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Mechanical Estimator: Multi-trade Modular - FabLogix

Job in Duncan, Stephens County, Oklahoma, 73533, USA
Listing for: Kelso Industries
Full Time, Seasonal/Temporary position
Listed on 2026-08-24
Job specializations:
  • Engineering
    Mechanical Engineer, Estimator
Salary/Wage Range or Industry Benchmark: 90000 - 130000 USD Yearly USD 90000.00 130000.00 YEAR
Job Description & How to Apply Below

Together We Build – Partnership, Innovation, Excellence, and Safety

At Kelso Industries, 4,000+ employees across 40+ companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a team where innovation, excellence, and safety come first.

Job Title: Mechanical Estimator –Multi-trade Modular

Location: Duncan, SC or open to Hybrid remote

Job Type: Full-time

Job Summary: We are seeking an experienced and dynamic Mechanical Estimator responsible for preparing accurate, timely, and competitive cost estimates for industrial pipe fabrication projects, specifically, multi-trade modular assemblies and associated structural steel. This role supports industrial clients across markets such as pharmaceutical, chemical, data centers, food & beverage, and advanced manufacturing.

The ideal candidate is highly skilled in model-based take-offs, understands fabrication-driven estimating, and can collaborate effectively with engineering, operations, and project teams to develop executable scopes and pricing.

Key Responsibilities Estimating & Preconstruction
  • Prepare detailed estimates for:
    • Multi-trade modular assemblies (pipe, structural steel, supports, equipment integration)
    • Structural steel associated with pipe racks, skids, and modules
  • Perform quantity take-offs using:
    • Model-based take-offs from Navisworks
    • Orthographic drawings
    • Isometric drawings
  • Develop labor, material, equipment, and subcontractor pricing aligned with fabrication and modular execution strategies
  • Evaluate constructability, fabrication sequencing, and modularization opportunities during the estimating phase
Model & Drawing Review
  • Navigate federated models to identify scope, extract quantities and validate model data against drawings and specifications
  • Coordinate with engineering to resolve discrepancies between models, isometrics, and orthographic views
Cost Development & Risk Assessment
  • Apply current market material cost data and production rates specific to shop fabrication and modular assembly
  • Solicit and evaluate vendor and subcontractor quotes for pricing and availability
  • Ensure compliance with industry standards, codes, and safety regulations
  • Identify project risks, assumptions, exclusions, and clarifications
  • Develop pricing narratives and scope summaries to support proposal submissions
  • Participate in internal estimate reviews and handoffs to project management
Collaboration & Client Support
  • Support business development and client pursuits with conceptual, budgetary, and detailed estimates
  • Participate in scope alignment meetings with mechanical contractors, EPCs, and owners
  • Assist in post-award estimate validation and turnover to operations
  • Assist with procurement of material post-award
Qualifications & Skills Technical Skills
  • Strong experience with:
    • Model-based quantity take-offs using Navisworks
    • Orthographic and isometric piping take-offs
  • Solid understanding of:
    • Industrial pipe fabrication processes
    • Modular construction principles
    • Structural steel fabrication and erection interfaces
  • Familiarity with piping specifications, material grades, welding requirements, and QA/QC impacts on cost
  • Proficiency in estimating software, Excel, and digital take-off tools (e.g., AutoCAD, MS Excel, Navisworks).
Experience
  • 5+ years of estimating experience in:
    • Pipe fabrication, mechanical contracting, or industrial construction
    • Modular or prefabricated systems (preferred)
  • Experience estimating work for industrial clients such as pharma, chemical, data center, or manufacturing facilities
Professional Attributes
  • Detail-oriented with strong analytical and organizational skills
  • Ability to interpret incomplete or evolving design documents
  • Strong communication skills for cross-functional and client-facing collaboration
  • Practical, execution-focused mindset aligned with fabrication-driven delivery
Success Metrics
  • Accuracy of estimates versus actual fabrication and modular execution costs
  • Timeliness and completeness of estimate deliverables
  • Quality of scope definition, assumptions, and risk identification
  • Positive feedback from operations, engineering, and project teams during handoff
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