Business Development Manager

Business Development Manager - Power Markets & Grids

We are looking for a Business Development Manager - Power Markets & Grids to join our Energy department based in Louvain-la-Neuve but we are also open to remote candidates.

Who We Are

At N-SIDE, we believe in a future of accessible, sustainable energy for all. A future where optimisation drives electricity grids and markets to maximize industry competitiveness and the well-being of citizens.

This calls for bold innovation and close collaboration across the energy ecosystem.

We harness the power of mathematical optimization and AI to tackle the most complex challenges faced by market and grid operators. Rooted in passion, innovation, and collaboration - our culture enables us to shape and deliver tailored, robust solutions with our clients.

We have advised and delivered solutions to clients in more than 20 countries. We employ a structured approach to problem solving, rooted in our knowledge of the energy sector, economic theory and applied mathematics.

With our in-house optimization software solutions we’re able to couple design with implementation. Our power matching solutions are trusted by several leading system and market operators, clearing some of the largest and most complex power markets, across Europe, India and Japan.

What You’ll Do

• Drive revenue growth: Leverage deep technical knowledge of N-SIDE’s products and services to articulate their unique value, address customer objections, and close sales effectively.
• Cultivate high-value customer relationships: Build and nurture strong, lasting relationships with clients by becoming their trusted technical advisor.Proactively identify opportunities for upselling, cross-selling, and long-term strategic partnerships that drive sustained revenue.
• Execute impactful sales demos: Deliver compelling solution demos and technical presentations that directly address customer pain points and showcase the tangible business value of N-SIDE’s solutions, leading to successful conversions.
• Maintain a competitive edge: Continuously track industry trends, competitor offerings, and technological advancements to position N-SIDE’s products effectively and maintain a competitive advantage in sales efforts.
• Lead the sales cycle: Take ownership of technical proposals, RFPs, and presentations, ensuring they align with customer needs and N-SIDE’s sales objectives. Actively participate in sales meetings to guide discussions and strengthen our offering. Develop go-to-market strategies to maximize market penetration and sales opportunities.

About You

• Master's degree in a relevant technical field (e.g., engineering, computer science) or equivalent experience.
• Strong technical knowledge and understanding of T&D needs (System Operation, Market, Planning…) is essential.
• Minimum 5 years of experience.
• Experience in a commercial position (sales or technical sales role) is a plus.
• Excellent communication and presentation skills, with the ability to convey complex technical concepts to both technical and non-technical audiences.
• Proven ability to build relationships, understand customer needs, and provide effective solutions.
• Ability to manage multiple topics in parallel, adapt to dynamic environments, and work autonomously with strong organization skills.
• Proficiency in using CRM systems and sales tools.
• Willingness to travel to customer sites as needed.

Travel: 30%

Start date: ASAP

Our offer

What’s important for us is that you grow and learn, because we care about you, which is N-SIDE’s hallmark. You will be part of a fun and flexible work environment in which creativity, freedom and initiative are rewarded.

You will join a diverse team of over 200 passionate engineers, computer scientists, and business experts from 30+ different nationalities, with 25% holding PhDs. Together, we are committed to making a meaningful impact toward a more sustainable future.

N-SIDE offers a great compensation package, which includes a company car and full range of benefits which can be personalised thanks to our Flex Income Plan.

All candidates will be treated equally without regard to race, color, religion, sex, age, sexual orientation, citizenship, disability, gender identity, marital or family status, veteran status or any other legally protected basis, in accordance with applicable law. N-SIDE will not tolerate discrimination or harassment based on any of these characteristics.

We are headquartered in Belgium with offices in the USA and Japan. The company is certified B Corporation, Best Managed Company by Deloitte Belgium, and ISO 27001.

We are committed to respecting your privacy and protecting your personal data, including any information which allows us to identify