Ohmstede Industrial Services, Inc. Job Template - Sr. Estimator
Ohmstede Industrial Services, Inc.
Deer Park, Texas

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. #ois
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.
Estimating & Cost Development
Systems & Tools
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- 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.
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