Senior or Lead Automation Engineer -Energy Chennai

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Technical leadership and delivery Lead automation strategy, architecture, and design across all phases: early concept, feasibility, Pre‑Front‑End Engineering Design (Pre‑FEED), Front‑End Engineering Design (FEED), detailed FEED, detailed engineering, Factory Acceptance Test (FAT), integrated Factory Acceptance Test (iFAT), Site Acceptance Test (SAT). Produce key specifications and deliverables: User Requirements Specification (URS), Basis of Design (BOD), control philosophy, alarm philosophy aligned to International Society of Automation (ISA) 18.2 and Engineering Equipment and Materials Users Association (EEMUA) 191, Safety Requirements Specification (SRS) for Safety Instrumented Systems (SIS), Functional Design Specification (FDS), Software Design Specification (SDS), Cause and Effect (C&E) matrices, Input/Output (I/O) lists, instrument index, interface specifications, and test plans. Develop SCADA/DCS/PLC architectures, OT network topologies, and cybersecurity controls; define Operational Technology/Information Technology (OT/IT) demarcation and data flows. Guide technology selection with vendor‑agnostic trade‑off analyses; prepare Requests for Quotation (RFQs), conduct technical bid evaluations, and manage vendor clarifications and deviations. Oversee panel and hardware design, I/O allocation, wiring topologies, segregation and Electromagnetic Compatibility (EMC), power and Uninterruptible Power Supply (UPS) sizing, and hazardous area compliance. Multi-system design, interfaces, and integration Fire and Gas System (FGS), Emergency Shutdown (ESD): Fire and Gas mapping, detector layout, voting logic (e.g., one‑out‑of‑two [1oo2], two‑out‑of‑three [2oo3]), shutdown hierarchy, bypass/override management, proof‑testing, and integration with process control and safety systems. Electrical and power: integration of Motor Control Centers (MCCs), Variable Frequency Drives (VFDs), soft starters, generator controls, Automatic Transfer Switches (ATS), switchgear, Direct Current (DC) and UPS systems, Electrical Supervisory Control and Data Acquisition (eSCADA). Power Management System (PMS) and Energy Management System (EMS): load shedding, load sharing, black start, islanding, synchronization, and power quality. Substation Automation System (SAS) and protection: Intelligent Electronic Devices (IEDs) and relays, International Electrotechnical Commission (IEC) 61850 communications (Manufacturing Message Specification [MMS], Generic Object Oriented Substation Event [GOOSE], and Sampled Values [SV]). Smart relays and micro‑PLC devices: local logic, packaged equipment controls, and maintainable documentation. Telecom systems: Public Address and General Alarm (PAGA), Closed‑Circuit Television (CCTV), access control, time services via Network Time Protocol (NTP)/Precision Time Protocol (PTP) with Global Positioning System (GPS) clocks, radio (Ultra High Frequency [UHF]/Very High Frequency [VHF]), microwave, fiber, and enterprise voice (Private Automatic Branch Exchange [PABX]/Internet Protocol [IP] telephony); alignment with Network Management Systems (NMS) and Quality of Service (QoS). Interfaces and protocols: Open Platform Communications Unified Architecture (OPC UA), Message Queuing Telemetry Transport (MQTT), Modbus Transmission Control Protocol (Modbus TCP)/Modbus Remote Terminal Unit (Modbus RTU), EtherNet Industrial Protocol (EtherNet/IP), Process Field Network (PROFINET), Process Field Bus (PROFIBUS), Distributed Network Protocol 3 (DNP3), IEC 60870‑5‑104, IEC 61850. Architecture, redundancy, and safety integrity High‑availability platforms: controller/server redundancy (hot/warm standby), historian clustering, failover Human-Machine Interface (HMI) servers, redundant I/O and storage. Triple Modular Redundant (TMR) and high‑integrity systems: specify, engineer, and test TMR safety platforms and high‑availability DCS/PLC architectures; implement voting logic (e.g., 2oo3, 2oo4). Safety Integrity Level (SIL) engineering: lead SIL determination and verification, design Safety Instrumented Functions (SIFs), calculate Average Probability of Failure on Demand (PFDavg), specify proof‑test intervals, align with IEC 61511/IEC 61508. Network resilience: segmented Virtual Local Area Networks (VLANs), demilitarized zones (DMZs), firewalls, and redundancy using Rapid Spanning Tree Protocol (RSTP), Parallel Redundancy Protocol (PRP), and High‑availability Seamless Redundancy (HSR). Functional safety and cybersecurity Apply IEC 61511/IEC 61508 across the safety lifecycle; lead Hazard and Operability Studies (HAZOP), Hazard Identification (HAZID), Layer of Protection Analysis (LOPA), SIL determination/verification, and SRS development. Implement IEC 62443 cybersecurity controls; conduct risk assessments, zoning, compliance testing, including verification during FAT/iFAT/SAT. Data‑centric and digital delivery (AVEVA Engineering) Deliver projects using AVEVA Engineering for data‑centric execution: class libraries, tag governance,

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