Head of Heat Operations (m/w/d) Abteilungsleitung Wärmepumpen

Ostrom

🌐 We are on the mission to build Europe’s leading energy management platform to provide fair, clean energy to everyone. ⚡ We’re a diverse team of 50+ employees, with 46% being female and from 16+ nationalities, and steadily growing. Having raised of over €40 M in total, we are looking for passionate people to join us on our mission! 🚀 🇩🇪 Wir haben eine klare Mission: Wir bauen Europas führende Plattform für Energiemanagement, um faire und saubere Energie für alle zugänglich zu machen. ⚡ Unser Team ist vielfältig – wir sind über 50 Personen aus mehr als 16 Nationalitäten, mit einem Frauenanteil von 46 %. Und wir wachsen weiter! Mit über 40 Mio. € an Finanzierung suchen wir nach motivierten Menschen, die gemeinsam mit uns die Energiezukunft gestalten wollen. 🚀 ÜBER OSTROM Ostrom ist der digital-first Ökostromanbieter aus Berlin. Wir machen Energie einfach, transparent und fair: gute Preise, eine App, die wirklich funktioniert, und smarte Features wie Smartes Laden, dynamische Tarife und intelligente Verbrauchssteuerung. Über unser Virtuelles Kraftwerk (VPP) vernetzen wir tausende Haushalte zu einem flexiblen Energiesystem und machen so aus jedem Zuhause einen Teil der Energiewende. Energie. Einfach Besser. Wir wachsen schnell, sind von namhaften internationalen VCs finanziert und auf dem Weg zum profitablen Wachstum. Jetzt suchen wir jemanden, der unser Marketing auf das nächste Level bringt. DIE ROLLE Als Head of Marketing (m/w/d) verantwortest du unsere Neukundengewinnung und unsere Marke. Du entwickelst die Strategie, baust das Team auf und treibst das Wachstum über alle Kanäle voran. In dieser Senior-Leadership-Rolle übernimmst du echte Verantwortung: Du berichtest direkt an unseren Gründer und CEO, führst das Marketing-Team und hast echte Budgetverantwortung. DEINE AUFGABEN * Du definierst und steuerst Ostroms Marketingstrategie über Brand, Performance, Preisvergleichsportale, D2D, Social und CRM * Du verantwortest unsere Unit Economics mit sehr klarem Fokus auf kanalübergreifende(r) CAC-Optimierung, CAC-Payback und LTV/CAC in enger Zusammenarbeit mit Finance * Du arbeitest eng mit unserem Produkt- und Operations-Team an neuen Produktlaunches * Du entwickelst und führst unser schlankes und leistungsstarkes Marketingteam * Du treibst die Einführung von AI-Tools im gesamten Marketing voran und findest die Use Cases mit dem größten Hebel (Personalisierung, Predictive Analytics) * Du bleibst hands-on und treibst Kerninitiativen eigenständig voran DAS BRINGST DU MIT * 7+ Jahre Erfahrung im Marketing, davon mindestens 3 in einer Führungsrolle in einem schnell wachsenden Start-up, Scale-up oder einem vergleichbaren dynamischen Umfeld * Du arbeitest extrem datenbasiert, kannst relevante Marketing- und Business-Daten analysieren, verständlich visualisieren und daraus klare Entscheidungen ableiten * Du nutzt moderne Tools, KI-gestützte Workflows und Automatisierung, um Marketing-Prozesse effizienter zu machen und skalierbare Systeme aufzubauen * Du hast B2C-Consumer-Brands skaliert, idealerweise in Energie, Fintech (Banking/Insurance) oder vergleichbaren Branchen * Starkes Verständnis für Brand- und Performance-Marketing, mit Hands-on-Erfahrung in der kanalübergreifenden Steuerung, Optimierung und Erfolgsmessung * Sehr gutes wirtschaftliches Verständnis: Du denkst in Unit Economics, Margen und Customer Lifetime Value * Absolutes Muss: Deutsch auf Muttersprachniveau, sehr gutes Englisch in Wort und Schrift * Builder-Mindset: Du kommst gut mit Unklarheit zurecht, priorisierst klar und bringst Dinge pragmatisch voran * Klare, souveräne Kommunikation, schriftlich und persönlich NICE-TO-HAVE * Erfahrung im Energiesektor 🌐 ABOUT US We’re Germany’s fastest-growing digital green energy provider and a Certified B Corp™ , driving the energy transition by making renewable energy more accessible and inclusive. How? Through variable tariffs, dynamic pricing, smart EV charging, heat pump and solar optimization, and Germany’s first virtual power plant: NeoGrid™. At Ostrom, you’ll work in a dynamic, open environment where you can be yourself, take on challenges, and grow both personally and professionally. 