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Mechanical Estimator- Process Piping

Job in Charleston, Charleston County, South Carolina, 29408, USA
Listing for: mullins
Full Time position
Listed on 2026-08-02
Job specializations:
  • Engineering
    Mechanical Engineer, Estimator
Salary/Wage Range or Industry Benchmark: 120000 - 180000 USD Yearly USD 120000.00 180000.00 YEAR
Job Description & How to Apply Below

Senior Mechanical Estimator – Industrial Process Piping Experience & Background

  • 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
Technical Piping Knowledge
  • 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
Estimating Systems & Tools
  • Proficiency with estimating and take-off platforms such as:
    • Trimble Autobid, or equivalent on-screen takeoff software
    • Bluebeam
    • Building Connected / Trade Tapp
  • Ability to interpret 3D models (Navisworks, etc.) preferred
Commercial & Risk Management
  • 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
Remote Work Capability & Distributed Team Collaboration
  • 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
Leadership & Collaboration
  • 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
Safety & Quality
  • 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
Key Attributes
  • 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
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