Senior EC&I Engineer Template

Job Title: Electrical & Instrumentation (E&I) Design Engineer Industry: Water Supply & Sewerage Infrastructure Department: Engineering / Design Reports To: Project Manager / Lead E&I Engineer Job Summary The Electrical & Instrumentation (E&I) Design Engineer is responsible for detailed engineering, design, and coordination of electrical and instrumentation systems for water supply, sewerage networks, pumping stations, Water Treatment Plants (WTP), and Sewage Treatment Plants (STP) The role includes preparation of design documents, drawings, BOQs, technical specifications, vendor coordination, and support during execution and commissioning Key Responsibilities 1 Electrical Design General Prepare electrical load calculations and power distribution schemes Design HT/LT systems (11kV/33kV/415V as applicable) Transformer sizing and substation layout design Diesel Generator (DG) sizing and synchronization schemes Cable sizing calculations (power & control cables) Preparation of Single Line Diagrams (SLD) Earthing and lightning protection system design Illumination and small power layout Preparation of BOQ and technical specifications Vendor drawing review and approval 2 Pumping Stations (Raw Water / Clear Water / Sewage) Design of electrical systems for: Vertical turbine pumps Submersible pumps Horizontal centrifugal pumps Motor selection and control philosophy (DOL, Star-Delta, Soft Starter, VFD) MCC & PCC panel design PLC-based control system design SCADA integration for remote monitoring Design of: Level control systems (ultrasonic, pressure transmitters) Flow measurement (magnetic flow meters) Pressure monitoring systems Surge protection and interlocking schemes Design of standby power systems 3 Water Treatment Plant (WTP) E&I Design Activities Power distribution design for: Clarifiers Flash mixers Flocculators Rapid sand filters Sludge handling systems Instrumentation design for: pH analyzers Turbidity meters Chlorine analyzers Flow meters (Raw water, treated water, backwash lines) Pressure transmitters Level transmitters PLC & SCADA architecture development Control philosophy documentation Field instrument layout and cable routing Preparation of: Instrument index I/O list Cable schedule Loop diagrams Panel GA drawings and wiring diagrams 4 Sewage Treatment Plant (STP) E&I Design Activities Electrical design for: Aeration blowers SBR/MBBR systems RAS/WAS pumps Sludge dewatering units Decanters Hazardous area classification (where applicable) Gas detection systems (H S, methane) DO (Dissolved Oxygen) monitoring systems MLSS monitoring systems Motorized valves and actuator control Integration with centralized SCADA system Energy-efficient system design (VFD-based control) 5 Pipe Network & Distribution System Electrical & instrumentation design for: Flow monitoring stations Pressure monitoring stations District Metering Areas (DMA) Remote Terminal Units (RTUs) design Telemetry system design Solar-powered instrumentation (where applicable) Cathodic protection coordination (if required) Control panel design for booster pumping stations Documentation & Deliverables Single Line Diagram (SLD) Control Schematics Instrument Hook-up Drawings Cable Tray Layout Earthing Layout Lighting Layout BOQ & Cost Estimation Technical Specifications FAT & SAT Documentation As-built drawings Coordination Responsibilities Coordinate with: Civil team (for foundation & equipment layout) Mechanical team (pump & equipment data) Process team (treatment philosophy) Client & consultants Attend technical meetings Site visits and commissioning support Vendor inspections & FAT participation Desired Skills Strong knowledge of pumping systems Understanding of water & wastewater treatment processes Knowledge of energy-efficient systems Analytical & problem-solving skills Good communication & documentation skills Performance Indicators (KPIs) Timely submission of design deliverables Accuracy in BOQ and load calculations Zero major design revisions Smooth commissioning support Compliance with project specifications Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.