🌱Environmental Impact: Each customer who switches to Ostrom on average helps offset 1.5 tons of CO2 emissions per year compared to the average German energy mix. 📈 VSOP: On top of offering a competitive salary you will have access to company shares to ensure you can truly be part of the journey. 👭 Trust-based Team: A truly flat hierarchy and transparent company culture, where everyone’s voice matters. 💪🏽Benefits: An annual learning budget, company-pension scheme, company events, discounted USC membership, discounted BVG public transport ticket, e-bike or e-moped, exclusive discounts via FutureBens or monthly vouchers - the choice is yours. 💬 Stay In The Loop: We believe in transparent communication — from weekly town halls and quarterly updates to regular retrospectives. Got feedback or an idea? We’re all ears. 🤝 Work Together, Celebrate Together: We thrive on collaboration. Wins are shared and so are the celebrations from monthly happy hours to team trips and company events. 🌍 Work Your Way: Whether you prefer the office, your home desk, or a sunny spot in Sardinia — you work where you work best. 🚀 Learn By Doing: We grow together with personal development paths, learning budgets, and regular knowledge-sharing sessions. Try things out, learn along the way, and keep moving forward. 🇩🇪 ÜBER UNS Wir sind der am schnellsten wachsende digitale Ökostromanbieter mit B Corp™ Zertifizierung in Deutschland – und treiben die Energiewende aktiv voran. Unser Ziel: Erneuerbare Energie für alle zugänglich und inklusiv machen. Wie? Mit variablen Tarifen, dynamischem Strompreis, Smart EV Charging, Optimierung von Wärmepumpen und Solaranlagen sowie Deutschlands erstem virtuellen Kraftwerk: NeoGrid™. Bei Ostrom arbeitest du in einem offenen, dynamischen Umfeld, in dem du du selbst sein kannst, Herausforderungen annimmst und dich kontinuierlich weiterentwickelst. 🌱 Nachhaltigkeit, die zählt: Mit deinem Wechsel zu Ostrom unterstützt du aktiv die Energiewende. Unsere Kund*innen helfen im Schnitt, jährlich 1,5 Tonnen CO₂ gegenüber dem deutschen Durchschnittsstrommix einzusparen. 📈 Wertschätzung, die sich auszahlt: Neben einem attraktiven Gehalt erhältst du bei uns VSOPs – Unternehmensanteile, mit denen du direkt am Erfolg von Ostrom beteiligt bist. 👭 Teamkultur auf Augenhöhe: Bei Ostrom leben wir flache Hierarchien und eine offene Feedbackkultur. Deine Meinung zählt – vom ersten Tag an. 💪🏽 Benefits: Du erhältst ein flexibles Paket mit vielen Extras – von einem jährlichen Weiterbildungsbudget, über eine betriebliche Altersvorsorge, bis hin zu einer vergünstigten USC-Mitgliedschaft, einem vergünstigten BVG Jobticket oder deinem eigenen E-Bike bzw. E-Roller und sowie Rabattcodes über FutureBens. Alternativ wählst du monatliche Gutscheine – du entscheidest, was dir wichtig ist. 💬 Transparenz: Ob in wöchentlichen Townhalls, vierteljährlichen Updates oder offenen Retrospektiven – wir glauben an klare Kommunikation und kontinuierlichen Austausch. 🤝 Erfolge feiern wir gemeinsam: Teamarbeit steht bei uns im Mittelpunkt – und genauso feiern wir auch unsere Erfolge: mit regelmäßigen Happy Hours, Team-Ausflügen und unvergesslichen Company Events. 🌍 Work you way: Ob im Berliner Büro, im Homeoffice oder remote unter der Sonne – bei uns arbeitest du dort, wo du am produktivsten bist. 🚀 Wachse mit uns: Persönliche Entwicklung ist bei Ostrom keine Floskel. Wir unterstützen dich mit Lernbudgets und Raum zum Ausprobieren – damit du dich fachlich und persönlich kontinuierlich weiterentwickeln kannst.

