Commercial Solar Design & Proposal Specialist

Buffalo Solar; Buffalo (NY); On-site; USD 60,000 - 65,000; Full time

Job summary

Buffalo Solar is seeking a Commercial Solar Design & Proposal Specialist to support a high volume of commercial solar and battery storage opportunities. This role turns customer utility data and project information into preliminary system designs, financial models, and customer proposals.

The position works closely with Sales and Procurement and requires strong attention to detail, organization, and the ability to manage frequent revisions as projects move through the sales process.

Qualifications

• Experience or education in solar, engineering, energy, construction, finance, or related technical field preferred.
• HelioScope or similar solar-design experience preferred.
• Familiarity with commercial solar and BESS is a plus.
• Strong analytical, Excel, and problem-solving skills.
• Excellent attention to detail and organization.
• Comfortable working with numbers, utility data, and financial information.
• Able to manage multiple deadlines and frequent revisions.
• Collaborative, receptive to feedback, and willing to learn.

Responsibilities

• Enter and analyze customer utility billing and energy-usage data.
• Create preliminary commercial solar designs and production models using HelioScope.
• Support preliminary BESS sizing and modeling for applicable projects.
• Coordinate with Procurement to select modules, inverters, batteries, and other equipment.
• Develop project financial models incorporating system production, savings, costs, incentives, and economics.
• Enter project information into the proposal platform and generate customer proposals.
• Review designs, financial models, and proposals for accuracy and consistency.
• Manage a high volume of proposals, revisions, and changing priorities.
• Work closely with Sales to respond to customer requests and revise designs as opportunities evolve.

Skills

HelioScope experience

Excel

Financial modeling

Analytical thinking

Attention to detail

Education

Engineering/Finance background

Tools

HelioScope

Proposal platform

Job description

Buffalo Solar is seeking a Commercial Solar Design & Proposal Specialist to support a high volume of commercial solar and battery storage opportunities. This role turns customer utility data and project information into preliminary system designs, financial models, and customer proposals.

The position works closely with Sales and Procurement and requires strong attention to detail, organization, and the ability to manage frequent revisions as projects move through the sales process.