Sales & Business Development Associate (CDI - Permanent Position)
18 hours ago
Valbonne
We're Hiring – Sales & Business Development Associate (CDI - Permanent Position) About CalibSun CalibSun is a fast-growing French deep-tech company delivering cutting-edge solar forecasting solutions to energy players worldwide. Born from Solaïs, a photovoltaic engineering consultancy with roots dating back to 2008, we combine deep scientific expertise with a strong commercial drive to solve one of the most critical challenges of the energy transition. Following a successful funding round in 2025, CalibSun now holds a share capital of €7.3M, giving us the resources and momentum to scale rapidly. As power markets become more volatile and complex, our technology enables producers, traders, and storage operators to make smarter, data-driven decisions — and we are already trusted by some of the world’s leading renewable energy companies. Our growth and innovation have been recognized at the highest level: we are a laureate of the French government’s prestigious France 2030 programme, and were selected to join the French presidential delegation to India in February 2026 alongside industry leaders such as Thales, Mistral, and EDF. With strong institutional support, strategic partnerships (including close collaboration with Business France), and ambitious international expansion plans across the USA, Brazil, and China, CalibSun is entering a decisive phase of global growth. We are building a high-impact, international team — and this role sits at the core of our expansion. The Role Sophia Antipolis, France | International travel required | Near-native/fluent English (C1/C2) We're looking for an ambitious, commercially-driven professional with 5-10 years of experience to join our business development team. You'll work directly alongside our CEO and two experienced Business Developers to win new clients and drive CalibSun's international growth. No fully remote candidates will be considered. We do not accept unsolicited applications or collaboration offers from recruitment or headhunting agencies. Key Responsibilities Sales • Follow up on leads and prospects, nurture relationships, and move deals through the pipeline, • Draft commercial proposals and contracts in collaboration with the team, • Close deals with large-scale renewable energy players globally Business Development & Market Analysis • Identify and qualify potential clients across continents — including solar power producers, energy traders, and battery storage operators, • Map and engage key decision-makers within target organisations, • Analyse target markets to identify where CalibSun's solutions create the most value International Expansion • Help coordinate CalibSun's expansion into new markets, • Contribute to and improve our commercial tools - pitch decks, proposals, market segmentation, and value propositions Visibility & Events • Represent CalibSun at international conferences, trade fairs, and industry events, • Help build CalibSun's reputation as a global leader in advanced solar forecasting Profile • 5-10 years of experience in sales, business development, strategy, consulting, or a related field, • Genuine interest in energy markets and technical topics, • Comfortable working in international environments, • Bilingual in English, • Willing to travel internationally on a regular basis, • Entrepreneurial mindset, • Experience in renewable energy industry is a plus Why Join CalibSun • Work directly with major global renewable energy players from day one, • Real autonomy and ownership of your work from the start, • Growth opportunities — as a non-hierarchical company, your progression is driven by your performance and contribution, • Be part of a young, dynamic team working on one of the most important challenges of the energy transition, • A company built for international scale, combining cutting-edge technology with real-world impact
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