Head of Marketing (m/w/d)

Ostrom GmbH

Job Overview

Location

Berlin / Remote

Job Type

Full-time

Full Job Description

📋 Description

• Lead Ostrom’s end-to-end marketing strategy across brand, performance, price comparison portals, D2D, social, and CRM channels to drive customer acquisition and brand growth.
• Own and optimize unit economics including CAC, CAC payback, and LTV/CAC in close collaboration with the Finance team to ensure scalable, profitable growth.
• Build, lead, and scale a high-performing, lean marketing team with clear accountability and ownership across functions.
• Drive the adoption of AI tools and automation across marketing workflows to enhance personalization, predictive analytics, and operational efficiency.
• Partner directly with Product and Operations teams to plan and execute successful product launches and feature rollouts.
• Maintain hands-on involvement in core marketing initiatives while providing strategic leadership and decision-making authority.
• Analyze marketing and business data rigorously to extract actionable insights, visualize performance trends, and inform data-driven decisions.
• Champion a builder mindset by navigating ambiguity, prioritizing effectively, and executing pragmatically in a fast-paced scale-up environment.
• Communicate clearly and confidently across teams, presenting strategic recommendations both verbally and in writing to senior leadership.
• Stay at the forefront of digital marketing innovation, leveraging modern tools and scalable systems to improve campaign performance and team productivity.
• Ensure all marketing activities align with Ostrom’s mission of making clean, fair energy accessible to everyone through transparent, customer-centric communication.
• Represent Ostrom as a Certified B Corp™ by embedding sustainability and ethical marketing practices into all customer-facing initiatives.
• Continuously refine customer acquisition strategies based on real-time performance data and market feedback to maximize ROI across channels.
• Foster a culture of experimentation, learning, and knowledge-sharing within the marketing team through regular retrospectives and skill development.
• Collaborate cross-functionally to align marketing goals with company-wide objectives, including profitability targets and environmental impact metrics.
• Translate complex business metrics into clear narratives for stakeholders, ensuring alignment between marketing outcomes and financial performance.
• Drive the integration of smart energy features (e.g., NeoGrid™, dynamic pricing, EV charging optimization) into marketing messaging and customer journeys.
• Maintain strict adherence to German regulatory standards in advertising and consumer communication while scaling brand reach across digital platforms.
• Balance long-term brand building with short-term performance marketing to create sustainable customer relationships and reduce churn.
• Act as the primary marketing liaison to the CEO and executive leadership, providing transparent reporting on KPIs, budget utilization, and growth trajectory.

🎯 Requirements

• 7+ years of marketing experience, with at least 3 years in a leadership role within a fast-growing startup, scale-up, or comparable dynamic environment
• Proven track record of scaling B2C consumer brands, ideally in energy, fintech (banking/insurance), or similar industries
• Strong data-driven mindset with ability to analyze marketing and business metrics, visualize insights, and make clear, actionable decisions
• Hands-on experience with channel-agnostic marketing optimization, including performance marketing, brand building, and CRM
• Excellent understanding of unit economics, margins, and customer lifetime value (LTV/CAC)
• Native-level German proficiency and very strong written and spoken English
• Builder mindset: comfortable with ambiguity, able to prioritize effectively, and skilled at driving initiatives forward pragmatically

🏖️ Benefits

• Company shares (VSOP) to align personal success with company growth
• Annual learning budget for professional development
• Company pension scheme (betriebliche Altersvorsorge)
• Discounted BVG public transport ticket or e-bike/e-moped provision
• Flexible work arrangement: work from Berlin office, remotely, or anywhere else
• Monthly voucher selection or alternative benefits via FutureBens
• Transparent communication through weekly town halls, quarterly updates, and retrospectives
• Inclusive, flat-hierarchy culture with emphasis on feedback and psychological safety

Skills & Technologies

Remote

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Ostrom GmbH

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About Ostrom GmbH

Ostrom GmbH supplies German households with 100 % renewable electricity under transparent, flexible monthly contracts. Through its digital platform, customers track real-time consumption, carbon savings and costs, while dynamic pricing reflects live market rates. The Berlin-based energy retailer integrates directly with smart-home devices and enables users to shift demand to cheaper, greener hours, reducing grid strain and personal bills. Founded in 2021, Ostrom operates without lock-ins or paper bills, managing metering, billing and support via a single mobile app and proprietary backend.

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