Director Engineering (m/f/d)

ABOUT GROVER Founded in 2015, Grover enables consumers and businesses across Europe to subscribe to tech devices and comprehensive technology solutions - from individual smartphones, laptops, and wearables to full corporate device setups. The company offers access to over 1,000 unique tech items on flexible and financially convenient terms. A pioneer of the circular economy, Grover refurbishes and recirculates devices to help eliminate e-waste. At Grover, we give more people access to tech and free them from the burden of ownership. Winning someone’s first order is the easy part. The real craft, and the heart of this role, is what happens next: turning that first subscription into a lasting relationship. As a Senior Product Manager on our Retention team, you’ll own the experience that keeps hundreds of thousands of renters engaged, deepens their trust in Grover, and grows a single subscription into a long-term, multi-device one. You’ll join our Product team at our Berlin HQ (3 days per week, Tuesday to Thursday), reporting into our Director of Product and working day to day with CRM and lifecycle marketing, engineering, design, and data, with regular exposure to senior leadership. WHAT YOU WILL CONTRIBUTE * Define, own, and execute the product vision, strategy, and roadmap for the retention and engagement lifecycle. * Own the end-to-end post-acquisition journey that turns single-subscription renters into engaged, multi-subscription customers, leading the full product lifecycle from discovery to launch across the mobile app, My Tech, subscription management (extend, upgrade, return, buy), multi-subscription flows, and lifecycle notifications. * Shape an engaging experience that grows customer lifetime value and reduces revocation. * Own and drive the KPIs that define success, such as Multi-Sub Adoption Rate, mobile app engagement, churn and revocation rate, and customer lifetime value (CLV), treating them as a connected system rather than a scorecard. * Drive product discovery through A/B testing, user research, and deep data analysis to understand what renters actually need and find new opportunities for engagement and growth. * Navigate the real trade-offs between growth and credit risk, partnering with CRM and lifecycle marketers, engineers, designers, and data analysts, and communicating strategy, priorities, and results clearly to senior leadership. WHAT YOU BRING * 3+ years of hands-on product management experience, with a proven track record of shipping successful, user-facing products in a B2C environment. * Significant experience working directly on a retention, engagement, lifecycle, or subscription-focused product team. * Strong analytical and quantitative skills. You’re an expert in data-driven decision-making, A/B testing, cohort analysis, and user analytics, and you can tell a clear story from a messy dataset. * Excellent communication, influencing, and stakeholder management skills, with a proven ability to lead and align cross-functional teams toward a shared goal. * Deep knowledge of agile development methodologies like SCRUM and Kanban. * Proficiency with modern product and analytics tools such as Jira, Amplitude, and Miro. IT’S A PLUS * Experience in e-commerce, fintech, or subscription-based business models. * A solid understanding of lifecycle marketing and CRM fundamentals, and how they intersect with product strategy. * Experience with experimentation platforms like Amplitude, Optimizely, VWO, Google Optimize, or Eppo. * Experience thriving in a fast-paced, high-growth startup environment. THE GROVER WAY: HOW WE DRIVE SUCCESS * Own It: We take ownership seriously and define what success looks like. We drive shared ownership and don’t wait, we drive. We keep one another accountable and take responsibility when issues arise. * Challenge, Decide, and Commit: We engage in proactive support, active listening, and healthy conflict to reach the best outcomes. We value diverse perspectives and, once a decision is made, we commit to it fully. * Empower and Grow: We enable, trust, and coach one another toward high performance, always thinking and acting like owners. We seek growth, apply feedback, and support the development of our peers. * Respect, Transparency, and Clarity: We strive for clear, respectful, and open communication with no surprises. We simplify complex information so everyone knows the “what, why, and how”. WHAT YOU WILL LOVE ABOUT US * BVG monthly discount to drive you everywhere in Berlin * Mental health support with Nilohealth * Physical health support with Urban Sports Club * Annual learning budget of 750€ * 15 remote business days to work abroad * Exclusive Grover Tech discount for you and your loved ones * Engaging, open office located in Berlin-Schöneberg with regular events, and is dog-friendly * A diverse global team of 75 nationalities (and counting!), genuinely the nicest group of colleagues who will soon become friends Embark on a rewarding journey with the Grover Rocketship, where your impact is felt, and together, we cultivate a more circular world. Grover is an equal opportunity employer. We celebrate diversity and welcome every applicant, regardless of gender, age, ethnicity, religion, sexual orientation, disability, or background.

