Estimating Assistant- Commercial Construction

Job Description

Job Title:
Estimating Assistant

Department: Pre-Construction
Reports To: Director of Estimating / Pre-Construction Manager

Position Summary

The Estimating Assistant supports the Estimating Department by organizing bid information, preparing bid packages, maintaining cost data, and assisting in the preparation of accurate, competitive, and well-documented construction estimates. This role is critical to ensuring Bayne Development Group submits complete, timely, and profitable bids while maintaining strong relationships with subcontractors and suppliers.

This is not a clerical role — it is an entry-to-mid-level technical position that plays a direct role in project acquisition and company profitability.

Key Responsibilities

Bid & Pre-Construction Support

• Set up new bid opportunities in Procore, Dropbox, and internal tracking systems
• Download, organize, and distribute drawings, specifications, and addenda
• Build and maintain subcontractor bid lists for each project
• Send bid invitations and follow up with subcontractors and vendors
• Track bid responses and identify gaps prior to bid day

Estimate Preparation

• Assist estimators with quantity takeoffs
• Enter quantities, pricing, and scope data into estimating software
• Compare subcontractor quotes and flag scope gaps, exclusions, or inconsistencies
• Prepare bid tabs and leveling sheets
• Assemble final estimate packages for review

Document Control

• Maintain current drawings, specs, RFIs, and addenda
• Ensure all estimate files are properly labeled and archived
• Maintain historical cost data and vendor pricing
• Track revisions and ensure estimates are built on the latest documents

Subcontractor & Vendor Coordination

• Contact subcontractors for pricing, clarifications, and scope verification
• Maintain vendor and subcontractor contact lists
• Support pre-bid meetings and bid day communication

Post-Bid & Handoff Support

• Assist in preparing estimate handoff packages to Project Managers
• Organize awarded subcontractor scopes, pricing, and commitments
• Archive final bid files and historical cost data

Daily Responsibilities

• Monitor bid calendars and deadlines
• Track incoming subcontractor pricing
• Update estimate files and bid logs
• Coordinate with estimators, project managers, and vendors
• Maintain accurate and organized digital files

Required Skills & Qualifications

• 1–3 years of experience in construction, estimating, project coordination, or office support preferred
• Strong attention to detail and organization
• Ability to read and understand construction drawings and specifications (or willingness to learn)
• Proficient in Microsoft Office (Excel, Outlook, Word)
• Comfortable working with construction software such as Procore, Bluebeam, or similar platforms
• Ability to work under deadline pressure in a fast-paced environment
• Professional communication skills with subcontractors and internal teams

Preferred Experience

• Experience with takeoff software (Bluebeam, Plan Swift, On-Screen Takeoff, etc.)
• Knowledge of commercial construction trades and scopes
• Familiarity with bid leveling and cost analysis

Performance Expectations

The Estimating Assistant is measured on:

• Accuracy of quantity entries and bid data
• On-time completion of bid packages
• Organization and cleanliness of estimating files
• Responsiveness to subcontractors and internal team members
• Reduction of scope gaps and bid risk

Bayne Development Group, LLC is a general contracting firm that specializing in several areas of commercial construction. Creative and dependable, Bayne has been combined with over 40 years of experience in the commercial, residential, development and new construction industry.

Our varied background allows us to operate as a full service general contractor that can perform everything from site work, flex space, and distribution warehouse, to Class “A” office space, retail, fast track restaurant, government and medical offices. Our experienced staff can also assist with value engineering and design alternatives to facilitate even the strictest time frame and budget.

Bayne Development key goals are to serve our clients by working closely with your architect or design professional in the early stages of a project to…