Substation Estimator

Irby Construction Company has been building infrastructure for the power industry for more than 75 years. Our business values and performance-driven mindset guide our actions. Our approach to work starts with safety, puts people first, seeks to innovate, and promises to perform.

Irby is proud of its inclusive work environment, family-oriented culture, excellent benefits, and clear pathways for career growth. We strive to provide every employee with clear expectations and opportunities for advancement. What’s more, Irby has long long-valued tenure. In fact, many of our executive leaders started with Irby early in their careers and in the field.

When you join our team, you join an established firm, with a culture centered around its people. Teamwork is how we work. There is no other way. Pride is ever-present inside our offices and the bond of brotherhood runs strong among our crews.

Irby Construction is a wholly-owned subsidiary of Quanta Services. That means team Irby gets the benefits of the company culture we’re known for along with the stability and resources of a Fortune 500 organization. (NYSE: PWR).

Build your career at Irby Construction.

The Substation Estimator is responsible for developing accurate, competitive cost estimates and bid proposals for electrical substation construction, expansion, and upgrade projects. This role evaluates project drawings, specifications, material requirements, construction methods, labor and equipment needs, subcontractor quotations, and schedule constraints to support successful project pursuits. The Substation Estimator works closely with estimating leadership, engineering, procurement, project management, and field operations to develop complete, well-supported estimates for utility clients.

• Prepare detailed quantity takeoffs and cost estimates for greenfield and brownfield substation construction, expansions, and upgrades.
• Develop labor, material, equipment, subcontractor, and indirect cost estimates for competitive bids and negotiated proposals.
• Review electrical and civil drawings, one-line diagrams, specifications, scopes of work, and bid documents to identify requirements and exclusions.
• Maintain accurate estimate files, takeoff worksheets, bid tabs, revisions, assumptions, and supporting documentation.
• Coordinate with project managers, engineers, procurement, and field operations to validate quantities, productivity, and construction approaches.
• Analyze proposal contracts, specifications, KMZ files, bills of material (BOM), equipment lists, submittals, and drawings for substation scope.
• Evaluate construction risks, outage and energization constraints, schedules, crew requirements, and equipment needs, and site conditions.
• Prepare and review bid clarifications, qualifications, exclusions, and proposal submittals for compliance with client requirements.
• Develop pricing for civil foundations, structural steel, grounding, conduit, cable, buswork, transformers, breakers, switch gear, and associated installations.
• Solicit, evaluate, and level supplier and subcontractor quotations; verify scope coverage, lead times, and pricing assumptions.
• Participate in pre-bid meetings, site walks, estimate reviews, and bid handoffs as required.
• Support project cost forecasts, value engineering, historical cost analysis, and continuous improvement of estimating methods.

• Bachelor’s degree in Construction Management, Engineering, or a related field; or equivalent relevant work experience.
• Minimum of 3 years of direct substation construction estimating experience required.
• Proficiency in Microsoft Office Suite, particularly Excel, and experience with estimating or takeoff software.
• Ability to interpret substation electrical…