Onsite Mechanical Estimator for Large-Scale Airport Projects

Aguirre Project Resources LLC; United States; On-site; USD 85,000 - 120,000; Full time

Job summary

Aguirre Project Resources LLC (APR) seeks an experienced mechanical estimator to develop estimates for HVAC, plumbing, fire suppression, and related systems for large-scale projects at DFW and other sites. You will interpret drawings, build-up costs, and coordinate with civil, architectural, and electrical teams to ensure accurate, supportable pricing.

The role requires 4–12 years of estimating experience, proficiency with Excel and digital takeoff, and the ability to learn Cont-ruent and client

Qualifications

• 4 to 12 years of relevant estimating experience, or equivalent mechanical contracting experience with demonstrated takeoff and pricing responsibility.
• Working command of at least two of HVAC, plumbing, fire suppression, or piping utilities; ability to develop remaining areas with guidance.
• Ability to interpret drawings, schedules, risers, and specifications; estimate from incomplete information; and communicate a defensible scope and pricing basis.
• Proficiency with Excel, digital takeoff, and a recognized estimating platform. Ability to learn Contruent and client-required systems; training provided as appropriate.

Responsibilities

• Prepare quantity takeoffs and installed-cost estimates for HVAC, plumbing, fire suppression, building automation, and assigned wet and thermal utility systems using drawings, models, specifications, and narratives.
• Develop conceptual estimates using system assemblies, historical benchmarks, and documented assumptions; identify missing scope and information needed to improve confidence.
• Price labor, materials, construction equipment, subcontract work, and applicable indirect costs. Obtain and evaluate supplier and specialty quotations.
• Account for demolition, make-safe work, temporary services, access restrictions, escorts, outages, phasing, premium time, productivity, escalation, and procurement conditions.
• Include insulation, supports, vibration isolation, controls integration, testing, adjusting and balancing, startup, commissioning support, training, and turnover as applicable.
• Write the basis of estimate, including pricing date, methods, sources, assumptions, exclusions, allowances, and risk provisions. Maintain traceable quantities and pricing.
• Participate in estimate reconciliation; explain differences and coordinate excavation, restoration, equipment connections, controls, and other interfaces with civil, architectural, structural, and electrical staff.
• Use APR and client estimating platforms; contribute cost data and assemblies. Follow technical review, confidentiality, data-security, and AI-governance requirements, verifying AI-assisted work.

Skills

HVAC estimating

Plumbing estimating

Fire suppression estimating

Piping utilities estimating

Interpreting drawings

Education

Relevant degree or equivalent experience

Tools

Excel

Digital takeoff

Estimating platform

Contruent

Job description

Aguirre Project Resources LLC (APR) seeks an experienced mechanical estimator to develop estimates for HVAC, plumbing, fire suppression, and related systems for large-scale projects at DFW and other sites. You will interpret drawings, build-up costs, and coordinate with civil, architectural, and electrical teams to ensure accurate, supportable pricing.

The role requires 4–12 years of estimating experience, proficiency with Excel and digital takeoff, and the ability to learn Cont-ruent and client