Isar Aerospace

Mission Brief  As a Design Engineer your main task is to support the combustion team in the design of components and assemblies of rocket engine combustion devices. These include the thrust chamber assembly consisting of the injector head, chamber, nozzle and nozzle extension, as well as the gas generator and the ignition system.  Your Role in Our Space Mission  * Perform CAD design and fluid-dynamics analysis of combustion devices components. * Participate in the entire design cycle of combustion devices from layout to component design of injector elements, manifolds, cooling channels, chamber, nozzle, gas generator and ignition system to the maturation of these components and the overall system through testing. * Be in contact with the production department to ensure that the designs comply with the chosen manufacturing methods and to track the manufacturing status of critical components. * Develop and mature tools specific to the design and development of combustion components. * Perform CFD calculations for reacting and non-reacting combustion devices parts. * Ensure component and system performance through development testing, design iterations and post-test data reviews. * Optimize thrust chamber assembly, gas generator and ignition system parts with regards to manufacturability and weight reduction.  Qualification Checklist * M.Sc. degree in mechanical engineering, aerospace engineering or similar * 2+ years of professional experience in propulsion systems design, analysis or testing * Experience with rocket engine or gas turbine component development including combustion chambers, nozzles, injectors, ignition systems * Hands on experience in testing preparation and operation as well as post-test data reviews * Experience with cryogenic fluids and oxygen compatibility * Exceptional comprehension of engineering fundamentals: fluid dynamics, combustion and heat transfer * Proficiency in 3D CAD programs (SolidWorks & SiemensNX preferred)  * Proficiency in Python, Matlab or similar programming language  * Passion for rocket propulsion and space * Ability to effectively collaborate on multi-disciplinary and cross-functional teams * Highly organized and proactive with high attention to detail * Driven and eager to learn * Willingness to travel in support of launching and testing hardware Bonus Skills * Experience with numerical tools such as ANSYS Mechanical and/or ANSYS Fluent/STAR-CCM+ or similar for reacting CFD * Working knowledge of engine fluid components such as valves and pressure regulators * Experience in manufacturing  Benefits  * Employee Participation Program: Share in our success through our virtual company share program * 30 days of vacation: Enjoy the days off to relax and recharge * Company pension plan: Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period * Subsidised lunch: Stay energised with delicious, subsidised lunches every day * Public transport ticket: Commute with ease using a fully financed Deutschlandticket * Sport Clubs membership: Stay fit with our sponsored sports club memberships (EGYM Wellpass) * Individual learning allowance: Grow your skills with an individual learning budget granted after the probation period * Childcare allowance: Receive a childcare allowance for your non-school-age children * And Much More! Discover additional perks and benefits when you join our team         Who we are We are Isar Aerospace and we are at the forefront of New Space building a modern space business to enable faster, better and cheaper access to space. Our mission is to help democratise space and use it for good in order to improve life on Earth now and for the future generations. We are a fast-growing company aiming to provide sustainable and environmentally friendly launch solutions for small and medium-sized satellites and constellations into Low Earth Orbit. The company is privately funded by world-leading technology investors with strong commitment and support and our team is made of driven and talented people with a real passion for space innovation. We're making rockets in a way that hasn't been done before disrupting a traditional industry. If you are up for the challenge, want to work on cutting-edge projects and be part of a team changing the world for better, come, join us and launch your career! Want to find out more about us? Visit www.isaraerospace.com   Data Protection We process your personal data for the purpose of managing the recruitment process and assessing your application. For detailed information on how your data is processed, including your rights, please refer to our Privacy Policy. Disclaimer Isar Aerospace SE is an equal-opportunity employer committed to fairness and inclusivity. We do not prioritize any specific religion, gender, nationality, or background. Due to security clearance requirements, affiliations with countries listed under § 13 para. 1 no. 17 SÜG may affect the application process. All qualified applicants are encouraged to apply. We use Metaview to record interview audio so our team can review it later and stay focused during the conversation. We will record interviews only if you opt in. Please note that we will request your consent separately during the interview process. Participation is completely voluntary and will not affect your application in any way. For more information on how we process your personal data, please see our Privacy Policy.

