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Mechanical Estimator- Process Piping
Job in
Charleston, Charleston County, South Carolina, 29408, USA
Listed on 2026-08-02
Listing for:
mullins
Full Time
position Listed on 2026-08-02
Job specializations:
-
Engineering
Mechanical Engineer, Estimator
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
- 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
- Building Connected / 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
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