Controls/Electrical Engineer II

Array-Technologies-2; Chandler (AZ); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Competitive compensation

Benefits and wellness programs

Equal employment opportunity

Job summary

Array Tech, Inc. in Chandler, AZ is seeking a Controls Engineer II to develop a new control system product for solar trackers and improve existing software.

You will work with embedded C/C++, Python on Linux, and contribute to hardware, PLC, and field testing. 2+ years of hands-on experience in electrical engineering is expected, with teamwork and ongoing learning.

Some travel may be required to support field testing and customer sites as needed.

Qualifications

• Bachelor’s degree in Electrical Engineering or related field with 2+ years in industry.
• Experience developing embedded software for microcontrollers (STM32/ATMEL) in C/C++.
• Knowledge of RTOS environments (e.g., FreeRTOS) is a plus.
• Experience developing software for Linux environments; Python is a plus.
• Experience with Modbus, OPC-UA, Zigbee, and RESTful API.
• Experience with MySQL and Python data libraries (NumPy/Pandas/Matplotlib).
• Interest in solar industry and SCADA systems.

Responsibilities

• Develop new control system product for solar trackers as part of a team.
• Write real-time OS microcontroller software in C/C++, and Linux software in Python.
• Test and integrate controllers, motor drivers, wireless modules, and safety components.
• Debug PLC software and improve layouts for cost reduction and user experience.
• Collaborate with Product Management and Program Management; participate in field testing.

Skills

Team player

Willingness to learn

Problem solving

Education

Bachelor's degree in Electrical Engineering

Master's degree in Electrical Engineering

Tools

STM32

ATMEL microcontrollers

FreeRTOS

Python

Linux

Modbus

OPC-UA

Zigbee

RESTful API

MySQL

NumPy

Pandas

Matplotlib

Job description

Job Description:Controls Engineer IIJob Summary:The Control Engineer II will work on developing a new control system product for our solar trackers, and work on improving and resolving issues with our existing control system product.Key Job Responsibilities:Work in a team to develop a new control system product for our solar trackers. The specific activities include developing real-time OS microcontroller software in C/C++, developing Linux OS software in Python, developing custom electronics, testing new functional and safety components (controllers, motor drivers, wireless communication modules, circuit breakers, emergency switches, etc.), and integrating the components into a working system.Contribute to issue resolution and continuous improvement of the existing control system product. The specific activities include developing and debugging PLC software, testing alternative functional and safety components, and improving the layout for cost reduction or better customer experience.Follow Array's internal process for new product development and continuous improvement. Work with internal stakeholders (especially Product Management and Program Management) as necessary.Participate in working with third parties such as electronics design houses, contract-based software developers, test labs, and certifiers as necessary.Participate in field inspections and field testing, to validate new products or to troubleshoot issues with existing products. Travel and work in non-office environment as necessary.Report the status of work regularly to the hiring manager.Qualifications:Bachelor’s degree in Electrical Engineering or a related discipline and 2+ years of experience in the industry in a relevant position, OR Master's degree in Electrical Engineering or a related discipline.Experience in developing software for embedded devices (microcontrollers such as STM32 and ATMEL); capability to write clear and structured code in C/C++. Must have a good understanding of microcontroller architectures and peripherals (ADC, PWM, I2C).Knowledge or interest in FreeRTOS or other RTOS environments is a plus.Knowledge of ladder logic programming to support PLC code development is a plus.Experience or interest in custom electronics development. Commercial or industrial product development experience is a plus.Experience or interest in developing software for Linux environment; Knowledge of Python is a plus.Experience or interest in machine-to-machine communication; Experience or knowledge of the following communication protocols is a plus: Modbus (over RS-485 or TCP), OPC-UA, Zigbee, and RESTful API.Experience or interest in data analysis. Experience in working with relational databases (MySQL) and the following Python packages is a plus: numpy, pandas, and matplotlib.Interest in solar industry; Experience with solar SCADA systems is a plus.Willingness to learn and continuously improve one's technical expertise.Willingness to work in a team.The candidate will be subjected to an in-depth technical interview in the interview process. The candidate will be asked to present an engineering portfolio, and the candidate will also be subjected to a C/C++ code test.Bachelor’s degree in Electrical Engineering or a related discipline and 2+ years of experience in the industry in a relevant position, OR Master's degree in Electrical Engineering or a related discipline.Experience in developing software for embedded devices (microcontrollers such as STM32 and ATMEL); capability to write clear and structured code in C/C++. Must have a good understanding of microcontroller architectures and peripherals (ADC, PWM, I2C).Knowledge or interest in FreeRTOS or other RTOS environments is a plus.Knowledge of ladder logic programming to support PLC code development is a plus.Experience or interest in custom electronics development. Commercial or industrial product development experience is a plus.Experience or interest in developing software for Linux environment; Knowledge of Python is a plus.Experience or interest in machine-to-machine communication; Experience or knowledge of the following communication protocols is a plus: Modbus (over RS-485 or TCP), OPC-UA, Zigbee, and RESTful API.Experience or interest in data analysis. Experience in working with relational databases (MySQL) and the following Python packages is a plus: numpy, pandas, and matplotlib.Interest in solar industry; Experience with solar SCADA systems is a plus.Willingness to learn and continuously improve one's technical expertise.Willingness to work in a team.Note: The candidate will be subjected to an in-depth technical interview in the interview process. The candidate will be asked to present an engineering portfolio, and the candidate will also be subjected to a C/C++ code test.At Array Tech, Inc., we strive to lead with our culture, and believe that our people are a key enabler of our future state. Our total rewards philosophy supports Array’s ability to attract, develop, and retain our employees. We offer competitive compensation, benefits and wellness programs that align with the local markets where we do business.Array Tech, Inc. offers equal employment opportunity without regard to race, color, gender, age, creed, sex, religion, national origin, disability (physical or mental), marital status, citizenship, ancestry, sexual orientation, gender identity, and gender expression, or any other legally protected status.#LI-JS1