We’re not just in the business of moving dirt. We build the foundations that communities grow on. From roads and bridges to utilities and mine infrastructure, MacKay takes on the civil construction projects others avoid. With over 40 years of proven performance, we’re expanding our reach while refining our systems— and we’re looking for a Senior Estimator who can help us price, plan, and secure the projects that drive our success.

How You’ll Contribute

As our Senior Estimator, you’ll play a pivotal role in shaping the future of our work by preparing detailed, accurate, and competitive cost estimates. Your expertise ensures every bid reflects both precision and opportunity. Working closely with Project Managers, Engineers, Superintendents, and senior leadership, you’ll evaluate project requirements, assess risks, and build estimates that help us win and deliver the right projects — safely, efficiently, and profitably. Your insight to the sustainability of potential projects will help shape out future workload.

What You’ll Get to Do

• Review project plans, specifications, and documentation to determine the full scope of work

• Conduct site visits to assess conditions, gather key data, and anticipate potential challenges

• Prepare detailed cost estimates for civil projects — including roads, bridges, utilities, infrastructure and grading

• Analyze quantities, materials, labour, and equipment requirements for each project phase

• Solicit, review, and evaluate subcontractor and supplier quotations to ensure accuracy and competitiveness

• Utilize historical data, cost databases, and industry benchmarks to inform and validate pricing

• Identify risks, assumptions, and potential cost variances and communicate them clearly to stakeholders

• Provide value engineering recommendations to improve cost efficiency While enhancing quality and safety

• Collaborate in preparing bid proposals and presentations for competitive tenders

• Maintain organized and detailed records of cost data and estimate documentation for reference and analysis

• Mentor junior estimators and contribute to the continuous improvement of estimating processes and tools

Who You Are

You’re a seasoned estimator who thrives on details and accuracy. You balance technical knowledge with business acumen, turning complex data into confident, competitive estimates. You work well under pressure, communicate clearly, and bring a proactive, team-first attitude to everything you do.

You Have

• A minimum of 5 years’ experience as a Civil Construction Estimator or Senior Estimator in heavy civil construction

• A degree or diploma in Civil Engineering, Construction Management, or a related field, or equivalent field experience

• Strong understanding of civil engineering principles, construction practices, and project delivery methods

• Proficiency with construction estimating software and tools

• Excellent analytical, mathematical, and organizational skills

• Keen attention to detail and accuracy in cost development and documentation

• Strong communication and collaboration skills with both technical and field teams

• A valid Class 5 driver’s licence with a clean record and willingness to travel to project sites as needed

• A problem-solving mindset and commitment to continuous improvement

What’s In It for You

You’ll be based at our Cranbrook, BC headquarters, close to the projects and people who make them happen. This position involves occasional site visits and may require overtime depending on bid schedules.

You’ll gain hands-on exposure to the full project lifecycle, from concept to completion, and play a key role in ensuring MacKay continues to win and deliver exceptional work. Expect a mix of autonomy, collaboration, and opportunity to grow within one of Western Canada’s leading civil contractors.

At MacKay, great people build great projects. If you’re ready to estimate, lead, and deliver with purpose, we want to hear from you.