ZipRecruiter

Log In

1

Assistant Estimator Jobs in Puerto Rico (NOW HIRING)

Bonneville Group

Low Voltage Estimator

Caguas, PR · On-site

The Estimator will assist in the design and layout of low-voltage systems, prepare preliminary drawings and system architectures, evaluate project risks, and identify value engineering opportunities ...

Aireko

Estimates Assistant (M/F)

Caguas, PR · On-site

The Estimates Assistant supports the Estimating Department by handling a variety of administrative tasks related to the bidding and proposal processes in our construction company. This role requires ...

Division 16 LLC

PR · On-site

JUNIOR ELECTRICAL ESTIMATOR / ESTIMADOR ELÉCTRICO JUNIOR Company: Division 16, LLC Location ... Perform and assist with electrical quantity takeoffs from construction drawings and specifications.

JC Automation Corp

PR · On-site

$40/hr

Estimating & Bidding: Assist in project estimates and bid preparation. * Contractor Oversight: Inspect contractor work and ensure compliance. * Work Conditions: Perform role duties involving a mix of ...

Bonneville Group

Sales Engineer

Caguas, PR · On-site

Prepare technical proposals and coordinate with engineering and estimating teams. * Present solutions and support customers throughout the sales process. * Assist with responses to RFPs and bid ...

Moriah Engineering

PR

Support design review meetings, document control processes, and transmittal of project information. * Assist in the preparation of project cost estimates, including labor, materials, equipment, and ...

PMG

PR · On-site

Develop cost estimates and project schedules * Demonstrated ability to handle multiple projects ... Stay abreast with the latest developments in civil design fields. * Assist design and construction ...

PMG

Senior Civil Design Engineer

San Juan, PR · On-site

Develop cost estimates and project schedules * Demonstrated ability to handle multiple projects ... Stay abreast with the latest developments in civil design fields. * Assist design and construction ...

ATS Automation

Senior Automation Engineer

Guaynabo, PR · On-site

$104K - $136K/yr

Define project scope and prepare estimates. * Design, develop, and implement process, utility and ... Report any accidents/incidents to supervisor * Assist in investigating accidents/incidents

AES

Outage & Material Planner

San Juan, PR

The primary responsibility is to assist and work with the maintenance team to coordinate AES Puerto ... Estimation of costs of the activities considered in the project portfolio, as well as of the ...

next page

Showing results 1-20

All JobsEstimator JobsAssistant Estimator JobsAssistant Estimator Jobs in Puerto Rico

Assistant Estimator information

What does an assistant estimator do?

An Assistant Estimator supports the lead estimator in calculating the costs and resources needed for construction or manufacturing projects. Their duties typically include gathering and analyzing data, reviewing project plans and specifications, preparing cost estimates, and helping create bids for potential projects. They also assist in sourcing materials, communicating with vendors and subcontractors, and maintaining records of estimates. This role is crucial in helping companies prepare competitive and accurate bids and ensuring projects stay within budget.

What are the key skills and qualifications needed to thrive as an assistant estimator, and why are they important?

To thrive as an Assistant Estimator, you need strong analytical abilities, attention to detail, and a background in construction or engineering, often supported by a relevant degree or coursework. Familiarity with estimation software such as Bluebeam, ProEst, or Microsoft Excel, as well as reading construction drawings, is typically required. Strong communication, time management, and teamwork skills help you coordinate effectively with project managers, suppliers, and clients. These competencies are essential to ensure accurate cost estimates, timely project delivery, and smooth collaboration within construction teams.

What are some common challenges faced by assistant estimators when preparing cost estimates, and how can they be managed?

Assistant Estimators often face challenges such as incomplete project documentation, fluctuating material costs, and tight deadlines. Managing these issues requires strong attention to detail, effective communication with project managers and suppliers, and the ability to adapt quickly to updated information. Building solid relationships with vendors and leveraging estimating software can also help streamline the process. Collaborating closely with senior estimators and other team members ensures more accurate and reliable estimates.

What is the difference between Assistant Estimator vs Estimator?

AspectAssistant EstimatorEstimator
CredentialsTypically requires a relevant diploma or degree, some industry experienceRequires more experience, often a degree in construction management or related field
Work EnvironmentSupports senior estimators, works in office and on-siteLeads cost estimation, interacts with clients and project teams
ResponsibilitiesPrepares initial estimates, gathers data, assists in bid preparationDevelops detailed cost estimates, reviews project plans, manages bid process

The main difference between an Assistant Estimator and an Estimator lies in experience and responsibility. An Assistant Estimator supports the estimation process with preliminary tasks, while an Estimator takes on more complex, independent responsibilities in preparing detailed project costs.

