Education: Other trades certificate or diploma. Tasks: Install domestic, commercial or industrial plumbing fixtures and systems. Repair domestic, commercial or industrial plumbing fixtures and systems. Read blueprints, drawings and specifications to determine layout of plumbing system, water supply network and waste and drainage systems. Cut opening in walls and floors to accommodate pipe and pipe fittings. Test pipes for leaks using air and water pressure gauges. Determine piping system requirements and pipe sizing. Estimate costs and materials. Measure, cut, thread and bend pipes to required shape and size. Certificates, licences, memberships, and courses : Plumber Trade Certification. Screening questions: Do you have experience working in this field?. Do you have the required certifications listed in the job posting?. Experience: 1 year to less than 2 years. Employment terms options: Morning. Day. Green job: Involves duties and responsibilities that lead to positive environmental outcomes. Health benefits: Dental plan. Health care plan.