Founders Associate (f/m/x) to the CEO – GreenTech

suena GmbH

Job Description

Hamburg Hybrid | 60.000 to 70.000 € p.a. | 30 days vacation | German / English C1

Are you enthusiastic about intelligent and effective software solutions to the energy transition? Join us at suena energy as Founders Associate (f/m/x) and and work side-by-side with our CEO to drive impact, innovation, and growth in one of Europe's most exciting green tech startups. This is your chance to gain deep, hands-on insight into all areas of a growth startup and to leave your mark on the energy transition.

suena energy is a green tech startup specializing in algorithmic energy trading for energy storage systems and renewable energies.
Our vision: a world where clean energy is used reliably, economically, and intelligently. With our AI-based optimization and trading software, we maximize the revenues of operators of large-scale energy storage and renewable assets on short-term electricity and balancing markets - while simultaneously minimizing their risks.

We are a 35-people team, which c ombines coziness and fast-paced dynamics. Following our successful Series A, we're investing in expanding our team – and we're excited to strengthen our team with new talent and continue growing together!

Founders Associate (f/m/x) to the CEO - GreenTech


  • Organize, prioritize, and manage our CEO Lennard's daily business - using AI and digital tools to automate and streamline tasks.
  • Own the CEO's inbox, act as a trusted “firewall,” and keep priorities on track.
  • Prepare, structure, and follow up on internal workshops and strategy sessions.
  • Set up and optimize C-level reporting and performance measurement, ensuring Lennard always has a clear overview.
  • Act as an information hub between C-level, commercial, and operations - extracting and documenting Lennard's knowledge to make it accessible for the whole team.
  • Support Lennard in preparing for panels, conferences, and key meetings, often in close collaboration with Marketing.

What's in it for you?
Within 1-2 years, you'll automate and optimize workflows so C-level can focus on strategy - gaining unique, hands-on insight into building a European energy startup and setting yourself up for your next big step: leadership, specialization, or even founding your own company.


  • First professional experience (working student / internships) in fast-paced environments such as (student) consulting, start-/scale-ups or similar fields.
  • Master's degree or MBA in Management, Business Administration, Entrepreneurship or a related field.
  • Strong digital skills: Confident with Notion (or similar tools), OpenAI for automation, HubSpot (or similar) and Microsoft Office.
  • Fluent in German and English (min. C1).
  • Exceptionally structured, reliable, and proactive - you spot what needs to be done and act on it.
  • Discreet and trustworthy - comfortable working with sensitive information.
  • Ambitious and eager to learn - ready to shape your own role and grow with us.
  • Energy sector experience is a plus, but your go-to-market mindset matters most.

  • Shape the Future: Help drive the energy transition with us! Join a booming market, real startup spirit, and make your mark in sustainability.
  • Connecting & Co-Creating: Strategy off-sites (like Denmark 2024) and onsite weeks for real collaboration and shared ideas.
  • Work Your Way: Home office and flexible hours – you know what works best for you and your team.
  • Team Spirit: Yoga, shared lunches, after-work fun – we support each other and keep the vibe strong, even when it's busy. Barista, DJ, guitarist included – we can't wait to discover your hidden talent!
  • Fair & Transparent: Clear structures, democratic decisions, and a feedback culture where your voice counts.
  • Body & Mind: Urban Sports Club membership, wellbeing check-ins, and mental health support – your energy matters.
  • New Office Vibes: 10th-floor office with rooftop terrace, canteen, great views, ergonomic desks, hardware of your choice, and pet-friendly!
  • Sustainable Extras: Deutschlandticket, FutureBens, and more – supporting your mobility and future.

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