Estimator I Mechanical/Structural

Loenbro; Westminster (CO); On-site; USD 90,000 - 105,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) with company match

Paid time off and holiday pay

Life and disability insurance

Professional development and training

Employee assistance program

Job summary

Loenbro in Westminster, CO is seeking an Estimator I to develop estimate components under defined direction and while learning Loenbro estimating standards, systems, and cost-development methods. This role performs quantity takeoffs, compiles pricing, organizes quotations, identifies scope concerns, and maintains complete estimate documentation.

The position emphasizes learning, collaboration with project teams, and meeting deadlines through bid processes.

Qualifications

• Strong foundation in mechanical, structural, and light civil construction.
• Ability to perform quantity takeoffs and estimate self-performed scopes.
• Familiarity with estimating, takeoff, CRM, and document-management systems.

Responsibilities

• Perform quantity takeoffs and develop assigned scope in accordance with bid documents and work breakdown requirements.
• Compile labor, material, equipment, subcontract, and indirect-cost inputs using approved sources and methods.
• Solicit and organize vendor and subcontractor quotations; document coverage, qualifications, and missing information.
• Identify scope gaps, design discrepancies, commercial concerns, and project risks for senior review.
• Maintain estimate files, assumptions, clarifications, exclusions, and supporting documentation.
• Meet assigned deadlines and participate in estimate reviews, site visits, pre-bid meetings, and turnover activities.
• Use approved estimating, takeoff, CRM, and document-management systems accurately.
• Apply review feedback and demonstrate measurable growth toward independent estimate execution.

Skills

Read construction drawings

Microsoft Office proficiency

Communication & teamwork

Education

Associate or Bachelor's degree in Construction Management/Engineering

Equivalent experience

Tools

Accubid

HeavyBid

PlanSwift

Bluebeam

Salesforce

Job description

Job Title: Estimator I

Company: Loenbro, LLC
Business Unit/Department: Loenbro Industrial Construction
Location: As Assigned
Reports to: Chief Estimator
Employment Type: Full Time
FLSA Classification: Exempt

About Loenbro

Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries, and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Our expertise lies in simplifying the complex and establishing long-standing relationships with our partners. We have a national presence but a local approach—every customer benefits from our capabilities and our care.

At Loenbro, we don’t just offer jobs—we build careers grounded in integrity, teamwork, excellence, and purpose. Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.

Job Summary

The Estimator I develops assigned estimate components and scopes under defined direction while learning Loenbro estimating standards, systems, and cost-development methods. This role performs quantity takeoffs, compiles pricing, organizes quotations, identifies scope concerns, and maintains complete estimate documentation. Project value is a planning guide rather than a classification gate; assignment complexity, risk, scope definition, and required independence govern the work assigned.

Essential Job Responsibilities

• Perform quantity takeoffs and develop assigned scope in accordance with bid documents and work breakdown requirements.
• Compile labor, material, equipment, subcontract, and indirect-cost inputs using approved sources and methods.
• Solicit and organize vendor and subcontractor quotations; document coverage, qualifications, and missing information.
• Identify scope gaps, design discrepancies, commercial concerns, and project risks for senior review.
• Maintain estimate files, assumptions, clarifications, exclusions, and supporting documentation.
• Meet assigned deadlines and participate in estimate reviews, site visits, pre-bid meetings, and turnover activities.
• Use approved estimating, takeoff, CRM, and document-management systems accurately.
• Apply review feedback and demonstrate measurable growth toward independent estimate execution.

Minimum Qualifications

Required

• 0–2 years of relevant estimating, construction, engineering, field, or related technical experience; entry-level candidates with applicable education or training may be considered.
• Foundational knowledge of mechanical, structural, and light civil construction, including construction documents, quantities, labor, materials, and equipment.
• Experience or developing knowledge in self-perform estimating, including labor, materials, equipment, production rates, and crew requirements.
• Ability to read and interpret construction drawings and specifications related to:
  • Concrete and structural construction
  • Structural steel installation
  • Process piping
  • Process engineering and related industrial systems
  • Light civil/site work
• Ability to perform accurate quantity takeoffs and develop estimates for self-performed scopes.
• Ability to communicate clearly, organize information, collaborate with project teams, and meet deadlines.
• Proficiency with Microsoft Office and ability to learn required estimating, takeoff, CRM, and document-management systems.
• Ability to travel periodically to offices, client locations, and project sites.
• Valid driver’s license and insurability when driving is required.

Preferred

• Associate or bachelor’s degree in construction management, engineering, or a related field, or equivalent experience.
• Experience with Accubid, HeavyBid, Salesforce, PlanSwift, Bluebeam, or comparable systems.

Potential Hazards

• Potential exposure to extreme cold and hot temperatures
• Exposure to manufacturing, pipeline, and refining environment
• Exposure to noise above 85 decibels and intense odors
• Exposure to areas with limited visibility

Physical Demands and Work Environment

• Climbing up and down stairs and ladders to both get in and out of trenches and up to elevated platforms, including scaffolding at significant heights
• Lifting necessary equipment and materials 1–50 pounds, 50% of the time on a monthly basis for required tasks
• Potential or periodic requirements may include the following:
  • Walking on uneven terrain, with an average of 2 miles per day
  • Standing
  • Sitting, stooping, crawling, and kneeling
  • Use of respirator if position requires
  • Driving if required to travel
• If driving is required, a valid driver’s license and proof of insurability are required. All drivers are subject to a DMV background records search.

Benefits

Loenbro offers a competitive salary, comprehensive benefits package, and rewards to those who join our team:

• Medical, dental, and vision insurance
• 401(k) retirement plan with company match
• Paid time off (PTO) and holiday pay
• Life and disability insurance
• Professional development and training opportunities
• Employee assistance program (EAP)

Benefits eligibility may vary based on employment classification and hours worked.

Core Values (LEAD)

• Living with Integrity
• Exceeding Expectations
• Acting with Urgency
• Delivering Excellence

…we want to hear from you.

Loenbro is an Equal Opportunity Employer. This job will remain open until filled.

Colorado Pay Range

$90,000 – $105,000 USD