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Posted 15 days ago

Maintenance Mechanic

@ Black & McDonald Limited

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Ottawa, Ontario

Full-time
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SIGNALS

Overview

Black & McDonald is hiring a Maintenance Mechanic in Ottawa to maintain, troubleshoot and repair mechanical and plumbing systems at a National Museum. The work is full-time, involves shift tours, preventive maintenance and trouble calls, and the wage follows the 787 Union Agreement schedule. Reliability clearance is required.

Responsibilities:

  • Maintain, troubleshoot and repair mechanical and plumbing systems
  • Perform shift tours, log readings and start up or shut down equipment
  • Carry out preventive maintenance requested through the CMMS
  • Respond to trouble calls and complete repairs
  • Verify quality of subcontractor work and report to the Project Manager

Requirements summary:

  • Extensive HVAC and mechanical systems experience, or Ontario trade qualification or equivalent
  • Ability to obtain and maintain Reliability clearance
  • Canadian citizen or permanent resident of 5 years

Tools & skills

CMMSchillerheat pumpcompressorfire alarm system
Source and dates

Employer career site / ATS feed · breezy

Employer posting date
2026-10-22
First seen by our source
2026-10-23
Source record updated
2026-10-30

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SeniorityMid level
DepartmentMaintenance & repair
Hours per week40 (estimated)
Travelair: none · ground: none
Work settingPlant or factory
PositionSitting and standing
Physical demandsphysical high · computer low
LanguagesEnglish
Licences & certificationsOntario trade qualification
Security clearanceReliability status

Summary and details written by AI from the posting; the employer’s posting is the authority.

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Black & McDonald Limited

Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

Full company description

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 operated company with over 6,500 employees working out of 40+ offices across North America. With more than 100 years of diverse market experience across North America, we are a forward-thinking organization with a strong track record of delivering customer-focused solutions and operational excellence. For more information on our licenses visit: https://blackandmcdonald.com/licenses/

LinkedIn followers
77,015
People associated on LinkedIn
3,002
Reported office locations
  • 2100 - 2 Bloor Street East, Toronto, ON M4W 1A8, CA
  • 31 Pullman Court, Scarborough, ON M1X 1E4, CA
  • 6001 Front Street, Kansas City, Missouri 64120, US
  • 10 Payzant Avenue, Dartmouth, Nova Scotia B3B 1Z6, CA
  • 1801 Quebec Avenue, Saskatoon, Saskatchewan S7K 3S7, CA
Business categories
  • Electronics
  • Government
  • Consumer Electronics
Other recorded names
  • Black & McDonald Limited
  • Black & McDonald Français
Specialties
  • Electrical Construction
  • Facilities Management
  • Facility Maintenance Services
  • Renewable Services
  • Utility Services
  • Construction Services
  • Energy & Sustainability Services
  • Engineering & Design
  • Fabrication and Modular Construction Services
  • and EV Charging Infrastructure Services
Profile identifies a recruitment agency
No
Reported total investment
0

Currency and observation date were not supplied; this is not a current valuation or a funding round.

View all jobs Website

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 operated company with over 6,500 employees working out of 40+ offices across North America. With more than 100 years of diverse market experience across North America, we are a forward-thinking organization with a strong track…

FieldValue
IndustryConstruction
Company size5,001-10,000 employees
HeadquartersToronto, ON
Organization typePrivately Held
Year founded1921
SpecialtiesElectrical ConstructionFacilities ManagementFacility Maintenance ServicesRenewable ServicesUtility ServicesConstruction ServicesEnergy & Sustainability ServicesEngineering & DesignFabrication and Modular Construction Servicesand EV Charging Infrastructure Services
Open jobs on Jobsy102
LinkedInView page
Job description

BUILD YOUR CAREER AT BLACK & MCDONALD

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 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.

ABOUT THIS CAREER OPPORTUNITY

Black & McDonald Limited is seeking a Maintenance Mechanic at our location in Ottawa, Ontario. The Maintenance Mechanic will maintain, troubleshoot, and repair various mechanical and plumbing devices and systems to achieve optimum life span of equipment in a National Museum.

DUTIES & RESPONSABILITIES

Work shall include but not necessarily be limited to the following:

  • Perform shift tours and log readings
  • Start up / shut down major building equipment
  • All water treatment duties
  • Diesel, fire alarm, life safety tests
  • Perform minor repairs
  • Major fan and AHU maintenance and alignment
  • Minor chiller and heat pump servicing and troubleshooting
  • Compressor maintenance
  • All mechanical maintenance duties such as filter and belt changing
  • Carry out preventative maintenance tasks as requested by the CMMS system
  • Respond to the Client’s “trouble call system” as necessary and carry out appropriate repairs
  • Verify the quality of work completed by various subcontractors
  • Report to the Project Manager on the day-to-day operations of this function of the contract

SKILLS, ABILITIES & OTHER REQUIREMENTS

  • Extensive experience with HVAC and mechanical systems and/or an Ontario trade of Qualifications or equivalent.

Due to contractual requirements, candidates must be able to obtain and maintain a Reliability clearance (must be a Canadian citizen or permanent resident of 5 years).

This position’s wage rate follows the 787 Union Agreement schedule.

Black & McDonald welcomes and encourages applications from persons with accessibility accommodation requirements. Accessibility accommodations are available upon request for candidates taking part in all aspects of the recruitment and selection process.

If you are an existing Black & McDonald employee, please notify your supervisor of your interest and intent to apply before applying.

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