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General Contractor Assistant Jobs in Hamilton, ON

SSA Recruitment (CA)

Estimator

Ottawa, ON

$70K - $85K/yr

Perth, ON Salary: $70,000 - $85,000 + Benefits Our client, a growing General Contractor, is seeking ... Solicit, review, and analyze quotations from subcontractors and suppliers. * Assist with bid ...

Louis W Bray Construction

Dump Truck Driver

Vars, ON · On-site

Louis W Bray Construction is a family-owned and operated Heavy Civil General Contractor, but we are ... assist in the completion of complex, Heavy Civil Construction projects in the Ottawa area.

Knapp Inc.

Mechanical Estimator

Mississauga, ON · On-site

CA$75K - CA$110K/yr

Who we are: Kenaidan is an employee owned general contractor building heavy civil/structural ... Participate in tender closings and assist with follow-up activities. Support project implementation ...

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All JobsGeneral Contractor JobsGeneral Contractor Assistant JobsGeneral Contractor Assistant Jobs in Hamilton, ON

General Contractor Assistant information

See Hamilton, ON salary details

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How much do general contractor assistant jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for general contractor assistant in Hamilton, ON is $17.23, according to ZipRecruiter salary data. Most workers in this role earn between $14.49 and $20.33 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a general contractor assistant, and why are they important?

To thrive as a General Contractor Assistant, you need a basic understanding of construction processes, project documentation, and safety protocols, often supported by a high school diploma or relevant trade certifications. Familiarity with project management software, scheduling tools, and construction site equipment is typically required. Strong organizational skills, attention to detail, and effective communication make someone stand out in this position. These skills are crucial for supporting project efficiency, ensuring safety compliance, and facilitating smooth coordination between teams and subcontractors.

What is the difference between General Contractor Assistant vs Construction Coordinator?

AspectGeneral Contractor AssistantConstruction Coordinator
CredentialsHigh school diploma, some experience in constructionHigh school diploma, often some project management knowledge
Work EnvironmentConstruction sites, officesConstruction sites, project offices
Employer & Industry UsageConstruction companies, general contractorsConstruction firms, project management teams
Common Search & ComparisonYesYes

The main difference is that a General Contractor Assistant supports the general contractor with daily tasks, scheduling, and coordination, often focusing on site assistance. A Construction Coordinator typically handles project planning, communication, and documentation, often with more emphasis on administrative and organizational duties. Both roles are essential in construction projects but differ in scope and responsibilities.

What is a general contractor assistant?

General Contractor Assistants support general contractors in managing construction projects by performing administrative, organizational, and hands-on tasks. Their duties often include coordinating schedules, communicating with subcontractors and suppliers, maintaining project documentation, and ensuring that safety regulations are followed on-site. They help keep projects running smoothly by assisting with project planning, budget tracking, and addressing any logistical needs that arise. This role is vital for efficient project execution and helps ensure construction projects are completed on time and within budget.

What are some typical challenges faced by a general contractor assistant, and how can they be managed?

General Contractor Assistants often face challenges such as juggling multiple tasks on tight deadlines, coordinating with various subcontractors, and adapting quickly to changes on the job site. Effective time management, clear communication, and a proactive approach to problem-solving are essential for success in this role. Building strong relationships with team members and staying organized can help manage these challenges and contribute to smooth project execution.

What does a general contractor assistant do?

As a general contractor assistant, you assist construction teams on a building site and in an office. Your responsibilities include tasks like preparing and securing equipment, maintaining clean and safe work areas, and collaborating with teams of workers to complete each project. You use power and hand tools, direct subcontractors and temporary staff on daily duties, inventory materials, and collaborate with team members to complete tasks. Duties also include attending meetings and taking notes as necessary, communicating with teams of architects, engineers, subcontractors, and other team members, and following guidelines to ensure each structure is safe and meets code requirements.

More about General Contractor Assistant jobs
What are popular job titles related to General Contractor Assistant jobs in Hamilton, ON? For General Contractor Assistant jobs in Hamilton, ON, the most frequently searched job titles are:
What job categories do people searching General Contractor Assistant jobs in Hamilton, ON look for? The top searched job categories for General Contractor Assistant jobs in Hamilton, ON are:
What cities near Hamilton, ON are hiring for General Contractor Assistant jobs? Cities near Hamilton, ON with the most General Contractor Assistant job openings:
General Contractor Assistant jobs near you
Infographic showing various General Contractor Assistant job openings in Hamilton, ON as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 19% Part Time, 1% Temporary, and 4% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $35,831 per year, or $17.2 per hour.

Estimator

SSA Recruitment (CA)

Ottawa, ON

$70K - $85K/yr

Full-time

Re-posted yesterday

Job description

Position: Estimator
Location: Perth, ON
Salary: $70,000 - $85,000 + Benefits
Our client, a growing General Contractor, is seeking an Estimator to join their team in Perth, Ontario. This is an excellent opportunity for a construction professional looking to further develop their estimating career while working on a variety of commercial, institutional, and industrial construction projects throughout Eastern Ontario.
The successful candidate will play a key role in the pre-construction process, preparing accurate estimates, coordinating subcontractor pricing, reviewing tender documents, and supporting project teams to ensure successful project delivery.
Responsibilities
  • Review drawings, specifications, tender documents, and contract requirements.
  • Prepare detailed quantity take-offs and cost estimates for construction projects.
  • Solicit, review, and analyze quotations from subcontractors and suppliers.
  • Assist with bid preparation, tender submissions, and proposal development.
  • Identify project risks, scope gaps, and opportunities during the estimating process.
  • Prepare and maintain estimate summaries, bid comparisons, and pricing breakdowns.
  • Coordinate with Project Managers, Site Superintendents, consultants, and clients during pre-construction.
  • Attend site visits, pre-bid meetings, and tender closings as required.
  • Support budgeting, value engineering, and procurement activities.
  • Maintain subcontractor and supplier relationships while sourcing competitive pricing.
  • Ensure estimates are completed accurately and submitted within required deadlines.
Qualifications
  • Minimum 2 years of estimating experience working for a General Contractor or Construction Management firm in Ontario.
  • Experience preparing quantity take-offs and cost estimates for commercial, institutional, industrial, or ICI construction projects.
  • Strong understanding of construction drawings, specifications, contracts, and tendering processes.
  • Ability to interpret architectural, structural, mechanical, and electrical drawings.
  • Strong organizational, analytical, and problem-solving skills.
  • Excellent communication and relationship-building abilities.
  • Proficient with Microsoft Office, particularly Excel.
  • Experience with estimating software such as Bluebeam, PlanSwift, ProEst, On-Screen Takeoff, or similar software is considered an asset.
  • Valid Ontario driver's licence and ability to attend project sites as required.
What's Offered
  • Competitive salary of $70,000 - $85,000, based on experience.
  • Comprehensive benefits package.
  • Opportunity to work on a variety of challenging construction projects.
  • Career growth and mentorship within an established construction organization.
  • Collaborative and team-oriented work environment.
  • Long-term career opportunity with a stable and growing company.
If you have estimating experience with a General Contractor or Construction Management firm and are looking to advance your career with a reputable organization, we would like to hear from you.
How to Apply
Apply by sending your resume and project list to jamal.grant@ssaltd.com
* If you do not have a project list, please add 3-4 projects that you have bid on and won (these applicants will be contacted first).