Ohmstede Industrial Services, Inc. Job Template - Sr. Estimator

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

About Us

We offer fully integrated field services including management and execution of turnarounds, specialty maintenance, nested maintenance, and small capital projects. Our values, culture, and mindset are to complete each project safely, per specification, within budget, and on schedule.

Job Summary

Ohmstede Industrial Services is a leader in industrial field services. We are committed to operational excellence, safety, and providing outstanding service to our customers. We are seeking a Senior Estimator to join our team.The Senior Estimator is responsible for preparing accurate, detailed cost estimates for piping, mechanical, and turnaround projects. This role requires deep industry knowledge, strong analytical capability, and the ability to collaborate with planning, scheduling, engineering, and project management teams. The Senior Estimator will support bid development, resource forecasting, and execution planning to ensure competitive and reliable proposals.

Essential Duties & Responsibilities

Estimating & Cost Development

• Develop detailed cost estimates for piping, mechanical, and industrial 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).

• Identify potential cost risks, constraints, and assumptions, providing mitigation strategies where applicable.
• Analyze estimate variances and contribute to lessons-learned activities for continuous improvement.

• Participate in proposal reviews, bid clarifications, and client-facing presentations.
• 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.

Systems & Tools

• Utilize estimating software, spreadsheets, and project management tools to prepare and maintain estimates.
• Maintain standardized estimating templates and databases.
• Ensure estimates comply with company standards, industry codes, and project requirements.

Qualifications

• 5+ years of experience in industrial estimating or equivalent experience, in piping, mechanical, and turnaround environments.
• Background in construction management, Planning or scheduling preferred.
• Strong knowledge of refinery, petrochemical, and/or heavy industrial facilities.
• Experience with turnaround planning and scheduling processes.

Skills and Competencies

• Advanced understanding of piping and mechanical systems, codes, materials, and construction methods.
• High attention to detail and ability to manage multiple priorities under tight deadlines.
• Strong analytical, mathematical, and problem‑solving abilities.
• Ability to interpret engineering drawings, P&IDs, isometrics, and work packages.
• Strong proficiency in estimating software Microsoft Word and Microsoft Excel.
• Strong communication and interpersonal skills, with the ability to interact effectively with stakeholders at all levels.

Key Attributes

• Accuracy‑driven with a commitment to high-quality work.

Equal Opportunity Employer

As a leading provider of mechanicaland electrical construction, facilities services, and energy infrastructure,we offer employess a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and sucess. Equal Oppurtunity Employer/Veterans/Disabled.

Affirmative Action Policy

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