Growth & Sales Intern

About the role

Join a stealth AI energy startup supported by the Merantix venture studio. We are building an autonomous supplier to help businesses manage and optimize electricity consumption. This position offers a direct view into the early stages of a B2B venture as we scale from zero to one. You will take ownership of developing and testing growth strategies, which includes running channel experiments and refining core messaging to find product market fit. In this capacity, you will manage the full lead generation funnel by identifying and qualifying industrial SMEs and high-consumption energy clients across the DACH region. A core part of your daily work will involve handling customer acquisition outreach through LinkedIn, cold email, and targeted networking events to build a robust pipeline. You will be responsible for building automated workflows and tracking performance metrics using modern software stacks to ensure process scalability. Additionally, you will create sales collateral, including pitch decks and customer proposals, tailored to specific buyer personas and use cases. Finally, you will analyze market feedback loops to directly influence product development iterations and future sales tactics, ensuring alignment between solution and need.

Key facts

What you'll do

• Develop and test growth strategies, including channel experimentation and messaging refinement.
• Manage lead generation by identifying and qualifying industrial SMEs and high-consumption energy clients.
• Handle customer acquisition outreach through LinkedIn, email, and networking events.
• Build automated workflows and track metrics using modern software stacks.
• Create sales collateral, including pitch decks and customer proposals.
• Analyze market feedback to influence product development and future sales tactics.
• Own the optimization of conversion funnels by conducting A B testing on landing pages and outreach sequences.
• Drive the execution of end to end sales cycles from initial contact to contract signing within target segments.
• Establish and maintain relationships with key decision makers in energy intensive industries.
• Monitor competitive landscape and pricing models to identify strategic advantages and positioning gaps.
• Support the creation of financial models and unit economics analysis for the new energy supply venture.
• Collaborate closely with product and engineering teams to ensure value propositions are technically feasible and marketable.

Requirements

• Current enrollment in a Bachelor or Master degree program in Engineering, Economics, Business, or a related discipline.
• Proficiency in both German and English.
• Ability to work from the Berlin AI Campus.
• Entrepreneurial approach to problem-solving and data analysis.
• Interest in the intersection of B2B SaaS, artificial intelligence, and the energy sector.
• Strong communication skills for relationship building and outreach.
• Capacity to manage multiple priorities and deadlines in a fast moving startup environment.
• Willingness to learn new tools and methodologies quickly with minimal supervision.
• Commitment to maintaining data integrity and rigorous documentation in all sales activities.
• Alignment with the long term vision of building scalable, AI driven infrastructure for the energy transition.

Nice to have

• Experience with automation and CRM software.

Skills & tools

• Apollo
• HubSpot
• n8n
• Notion

Practical notes

• Start date is immediate.
• Role includes hybrid work flexibility.
• Compensation is competitive.
• High performers may transition into working student or full-time roles.

This internship is designed for individuals who are excited to move beyond theory and into the execution of real world business building initiatives. You will be operating at the intersection of technology and energy, working with a team that values speed, clarity, and impact. The successful candidate will thrive in an environment where ownership is expected and autonomy is granted. You will engage with complex problems that require both analytical rigor and creative thinking, pushing the boundaries of what is possible for a nascent venture in the climate tech space. The role demands a high level of responsibility, as your contributions will directly shape the early growth trajectory of the company. You must be comfortable navigating ambiguity and making decisions based on limited information, a common reality in early stage startups. Fluency in German and English is essential to communicate effectively with both technical and commercial stakeholders. The position requires physical presence at the Berlin AI Campus, ensuring close collaboration and rapid iteration with fellow builders. Immediate availability is required due to the urgent needs of the venture. Compensation will be structured to reflect the scope of the role and the value delivered to the organization. High performing interns will be considered for extended engagements, working student positions, or direct conversion to full time employment upon graduation. This is a rare opportunity to join a mission driven team focused on leveraging AI to solve critical energy challenges. If you are passionate about sustainability, technology, and building scalable businesses, this role is a perfect fit.