Mechanical Estimator – Process Piping

Mullins Mechanical

Mechanical Estimator overseeing self-performed mechanical and piping scopes across various regions. Specializing in industrial markets such as chemical, refining, power generation, and food processing.

Posted 6/24/2026full-timeRemote • Alabama, Florida, Kentucky, Mississippi, South Carolina, Tennessee, Virginia • 🇺🇸 United StatesMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Proven experience estimating self-performed mechanical and piping scopes across multiple US Regions in industrial markets such as: Chemical and petrochemical, Refining and midstream, Power generation, Food & beverage and sanitary process systems, Pharmaceutical, biotech, and advanced manufacturing.
Strong background estimating: Greenfield and brownfield projects, Plant expansions, revamps, and live-plant work, Shutdowns and short-duration industrial outages.
Experience supporting Design-Bid-Build, Design-Build, EPC, and negotiated project delivery methods.
Expert knowledge of industrial piping systems, including: Carbon steel, stainless steel, chrome/moly, alloy steels, Sanitary and hygienic piping systems, Plastic and lined piping (PVC, CPVC, HDPE, FRP).
Strong understanding of: Piping fabrication vs. field erection tradeoffs, Weld processes, NDE, and documentation requirements, Pipe supports, specialty valves, and packaged equipment tie-ins.
Perform accurate quantity take-offs from P&IDs, isometrics, layouts, and specifications for projects located in multiple states.
Incorporate constructability, congestion, and sequencing impacts into labor productivity.
Proficiency with estimating and take-off platforms such as: Trimble Autobid, or equivalent on-screen takeoff software, Bluebeam, BuildingConnected / Trade Tapp.
Ability to interpret 3D models (Navisworks, etc.) preferred.
Strong understanding of contract structures, including: Lump sum, GMP, Unit rate and T&M.
Ability to identify and quantify labor-driven risks such as: Productivity loss, Staffing constraints, Schedule compression, Owner-driven operational restrictions.
Prepare detailed: Estimate narratives, Labor assumptions and productivity basis, Exclusions, clarifications, and contingency recommendations.
Participate in internal risk reviews and executive pricing approvals for projects occurring simultaneously in different states.
Highly effective working in a remote or hybrid estimating environment, maintaining productivity, accuracy, and schedule adherence without direct onsite supervision.
Experienced collaborating with geographically distributed teams of estimators, operations leaders, and project stakeholders using virtual meeting platforms and shared estimating systems.
Comfortable leading or contributing to estimates across multiple regions while ensuring consistency in labor assumptions, pricing strategy, and risk posture.
Capable of supporting limited travel requirements for: Site walks and constructability reviews, Pre-bid meetings and client presentations, Key project kickoff or risk review milestones.
Travel availability aligned with monthly to quarterly needs, depending on project requirements.
Lead estimating efforts for self-performed mechanical piping scopes.
Mentor junior estimators and take-off staff.
Coordinate closely with: Operations and field leadership, Project management, Engineering and procurement.
Support preconstruction meetings, site walks, and client presentations.
Strong knowledge of OSHA requirements and industrial safety best practices.
Experience incorporating site-specific safety programs into labor and cost models.
Understanding of QA/QC requirements related to piping fabrication and installation.
Highly analytical with a strong command of labor cost drivers.
Detail-oriented with excellent organizational skills.
Clear communicator capable of defending estimates internally and externally.
Comfortable operating in fast-paced, competitive environments.

