St. Catharines On Construction estimator Jobs – 8 Openings This Week

Project Coordinator / Estimator - Sewer & Water
Bob Robinson & Son Construction —Welland, ON
- $25–$30 an hour
- Full-time
- Research
- Microsoft Office
- Continuous improvement
- Dental care
Quick apply
Project Manager/Estimator
Thompson Construction Group —Ontario
- Full-time
- Microsoft Powerpoint
- Engineering
- Databases
- Dental care
- Vision care
Quick apply
5d
Estimator
BV GLAZING —Niagara Falls, ON
- $50,000–$60,000 a year
- Full-time
- Employee stock purchase plan
Quick apply
12d
Fabrication Estimator
E.S. Fox Limited —Niagara Falls, ON
- $80,000–$95,000 a year
- No experience needed
- Continuous improvement
- Organizational skills
- Dental care
- Employee assistance program
Junior Landscape Estimator
Tree Amigos Landscaping —Virgil, ON
- $20–$28 an hour
- Full-time
- Customer service
- English
- High school diploma or GED
Estimator - Plumbing Division
Patrick Mechanical Limited —Canada
- $25–$28 an hour
- Full-time
- Engineering
- Databases
- Continuous improvement
- Dental care
- Vision care
Quick apply
9d
National Sprinkler Estimator / Estimateur national en systèmes de gicleurs
Vipond Inc —Canada
- $80,000–$100,000 a year
- Full-time
- Engineering
- Analysis skills
- Bachelor's
- Store discount
- Profit sharing
Quick apply

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Controller, Construction & Industrial Services
The Morgan Investments Group Inc. —Fort Erie, ON
This role will be responsible for the day-to-day finance leadership of two growing operating companies and will work directly with ownership and operations to…
$115,000–$130,000 a year
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9d
Project Manager
Gerry's Roofing & Siding Inc. / Haven Bath & Home —Hamilton, ON
Determine and allocate resources to ensure that they are available as needed throughout each project. Company truck included that you can take home on evenings…
$70,000–$85,000 a year
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Project Manager,Estimator- Construction
Smid Construction Ltd —Ajax, ON
Prepare and submit construction project budget estimates. The ideal candidate will bring strong leadership, technical expertise, and a passion for construction…
$70,000–$100,000 a year
Quick apply
Junior Estimator
Confidential —Clarington, ON
Diploma or degree in Construction Management, Architectural Technology, Woodworking Technology, Engineering, Quantity Surveying, or a related field.
$25–$30 an hour
Quick apply

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Project Coordinator / Estimator - Sewer & Water

Bob Robinson & Son Construction -
Welland, ON

Quick apply

Job details

Permanent | Full-time
$25–$30 an hour

Qualifications

Cost management
Pricing
Coordination with construction teams
Supplier management experience
Research
Microsoft Office
Schedule management
Continuous improvement
Project management software
Cost estimates
Construction experience
Budgeting
Construction documentation
Civil infrastructure experience
Communication skills
Team coordination
Construction estimating
Bid preparation (Technical proposal processes)

Full job description

About Us

With over 50 years of trusted service in the Niagara Region, Bob Robinson & Son Construction specializes in sewer and water infrastructure, site servicing, and civil construction projects. We take pride in our reputation for reliability, safety, and quality workmanship. We’re now looking for a Project Coordinator / Estimator to join our construction team and play a key role in planning, pricing, and managing projects from start to finish.

Position Summary

This role combines both coordination and estimating responsibilities, ideal for someone who thrives in a fast-paced, hands-on construction environment. You will support field crews by preparing accurate cost estimates, managing timelines, coordinating resources, and ensuring jobs are completed safely, efficiently, and profitably.

Qualifications

Minimum 7 years’ experience in private sewer and water construction
Strong estimating skills with knowledge of unit pricing and take-off methods
Familiarity with construction documents, plans, and specifications
Excellent organizational and communication skills
Proficiency with Microsoft Office; experience with estimating or project management software is an asset
Ability to work both in-office and on-site as needed
Valid G license; clean driver’s abstract

Key Responsibilities

Compile, Create, and Review documentation from both public and private construction jobs and conduct take-offs for civil construction jobs including:
Site servicing, watermain and water service repairs, catch basin repairs and replacements, grading and excavation (small residential jobs, work for existing clients)
Meet clients on site to understand the project scope in order to provide accurate cost estimates and materials list needed for job completion
Prepare accurate cost estimates, budgets, and bid packages through site meets and in-office research
Coordinate and schedule subcontractors, materials, equipment, and personnel
Conduct site visits to assess job requirements and ensure project readiness
Collaborate with clients, municipalities, and internal teams to ensure project alignment
Track job progress, budgets, and documentation throughout the project lifecycle
Assist with permits, locates, and utility coordination as required
Maintain strong relationships with suppliers and subcontractors
Contribute to continuous improvement of estimating and project management processes

Why Join Us?

Competitive salary based on experience
Company vehicle during working hours (after time in role milestone)
Extended Health Benefits Package (after time in role milestone)
RRSP matching program (after time in role milestone)
Full-time, stable employment in a supportive team environment.
A collaborative workplace where your contributions are valued and appreciated

Job Types: Full-time, Permanent

Pay: $25.00-$30.00 per hour

Expected hours: 45.0 – 55.0 per week

Benefits:

Dental care
Extended health care
RRSP match

Work Location: In person

Quick apply

Refine Your Search

construction estimator jobs in st. catharines on

Project Coordinator / Estimator - Sewer & Water

Project Manager/Estimator

Estimator

Fabrication Estimator

Junior Landscape Estimator

Estimator - Plumbing Division

National Sprinkler Estimator / Estimateur national en systèmes de gicleurs

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