Location: Greater North County San Diego AreaPosition OverviewWe're partnering with a well-established plumbing and electrical contractor seeking a Senior Plumbing Designer to support high-volume multifamily construction throughout Southern California.This role focuses on large-scale, ground-up apartment communities ranging from 200–300 units. The company is looking for a true senior-level designer who can independently lead plumbing design from underground layout through final drawing completion and code compliance.The ideal candidate understands multifamily plumbing at scale, is confident interpreting California Plumbing Code, and can produce accurate, coordinated shop drawings without relying on city redlines alone.What You'll Be Responsible ForLead plumbing design for 200–300 unit multifamily developmentsDesign underground waste, vent, water, and storm systemsProduce complete drawing sets including dimensions, elevations, and detailingPerform hydraulic calculations and validate system sizingEnsure full compliance with California Plumbing Code (CPC)Coordinate daily with project managers, field superintendents, and electrical teamsSubmit weekly drawing updates and revisionsUtilize AutoCAD or Revit for design production (Revit preferred)Support construction teams during buildout to ensure install alignment with designBackground & Qualifications5+ years of plumbing design experience, preferably on large multifamily projectsExperience designing 200+ unit developmentsStrong knowledge of California Plumbing Code (CPC), ICC, and IAPMO standardsProven underground plumbing layout experienceProficiency in AutoCAD requiredRevit experience strongly preferredAbility to work in‑office in a collaborative team environmentField experience or C-36 background is a strong plusWhy This OpportunityEstablished contractor with consistent multifamily backlogDirect collaboration with experienced leadership and project teamsStable work pipeline in a competitive market401(k) with company matchPaid holidays and PTO#J-18808-Ljbffr