Senior Substation Estimator – EHV 500/765kV

Quanta Infrastructure Solutions Group; Scottsdale (AZ); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive Compensation

401(k) Retirement Plan

Holiday Pay

Paid Time Off (PTO)

Comprehensive Health Coverage

Pet Insurance

Employee Assistance Program (EAP)

Professional Development

Tuition Assistance

Employee Discount Program

Job summary

Quanta Infrastructure Solutions Group (QISG) is seeking a Senior Estimator with deep substation experience to lead the development of self-perform construction estimates for substation projects across the full voltage range — including 500 kV and 765 kV programs.

This role owns the estimate from document review through bid-day submission, coordinating with the Chief Estimator and operations leadership to ensure competitive margins.

Qualifications

• 8+ years of estimating experience in substation, switchyard, or high-voltage electrical construction with a self-perform contractor or EPC.
• Demonstrated command of substation construction means and methods across civil, structural, and electrical disciplines.
• Proven track record as lead estimator on competitively bid substation projects of $20M or greater.
• Proficiency with estimating platforms and advanced Excel.
• Ability to read and interpret one-lines, three-lines, and design packages.
• Willingness to travel for site visits and bid reviews (≈25%).

Responsibilities

• Lead complete substation estimates — greenfield stations, expansions, retrofits, and emergency restoration across civil/site development, foundations, raceways, grounding, structural steel, equipment, bus, enclosures, and wiring.
• Perform detailed quantity takeoffs from diagrams and designs; develop quantities from preliminary engineering for bid design.
• Build craft labor, equipment, and crew-based production rates; document means-and-methods in the estimate basis.
• Solicit, level, and evaluate subcontractor and vendor pricing; coordinate major equipment scope and FFP boundaries.
• Attend site visits and pre-bid meetings; assess site conditions and reflect them in the estimate.
• Develop and maintain the estimate risk register; support pricing strategy and risk discussions.
• Present the estimate at internal bid reviews and defend the technical build-up; support proposals and clarifications.
• Lead turnover to project team and capture feedback for cost database and libraries.
• Mentor estimators on takeoff, pricing discipline, and documentation standards.
• EHV experience at 345 kV+; field construction background preferred.

Skills

Substation estimating

EHV 345kV+ experience

Self-perform contractor experience

Estimating platforms (HeavyBid/Accubid

MS Excel advanced

Travel willingness

Education

Bachelor’s degree in Construction Management or Engineering

AACE CEP/CCP or DBIA credential

Tools

HCSS HeavyBid

Accubid

B2W

Job description

Quanta Infrastructure Solutions Group (QISG) is seeking a Senior Estimator with deep substation experience to lead the development of self-perform construction estimates for substation projects across the full voltage range — including 500 kV and 765 kV programs.

This role owns the estimate from document review through bid-day submission, coordinating with the Chief Estimator and operations leadership to ensure competitive margins.