Senior Mechanical and Piping Estimator - Industrial EPC

Ilocatum; Houston (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

Ilocatum is seeking a Sr. Estimator (Mechanical/Civil/Structural) to support large-scale EPC and data center projects from our Houston-area office. This on-site role requires deep knowledge of piping, mechanical systems, and cost control.

You will develop detailed estimates, perform quantity takeoffs, review drawings, and collaborate with project teams. Expect minimal travel, 40-45 hour weeks, and strong emphasis on accuracy and schedule integration.

Qualifications

• 10+ years of estimating experience in industrial construction.
• Ability to interpret P&IDs, isometrics, and drawings.
• Experience with EPC or design-build delivery is preferred.
• Strong analytical, organizational, and communication skills.
• Proficient with cost control and value engineering.

Responsibilities

• Prepare detailed cost estimates for civil, structural, and mechanical scopes.
• Perform quantity takeoffs and price labor, material, and equipment.
• Review drawings and specifications for accuracy.
• Collaborate with project management, engineering, and construction teams.
• Develop pricing for lump sum, unit rate, and time-and-materials proposals.
• Develop construction schedules in Microsoft Project.
• Analyze subcontractor quotes and ensure estimating standards.
• Support bid reviews, reconciliations, and post-bid handoffs.
• Maintain estimating databases and historical cost data.

Skills

Estimating

Analytical skills

Organizational skills

Communication skills

Team collaboration

Education

Bachelor's degree in Construction Management/Engineering or related field

10 years experience in lieu of degree

Tools

Trimble Accubid

Microsoft Excel

Microsoft Project

Job description

Sr. Estimator (Mechanical/Civil/Structural) - Industrial EPC & Data Center Construction

Location: Channelview, TX

Fully onsite. 40-45 hours week M-F. Minimal travel.

About this Role

Position Overview

We are seeking an experienced Sr. Estimator (Mechanical/Civil/Structural) to join our team in Houston, TX to support a growing portfolio of large-scale construction projects, primarily within the rapidly expanding data center market. Additional projects span the chemical, petrochemical, oil and gas, and other heavy industrial sectors.

The Senior Estimator will play a key role in developing accurate, competitive cost estimates for EPC and design-build projects. This position requires a deep understanding of industrial construction methods, material takeoffs, labor productivity, and cost controls.

What You'll Do

• Prepare detailed cost estimates for civil, structural, and mechanical construction scopes, with primary emphasis on piping and mechanical systems
• Perform quantity takeoffs and develop labor, material, and equipment pricing using Trimble Accubid and Microsoft Excel
• Review drawings, specifications, and scope documents to ensure accurate and complete estimates
• Collaborate with project management, engineering, and construction teams to validate assumptions and execution strategies
• Develop pricing for lump sum, unit rate, and time-and-materials proposals
• Develop construction schedules in Microsoft Project
• Analyze subcontractor and vendor quotes, ensuring alignment with project scope and estimating standards
• Identify project risks, exclusions, and value-engineering opportunities
• Support bid reviews, estimate reconciliations, and post-bid handoff meetings
• Maintain estimating databases, historical cost data, and productivity benchmarks

What You'll Bring

• Bachelor's degree in Construction Management, Engineering, or related field. OR 10 years experience in lieu of degree.
• 10+ years of estimating experience in industrial construction, with a strong focus on mechanical/piping scopes
• Strong working knowledge of civil and structural construction methods and cost drivers
• Advanced proficiency with Trimble Accubid and Microsoft Excel
• Ability to interpret P&IDs, isometrics, civil drawings, and structural plans
• Strong analytical, organizational, and communication skills
• Experience supporting EPC or design-build project delivery models, preferred
• Minimal travel for pre-bid site visits.