Senior Project Estimator | Heavy Civil & Underground Infrastructure Ruby-Collins, Inc. | Smyrna, GA Company Overview Ruby-Collins, Inc. is an employee-owned general contractor with a 55-year legacy and over $3 billion in completed water and wastewater infrastructure projects. As a recognized leader in the Southeast, we provide specialized construction services for a diverse range of municipal and private clients. Our company is built on a foundation of technical excellence, employee ownership, and a long-term commitment to the critical infrastructure of the communities we serve. Position Impact & Scope This role is situated within our Heavy Civil Division, which provi