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Estimator & Project Support Coordinator

Propeller Building Services

Job Location:

Altadena, CA - USA

Yearly Salary: USD 95000 - 115000

Posted: 29 June 2026 (30+ days ago)

Application Deadline: 31 October 2026

Vacancies: 1 Vacancy

Job Summary

Benefits:

401(k)
401(k) matching
Dental insurance
Health insurance
Paid time off
Vision insurance

Position Overview

SIMCO Mechanical Inc. a growing full-service mechanical contractor is seeking an experienced Mechanical Estimator & Project Support Coordinator to join our team in Altadena California.

The ideal candidate will have a strong background in commercial mechanical construction estimating and a thorough understanding of HVAC and plumbing systems construction processes subcontractor management and project delivery. This position plays a critical role in developing accurate and competitive estimates while supporting a smooth transition from estimating to operations.

The Mechanical Estimator & Project Support Coordinator will work closely with project managers field leadership vendors subcontractors and customers to ensure projects are properly scoped priced and positioned for successful execution. Projects typically range from $100000 to $5.0 million.

Key Responsibilities

Prepare detailed and accurate cost estimates for commercial mechanical construction projects.

Review plans specifications bid documents and contract requirements to identify project risks scope gaps and pricing opportunities.

Solicit and evaluate subcontractor and supplier quotations.

Develop quantity takeoffs labor projections equipment costs and material pricing.

Collaborate with project managers field personnel vendors and customers to develop complete and competitive project proposals.

Participate in project turnover meetings to ensure awarded projects transition smoothly from estimating to operations.

Assist project managers with the preparation and pricing of change orders as needed.

Support procurement activities including vendor solicitation equipment and material buyouts and long-lead item identification.

Assist with the coordination and tracking of Requests for Information (RFIs) and related project documentation.

Support value engineering efforts and identify opportunities to improve project profitability during preconstruction.

Maintain current knowledge of labor material equipment and market pricing trends.

Build and maintain strong relationships with customers subcontractors suppliers and industry partners.

Qualifications

Minimum 5 years of commercial mechanical construction estimating experience.

Strong understanding of HVAC plumbing piping and mechanical construction systems.

Ability to interpret construction drawings specifications contracts and bid documents.

Experience preparing detailed cost estimates quantity takeoffs and bid proposals.

Strong analytical organizational and communication skills.

Proficiency with Bluebeam Microsoft Excel and construction estimating software.

Experience with HeavyBid or similar estimating platforms is preferred.

Familiarity with public works projects and prevailing wage requirements is preferred.

Experience supporting change orders procurement activities and RFI processes is a plus.

Experience with ServiceTitan is beneficial but not required.

Compensation & Benefits

Competitive salary based on experience

Health Dental and Vision Insurance

401(k) with Company Match

Paid Time Off and Company Holidays

Opportunity for professional growth within a growing mechanical contracting organization

About SIMCO Mechanical

SIMCO Mechanical is a leading commercial mechanical contractor serving Southern California. The company specializes in HVAC plumbing piping and mechanical construction projects across public and private sectors. SIMCO is committed to delivering high-quality workmanship exceptional customer service and long-term value to its clients while providing growth opportunities for its employees.

Compensation: $95000.00 - $115000.00 per year

Propeller Building Services Inc.

Your Growth Partner in HVAC & Plumbing

Welcome to Propeller Building Services the cornerstone of reliability and excellence in the world of residential and commercial HVAC and plumbing solutions. As the trusted parent company to a dedicated family of HVAC and Plumbing specialists we are committed to providing top-tier heating ventilation air conditioning and plumbing services that you can depend on.

Required Experience:

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