Senior Process Mechanical Estimator

The Haskell Company•St. Louis, MO

About The Position

The Process Mechanical Estimator is responsible for developing accurate, comprehensive cost estimates for water and wastewater treatment facilities, as well as industrial water new construction projects. This role involves analyzing project drawings, specifications, and technical requirements to produce detailed quantity takeoffs for mechanical systems and process equipment. Your responsibilities will include: Evaluate P&IDs, mechanical equipment schedules, process piping layouts, and construction sequencing Develop project budgets and competitive bid proposals Perform risk assessments and identify potential cost or schedule impacts Support value‑engineering efforts to optimize project performance and cost Apply strong technical knowledge of process mechanical systems, including pumps, piping, valves, chemical feed systems, aeration, grit removal, and other treatment equipment Utilize estimating software and construction methodologies to produce accurate, detailed estimates Communicate effectively with internal teams, subcontractors, and clients Maintain strong organizational and analytical practices to ensure thorough and accurate project documentation Review and interpret construction documents, including P&IDs, mechanical drawings, specifications, and equipment schedules for water/wastewater treatment projects and/or industrial water projects. Perform detailed quantity takeoffs for process mechanical systems (pumps, piping, valves, chemical feed, aeration, tanks, basins, etc.). Develop accurate material, labor, and equipment cost estimates for new‑construction treatment facilities and major process upgrades. Solicit, scope, and evaluate subcontractor and vendor proposals to ensure alignment with project requirements. Prepare complete bid packages, including pricing summaries, clarifications, exclusions, and risk assessments. Participate in constructability reviews and collaborate with engineering, operations, and project management to ensure accurate assumptions. Support value‑engineering efforts by identifying cost‑saving alternatives without compromising design intent or performance. Maintain up‑to‑date knowledge of industry pricing, market conditions, and mechanical installation methodology. Track historical cost data to support continuous improvement of estimating accuracy. Assist preconstruction and project teams during handoff, procurement, and early planning phases as needed. Developing accurate, detailed electrical construction cost estimates at progressive design stages Developing associated scope of work clarifications Identifying risk items and associated order of magnitude Assisting with Preconstruction resource management Assisting with the development and utilization of the Preconstruction processes, standards and tools Assisting the Pricing Lead and participates in estimate review meetings Contributing to cost savings exercises Assisting with the development of bid packages Assisting with the project construction budget Assisting with Preconstruction-Operations Turnover Meetings Assisting with Subcontractor and Vendor relationships Assisting with project procurement and buyout Collaborating with Preconstruction Leadership Collaborating with designers and clients Collaborating and assists the project operations team Following project construction costs and market trends Participating in Preconstruction software development, maintenance and historical costs Leading and training Estimating personnel Traveling as required, 10% - 20% Other duties which may be assigned as needed

Requirements

Bachelor of Science Degree in Engineering, Construction Management or accredited construction-related curriculum
A minimum of 5 years of estimating experience preferred or 15 years of relevant experience in the construction industry
Professional experience estimating process mechanical scopes for water/wastewater treatment facility construction and/or industrial water projects
Working knowledge of treatment processes and major equipment types, including clarifiers, blowers, pumps, chemical feed systems, aeration, and solids handling
Ability to read, interpret, and analyze complex mechanical and process design documents
Proficiency with construction estimating software and Excel-based estimating tools
Strong understanding of construction means and methods for mechanical installation, including rigging, piping, equipment setting, and startup requirements
Excellent analytical, mathematical, and problem-solving skills
Strong communication skills for coordinating with vendors, subcontractors, engineers, and internal teams
Experience with Design-Build and CMAR (Construction Manager at Risk) project delivery methods
Proven computer proficiency, including Microsoft Office applications

Nice To Haves

Experience with Revit and Navisworks preferred

Responsibilities

Evaluate P&IDs, mechanical equipment schedules, process piping layouts, and construction sequencing
Develop project budgets and competitive bid proposals
Perform risk assessments and identify potential cost or schedule impacts
Support value‑engineering efforts to optimize project performance and cost
Apply strong technical knowledge of process mechanical systems, including pumps, piping, valves, chemical feed systems, aeration, grit removal, and other treatment equipment
Utilize estimating software and construction methodologies to produce accurate, detailed estimates
Communicate effectively with internal teams, subcontractors, and clients
Maintain strong organizational and analytical practices to ensure thorough and accurate project documentation
Review and interpret construction documents, including P&IDs, mechanical drawings, specifications, and equipment schedules for water/wastewater treatment projects and/or industrial water projects.
Perform detailed quantity takeoffs for process mechanical systems (pumps, piping, valves, chemical feed, aeration, tanks, basins, etc.).
Develop accurate material, labor, and equipment cost estimates for new‑construction treatment facilities and major process upgrades.
Solicit, scope, and evaluate subcontractor and vendor proposals to ensure alignment with project requirements.
Prepare complete bid packages, including pricing summaries, clarifications, exclusions, and risk assessments.
Participate in constructability reviews and collaborate with engineering, operations, and project management to ensure accurate assumptions.
Support value‑engineering efforts by identifying cost‑saving alternatives without compromising design intent or performance.
Maintain up‑to‑date knowledge of industry pricing, market conditions, and mechanical installation methodology.
Track historical cost data to support continuous improvement of estimating accuracy.
Assist preconstruction and project teams during handoff, procurement, and early planning phases as needed.
Developing accurate, detailed electrical construction cost estimates at progressive design stages
Developing associated scope of work clarifications
Identifying risk items and associated order of magnitude
Assisting with Preconstruction resource management
Assisting with the development and utilization of the Preconstruction processes, standards and tools
Assisting the Pricing Lead and participates in estimate review meetings
Contributing to cost savings exercises
Assisting with the development of bid packages
Assisting with the project construction budget
Assisting with Preconstruction-Operations Turnover Meetings
Assisting with Subcontractor and Vendor relationships
Assisting with project procurement and buyout
Collaborating with Preconstruction Leadership
Collaborating with designers and clients
Collaborating and assists the project operations team
Following project construction costs and market trends
Participating in Preconstruction software development, maintenance and historical costs
Leading and training Estimating personnel
Traveling as required, 10% - 20%
Other duties which may be assigned as needed

Benefits

At Haskell, we offer a comprehensive benefits package, including health insurance, retirement plans, professional development opportunities, and more.

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