Controls Engineer III

Array Technologies•Chandler, AZ

About The Position

The Controls Engineer III reports to the Director of Controls Engineering and is responsible for the design, development, testing, and optimization of control systems for solar tracker products. This role contributes to the development of embedded firmware, Linux-based applications, and hardware integration efforts while supporting system architecture initiatives. The successful candidate will develop new features, improve existing products, support field investigations, and contribute to the reliability, scalability, and maintainability of Array's control systems.

Requirements

Bachelor’s degree in Electrical Engineering, Computer Engineering, or related field.
5+ years of relevant industry experience.
Strong experience with embedded systems and microcontrollers such as STM32, Atmel, or similar platforms.
Advanced proficiency in C/C++ programming.
Strong understanding of microcontroller peripherals including ADC, PWM, DMA, SPI, UART, CAN, and I2C.
Experience with real-time operating systems such as FreeRTOS, or bare silicon.
Experience designing, debugging, and testing embedded firmware for industrial or electromechanical systems.
Experience with custom electronics development and industrial product design.
Experience developing software in Linux environments with proficiency in Python.
Understanding of communication protocols including Modbus, OPC UA, Zigbee, or similar industrial communication standards.
Familiarity with modern AI-assisted software development tools such as ChatGPT, GitHub Copilot, Cursor, Claude, or similar platforms.
Proven ability to lead technical projects and collaborate effectively across cross-functional teams.
Strong problem-solving, troubleshooting, and decision-making skills.

Nice To Haves

A Master's degree may reduce experience requirements.
Experience with data analysis and relational databases preferred.
Experience with PLC programming, ladder logic, and industrial automation systems preferred.
Experience with SCADA systems, renewable energy systems, or the solar industry preferred.

Responsibilities

Design, develop, and maintain embedded software for microcontroller-based control systems using C/C++.
Contribute to the development and implementation of control system architectures under the guidance of senior engineering staff.
Support integration of controllers, motor drivers, wireless modules, encoders, sensors, and safety components into complete control systems.
Develop and maintain Linux-based applications and utilities using Python.
Support debugging, testing, and root cause analysis of field and laboratory issues.
Participate in system validation, field testing, and product deployment activities.
Contribute to continuous improvement efforts focused on reliability, manufacturability, performance, and cost optimization.
Collaborate with Product Management, Program Management, and cross-functional engineering teams to support project execution.
Participate in design reviews, code reviews, and engineering best practices initiatives.
Mentor junior engineers and provide technical support within the Controls Engineering team.
Communicate technical status, risks, and decisions to leadership.
Familiarity with modern AI-assisted software development tools such as ChatGPT, GitHub Copilot, Cursor, Claude, or similar platforms.