Requirements

What you’ll need

Proven experience estimating self-performed mechanical and piping scopes across multiple US Regions in industrial markets such as: Chemical and petrochemical, Refining and midstream, Power generation, Food & beverage and sanitary process systems, Pharmaceutical, biotech, and advanced manufacturing.
Strong background estimating: Greenfield and brownfield projects, Plant expansions, revamps, and live-plant work, Shutdowns and short-duration industrial outages.
Experience supporting Design-Bid-Build, Design-Build, EPC, and negotiated project delivery methods.
Expert knowledge of industrial piping systems, including: Carbon steel, stainless steel, chrome/moly, alloy steels, Sanitary and hygienic piping systems, Plastic and lined piping (PVC, CPVC, HDPE, FRP).
Strong understanding of: Piping fabrication vs. field erection tradeoffs, Weld processes, NDE, and documentation requirements, Pipe supports, specialty valves, and packaged equipment tie-ins.
Perform accurate quantity take-offs from P&IDs, isometrics, layouts, and specifications for projects located in multiple states.
Incorporate constructability, congestion, and sequencing impacts into labor productivity.
Proficiency with estimating and take-off platforms such as: Trimble Autobid, or equivalent on-screen takeoff software, Bluebeam, BuildingConnected / Trade Tapp.
Ability to interpret 3D models (Navisworks, etc.) preferred.
Strong understanding of contract structures, including: Lump sum, GMP, Unit rate and T&M.
Ability to identify and quantify labor-driven risks such as: Productivity loss, Staffing constraints, Schedule compression, Owner-driven operational restrictions.
Prepare detailed: Estimate narratives, Labor assumptions and productivity basis, Exclusions, clarifications, and contingency recommendations.
Participate in internal risk reviews and executive pricing approvals for projects occurring simultaneously in different states.
Highly effective working in a remote or hybrid estimating environment, maintaining productivity, accuracy, and schedule adherence without direct onsite supervision.
Experienced collaborating with geographically distributed teams of estimators, operations leaders, and project stakeholders using virtual meeting platforms and shared estimating systems.
Comfortable leading or contributing to estimates across multiple regions while ensuring consistency in labor assumptions, pricing strategy, and risk posture.
Capable of supporting limited travel requirements for: Site walks and constructability reviews, Pre-bid meetings and client presentations, Key project kickoff or risk review milestones.
Travel availability aligned with monthly to quarterly needs, depending on project requirements.
Lead estimating efforts for self-performed mechanical piping scopes.
Mentor junior estimators and take-off staff.
Coordinate closely with: Operations and field leadership, Project management, Engineering and procurement.
Support preconstruction meetings, site walks, and client presentations.
Strong knowledge of OSHA requirements and industrial safety best practices.
Experience incorporating site-specific safety programs into labor and cost models.
Understanding of QA/QC requirements related to piping fabrication and installation.
Highly analytical with a strong command of labor cost drivers.
Detail-oriented with excellent organizational skills.
Clear communicator capable of defending estimates internally and externally.
Comfortable operating in fast-paced, competitive environments.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Mullins Mechanical Website LinkedIn All Job Openings 51 - 200 employees Manufacturing
Construction
HVAC Mullins Mechanical is a company with extensive experience in the mechanical industry, specializing in a variety of services such as design-build applications, piping systems, HVAC, plumbing installations, boiler and chiller systems, equipment installation and rigging, metal fabrication, ASME code services, and fire protection. Their focus is on providing high-quality solutions for industrial, chemical, utility manufacturing, automotive distribution, and food and beverage sectors. With a commitment to client satisfaction and efficient project execution, Mullins Mechanical prioritizes building long-term partnerships with their clients. Mechanical Estimator – Process Piping 🔥 4 minutes ago 🏈 Alabama, Florida, +5 more states – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Proven experience estimating self-performed mechanical and piping scopes across multiple US Regions in industrial markets such as: Chemical and petrochemical, Refining and midstream, Power generation, Food & beverage and sanitary process systems, Pharmaceutical, biotech, and advanced manufacturing.
Strong background estimating: Greenfield and brownfield projects, Plant expansions, revamps, and live-plant work, Shutdowns and short-duration industrial outages.
Experience supporting Design-Bid-Build, Design-Build, EPC, and negotiated project delivery methods.
Expert knowledge of industrial piping systems, including: Carbon steel, stainless steel, chrome/moly, alloy steels, Sanitary and hygienic piping systems, Plastic and lined piping (PVC, CPVC, HDPE, FRP).
Strong understanding of: Piping fabrication vs. field erection tradeoffs, Weld processes, NDE, and documentation requirements, Pipe supports, specialty valves, and packaged equipment tie-ins.
Perform accurate quantity take-offs from P&IDs, isometrics, layouts, and specifications for projects located in multiple states.
Incorporate constructability, congestion, and sequencing impacts into labor productivity.
Proficiency with estimating and take-off platforms such as: Trimble Autobid, or equivalent on-screen takeoff software, Bluebeam, BuildingConnected / Trade Tapp.
Ability to interpret 3D models (Navisworks, etc.) preferred.
Strong understanding of contract structures, including: Lump sum, GMP, Unit rate and T&M.
