Service Estimator - Mechanical, Electrical, Plumbing

Job Description

Job Description

Who We Are

AMPAM is the leading design-build Mechanical, Electrical, and Plumbing (MEP) contractor serving large-scale multifamily and commercial projects across California. With 1,500 employees across multiple business units, we are committed to delivering quality, safety, and excellence in every project.

Job Summary

The MEP Estimator supports the AMPAM Service Division’s sales and operations teams by developing accurate scopes of work, estimates, and proposals for HVAC, plumbing, and electrical service, repair, and replacement projects in the multifamily market. With demand increasing rapidly, this role is critical to improving response time on customer requests and ensuring proposals are timely, competitive, and professionally presented.

The Estimator works closely with sales, field operations, procurement, and subcontractors to deliver high-quality estimates, strengthen customer relationships, and enable the sales team to focus on strategic opportunities.

Key Responsibilities Include:  (But not limited to the following)  

Job Walks & Scope Development

• Conduct on-site job walks to assess project conditions, gather technical details, and develop accurate scopes of work.
• Collaborate with sales and field teams to clarify customer needs and identify project constraints or opportunities.
• Document site findings with photos, notes, and measurements to support estimating and proposal development.

Estimating & Proposal Development

• Prepare detailed estimates for HVAC, plumbing, and electrical service projects, repairs, and replacements.
• Develop proposal frameworks including scope, pricing, exclusions, clarifications, and schedule assumptions.
• Utilize internal estimating tools and ServiceTitan to generate field-based quotes when needed.
• Review drawings, specifications, and customer documentation to ensure accurate takeoffs and pricing.

Subcontractor & Vendor Coordination

• Solicit and evaluate subcontractor bids for labor, specialty services, and materials.
• Work with the procurement team to obtain custom pricing, verify lead times, and ensure competitive sourcing.
• Build and maintain strong relationships with vendors and subcontractors to support accurate and timely estimates.

Follow-Up & Pipeline Support

• Track open estimates and follow up with customers to answer questions, clarify scope, and support the sales process.
• Review and follow up on field-generated quotes from ServiceTitan on a weekly basis.
• Support sales team with revisions, value-engineering options, and alternative solutions when needed.

Qualifications

• 3–7 years of estimating experience in HVAC, plumbing, electrical, or general MEP.
• Strong understanding of service-based work in occupied facilities (multifamily experience preferred).
• Ability to read and interpret plans, specifications, and technical documents.
• Proficiency with estimating software, spreadsheets, and digital takeoff tools.
• Excellent communication skills—able to interface with customers, field staff, and subcontractors.
• Strong organizational skills with the ability to manage multiple estimates simultaneously.

Preferred Experience

• Experience with ServiceTitan or similar field service management platforms.
• Background in multifamily, light commercial, or service-oriented contracting.
• Knowledge of local codes and permitting requirements.
• Technical field experience in HVAC, plumbing, or electrical (journeyman or technician background is a plus).

Applicants must be currently authorized to work in the U.S. on a full-time basis without future employment sponsorship

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