4 days ago
Zagreb, CroatiaSenior
Responsibilities
- Develop, debug, and optimize embedded C firmware for battery-management functions on DSP- and MCU-based Single Phase UPS platforms.
- Implement and calibrate battery state-of-charge, capacity, remaining-runtime, health-diagnostic, self-test, weak-battery detection, charging, protection, and operating-limit algorithms.
- Integrate lithium-ion Battery Management Systems, including status, charge/discharge permissions, operating limits, communication faults, and safety interlocks.
- Support internal batteries, external battery cabinets, and modular battery strings, including capacity, availability, and runtime changes.
- Create and calibrate offline battery models and simulations using MATLAB/Simulink, Python, or equivalent tools.
- Validate algorithms through real-time Hardware-in-the-Loop and laboratory tests covering charging, discharging, load changes, aging, temperature, and fault conditions.
- Perform hands-on battery and embedded-hardware testing, measurements, troubleshooting, and correlation of predictions with actual behavior.
- Collaborate with charger, power-conversion, hardware, firmware, and systems engineers on battery operation, UPS transitions, fault handling, and safe integration.
- Document algorithm assumptions, behavior, calibration, and test results, and support design reviews, product development, and sustaining investigations.
Requirements
- Master's degree in Electrical Engineering, Electronics, Control Systems, or a related field preferred; a bachelor's degree with strong relevant experience will be considered.
- At least 5 years of hands-on embedded firmware or embedded controls development, including practical battery-related work.
- Strong embedded C programming skills and experience implementing algorithms on microcontrollers or DSPs; C++ is a plus.
- Practical knowledge of battery behavior during charging and discharging, including load, temperature, capacity, and aging effects.
- Experience implementing or improving battery firmware for state estimation, runtime prediction, charge management, battery testing, protection, or diagnostics.
- Working knowledge of VRLA or lithium-ion battery systems.
- Ability to use measured voltage, current, and temperature data to develop, debug, calibrate, and validate battery algorithms.
- Experience with offline modeling or simulation using MATLAB/Simulink, Python, or similar tools, plus real-time HIL or comparable system-level validation.
- Hands-on laboratory experience with embedded hardware, batteries, measurement instruments, troubleshooting, and test-data analysis.
- Preferred experience includes UPS battery operation, VRLA health assessment, lithium-ion BMS integration, CAN or other communication protocols, battery modeling and state-estimation methods, real-time HIL tools, modular or hot-swappable battery systems, TI C2000, STM32, NXP, MATLAB, or Python.
About Vertiv
Vertiv builds power, cooling, and IT infrastructure for data centers, communication networks, and industrial facilities, sold as hardware, software, and services. Its portfolio spans UPS systems, thermal management, racks, prefabricated modules, and monitoring/management software, backed by global field service and commissioning. Headquartered in Columbus, Ohio, Vertiv was formed from Emerson Network Power and became a publicly traded company on the NYSE.