Ability to identify and quantify labor-driven risks such as: Productivity loss, Staffing constraints, Schedule compression, Owner-driven operational restrictions.
Prepare detailed: Estimate narratives, Labor assumptions and productivity basis, Exclusions, clarifications, and contingency recommendations.
Participate in internal risk reviews and executive pricing approvals for projects occurring simultaneously in different states.
Highly effective working in a remote or hybrid estimating environment, maintaining productivity, accuracy, and schedule adherence without direct onsite supervision.
Experienced collaborating with geographically distributed teams of estimators, operations leaders, and project stakeholders using virtual meeting platforms and shared estimating systems.
Comfortable leading or contributing to estimates across multiple regions while ensuring consistency in labor assumptions, pricing strategy, and risk posture.
Capable of supporting limited travel requirements for: Site walks and constructability reviews, Pre-bid meetings and client presentations, Key project kickoff or risk review milestones.
Travel availability aligned with monthly to quarterly needs, depending on project requirements.
Lead estimating efforts for self-performed mechanical piping scopes.
Mentor junior estimators and take-off staff.
Coordinate closely with: Operations and field leadership, Project management, Engineering and procurement.
Support preconstruction meetings, site walks, and client presentations.
Strong knowledge of OSHA requirements and industrial safety best practices.
Experience incorporating site-specific safety programs into labor and cost models.
Understanding of QA/QC requirements related to piping fabrication and installation.
Highly analytical with a strong command of labor cost drivers.
Detail-oriented with excellent organizational skills.
Clear communicator capable of defending estimates internally and externally.
Comfortable operating in fast-paced, competitive environments. 🎯 Requirements
Proven experience estimating self-performed mechanical and piping scopes across multiple US Regions in industrial markets such as: Chemical and petrochemical, Refining and midstream, Power generation, Food & beverage and sanitary process systems, Pharmaceutical, biotech, and advanced manufacturing.
Strong background estimating: Greenfield and brownfield projects, Plant expansions, revamps, and live-plant work, Shutdowns and short-duration industrial outages.
Experience supporting Design-Bid-Build, Design-Build, EPC, and negotiated project delivery methods.
Expert knowledge of industrial piping systems, including: Carbon steel, stainless steel, chrome/moly, alloy steels, Sanitary and hygienic piping systems, Plastic and lined piping (PVC, CPVC, HDPE, FRP).
Strong understanding of: Piping fabrication vs. field erection tradeoffs, Weld processes, NDE, and documentation requirements, Pipe supports, specialty valves, and packaged equipment tie-ins.
Perform accurate quantity take-offs from P&IDs, isometrics, layouts, and specifications for projects located in multiple states.
Incorporate constructability, congestion, and sequencing impacts into labor productivity.
Proficiency with estimating and take-off platforms such as: Trimble Autobid, or equivalent on-screen takeoff software, Bluebeam, BuildingConnected / Trade Tapp.
Ability to interpret 3D models (Navisworks, etc.) preferred.
Strong understanding of contract structures, including: Lump sum, GMP, Unit rate and T&M.
Ability to identify and quantify labor-driven risks such as: Productivity loss, Staffing constraints, Schedule compression, Owner-driven operational restrictions.
Prepare detailed: Estimate narratives, Labor assumptions and productivity basis, Exclusions, clarifications, and contingency recommendations.
Participate in internal risk reviews and executive pricing approvals for projects occurring simultaneously in different states.
Highly effective working in a remote or hybrid estimating environment, maintaining productivity, accuracy, and schedule adherence without direct onsite supervision.
Experienced collaborating with geographically distributed teams of estimators, operations leaders, and project stakeholders using virtual meeting platforms and shared estimating systems.
Comfortable leading or contributing to estimates across multiple regions while ensuring consistency in labor assumptions, pricing strategy, and risk posture.
Capable of supporting limited travel requirements for: Site walks and constructability reviews, Pre-bid meetings and client presentations, Key project kickoff or risk review milestones.
Travel availability aligned with monthly to quarterly needs, depending on project requirements.
Lead estimating efforts for self-performed mechanical piping scopes.
Mentor junior estimators and take-off staff.
Coordinate closely with: Operations and field leadership, Project management, Engineering and procurement.
Support preconstruction meetings, site walks, and client presentations.
Strong knowledge of OSHA requirements and industrial safety best practices.
Experience incorporating site-specific safety programs into labor and cost models.
Understanding of QA/QC requirements related to piping fabrication and installation.
Highly analytical with a strong command of labor cost drivers.
Detail-oriented with excellent organizational skills.
Clear communicator capable of defending estimates internally and externally.
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ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

estimatingquantity take-offspiping systemspiping fabricationweld processesNDEcontract structureslabor cost driverssafety programsQA/QC requirements

Soft Skills

detail-orientedorganizational skillsclear communicatoranalyticalmentoringcollaborationleadershipremote work effectivenessproblem-solvingadaptability

Certifications

OSHA certification