Stegra

Studies show that women and underrepresented groups often hesitate to apply unless they meet every requirement. At Stegra, we’re building an impact-driven, sustainable company - and we need a diverse, inclusive team to make it happen. If you share our passion but don’t meet every qualification, we encourage you to apply anyway. You might be the perfect fit for this role, or another as we grow. At Stegra, we’re not just building a plant, we’re proving that sustainable industry is possible. And to do that, we need people like you. Join a team where safety comes first. Where we support each other, learn as we go, and make space for everyone to grow and contribute. This is your chance to be part of something big - while being closer to nature and leading a balanced, purposeful life. HEAD OF INTERNAL AUDIT Stegra is looking for a Head of Internal Audit with a unique opportunity to establish, shape and lead the Group’s internal audit function. This is a highly visible role with direct exposure to the Audit Committee and senior management, where you will work in close collaboration with the business and contribute to strengthening governance, risk management and internal control in an international and dynamic environment. As Head of Internal Audit, you will be responsible for designing, building and implementing a risk-based audit plan and evaluate the organization’s internal governance, risk management, and control environment. You will define the strategy, establish ways of working and ensure an efficient and value-adding audit function across the organization. The role reports to the Audit Committee with a dotted line to the CFO. The role includes presenting clear and constructive Audit reports including action plans and recommendations to senior management as well as the Board and following up to ensure that actions are implemented. We are looking for a senior and business-oriented internal audit leader who combines strategic thinking with hands-on execution. You are comfortable building structure from scratch and navigating a complex, international organization. Your responsibilities include promoting a strong culture of transparency, accountability, and ethics, and providing advisory support on matters related to risk, governance and internal control. You will also be responsible for quality assurance and the continuous development of internal audit practices in line with international standards. RESPONSIBILITIES • Design and implement the internal audit function, including methodology, governance and operating model • Establish and drive a global, risk-based audit plan • Strengthen governance, risk management and internal control across the organization • Lead and execute audits across financial, operational and compliance areas • Act as a trusted advisor to senior management on risk, control and transformation topics • Build and develop an internal audit team over time Qualifications • Proven track record within internal audit, risk, finance or advisory • Experience from a senior Internal Audit role, ideally as Head of Internal Audit or equivalent • Background from large, international and preferably decentralized organizations • Exposure to industrial, manufacturing or technology-driven businesses is highly preferred • Experience working in transformation, M&A or other complex organizational environments • Strong understanding of governance, risk management and internal control frameworks (e.g. COSO) • Academic degree in Finance, Business or a related field • Fluency in English is required, fluency in Swedish is preferred • Thorough familiarity with internal auditing and accounting principles and methodologies, risk and control principles PERSONAL CHARACTERISTICS • Strategic and hands-on, with the ability to both define direction and execute • High integrity and credibility, with the confidence to challenge senior stakeholders • Strong stakeholder management skills and ability to build trust across a decentralized organization • Self-driven and comfortable operating with a high degree of autonomy • Change-oriented and effective in dynamic, evolving environments Location: Stockholm or Boden BENEFITS AT STEGRA At Stegra, you’ll join a company where your work has real impact on the climate, the industry, and future generations. We’re building a culture rooted in safety, trust, and inclusion, where people feel supported to grow and thrive. You’ll receive fair, competitive compensation aligned with collective agreements, along with benefits like up to 30 days of paid vacation, occupational pension, parental benefits, and insurance. If you need support with relocation or immigration, our relocation department will help guide you through the process, whether it’s permits, housing or other practical matters. You can also enjoy perks like subsidized gym memberships and bike leases, plus the everyday benefits of life closer to nature. Read more about Benefits at Stegra here. THIS IS STEGRA Stegra is on a mission to change the global steel industry by producing green hydrogen, iron, and steel - with the goal of eliminating CO₂ emissions. Instead of coal, we use green hydrogen and fossil-free electricity, meaning our primary emissions will be water and heat. By 2030, our ambition is to produce 5 million tonnes of green steel annually in our fully integrated, digitized, and sustainable plant in Boden, Northern Sweden - currently under construction. But this is just the beginning. Our expertise in green hydrogen will enable us to decarbonize industries beyond steel, paving the way for a cleaner future.