This full-time Administrative Assistant role supports the office management team at Expert Plumbing Inc, a reputable contractor serving Southern California. The position involves managing daily office operations, including handling client communications, scheduling appointments, and coordinating field crew dispatching. Key responsibilities also cover maintaining project files and permits, assisting with invoicing and basic bookkeeping using QuickBooks, and supporting HR onboarding tasks. The role offers a friendly, team-oriented work environment with opportunities for professional growth within an established local business. Candidates will work in a fast-paced setting that values organization and discretion, with a preference for those who have prior administrative experience in the construction industry.