Estimator

Inflector-Environmental-Services; Toronto; On-site; CAD 70,000 - 80,000; Full time

Benefits offered by this job

Dental care

Disability insurance

Employee assistance program

Extended health care

Life insurance

On-site parking

Paid time off

RRSP match

Job summary

Donalco Inc., a division of Inflector Environmental Services, is hiring an Estimator to lead complex bid processes for passive fire protection projects across Ontario. The role reports to the Regional Manager and involves coordinating with clients and internal teams to prepare accurate cost proposals starting October 2026.

You should have 2–3 years in estimating within construction, strong analytical skills, proficiency with estimation software, and the ability to manage multiple tasks while

Qualifications

• 2–3 years of estimating or a related field within the construction industry.
• Experience with tender specifications and documentation to reflect scope of work.
• Experience with estimation software is an asset.

Responsibilities

• Lead the entire completion of complex bid processes.
• Interpret contracts and analyze drawings (architectural/mechanical/electrical).
• Assemble accurate estimates on time following proper processes.
• Support databases including labour rates, material pricing, and project costs.
• Coordinate with project managers and operations to resolve technical issues in contracts.
• Monitor project success and flag risks within bid price.
• Build relationships with sub-trades and clients for future opportunities.
• Schedule and attend job showings, site visits, and client meetings.
• Present estimates/proposals to senior management.
• Other duties as assigned.

Skills

Estimating

Construction industry

Analytical thinking

Time management

Teamwork

Client liaison

Tender documents

Tools

Estimation software

Job description

Job Description

Posted Tuesday, August 11, 2026 at 3:00 AM

Pay: $70,000.00 - $80,000.00

About Donalco Inc., a division of Inflector Environmental Services:

Donalco Inc. is a recognized leader in fireproofing and firestopping solutions, serving the industrial, commercial, and institutional construction sectors across Ontario. Since 1966, we have built our reputation on delivering high-quality passive fire protection systems that enhance the safety and performance of buildings. Our expertise includes spray-applied fireproofing, intumescent fireproofing, firestopping systems, and specialty coating applications, with the experience and resources to successfully execute projects of every size.

About the role:

Reporting to the Regional Manager, this position offers the successful candidate a unique opportunity to apply their costing and estimating skills on a diverse range of project scopes in a rapidly growing organization, while playing a key role in supporting team deliverables as the business expands and continues to outpace and outperform in the industry. The estimator will have the opportunity to engage with a wide variety of stakeholders daily, including liaising with clients, and collaborating with internal team members. This role has an estimated start date in October 2026.

Responsibilities:

• Take ownership for efficiently leading the entire completion of complex bid processes
• Interpret client contracts and analyze complex drawings and specifications including architectural, mechanical, and electrical drawings
• Assemble accurate, well-organized estimates on time following proper processes and procedures with materials and equipment required for job completion
• Support databases including labour rates, material pricing, and project costs
• Coordinate with project managers, operations, as well as other project team members to resolve any technical issues throughout the planning and development, negotiation, and execution of contracts
• Continue to monitor project success throughout, noting potential challenges
• Flag areas of concern and coordinate with management to accommodate any risk within the bid price
• Build relationships with sub-trades and clients for future opportunities
• Scheduling and attending job showings, site visits, and client meetings as required
• Participate in presentation of estimates/proposals to senior management
• Other duties as assigned

Profile Requirements:

• Proven experience (2-3 years) in estimating or a related field within the construction industry.
• Estimating experience in the construction sector is considered an asset.
• Experience within the fireproofing industry is considered an asset.
• Proficient ability to understand tender specifications and documentation to prepare estimates that properly reflect scope of work.
• Experience with different estimation software is considered an asset.
• Ability to successfully manage multiple tasks and re-prioritize as necessary.
• Strong analytical, problem solving, and time management.
• Ability to work as part of a team and independently.
• Professional manner and excellent communication interpersonal skills to bridge gaps and build relationships with various internal and external stakeholders.
• Proficient English-language skills, French bilingualism considered an asset.
• Valid driver’s license
• Valid Canadian residency and/or work permit

Physical Requirements:

Mainly an office position with extended periods of sitting.

Site visits requiring standing/walking with use of required personal protective equipment.

Job Type:

Full-time

Benefits:

• Dental care
• Disability insurance
• Employee assistance program
• Extended health care
• Life insurance
• On-site parking
• Paid time off
• RRSP match

Inclusive and Accommodation Statement:

Inflector is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We welcome and encourage applications from candidates of all backgrounds, abilities, and experiences. If you require accommodations during the recruitment process, please inform us, and we will make every effort to meet your needs.