SCADA and OT Systems Engineer London £50-55 an hour Outside IR35 Essential Skillset: Experienced in SCADA, OT controls and utility-scale infrastructure projects including BESS, substations and renewable energy systems. Strong knowledge of PLCs, RTUs, industrial networking and communication protocols including Modbus, DNP3 and IEC 61850. Able to read and interpret electrical schematics, control drawings, network architectures and system layouts to support commissioning and integration activities. Skilled in fault finding, testing, commissioning support and QA documentation within HV and critical infrastructure environments. TPBN1_UKTJ