Treatment Plant Estimator at Southland Holdings – Grapevine, Texas

Southland Holdings is seeking an experienced Senior Estimator focused exclusively on water and wastewater treatment plant construction. This position supports estimating efforts for complex, process-driven facilities including treatment plants, pump stations, and advanced water infrastructure projects.

For more than 100 years, hard-working, honest, and innovative people have built what has become Southland Holdings. Our companies deliver critical water infrastructure that improves public health, environmental sustainability, and community resilience.

• Competitive compensation

• Excellent vacation and paid time off program

• Long-term career growth opportunities

• Relocation assistance to the Dallas–Fort Worth area

• Health, Dental, Vision insurance

• 401(k) with company match

• 7+ years of experience in water and wastewater treatment plant construction

• 5+ years of experience estimating vertical and process-intensive treatment facilities

• Proven success estimating $10M–$100M+ treatment plant projects

• Strong technical understanding of:

  • Cast-in-place concrete tanks and treatment structures

  • Process mechanical systems and large-diameter plant piping

  • Equipment installation (pumps, blowers, clarifiers, filters, membranes, UV, etc.)

  • Chemical feed systems and yard piping

• Working knowledge of electrical, instrumentation, and controls scopes as they relate to treatment plant construction

• Ability to read and interpret process flow diagrams, P&IDs, and technical specifications

• Lead estimating efforts for water and wastewater treatment plant projects, from conceptual budgets through hard bids

• Review process drawings, structural plans, P&IDs, specifications, and bid documents to fully define scope and execution approach

• Develop detailed quantity takeoffs and cost estimates for:

  • Concrete basins, buildings, and below-grade structures

  • Mechanical process piping and equipment installation

  • Yard piping, site civil, and interconnecting utilities

• Coordinate pricing and scope with process equipment manufacturers and specialty vendors

• Perform risk assessment, constructability reviews, and contract evaluations specific to treatment plant work

• Apply historical production rates and project data to labor and equipment planning

• Evaluate alternative construction methods and sequencing to optimize cost and schedule

• Review and incorporate permitting, environmental compliance, DBE, and regulatory requirements into estimates

• Solicit, analyze, and level subcontractor pricing for treatment-specific scopes

• Prepare final estimates, pricing strategies, contingencies, and bid packages

• Support buyout planning and turnover to operations after award

• Serve as a technical estimating resource and mentor within the estimating team

Southland Holdings is an Equal Opportunity Employer – M/F/D/V