I am in the same boat of confusion, I am writing my duties here, if anyone can help me to confirm if you feel they are matching 70% to 80% of 21310 .
Here are my duties.
On-site design reviews, meeting with customers and their employees to support installation and operational training for customers.
Electrical Computer-Aided Design (creating electrical schematics) and reports.
Develop, create, and keep current all electrical documentation, including BOM generation, ordering, and standard operating procedure for customers.
Design and inspect the assembly of electrical equipment to ensure the functionality of the control system.
Assembly of electrical control systems, including wiring, installation and testing of various systems.
Automation projects, concepts, support, and development.
PLC/HMI (Siemens, Rockwell Automation, Omron, and Schneider) programming and modifications of programs and devices.
Customer service calls (troubleshooting).
Here is description on esdc website.
This group performs some or all of the following duties:
Conduct research into the feasibility, design, operation and performance of electrical generation and distribution networks, electrical machinery and components and electronic communications, instrumentation and control systems, equipment, and components
Prepare material cost and timing estimates, reports and design specifications for electrical and electronic systems and equipment
Design electrical and electronic circuits, components, systems and equipment
Conduct micro or nanodevices simulations, characterization, process modeling and integration in the development of new electronic devices and products
Supervise and inspect the installation, modification, testing and operation of electrical and electronic systems and equipment
Develop maintenance and operating standards for electrical and electronic systems and equipment
Investigate electrical or electronic failures
Prepare contract documents and evaluate tenders for construction or maintenance
Supervise technicians, technologists, programmers, analysts and other engineers.