Lead Commissioning Engineer (m/f/d) for Energy Generation Systems

dreessommerseBerlin

On-site Full-time

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Experience Level

Experience

Qualifications

To succeed in this role, you should possess:A degree in Electrical, Mechanical, or Renewable Energy EngineeringProven experience in commissioning energy systemsStrong leadership and project management skillsExcellent problem-solving abilitiesFluency in German and English

About the job

We are seeking a passionate and experienced Lead Commissioning Engineer (m/f/d) to oversee the commissioning of cutting-edge energy generation systems. In this critical role, you will lead a team of engineers and technicians to ensure the successful installation and operation of renewable energy technologies.

Your responsibilities will include project management, technical guidance, and collaboration with cross-functional teams to deliver high-quality energy solutions. You will also be responsible for troubleshooting and optimizing system performance to meet industry standards.

About dreessommerse

dreessommerse is a leading company in the renewable energy sector, dedicated to providing innovative energy solutions. Based in Berlin, we pride ourselves on our commitment to sustainability and technological advancement. Join our team and be part of the energy revolution!

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Senior Software Engineer - Renewable Energy Solutions

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Mar 31, 2026

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Senior Software Engineer - Renewable Energy Solutions

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Full-time|On-site|Berlin

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Full-time|On-site|Berlin

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Lead Commissioning Engineer (m/f/d) for Energy Generation Systems

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Full-time|On-site|Berlin

We are seeking a passionate and experienced Lead Commissioning Engineer (m/f/d) to oversee the commissioning of cutting-edge energy generation systems. In this critical role, you will lead a team of engineers and technicians to ensure the successful installation and operation of renewable energy technologies.Your responsibilities will include project management, technical guidance, and collaboration with cross-functional teams to deliver high-quality energy solutions. You will also be responsible for troubleshooting and optimizing system performance to meet industry standards.

Nov 12, 2025

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Senior Embedded Engineer - Energy Platform (f/m/x)

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Full-time|On-site|Berlin

At Enpal, we are more than just a company; we are part of a transformative movement. As a celebrated greentech unicorn and one of Europe's fastest-growing energy enterprises, we are committed to making solar energy accessible and effortless for homeowners across the continent. Our groundbreaking business model encompasses solar panels, heat pumps, home energy storage systems, and EV charging stations, redefining the residential energy landscape. With a mission to empower homeowners to adopt clean energy, we are laying the foundation for a sustainable and decentralized energy future.As a leader in the residential solar energy sector, Enpal is on a growth trajectory with a clear vision: to become the driving force in Europe's transition to sustainable and decentralized energy generation.Job OverviewBased in either Berlin or Stuttgart, we are expanding our tech team to further develop the core of the Enpal system - our IoT division. Collaborating closely with partner companies, we aim to craft seamless and innovative energy solutions for the future.In the role of Senior Embedded Software Engineer (f/m/x), you will engage directly with hardware, production systems, and real-world operational challenges. This position is pivotal in designing, validating, and operating systems that must perform reliably in the field, combining substantial technical expertise with hands-on leadership in production-grade IoT environments. If you value ownership, technical depth, and transparent collaboration, this role offers the opportunity to significantly influence both systems and processes.Design, validate, and optimize firmware for Linux-based IoT devices.Assist colleagues in building and maintaining essential software services for IoT device configuration and activation in production environments.Collaborate with partner companies to validate externally delivered software.Establish and maintain automated validation pipelines (HIL/SIL testing).Enhance and maintain Linux systems built with the Yocto build chain.Contribute to CI/CD pipelines and release processes using Git-based workflows.Enhance system-level reliability (network interfaces, systemd, boot flows, toolchains).

Mar 31, 2026

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Junior to Mid-Level Fullstack Software Engineer (m/f/d)

Reonic

Full-time|On-site|Berlin

Are you enthusiastic about software development and the renewable energy sector?If you excel in dynamic, fast-paced, and purpose-driven environments, and you're eager to take ownership of your work, we want to hear from you! Join us in enhancing our innovative frontend solutions that are making a positive impact on the world.About Reonic At Reonic, our goal is to simplify renewable technology through our B2B SaaS solutions tailored for solar energy, storage solutions, and heat pumps. Supported by leading investors and trusted by over 1,600 business clients, we're expanding our engineering team with a Fullstack Developer.Your Role Frontend Development: Engage in the development of our B2B SaaS products, focusing primarily on our feature-rich frontends. Design Engaging Interfaces: Create intuitive and responsive components utilizing React, TypeScript, and Tailwind CSS. Enhance User Experience: Contribute to crafting exceptional User Experiences for our market. Collaborate with Teams: Work closely with Product and Design teams to shape the overall aesthetic of the web application. (Optional) Expand Your RoleDepending on your interests and skill set, you may have opportunities to engage with:Node.js back-end developmentDatabase design and management (especially SQL and bonus points for experience with PostgreSQL)Integration with Prisma ORMExploration of Rust (not mandatory, but a valuable asset if you’re interested)Familiarity with GraphQL is a significant advantage!Are You the Right Fit? Practical Experience: At least 1 year of software development experience, preferably in a startup or product-focused environment Commitment to Renewable Energy: A genuine passion for renewable technologies and sustainability.

