Junior Estimator

Hart Mechanical Contractors Inc.; Miami (FL); On-site; USD 42,000 - 64,000; Full time

Benefits offered by this job

Medical Insurance

Vision Insurance

401(k) with Company Match

Paid Time Off

Paid Holidays

Employee Assistance Program (EAP)

Life Insurance

Job summary

Hart Mechanical Contractors Inc. in Miami, FL seeks a detail-oriented Junior Estimator to join our growing team. The role offers hands-on preconstruction experience, plan reviews, quantity takeoffs, and bid preparation for commercial mechanical projects.

The ideal candidate is analytical, organized, and eager to develop expertise in HVAC, plumbing, piping, and mechanical systems. Onsite, full-time position with strong growth potential within a collaborative team.

Qualifications

• 2 years of experience in construction, estimating, engineering, construction management, or a related field preferred.
• Ability to read and interpret construction drawings and specifications, or willingness to learn.
• Strong mathematical, analytical, and problem-solving skills.
• Excellent attention to detail and proficiency with MS Office, especially Excel.
• Ability to learn quantity takeoff and estimating software.
• Strong organizational and time management skills; effective communication and teamwork.

Responsibilities

• Review drawings, specs, and documents to understand project scope.
• Assist with quantity takeoffs for HVAC, plumbing, piping, and related systems.
• Identify material, labor, equipment, and subcontractor requirements.
• Assist in identifying scope gaps, discrepancies, and estimating risks.
• Develop understanding of mechanical construction means, methods, and standards.
• Gather, compare, and verify vendor and subcontractor pricing.
• Assist in developing preliminary project cost estimates.
• Maintain estimating databases and pricing information.
• Track labor, material, equipment, and subcontractor costs.
• Evaluate vendor/subcontractor quotations for completeness and competitiveness.

Skills

Experience in construction estimating

Excel

Analytical thinking

Attention to detail

Teamwork

Tools

Estimating software

Job description

Hart Mechanical Contractors is seeking a detail-oriented and motivatedJunior Estimatorto join our growing team in Miami, Florida.

This position provides an excellent opportunity for an early-career professional to gain hands‑on experience in mechanical construction estimating while working alongside experienced estimators, project managers, and operational leaders. The Junior Estimator will support the preconstruction process through plan review, quantity takeoffs, pricing analysis, and estimate preparation for commercial mechanical construction projects.

The ideal candidate is analytical, organized, and eager to develop expertise in HVAC, plumbing, piping, and mechanical construction systems.

What You'll Do

Plan Review & Quantity Takeoffs

• Review construction drawings, specifications, and project documents to understand project scope
• Assist with quantity takeoffs for HVAC, plumbing, piping, and related mechanical systems
• Identify material, labor, equipment, and subcontractor requirements
• Assist in identifying scope gaps, discrepancies, and estimating risks
• Develop an understanding of mechanical construction means, methods, and industry standards
• Gather, compare, and verify vendor and subcontractor pricing
• Assist with developing preliminary project cost estimates
• Maintain estimating databases and pricing information
• Track labor, material, equipment, and subcontractor costs
• Evaluate vendor and subcontractor quotations for completeness and competitiveness

Collaboration & Professional Growth

• Work closely with estimators, project managers, and field leadership
• Participate in bid reviews and proposal development
• Learn industry standards and estimating best practices
• Support process improvement initiatives that enhance estimating accuracy and efficiency

What We're Looking For

• 2 years of experience in construction, estimating, engineering, construction management, or a related field preferred
• Ability to read and interpret construction drawings and specifications, or demonstrated ability and willingness to learn
• Strong mathematical, analytical, and problem-solving skills
• Excellent attention to detail
• Proficiency with Microsoft Office Suite, especially Excel
• Ability to learn quantity takeoff and estimating software
• Strong organizational and time management skills
• Effective communication and teamwork abilities
• Demonstrated commitment to accountability, professionalism, and continuous learning

Benefits Offered

• Medical Insurance
• Vision Insurance
• 401(k) with Company Match
• Paid Time Off
• Paid Holidays
• Employee Assistance Program (EAP)
• Life Insurance

Work Location Requirements

This is a full-time onsite position located in Miami, FL (33186). Candidates must be able to work from the office on a daily basis.

Work Authorization Requirements

Applicants must be legally authorized to work in the United States at the time of application.

Hart Mechanical Contractors is unable to sponsor or take over sponsorship of a U.S. employment visa for this position.