Senior BESS Cost Estimator – Utility-Scale Projects

Takkion; Centennial (CO); On-site; USD 120,000 - 180,000; Full time

Job summary

Takkion in Centennial, CO is seeking a BESS Estimator to prepare accurate, competitive cost estimates for utility-scale Battery Energy Storage System projects. You will build civil, electrical, and balance-of-plant estimates using Trimble B2W and collaborate with engineering, procurement, and construction teams.

Requirements include a bachelor’s degree in construction management or engineering (or equivalent), 5+ years in estimating with BESS exposure, advanced Excel, and familiarity with

Qualifications

• Bachelor’s degree in construction management, engineering or related field; equivalent experience accepted.
• 5+ years estimating experience in utility-scale renewables with BESS exposure.
• Proficiency with Trimble B2W (Heavy Bid) required.
• Strong knowledge of civil and electrical construction cost components.
• Advanced Excel skills and experience with takeoff software.
• Experience with EPC or design-build delivery models.
• Familiarity with lithium-ion battery systems and major BESS OEMs.
• Knowledge of procurement, logistics, and cost modeling.
• PMI/PMP certifications are a plus.

Responsibilities

• Prepare detailed conceptual, budgetary, and definitive cost estimates for BESS projects.
• Develop quantity takeoffs and pricing for civil, structural, electrical, and balance-of-plant scopes.
• Build and maintain estimates using Trimble B2W (Heavy Bid).
• Apply historical cost data, productivity factors, and crew compositions.
• Develop indirect costs including general conditions, mobilization, temporary facilities, and commissioning support.
• Review RFPs, drawings, SOWs, specs to determine full project scope.
• Identify constructability issues, scope gaps, and risks.
• Support value engineering and alternative means and methods.
• Solicit, evaluate, and level subcontractor and supplier bids.
• Develop pricing for battery containers, inverters, transformers, cabling, foundations, civil work, installation labor and other work as required.

Skills

Estimating experience

EPC/Design-Build

Advanced Excel

Cost estimation knowledge

Lithium-ion/BESS knowledge

PMP (plus)

Education

Bachelor’s degree in construction management or engineering

Tools

Trimble B2W (Heavy Bid)

Takeoff software

Job description

Takkion in Centennial, CO is seeking a BESS Estimator to prepare accurate, competitive cost estimates for utility-scale Battery Energy Storage System projects. You will build civil, electrical, and balance-of-plant estimates using Trimble B2W and collaborate with engineering, procurement, and construction teams.

Requirements include a bachelor’s degree in construction management or engineering (or equivalent), 5+ years in estimating with BESS exposure, advanced Excel, and familiarity with