Mar 5, 2026

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Full-time|On-site|Berlin

At Reonic, we are excited to receive applications from enthusiastic and innovative minds who are passionate about transforming the landscape of renewable technology! We invite you to showcase your unique skills and ideas, and let us know how you plan to contribute to our mission.Are you ready to help us shape the future of renewable energy? Click the button below to apply!

Nov 13, 2024

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Senior Staff Software Engineer - Delta

Databricks

Full-time|On-site|Berlin, Germany

Join Databricks as a Senior Staff Software Engineer! At Databricks, we are passionate about empowering data teams to tackle some of the world's most challenging problems, ranging from security threat detection to groundbreaking cancer drug development. Our mission is to build and operate the finest data and AI infrastructure platform, allowing our customers to concentrate on the high-value challenges central to their missions. Our engineering teams develop sophisticated products that address significant needs globally. We are responsible for one of the largest-scale software platforms, consisting of millions of virtual machines that generate terabytes of logs and process exabytes of data daily. Given our scale, we frequently encounter cloud hardware, network, and operating system issues, and our software is designed to shield our customers from these challenges seamlessly. The Delta DML team is responsible for the core write-path operations of Delta Lake, the open-source storage layer powering the Databricks Lakehouse. Our goal is to deliver top-tier performance and a smooth user experience at massive scales, with the majority of data processed in Databricks traversing our platform. We spearhead performance innovations such as Low Shuffle Merge and Deletion Vectors, and actively contribute to open-source initiatives to unify Delta and Iceberg formats. We are looking for a highly capable and experienced Senior Staff Software Engineer to join our backend team. In this pivotal role, you will be key in designing, developing, and maintaining robust backend systems that power Databricks workspaces. You will create the next-generation platform for serving workspace assets, ensuring high queries per second (QPS), low latency, reliability, and performance, while proactively addressing future growth challenges. Additionally, as a senior team member, you will provide technical leadership, mentorship, and guidance to junior engineers, enhancing overall team coding practices and system designs. Your Impact: Address real business needs at scale through your software engineering expertise. Conduct low-level systems debugging, performance measurement, and optimization on extensive production clusters. Architect design solutions, influence product roadmaps, and take ownership of new projects. Implement tools to enhance automation and operability of services. Utilize your extensive experience to help prevent and investigate production issues. Plan and lead complex technical projects that involve collaboration with multiple teams across the company. Act as a technical team lead by mentoring others, leading sprint planning, delegating tasks, and participating in project planning.

Jan 30, 2026

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Senior Backend Engineer

Nomos

Full-time|On-site|Berlin

About NomosAt Nomos, our mission is to make energy accessible and cost-effective for households across Europe. We collaborate with leading technology firms to innovate energy solutions that integrate seamlessly with electric vehicles, heat pumps, battery storage systems, and more, driving down costs for consumers.About the TeamFounded by Stefan and Nils in 2024, our diverse team comprises former researchers, entrepreneurs, and senior engineers. We are united by our shared vision to revolutionize the energy landscape in Europe, fueled by a collective frustration with the existing system. We cherish a culture of open communication, accountability, and inclusivity, and we thrive in our Berlin Mitte office, valuing meritocracy and craftsmanship.Your RoleArchitect for the Future: You will help design and enhance our own operating system, which includes a modular billing engine and energy market communication protocols. Your role is crucial in ensuring our architecture keeps pace with exponential growth.Simplifying Complexity: The energy sector is rife with challenges. Your task is to tackle this complexity by developing clear abstractions and reducing the difficulty of shipping new features.Quality Over Speed: We believe in balancing speed with quality. You will ensure that we invest the time necessary to build reliable solutions that facilitate future growth.Upholding Standards: You will set engineering benchmarks, evaluate critical code, and maintain accountability within the team. Your vigilance will help us avoid shortcuts and uphold best practices.ResponsibilitiesDesign and enhance the core systems powering Nomos, including billing, procurement, metering, partner integrations, and comprehensive data pipelines.Focus on correctness, performance, and resilience. Always consider system behavior under significantly increased loads.Leverage AI tools to streamline repetitive tasks while maintaining ownership of the overall architecture and decision-making process.

Feb 8, 2026

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Intern in Energy Operations (m/f/d)

Enpal GmbH

Intern|On-site|Berlin

At Enpal, we strive for a solar panel on every rooftop, a battery in every home, and an electric vehicle in every garage. Our mission is facilitated by an integrated solution for decentralized energy, encompassing solar panels, battery storage, wall boxes, smart meters, and heat pumps. Central to our operations is our AI-driven platform Enpal.One+, which intelligently connects thousands of systems and optimizes energy consumption and feed-in at the energy market.Are you ready to contribute to solutions that deliver real quality of life to thousands of households? What you help create at Enpal will provide clean energy tomorrow and sustainably change how we utilize energy.Your ResponsibilitiesAs part of Enpal Energy, we are building Europe's largest Virtual Power Plant as a corporate venture, laying the foundation for an intelligent, scalable, and sustainable energy supply.Assist the Energy Invoicing Ops Team in daily operations and scaling initiatives (e.g., rollouts, new process setups, or operational exceptions).Ensure smooth operational processes surrounding customer invoicing.Coordinate communication with internal stakeholders (Ops, Product/Tech, and Customer Success) as well as external partners (e.g., service providers, market partners) and maintain follow-ups on topics diligently.Analyze data/KPIs, identify pain points, document processes, and implement improvements pragmatically using exciting tools like Airtable or Make.

Mar 30, 2026

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