We're looking for a Senior Estimator, Infrastructure to lead the development of accurate, competitive, and executable estimates on heavy civil and infrastructure projects. This role is hands‑on and accountable for driving estimates from early concept through submission, working closely with preconstruction, operations, and leadership to ensure projects are priced right and built right. While we are looking for a Senior Estimator, we may be open to candidates at an Intermediate level (compensation will be based on experience for more junior candidates).

What You'll Be Responsible For
Estimating Leadership & Execution

Lead full-cycle estimating on heavy civil, transit, and infrastructure projects

Build detailed first-principles, bottom‑up estimates

Own estimate accuracy, completeness, and competitiveness

Drive estimates from concept through final submission

Scope Development & Strategy

Review drawings, specifications, and contract documents

Define scope, assumptions, and pricing strategies

Identify risks, gaps, and opportunities early

Develop clear estimate narratives and documentation

Field Integration & Constructability

Work closely with operations and field teams

Align estimates with real construction means and methods

Ensure constructability is built into all pricing

Support planning with practical, executable approaches

Design-Build & Preconstruction Support

Support design‑build pursuits and early‑stage budgeting

Lead cost modeling, value engineering, and alternative solutions

Contribute to pursuit strategy and client‑focused solutions

Quantity Take‑Offs & Pricing

Oversee and complete quantity take‑offs

Develop pricing summaries and cost breakdowns





Support subcontractor and supplier pricing strategies

Ensure full scope coverage and competitive positioning

Collaboration & Reviews

Participate in estimate reviews and bid strategy sessions

Work closely with preconstruction, PMs, and leadership

Support alignment across teams on project approach and pricing

What You Bring

Detail-oriented - strong focus on accuracy and completeness

Accountable - owns the number and stands behind it

Practical - understands how work actually gets built

Organized - manages multiple deadlines and priorities

Direct communicator - explicit, concise, no confusion

Team player - works across precon, field, and leadership

Experience & Qualifications

10-12 years combined field and estimating experience in heavy civil or infrastructure

Strong design‑build estimating experience preferred

Deep understanding of Canadian construction practices and methods

Proven ability to interpret drawings, specs, and contract requirements

Experience with self‑perform civil and concrete scopes

Strong first‑principles estimating capability

Proficient with estimating software (Bluebeam, Bid2Win considered an asset)

Willing to travel as required

Why This Role

Work on complex, high‑profile infrastructure projects

Be part of a strong, technically driven team

Prospect to lead major pursuits and influence outcomes

Long‑term growth with a stable, self‑perform contractor

Advantages (Available from Day One)
We offer a competitive benefits package including;

Dental care

Extended health and vision care

Disability and life insurance

RRSP matching

Paid time off

On‑site paid parking.

We thank everyone for their interest however only shortlisted candidates will be contacted.

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📌 Senior Estimator (Ontario)
🏢 W3Global
📍 Ontario