Senior Estimator - Piping, Mechanical & Turnaround Projects

Ohmstede Industrial Services, Inc.; Deer Park (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

Ohmstede Industrial Services, Inc. seeks a Senior Estimator to prepare detailed estimates for piping, mechanical, and industrial turnaround projects.

You will work with planning, scheduling, engineering, and project management teams to develop competitive proposals. The ideal candidate has deep industry knowledge, strong analytical skills, and experience supporting bid development, resource forecasting, and execution planning.

Qualifications

• 5+ years of experience in industrial estimating for piping, mechanical, and turnaround projects.
• Background in construction management, planning or scheduling preferred.
• Strong knowledge of refinery, petrochemical, and heavy industrial facilities.

Responsibilities

• Develop detailed cost estimates for piping, mechanical, and turnaround projects, including labor, materials, equipment, and subcontractor costs.
• Interpret project specifications, drawings, and scope documents to identify cost drivers, risks, and opportunities.
• Prepare quantity takeoffs for piping systems, mechanical equipment, structural components, and related work scopes.
• Validate pricing using historical data, industry benchmarks, and vendor/subcontractor quotations.
• Produce multi-discipline estimates (conceptual, budgetary, and final bid-level).
• Coordinate with procurement, engineering, construction, and field teams to ensure thorough and accurate estimate development.
• Support negotiation and award processes by providing cost breakdowns and justification.

Skills

Estimating experience

Industrial estimating

Piping & mechanical

Turnaround projects

Vendor quotations

Tools

Estimating software

Microsoft Word

Microsoft Excel

Project management tools

Job description

Ohmstede Industrial Services, Inc. seeks a Senior Estimator to prepare detailed estimates for piping, mechanical, and industrial turnaround projects.

You will work with planning, scheduling, engineering, and project management teams to develop competitive proposals. The ideal candidate has deep industry knowledge, strong analytical skills, and experience supporting bid development, resource forecasting, and execution planning.