PLC Programmer/SCADA Subject Matter Expert

Delan Associates, Inc.; United States; Remote; USD 110,000 - 180,000; Full time

Job summary

Delan Associates, Inc. seeks an experienced PLC Programmer SME to support battery energy storage and renewable energy projects.

This remote role includes frequent travel to client sites and focuses on commissioning, testing, and operational excellence of complex control systems. You will lead Schneider M340/M580 programming, Modbus communications, Ignition HMI integration, FAT/SAT, and development of reusable PLC libraries.

Qualifications

• Bachelor’s degree in electrical engineering or related field.
• 5+ years of PLC programming experience, preferably Schneider Electric platforms.
• Expert knowledge of Modbus, DNP3, and industrial protocols.
• Experience with Ignition SCADA platform and HMI development.
• Familiarity with grid interconnection requirements and utility standards.
• Experience with FAT/SAT testing procedures and commissioning protocols.

Responsibilities

• PLC programming & development for utility-scale projects.
• Develop, modify, and optimize control logic for BESS and solar projects.
• Create and maintain PLC libraries and templates.
• Configure Modbus communications between PLCs, inverters, and SCADA.
• Integrate PLCs with Ignition HMI platforms and historian systems.
• Lead FAT and SAT procedures; support commissioning on-site.

Skills

PLC programming

Schneider M340/M580

SCADA integration

Modbus/DNP3 protocols

Ignition HMI

Education

Bachelor’s degree in electrical engineering or related field

Tools

Ignition SCADA

Job description

Location: Remote with frequent trips. Position: Client is seeking an experienced PLC Programmer SCADA Subject Matter Expert (SME) to support our rapidly expanding Battery Energy Storage System (BESS) and renewable energy portfolio. This role will provide expert-level PLC programming and SCADA integration support for utility-scale projects, ensuring seamless commissioning and operational excellence.

Key Responsibilities

• PLC Programming & Development
• Expert-level PLC programming for BESS and solar projects using Schneider M340/M580 platforms
• Develop, modify, and optimize control logic for utility-scale energy storage systems
• Create and maintain standardized PLC code libraries and templates
• Implement advanced control algorithms for hybrid PV-BESS operations
• SCADA Integration & Communications
• Configure and troubleshoot Modbus communications between PLCs, inverters, and SCADA systems
• Integrate PLCs with Ignition HMI platforms and historian systems
• Establish robust communication protocols for real-time monitoring and control
• Support OPC server configuration and data exchange protocols
• Testing & Commissioning Support
• Lead Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) procedures
• Perform comprehensive PLC code validation and system integration testing
• Support commissioning teams with on-site troubleshooting and system optimization
• Execute Power Purchase Agreement (PPA) and Large Generator Interconnection Agreement (LGIA) testing requirements
• Technical Leadership & Collaboration
• Serve as technical SME for PLC programming standards and best practices
• Coordinate with SCADA leads, project managers, and vendor teams
• Provide technical guidance for control system architecture decisions
• Documentation & Standards
• Develop and maintain PLC programming documentation and procedures
• Create detailed Functional Requirements Documents (FRDs) for control systems
• Establish coding standards and version control protocols
• Support regulatory compliance documentation (NERC CIP, cybersecurity

Preferred Qualifications

• Bachelor’s degree in electrical engineering, Computer Engineering, or related field
• 5+ years of experience in PLC programming, preferably Schneider Electric platforms
• Expert knowledge of Modbus, DNP3, and industrial communication protocols
• Experience with Ignition SCADA platform and HMI development
• Strong understanding of power systems and utility-scale energy project
• Proven experience in utility-scale renewable energy or power generation projects
• Knowledge of BESS control systems, inverters, and energy storage technologies
• Familiarity with grid interconnection requirements and utility standards
• Experience with FAT/SAT testing procedures and commissioning protocols
• Full accountability for PPA, LGIA, and OEM testing completion
• Ability to travel up to 25% for project commissioning support
• Strong analytical and troubleshooting skills
• Excellent communication and documentation abilities
• NERC CIP cybersecurity awareness preferred

Physical Requirements / Working Environment

• Ability to lift up to 20 pounds frequently on a daily basis.
• Standing on feet for extended periods of time.
• Ability to work at desk position in front of a computer monitor for extensive periods of time.
• Ability to operate a motor vehicle for purposes of commuting between 2 working locations.
• Ability to travel as required.