A senior estimator is responsible for assisting in completing construction projects by providing cost estimates.

His/her job description entails procuring competitive projects, cooperating with subcontractors, and training and assisting estimating staff; seeking key information from subcontractors and participating in periodic reviews.

In other words, a senior estimator is responsible for evaluating bid specifications and drawings, ensuring that the organization or client is fully aware of the necessary tools or information required to successfully bid and acquire a project.

It is the duty of the senior estimator to liaise and follow up with subcontractors in order to ensure that bids are received, while also working with project management teams in order to follow up on bids and budgets to close the business.