Develop and maintain detailed 3D piping models for offshore oil & gas facilities. Perform piping routing activities ensuring compliance with project specifications, design philosophies, and engineering standards. Prepare and review: Piping General Arrangement Drawings (GA) Plot Plans Equipment Layout Drawings Piping Arrangement Drawings Isometric Drawings Piping Plans & Sections Tie-in Drawings Fabrication Drawings As-Built Drawings MTO Extraction Reports Develop detailed 3D models for: Process Piping Systems Utility Piping Systems Fire Water Systems Chemical Injection Systems Hydrocarbon Systems Drain Systems Vent Systems Relief Systems Ensure compliance with P&IDs, Line Lists, Equipment Layouts, and Design Specifications. Perform piping routing considering: Accessibility Maintainability Operability Constructability Safety Requirements Coordinate piping layouts with structural, mechanical, electrical, instrumentation, telecom, and HVAC disciplines. Participate in model reviews and interdisciplinary coordination meetings. Identify and resolve model clashes and layout conflicts. Verify equipment nozzle accessibility and maintenance clearances. Incorporate engineering comments and client comments into models and drawings. Generate fabrication and construction deliverables from approved models. Support offshore brownfield modifications and tie-in projects. Maintain model integrity and compliance with project modelling standards. Guide junior designers and modelers on piping layout best practices.