Mechanical Estimator
The Mechanical Estimator will lead the analysis of cost estimates and prepare mechanical work take-offs for construction projects. They will also provide technical support to project operations, manage tendering procedures, and coordinate with suppliers and subcontractors.
- On-site
- London, ON
- Posted Aug 26, 2026
- 1 position
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Job summary
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. #LI-NS1 #LI-Office
What you’ll do
The Mechanical Estimator will lead the analysis of cost estimates and prepare mechanical work take-offs for construction projects. They will also provide technical support to project operations, manage tendering procedures, and coordinate with suppliers and subcontractors.
Requirements
Candidates must have 5+ years of estimating experience on mechanical or plumbing ICI construction projects and a degree or diploma in engineering or construction management. Proficiency in estimating software and knowledge of construction contract law and building codes are required.
Benefits
• Group insurance benefits • Pension plan • Annual discretionary bonus • Career development programs
Listed skills
- Project managementPreferred
Other relevant skills
Identified from the job description. Confirm important requirements above.
- Mechanical estimating
- Plumbing estimating
- Cost take-offs
- Tendering procedures
- Mechanical drawings interpretation
- Ontario Building Code
- AutoBid
- Salesforce
- Microsoft 365
- Procore
- Construction contract law
- Project management
- Negotiation
- Scheduling
- Planning
- Execution
- Construction Management Software
- Contract Law
- Mechanical Drawings
- Valid Driver's License
- Self-Motivation
- Schematic Diagrams
- Microsoft Word
- Customer Relationship Management
- Building Codes
- Construction
- Customer Service
- Communication
- Construction Engineering
- Construction Management
- Feasibility Studies
- Facility Management
- Plumbing
- Operational Excellence
- Operations
- Plumbing Codes
- Project Management Professional Certification
- Purchasing
- Quotations
- Subcontracting
- Teamwork
- Detail Oriented
Job areas
- Construction
- Engineering
- Management & Leadership
- Mechanical Estimator
- Estimator
- Valuers and Loss Assessors
- Cost Estimators
Additional details
- Minimum education
- Professional degree
- Minimum experience
- 5+ years
- Posting language
- English
- Working hours
- 40 hours per week