What is an assistant estimator?

An assistant estimator is a construction or engineering professional who supports senior estimators by gathering data, preparing cost estimates, and assisting with bid proposals. They often use estimating software and need strong math, organizational skills, and knowledge of construction materials and methods. This role typically involves working in an office environment and may require relevant certifications or training.

What are the most commonly searched types of Estimator jobs in Puerto Rico?

The most popular types of Estimator jobs in Puerto Rico are:

What are popular job titles related to Assistant Estimator jobs in Puerto Rico?

For Assistant Estimator jobs in Puerto Rico, the most frequently searched job titles are:

What job categories do people searching Assistant Estimator jobs in Puerto Rico look for?

The top searched job categories for Assistant Estimator jobs in Puerto Rico are:

What cities in Puerto Rico are hiring for Assistant Estimator jobs?

Cities in Puerto Rico with the most Assistant Estimator job openings:

Assistant Estimator jobs near you
Infographic showing various Assistant Estimator job openings in Puerto Rico as of August 2026, with employment types broken down into 100% Full Time. Highlights an 50% In-person, and 50% Hybrid job distribution.

Low Voltage Estimator

Bonneville Group

Caguas, PR • On-site

Full-time

Posted 12 days ago

Job description

Bonneville Contracting and Technology Group is seeking a detail-oriented and technically proficient Low Voltage Systems Estimator to support the growth of our telecommunications, security, and technology divisions. The Low Voltage Systems Estimator will be responsible for analyzing project requirements, performing site evaluations, developing cost estimates, preparing proposals, and supporting the design of low-voltage systems including fiber optic networks, structured cabling, CCTV, access control, fire alarm, wireless communications, intelligent transportation systems, and related infrastructure. The ideal candidate will possess strong technical knowledge, excellent organizational skills, and the ability to work closely with clients, vendors, project managers, and field personnel to develop accurate and competitive bids.


Key Responsibilities

The Low Voltage Systems Estimator shall review plans, specifications, and customer requirements to develop complete and accurate project estimates. Responsibilities include performing quantity takeoffs, identifying labor, material, equipment, subcontractor, and permit requirements, soliciting vendor quotations, preparing detailed cost analyses, and developing technical proposals for public and private sector clients. The Estimator will assist in the design and layout of low-voltage systems, prepare preliminary drawings and system architectures, evaluate project risks, and identify value engineering opportunities that improve project competitiveness while maintaining compliance with applicable codes and standards.

The successful candidate will work closely with project managers and operations personnel during project handoff to ensure a smooth transition from estimating to execution. The position may also support business development efforts by participating in customer meetings, site visits, scope reviews, and technical presentations.


Required Qualifications

Candidates should possess a strong understanding of low-voltage systems including fiber optic infrastructure, structured cabling, CCTV, access control, fire alarm systems, networking equipment, and related communications technologies. Experience reviewing construction drawings, specifications, and contract documents is required. The candidate must be proficient with Microsoft Office applications and capable of preparing professional estimates, spreadsheets, and technical documentation.

A minimum of three years of experience in estimating, engineering, design, project management, or installation of low-voltage systems is preferred. Experience with public sector bidding, telecommunications construction, security systems, or electrical contracting is highly desirable. Strong written and verbal communication skills in English and Spanish are preferred.


Preferred Qualifications

Preference will be given to candidates with experience using AutoCAD, Bluebeam, Visio, GIS platforms, estimating software, or telecommunications design tools. Industry certifications such as BICSI, NICET, manufacturer certifications, or related technical credentials are considered a strong plus. An engineering, telecommunications, information technology, electronics, or related technical background is preferred.


Work Environment

This position is based out of Bonneville’s Caguas office but may require periodic travel throughout Puerto Rico and the U.S. Virgin Islands to perform site assessments, customer meetings, and project evaluations. The position offers significant opportunities for professional growth and exposure to a wide variety of telecommunications, security, electrical, and technology projects.


Benefits

Bonneville offers competitive compensation, performance-based incentives, opportunities for professional development, education reimbursement programs, and the ability to work on some of the most complex and impactful telecommunications and technology infrastructure projects in Puerto Rico and the U.S. Virgin Islands.