Ingénieur Commercial Senior (H/F)

We are seeking a highly skilled and motivated Sales Engineer to support our Sales team in closing enterprise deals. You'll bring technical expertise to the table-leading geothermal system designs, building specs and budgets, and serving as a trusted resource for clients and partners throughout the sales process. This role will report to our Kingston, NY office once per week.

Responsibilities

Support the Sales Team in Closing Enterprise Deals

• Develop customized geothermal proposals, including loop and manifold designs, heat pump specifications, and system integration plans.
• Ensure proposals optimize performance, cost efficiency, and compatibility with rebate and incentive programs to support the sales process.
• Collaborate with the Sales team to prepare and deliver technical presentations, product demonstrations, quotes, and proposals tailored to client needs.

Create and Maintain Strong Customer Relationships

• Serve as a trusted technical advisor, providing pre-sales and post-sales technical support to clients.
• Work closely with home builders and multifamily developers to assess HVAC needs and recommend appropriate geothermal solutions.

Design Systems & Provide Technical Expertise

• Offer in-depth knowledge of geothermal technologies, components, and installation processes to educate clients and address technical questions.
• Partner with and train enterprise sales teams on the technical aspects of geothermal heat pumps.
• Collaborate with the engineering team to refine and improve product offerings.
• Hand off technical specifications to Project Management team and support pre-construction through implementation.

Industry Compliance & Market Awareness

• Ensure all proposed systems meet industry standards and regulations, including tax incentives, utility rebates, and energy-efficiency requirements.
• Stay informed on industry trends, competitor products, and emerging geothermal technologies to maintain a competitive edge.

Must-Haves

• 3+ years of experience in technical sales, sales engineering, HVAC, or renewable energy.
• Strong understanding of construction technologies, system components, and design principles.
• Proficiency with Wrightsoft or similarly energy modeling tools.
• Excellent communication and presentation skills, with the ability to explain complex technical concepts to both technical and non-technical audiences.
• Ability to work collaboratively across internal teams and with external stakeholders.

Bonus Points For

• Bachelor's degree in engineering, environmental science, or a related field.
• Proficiency in CAD software
• Experience in geothermal or ground-source heat pump systems.
• Background working with homebuilders or multifamily developers.
• Prior experience at a startup or high-growth company.

Dandelion Energy is transforming how homes are heated and cooled-starting from (below) the ground up. As the nation's leading residential geothermal company, we design, install, and maintain all-in-one heating and cooling systems that are cleaner, quieter, more affordable, and up to 4× more efficient than traditional HVAC. Our focus is on large, enterprise deployments with major homebuilders, helping bring geothermal to more homes, faster.

Backed by Google Ventures (GV) and other top tech investors, our end-to-end geothermal solution is challenging the status quo in residential heating and cooling. We're scaling strategically and intentionally to meet growing demand. Our mission is simple and bold: to make geothermal the default choice for heating and cooling in the U.S.

Why Dandelion

Dandelion Energy is at the forefront of the transition to clean, efficient home energy. Our team has delivered thousands of high-quality geothermal installations across the country, helped elevate geothermal heat pumps nationally, and played a meaningful role in advancing electrification-friendly policy at both the local and federal levels.

We're a multidisciplinary, mission-driven team spanning hardware engineering, HVAC, drilling, solar finance, behavioral economics, and startup operations. Together, we're building something complex, impactful, and designed to scale ... work that directly shapes how homes are powered for decades to come.

At Dandelion, you'll find a collaborative, fast-paced, and inclusive culture where curiosity, ownership, and cross-functional teamwork are core to how we operate. Our nationwide team is united by a shared commitment to sustainability and a belief that clean, affordable heating and cooling should be the standard.

We're driving a wholesale shift in how homes are heated and cooled. Join us.

Benefits & Perks

• Medical (including mental health), dental, vision, and pet insurance
• 401(k) plan
• Commuter benefits
• Generous paid sick leave, vacation, and parental leave
• Learning & development support, including on-the-job training and virtual courses
• Pet insurance