Project Estimator / Sales (Hybrid)

Gulfstream Petroleum Services Inc.; Miami (FL); On-site; USD 85,000 - 115,000; Full time

Job summary

Gulfstream Petroleum Services Inc. in Miami seeks a detail oriented Project Estimator to prepare accurate, competitive cost estimates for fuel system installations, removals, upgrades, and maintenance projects.

You will work with sales, project management and operations to ensure proper scoping, pricing and risk assessment, supporting proposals and transfer of estimates into live projects.

Qualifications

• 3–5+ years estimating experience in petroleum contracting or construction.
• Knowledge of aboveground/underground fuel systems and generators.
• Ability to read drawings and technical specs.
• Strong pricing for labor, materials, equipment, and subs.
• Proficiency in Excel and estimating software.

Responsibilities

• Prepare detailed cost estimates for petroleum projects (installations, removals, upgrades, maintenance).
• Review drawings, specs, site conditions to develop estimates.
• Perform quantity takeoffs for materials, labor, and subcontractors.
• Obtain and evaluate vendor and subcontractor quotes.
• Assist in proposals and pricing breakdowns.
• Transfer estimate details into active projects with PMs.
• Support change-order pricing and job cost reviews.
• Maintain estimating databases and cost records.

Skills

Estimating

Excel proficiency

Attention to detail

Communication

Time management

Tools

Estimating software

Takeoff software

Project management platforms

Job description

If you have experience with AST / UST fuel systems and construction management, estimation —we want to talk.

About Gulfstream Petroleum Services

Founded in 2005 and headquartered in Miami, Gulfstream Petroleum Services is a fully licensed and insured petroleum contracting firm serving South Florida. We specialize in fuel tank installations and removals (AST/UST), above and belowground fuel systems, generator fueling systems, compliance inspections, diesel fuel polishing, and ongoing petroleum system maintenance for critical infrastructure.

Position Overview

Gulfstream Petroleum Services is seeking a detail oriented Project Estimator to support our petroleum construction and service operations. This role is responsible for preparing accurate, competitive cost estimates for fuel system installations, removals, upgrades, and maintenance projects. The Project Estimator will work closely with sales, project management, and operations teams to ensure proper scoping, pricing, and risk assessment.

This position plays a key role in maintaining Gulfstream’s reputation for transparent pricing, regulatory compliance, and highquality execution.

Key Responsibilities

• Prepare detailed cost estimates for petroleum projects including:
  • Aboveground and underground fuel tank installations and removals
  • Generator fueling systems and day tanks
  • Fuel piping, pumps, filtration systems, and remote fills
  • Monthly compliance inspections, maintenance, and diesel fuel polishing
• Review drawings, specifications, site conditions, and scope documents to develop accurate estimates
• Perform quantity takeoffs for materials, equipment, labor, and subcontracted work
• Obtain and evaluate vendor and subcontractor quotes
• Identify potential project risks, constraints, and cost impacts during the estimating phase
• Assist in preparing proposals, bid packages, and pricing breakdowns
• Collaborate with project managers and operations staff to transfer estimate details into active projects
• Support change order pricing and job cost reviews as needed
• Maintain estimating databases and historical cost records

Qualifications

• 3–5+ years of estimating experience in petroleum contracting, construction, or infrastructure services
• Knowledge of aboveground and underground fuel systems, generators, and related equipment preferred
• Ability to read and interpret construction drawings, specifications, and technical documents
• Strong understanding of labor, material, equipment, and subcontractor pricing
• Proficiency in Microsoft Excel and estimating or takeoff software; experience with project management platforms is a plus
• High level of attention to detail and accuracy
• Strong communication and organizational skills
• Ability to manage multiple estimates simultaneously and meet deadlines

Preferred Experience

• Estimating for government, healthcare, or critical infrastructure projects
• Familiarity with environmental, safety, and regulatory requirements related to petroleum systems
• Prior field or project coordination experience within construction or fuel services

What We Offer

• Competitive salary based on experience
• Stable, longterm career opportunity with a trusted petroleum contractor
• Exposure to highprofile critical infrastructure projects
• Collaborative team environment with experienced leadership
• Opportunity for professional growth within an established company

Gulfstream Petroleum Services is a leader in petroleum infrastructure for mission-critical environments—including healthcare, government, and industrial facilities. From fuel systems to compliance and maintenance, we deliver precision work where safety and reliability are non-negotiable.