Design plumbing systems including:Water supply systemsDrainage and sewage systemsStormwater systemsIrrigation systemsDesign firefighting systems including:Fire hose reel systemsSprinkler systemsFire pumps and tanksFM200 / clean agent systems (if applicable)Prepare design calculations, technical reports, BOQs, specifications, and material selections.Develop detailed engineering drawings using AutoCAD and Revit.Coordinate with HVAC, electrical, architectural, and structural disciplines to ensure proper integration of all systems.Ensure designs comply with applicable codes and standards such as NFPA, IPC, UPC, SBC, and local authority requirements.Review shop drawings, material submittals, and technical submissions from contractors when required.Attend technical meetings and coordinate with clients, consultants, and project teams.Provide technical support during project execution and authority approvals.Mentor junior engineers and support the engineering team technically.