Estimator

JMI Window & Door Inc.; Oceanside (CA); On-site; USD 60,000 - 90,000; Full time

Job summary

JMI Window & Door Inc. in Oceanside, CA, is seeking an on-site Estimator to review architectural plans, specs, and project documents to prepare accurate material and labor estimates for custom window and door projects.

The Estimator will perform site visits, gather quotes, and update pricing databases while collaborating with sales, project management, and installation teams to refine bids and support negotiations.

Qualifications

• Experience in construction or remodeling estimating, esp. windows/doors.
• Keen analytical, mathematical, and problem-solving skills for interpreting blueprints.
• Proficient with estimating software, spreadsheets, and basic CRM/project management tools.
• Effective written and verbal communication for internal and customer presentations.
• Detail-oriented with strong organization to manage multiple estimates.
• Willingness to perform field measurements and coordinate with installers.
• Experience in construction, glazing, or carpentry is beneficial.
• High school diploma or equivalent; technical training preferred.

Responsibilities

• Review architectural plans, specifications and project documents to prepare accurate estimates for materials and labor.
• Perform site visits and measurements as needed to support estimates.
• Gather vendor quotes and update pricing databases.
• Collaborate with sales, project management and installation teams to refine bids.
• Prepare professional proposals for customers and track estimate status.

Skills

Estimating

Blueprint interpretation

Analytical skills

Effective communication

On-site measurements

Education

High school diploma or equivalent

Construction management coursework

Estimating coursework

Tools

Estimating software

Spreadsheets

CRM tools

Project management tools

Job description

Company Description

JMI Window & Door Inc., also known as Justin Mayall Installations, has been serving residents in the San Diego, Orange County, and Los Angeles areas since 2008. The company specializes in custom window and door designs and high-quality installation services for new custom homes and home renovation projects. JMI, Inc. is committed to providing top-tier products, expert installation techniques, and reliable service to deliver durable, attractive results. Team members join a growing, service-focused company that values craftsmanship, customer satisfaction, and attention to detail.

Role Description

The Estimator role is a full-time, on-site position based in Oceanside, CA. The Estimator will review architectural plans, specifications, and project documents to prepare accurate material and labor estimates for custom window and door projects. Daily responsibilities include performing site visits and measurements as needed, gathering vendor quotes, and updating pricing databases. The Estimator will collaborate with sales, project management, and installation teams to clarify scope, refine bids, and support contract negotiations. The role also involves preparing professional proposals for customers, tracking estimate status, and assisting with cost analysis to improve profitability and project efficiency.

Qualifications

• Experience with construction or remodeling estimating, particularly in windows, doors, or related building products.
• Strong analytical, mathematical, and problem-solving skills, including the ability to interpret blueprints and technical specifications.
• Proficiency with estimating software, spreadsheets, and general computer skills; familiarity with CRM or project management tools is a plus.
• Effective written and verbal communication skills, with the ability to present estimates clearly to internal teams and customers.
• Detail-oriented work style, strong organizational skills, and the ability to manage multiple estimates and deadlines simultaneously.
• Comfort with on-site work, including performing field measurements and coordinating with installers and vendors.
• Previous experience in construction, glazing, or carpentry environments is beneficial.
• High school diploma or equivalent required; additional technical training or coursework in construction management, estimating, or a related field is preferred.