Sr. Project Estimator; Heavy Civil

Talent Acquisition & Retention | Ruby-Collins, Inc. About Us

Ruby-Collins is an industry-leading, employee-owned general contractor headquartered in Atlanta, GA. For more than 70 years, we’ve been a trusted builder in the water and wastewater space, completing over $3 billion in work for communities across the country.

Consistently named one of the Southeast’s best places to work and a top contractor, our culture is grounded in safety and respect—every person home safe, every day. We value our people as our greatest strength and invest in clear paths for growth, learning, and advancement.

We also show up as neighbors. Beyond the work itself, our teams stay connected to the communities we serve, contributing time, expertise, and steady partnership where it matters most.

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The Sr. Project Estimator (Heavy Civil) is responsible for leading and executing the full-cycle pre-construction phase, focusing on preparing complete, accurate, and competitive hard bid estimates for complex, high-value heavy civil projects.

This role requires specialized analysis for scopes including deep foundations, heavy utility and deep excavation, pump stations, wastewater treatment plants, and complex underground construction.

• Lead the preparation of accurate, timely, and complete hard bid estimates for complex heavy civil projects.
• Conduct detailed quantity take-offs, focusing heavily on deep excavations, shoring, structural elements, and heavy utility installations.
• Interpret and analyze geotechnical reports and LiDAR data to accurately determine excavation classifications (e.g., rock types), methods, and associated costs.
• Read, interpret, and cross-reference civil, structural, and pipe drawings, specifications, and contract documents.
• Analyze costs associated with equipment, materials, labor, subcontracts, and general conditions.

• Utilize AGTEK for quantity take-offs and earthwork analysis.
• Utilize Bluebeam for document review, annotation, and measurement verification.
• Prepare detailed cost models and bid summaries using advanced Excel formulas and functions.
• Maintain accurate records of all project data, bids, quotes, and documentation throughout the pre-construction phase.

• Solicit, evaluate, and negotiate competitive proposals from subcontractors and vendors.
• Collaborate to ensure constructability is integrated into the estimate and to facilitate a smooth project turnover.
• Visit job sites to assess existing conditions, logistics, and scope verification.
• Maintain a deadline-driven approach, ensuring all required project deliverables are submitted on time.

• Experience: 7 – 10+ years of direct experience estimating heavy civil projects (deep excavation, water/wastewater treatment plants, heavy underground utility, shoring, and deep foundations.). Prior experience or a strong understanding of the Project Manager role is also preferred.
• Education: Bachelor’s Degree in Civil Engineering, Construction Management, or a similar field is preferred.
• Project Specifications: Expert-level ability to interpret detailed civil, structural, and pipe drawings alongside geotechnical and LiDAR reports to accurately assess rock formations and excavation conditions.
• Systems & Software: Strong proficiency using AGTEK, Bluebeam, and Microsoft Excel (advanced formulas and functions).
• Mindset: A disciplined self-starter who takes ownership, thrives under deadline pressure, and excels in a fast-paced environment.
• Location: Ability to work in-office full-time at either the Smyrna, GA or Savannah, GA office location. This role is not eligible for remote or hybrid arrangements.
• Other: Must be authorized to work in the US, possess a valid driver’s license with a clean MVR, and pass a pre‑employment drug screening/physical.

• Competitive Compensation Package
• 100% Company-Paid Medical, Dental, & Vision for the Entire Family
• Paid Time Off (PTO) & Paid Holidays
• 401(k) + Company Match
• 100% Company-Paid STD, LTD, & Life Insurance
• Employee Assistance Program (EAP)
• Professional Development & Education Opportunities
• Long-Term Career Growth & Family-Oriented Work Culture

Mid-Senior level

Full-time

Management and Manufacturing

Construction, Civil Engineering, and Utilities