Black & McDonald is an integrated, multi trade service provider that safely delivers high quality construction, facilities management, and technical solutions. We are a family-owned and family-run company that employs thousands of highly skilled and talented professionals across North America. With nearly 100 years of diverse market experience, we are a forward thinking organization with a strong track record of delivering operational excellence and customer-focused solutions that stand the test of time.


Black & McDonald Limited is actively seeking a Plumber Apprentice and/or a licensed Plumber for our Service Division in Ottawa to maintain, upgrade, troubleshoot and repair all plumbing within our Service Agreements to achieve optimum life span of equipment.

Duties & Responsibilities include but are not limited to:

• Review building plans and specifications to determine the layout for plumbing and related materials

• Identify required tools and special equipment

• Select the type and size of pipe required

• Locate and mark positions for connections and fixtures

• Install supports and hangers for pipe, fixtures and equipment

• Assemble and install valves and fittings

• Install, repair and maintain water treatment equipment, piping and controls

• Install, repair and maintain underground storm sanitary and water piping systems

• Install, repair and maintain sinks, tubs and toilets

• Install, repair and maintain water heaters and conditioners

• Install, repair and maintain plumbing fixtures, appliances and trim

• Test pipe systems and fixtures for leaks

• Maintain all building codes, installation requirements and relevant legislation

• Perform scheduled maintenance service on plumbing systems and fixtures

• Apply all codes to installations, repairs and maintenance

• Ensure all requirements as specified by the manufacturer of systems and fixtures are met

• Ensure all installations, repairs and maintenance are properly sized, aligned, supported and graded

• Utilize oxy/acetylene hand torches, grinders and bevellers in an efficient and safe manner

• Prepare budgets, and orders of supplies

• Keep daily reports


• Communicates Effectively

• Customer Focus

• Problem Solving and Innovation

• Teamwork and Collaboration

• Values and Respects Others


• Must possess a valid 306A License and/or be a registered apprentice;

• Experience in a plumbing position in service, maintenance, replacement and installation for commercial & residential sites;

• Valid ‘G’ Driver’s License;

• Excellent verbal and written communications skills;

• Follow instructions both written and verbal;

• Always maintain a professional demeanor with fellow employees and clients;

• A team player, committed to working in a quality environment;

• Available and willing to work varying shifts, weekends and holidays as required.