Mechanical Estimator

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

Dallas Fort Worth International Airport | Full time | On site

Employer: Aguirre Project Resources LLC (APR) Reports to: Designated APR Estimating Manager or Program Lead

About APR and the role

APR provides independent cost estimating and advisory services for complex capital projects. This position develops mechanical estimates for DFW terminal renovations, new facilities, central utility plants, and supporting infrastructure, from early concepts through detailed design and GMP reconciliation. Assignments reflect demonstrated capability, with senior technical review and specialist support as needed.

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.

Required 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.

Preferred qualifications

Central utility plant, large-facility HVAC, occupied-facility, or aviation experience; BIM quantity validation; conceptual cost modeling; AACE CEP or CCP, ASPE CPE, or Mechanical PE. Relevant field backgrounds are welcome. A degree is helpful; equivalent practical experience is valued.

Work environment

Work on site at DFW Airport; obtain and maintain the airport credentials, including SIDA badging, required for assigned duties. Participate in field walks using required PPE. Coordinate schedules with project deadlines and airport operations; occasional work outside normal hours may be needed.