3D Data Prep Technician

Thomas Cavanagh Construction Limited; Ottawa; On-site; CAD 65,000 - 85,000; Full time

Benefits offered by this job

Family‑oriented culture

Safe and healthy workplace

Internal growth opportunities

Training and development opportunities

Benefits, Wellness and Pension

Job summary

Thomas Cavanagh Construction Limited is seeking an experienced Earthworks Estimating Modeller in Ontario to convert 2D plans into accurate 3D surfaces and generate material takeoffs for bids.

You will build high-accuracy 3D models, balance sites, and collaborate with estimators and project managers to ensure constructible, cost-effective solutions reflect in bid submissions.

Qualifications

• 10+ years of experience in earthworks modelling, CAD drafting, or civil construction estimating support.
• Diploma in Civil Engineering Technology, Survey Technology, or related field.
• Proficiency with Trimble Business Center, Bluebeam, Excel, and familiarity with AutoCAD.

Responsibilities

• Build high-accuracy 3D earthworks models from 2D drawings for subdivisions, ponds, and sites.
• Generate cut/fill maps and material quantities for estimating.
• Create subgrade and finish grade surfaces to support bid preparation.
• Identify inconsistencies and design errors in consultant drawings and communicate them.
• Provide accurate quantities for earth, topsoil, granulars, asphalt, curb, and other materials.
• Produce color maps, volume reports, and visualizations for bids and reviews.
• Collaborate with project managers and estimators to reflect constructible solutions.

Skills

10+ years experience

Trimble Business Center

Bluebeam

Excel

AutoCAD

Education

Diploma in Civil Engineering Technology

Diploma in Survey Technology

Tools

3D earthworks modelling

Job description

Founded in 1953, Thomas Cavanagh Construction has continued to set the standard for quality construction and materials in Eastern Ontario. With our strategically located pits and quarries, our unmatched fleet of trucks and heavy equipment, our state‑of‑the‑art facilities, and our dedicated employees, Thomas Cavanagh Construction has earned a reputation as one of Ottawa’s most trusted and respected contractors.

Overview

We are looking for an experienced Earthworks Estimating Modeller to support our estimating and pre‑construction teams by producing accurate 3D models, surface comparisons, and material quantity takeoffs. This role is ideal for someone who has spent years converting 2D engineering plans into reliable 3D surfaces, identifying grading issues, and preparing data that estimators can trust. If you excel at building clean, accurate models and balancing sites you’ll fit right in.

Duties and Responsibilities

• Build high‑accuracy 3D earthworks models from 2D engineering drawings for subdivisions, ponds, commercial sites, roads, and parking lots.
• Generate cut/fill maps, material quantities, and earth balance reports for estimating.
• Create subgrade, finish grade, and comparison surfaces to support bid preparation and value‑engineering.
• Identify inconsistencies, grading conflicts, and design errors in consultant drawings and communicate them proactively.
• Support estimators by providing accurate quantities for earth, topsoil, granulars, asphalt, curb, and other civil materials.
• Produce color maps, volume reports, and visualizations to support bid submissions and internal reviews.
• Collaborate with project managers and estimators to ensure models reflect constructible, cost‑effective solutions.

Required Skills & Experience

• 10+ years of experience in earthworks modelling, CAD drafting, or civil construction estimating support.
• Strong proficiency in Trimble Business Center, Bluebeam, Excel, and familiarity with AutoCAD.
• Deep understanding of grading, drainage, and civil construction methods.
• Proven ability to convert 2D plans into clean, accurate 3D surfaces.
• Experience balancing sites, optimizing grades, and preparing quantity takeoffs.
• Ability to work independently, manage multiple deadlines, and adapt quickly to changing bid requirements.
• Detail‑driven mindset with a strong focus on accuracy and quality control.
• Experience with UAV/LiDAR/Photogrammetry data is an asset.
• Diploma in Civil Engineering Technology, Survey Technology, or related field.

Cavanagh Employee Benefits

• Family, people‑centric culture
• Safe and healthy workplace, promoting well being.
• Internal growth opportunities
• Training and development opportunities
• Benefit, Wellness and Pension Programs

Wage Range

The salary range for this position in Ontario at the start of employment is expected to be between $65,000 per year and $85,000 per year. However, the range offered is based on local job market factors and may vary further depending on factors specific to the selected job candidate, such as job‑related knowledge, skills, experience, and other objective business considerations.

The above statements are intended to describe the general nature and level of work being performed by people assigned to the classification. They are not to be construed as an exhaustive list of all responsibilities, duties, and skills required of personnel so classified. All personnel may be required to perform duties outside of their normal responsibilities from time to time, as needed.