the-loop and system-level test activities.


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