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Salary
$57k – $71k per year
Location
In office (London)
Seniority
Senior · 5+ years exp
Visa
Positions approved through LMIA in 12 months: 3
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 10, 2026. First seen by Alion on Sep 16, 2026. Black & McDonald scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Black & McDonald is a family-owned integrated, multi-trade service provider headquartered in Toronto, Ontario, delivering electrical and mechanical construction, facilities management, utility and renewables, nuclear, energy and engineering services. Founded in 1921 by World War I veterans William R. Black and W.J. McDonald as a residential wiring contractor, it now has more than 6,800 employees working from over 40 offices across Canada and the United States. Its job board covers skilled trades such as electricians, refrigeration and boiler technicians, carpenters and sheet metal apprentices, plus project coordinators, estimators, building operators and nuclear contract staff.

BUILD YOUR CAREER AT BLACK & MCDONALD

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

ABOUT THIS CAREER OPPORTUNITY

Black & McDonald is actively seeking a Mechanical Estimator to join our Construction team in London. The successful candidate will lead the analysis of cost estimates and preparation of Mechanical work take-offs on mechanical projects. They will provide technical support to project operations, with emphasis on Plumbing estimating and support project changes.

Duties and responsibilities include, but are not limited to:

  • Prepares Mechanical work take-offs and estimates on projects including costs of materials, labour and equipment required for projects based on contract bids, quotations, schematic drawings and specifications with a focus on ICI Plumbing
  • Advises on tendering procedures; examines and analyzes tenders, recommends tender awards and conducts negotiations
  • Establishes and maintains tendering process, sets up cost monitoring, reporting systems and procedures
  • Coordinates price packages with suppliers, subcontractors, owners, designers and architects regarding tenders
  • Participates in site review, tender review, tender hand-off, and project closing, as required
  • Prepares and maintains a directory of suppliers, contractors and subcontractors
  • Liaises, consults and communicates with engineers, architects, owners, contractors and subcontractors, and prepares economic feasibility studies on changes and adjustments to cost estimates
  • Conducts material and equipment purchasing for secured key projects.
  • Updates and maintains estimating logs and past project archive.
  • Utilizes Estimating software and CRM platform (i.e Autobid, Salesforce).
  • Travel to various sites or clients to undertake the above.
  • Other duties as assigned.

COMPETENCY REQUIREMENTS

  • Communicates Effectively
  • Holds Self and Others Accountable
  • Teamwork and Collaboration
  • Values and Respects Others

EDUCATION REQUIREMENTS

Degree or Diploma in

  • Engineering
  • Construction Engineering Technology
  • Construction Management
  • Mechanical trade school

The following certifications/designations are considered an asset

  • Mechanical trades background
  • Gold Seal Certified (GSC)
  • Professional Quantity Surveyor (PQS)
  • Project Management Professional (PMP)

WORK EXPERIENCE REQUIREMENTS

  • 5+ years’ estimating experience on Mechanical and/or Plumbing ICI construction projects
  • Construction scheduling, planning, and execution experience required

SKILLS, ABILITIES, AND OTHER REQUIREMENTS

  • Self-motivated, organized and able to work with deadlines
  • Extremely thorough, accurate and detail oriented
  • Ability to read and interpret mechanical drawings
  • Strong knowledge of Ontario Building Code, specialization in plumbing code is considered an asset.
  • Proficient user of estimating software (such as AutoBid)
  • Knowledge of related local union collective agreements
  • Proficiency in Microsoft 365 (Microsoft Word, Excel, Project)
  • Knowledge of construction software (such as Procore)
  • Knowledge of construction contract law (CCDC and other typical contract types.)
  • Valid Ontario G class driver’s license
  • Willingness to drive within the local Southwest Ontario area for site reviews, typically 1-2 days per week

The expected salary range for this role is between $80,000 - $100,000 per year. The starting salary will be determined based on several factors such as the successful candidate’s qualifications, including but not limited to education and experience. Base pay is one component of Black & McDonald’s total rewards package. Total rewards vary by position and may include additional offerings such as group insurance benefits, pension plan, annual discretionary bonus, career development programs, and other HR programs.

Please be advised that a Criminal Background Check and Professional Reference Check will be required as part of our employment screening and selection process. Additionally, all applicants must be legally entitled to work in Canada, unless otherwise stated in the job posting.

Black & McDonald welcomes and encourages applications from persons with disabilities.

Accommodations are available upon request for candidates taking part in all aspects of the recruitment and selection process.

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