PLC Programmer (CODESYS) Salary: £45,000 - £55,000 + Benefits Sector: Renewable Energy / Solar Energy Storage Solutions Are you a skilled PLC Programmer with experience in CODESYS who's passionate about renewable energy and smart control systems? Join a Sheffield-based innovator in solar energy storage solutions and play a key role in developing next-generation control systems that support the UK's transition to clean energy. The Role As a PLC Programmer, you'll design, develop, and enhance control applications for our cutting-edge solar storage and automation systems. You'll spend 2 days a week onsite in Sheffield collaborating with our engineering team, and 3 days working remotely to focus on development and testing. Key Responsibilities Design, develop, and test PLC-based control applications using CODESYS (IEC (phone number removed): ST, FBD, SFC, LD) Implement and debug logic for real-time systems, control panels, and industrial automation networks Translate functional specifications into scalable and maintainable control logic, with a focus on safety and reliability Integrate third-party hardware and communication protocols (Modbus TCP/RTU, CANopen, OPC UA, Ethernet/IP) Support Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), and commissioning activities Maintain technical documentation, version control, and configuration backups to internal quality standards Troubleshoot ...