Senior Estimator- UMI

Company: Loenbro, LLC
Business Unit/Department: UMI
Location: Gilbert, AZ / On-site
Reports to: Chief Estimator UMI
Employment Type: Full-Time
FLSA Classification: Exempt

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.

The UMI Senior Estimator operates with minimal oversight and is responsible for leading accurate and competitive cost estimates. Desired estimating experience includes underground utilities, earthwork, concrete in civil infrastructure projects. A successful candidate has experience performing detailed quantity takeoffs and understanding project plans, specifications, labor requirements, materials, equipment, subcontractor pricing, and production rates to develop comprehensive project estimates and proposals. The Estimator works closely with operations, project management, clients, vendors, and subcontractors to ensure bids are complete, competitive, and aligned with company objectives.

• Review project plans, drawings, specifications, bid documents, and contracts.
• Prepare detailed quantity takeoffs for labor, materials, equipment, and subcontracted work.
• Prepare cost estimates with minimal oversight.
• Solicit and evaluate vendor and subcontractor quotations.
• Analyze labor productivity, equipment requirements, and production rates.
• Identify project risks, constructability concerns, and potential cost impacts.
• Collaborate with project managers, superintendents, and field personnel to develop project execution strategies.
• Prepare bid summaries, estimate reviews, and proposal packages.
• Attend pre-bid meetings, site visits, and project walkthroughs as required.
• Assist with value engineering and alternative construction methods to improve project competitiveness.
• Ensure all estimates comply with company procedures and client requirements.
• Participate in bid review meetings and present estimating recommendations to management.

• Minimum 3-5 years in applicable experience. Estimating or operations.
• Strong understanding of underground utilities means and methods and workflow. Including equipment selection, trench shoring, backfill methods and materials.
• Perform detailed quantity take-offs.
• Ability to read and interpret construction drawings, specifications, and geotechnical reports.
• Proficiency in Microsoft Office Suite, Outlook and Excel.
• Experience with estimating software such as HCSS Heavy Bid, Bluebeam, or similar platforms.
• Strong mathematical, analytical, and problem-solving skills.
• Excellent organization, attention to detail and superior communication skills.
• Valid driver's license with an acceptable driving record.

• Associate’s or Bachelor’s degree in Construction Management, Civil Engineering or a related field.
• Self-perform civil experience is strongly desired.
• Experience estimating civil - earthwork, concrete, roadway reconstruction.
• Knowledge of DOT, municipal, utility, and project requirements.

• Quantity takeoff and cost…