CMS Controls Engineer

Role Overview

• Develop and implement IEC 61131-3 structured text control logic including thermal management and safety logic.
• Design and implement TCP/Modbus, RTU/Modbus, TCP/OPC-UA, and/or IEC61850 server/clients within the CMS logic to monitor hardware, apply power/thermal/safety algorithm logic, and provide metrics to the SCADA platform.
• Interpret and refine product and project requirements and design, engineer, and materialize them in the CMS platform.
• Develop and maintain design, solution, and component specifications that are part of the CMS platform.
• Contribute to Commissioning operations efforts including power dispatch, troubleshooting discrete HW issues, and coordinating with onsite commissioning personnel.
• Support in the resolution of installation, commissioning, and operational issues.
• Participate in EMS Rack and Network Junction Box config functional Checksheets during commissioning.
• Review/coordinate design and other technical information from OEM suppliers and contractors.
• Maintain knowledge of applicable codes, standards, certifications, and applications in the Energy Storage industry.
• Assist the Operations Team in controls related issues that arise.
• Work closely with Software Engineering on the interface to Container management software application.

Requirements

• Knowledge

o Protocol working knowledge in RTU/Modbus, TCP/modbus, OPC-UA, MQTT-SpB, P2P, SEL FMP, DNP3.0, and/or IEC61850 Goose Message (MMS).

o IEC 61131 PLC structured text (ST) programming language.

o String Controllers, Battery Pack Controllers, HVAC Controllers, Liquid Chiller Controllers, Digital IO modules, UPS controllers, and Gas sensors.

o Working understanding of battery systems, inverters, controllers/SCADA, transformers, and general power flow concepts.

o Digital Fault Recorders and PMU Channel streams with a Power System Dynamics understanding.

o Experience with ESS Container Management Systems, Battery Management Systems, and/or SCADA design/implementation including communication network architecture, protocols, and cyber security requirements for industrial control systems.

• Skills

o Proficient with plcNEXT (preferred), AcSELerator RTAC, or other IEC61131 IDEs.

o Proficient with Modbus and OPC-UA.

o Proficient with power system drawings and circuit fundamentals.

o Proficient in MS Office Excel, Windows RDP, Citrix, Azure Cloud.

o Basic / Foundational experience with SCADA HMI user experience.

o Basic / Foundational experience with Python 3+ scripting.

o Basic / Foundational experience with Layer 2 & 3 managed network switches, firewall policies and routing configuration, network subnets, VLAN Tagging, & Fiber network technology is a plus.

• Abilities

o Able to define problems, collect data, establish facts, and draw valid conclusions. Able to interpret an extensive variety of technical instructions, read and understand network, mechanical and electrical drawings.

o Communicate effectively with staff and management at all levels.

o Always maintain the highest degree of honesty and integrity.

o Lead proactive team efforts to achieve departmental and company goals.

o Ability to work under pressure and adapt to changing requirements with a positive attitude.

o Protect confidential information by not communicating, disclosing to, or using it for benefit of 3rd parties. Intellectual Property protection of the EMS Platform is of utmost importance.

o Comply with all EHS policies, practices and procedures reporting all unsafe activities to Management and/or Human Resources.

o Work in the global environment to maintain standards and latest practices.

o Ability to work closely with and influence cross-functional teams.

o Self-directed project management skills to lead initiatives to completion.

o Highly competitive, self-starter that can work both individually and in a group setting.

o Ability to work flexible hours and be independent in the field, travel is 30%.

Tech Stack

• Azure
• Citrix
• Cloud
• Cyber Security
• Python