Estimator I Mechanical/Structural

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.

Guided by Core Values (LEAD) , grounded in grit and a commitment to excellence , Loenbro betters our families, customers, and local communities. If you’re ready to be part of a company that LEADS by:

- L iving with Integrity

- E xceeding Expectations

- A cting with Urgency

- D elivering 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