This position combines deep technical expertise in high-voltage battery systems with exceptional business development capabilities to position ONE as the preferred energy storage partner. The Director will engage customers at every level—from engineering teams to executive leadership—translating complex technical solutions into compelling business value while driving revenue growth and long-term strategic partnerships.

ESSENTIAL DUTIES:

Strategic Business Development

• Develop and execute business development strategies that expand ONE's presence across target industries.
• Identify, qualify, and prioritize new customer opportunities while building a robust sales pipeline.
• Develop account strategies that align customer needs with ONE's technology roadmap.

Technical Customer Leadership

• Serve as the primary technical interface during customer engagement activities.
• Present battery system capabilities, performance data, architecture, and product differentiation to technical and executive audiences.
• Translate customer technical requirements into commercially viable solutions.

Customer & Partner Relationship Management

• Establish and maintain trusted relationships with OEMs, system integrators, government agencies, channel partners, and strategic customers.
• Represent ONE at customer meetings, industry conferences, trade shows, and technical events.

Opportunity Capture & Proposal Development

• Lead or support capture strategies for new business opportunities.
• Contribute technical and commercial content for proposals, RFIs, RFPs, quotations, and customer presentations.
• Support contract negotiations alongside commercial leadership.

Cross-Functional Collaboration

• Partner with Engineering, Product Management, Manufacturing, Quality, and Program Management to ensure customer requirements are reflected in product development and execution.
• Provide market intelligence and competitive insights to support strategic planning.

Pipeline Management & Reporting

• Maintain accurate opportunity forecasting using CRM tools.
• Provide regular reports on pipeline health, revenue forecasts, competitive activity, and business development performance.
• Identify risks, mitigation strategies, and growth opportunities for executive leadership.

QUALIFICATIONS:

Education

• Bachelor's degree in Electrical Engineering required; Master's degree preferred.
• Minimum 10 years of experience within the high-voltage battery or energy storage industry.
• Minimum 5 years of technical business development, sales engineering, strategic account management, or related customer-facing experience.

Experience
Experience within one or more of the following industries:

• Defense
• Rail
• Grid Energy Storage
• Commercial Truck
• Specialty Vehicles

Extensive knowledge of:

• Lithium-ion battery technologies
• Cell chemistry
• Battery Management Systems (BMS)
• Pack architecture
• Thermal management
• Power electronics
• High-voltage system integration
• Demonstrated ability to communicate effectively with engineering, procurement, program management, and executive leadership
• Proven success developing strategic customer relationships and growing technical sales pipelines
• Experience preparing technical proposals and supporting capture activities.
• Active U.S. Security Clearance or ability to obtain one preferred
• Willingness to travel domestically and internationally