Mission Brief  As Director of Production Engineering, you are accountable for the end-to-end production engineering capability across all manufacturing operations. Your mission is to industrialize development outputs into repeatable, scalable, and compliant serial production, ensuring manufacturing readiness, process stability, quality, cost efficiency, and on-time delivery. You lead the team that converts early procedures into robust production standards, embeds them in PLM/MES systems, and drives continuous improvement across the factory. You act as the primary interface between Engineering (design & development) and Manufacturing (production & operations)—ensuring requirements, procedures, tooling, documentation, test strategies, and digital manufacturing infrastructure are aligned for high-rate, high-quality execution.  Your Role in Our Space Mission:  1) Production engineering strategy & leadership * Define and execute the production engineering roadmap, including industrialization strategy, standardization, and scalability for serial production. * Lead and develop a team of production/process/manufacturing engineers; set goals, coaching plans, hiring needs, and performance standards. * Establish clear governance for process ownership, engineering change implementation, and cross-functional decision-making. 2) Assembly, integration & test (AIT) process ownership * Own manufacturing process definition across: * Assembly: mechanical/electrical build procedures, torque specs, critical process parameters, work instructions. * Integration: subsystem integration strategy (e.g., avionics, propulsion, communications), sequencing, interfaces, and acceptance criteria. * Testing: functional, subsystem, and system-level test strategy; test readiness, execution plans, and troubleshooting methodology. * Ensure processes are repeatable, auditable, and optimized for safety, throughput, and quality. 3) Industrialization & manufacturing readiness (NPI / transfer to production) * Coordinate with development teams to receive initial procedures and convert them into production-ready standards (control plans, critical-to-quality characteristics where relevant). * Drive manufacturing readiness reviews, line readiness, and process qualification for new products, variants, or upgrades. * Lead the “first builds”/pilot runs, capturing learnings and stabilizing procedures for volume execution. 4) Digital manufacturing (PLM/MES) & configuration control * Own the production engineering contribution to PLM/MES: * Translate procedures into structured digital work instructions. * Ensure traceability, configuration control, and alignment of as-built data. * Oversee creation and maintenance of: * mBOM (Manufacturing Bill of Materials) * BOP (Bill of Process) * Routings, work centers, and data collection points for quality and traceability. * Ensure engineering changes are implemented cleanly and quickly, with minimal disruption to production. 5) Documentation, compliance & quality partnership * Ensure complete, consistent documentation for: * Work instructions, process specifications, test reports, NCRs (non-conformance reports), deviations/waivers, and as-built configurations. * Partner with Quality to build robust nonconformance management and corrective action systems (root cause, containment, RCCA & PA). * Ensure processes meet applicable regulatory, customer, and internal compliance requirements. 6) Cross-functional execution & production support * Serve as senior escalation point for technical blockers in production: diagnose recurring issues, direct corrective actions, and prevent reoccurrence. * Align with Supply Chain and Operations on: * Kitting strategy, material availability, critical path timelines, and constraint removal. * Coordinate engineering support coverage and readiness for shifts, rate increases, and critical campaigns. 7) Continuous improvement, cost & throughput * Support Lean Team on Lean/CI initiatives to improve: * Yield, cycle time, takt adherence, OEE, scrap/rework reduction, and labor efficiency. * Establish KPIs and operating mechanisms (tier meetings, weekly business reviews) to track and improve production engineering performance. * Build business cases for capital investments (test equipment, tooling, automation) and manage the budget for your scope. 8) Capability building: training & knowledge management * Build a strong knowledge-transfer system between engineers and technicians: * Training plans, certification matrices, standardized visual work instructions, and lessons-learned libraries. * Ensure procedures are systematically categorized, version-controlled, and easily accessible to production teams. Success measures (typical KPIs) * Improved first-pass yield, reduced NCR rate, reduced rework hours * Reduced cycle time and improved on-time delivery * Faster and cleaner engineering change implementation * Increased process stability (fewer repeat issues, fewer line stops) * Strong audit outcomes and complete traceability / as-built compliance * High team engagement, retention, and capability maturity Qualification Checklist  * Bachelor’s or Master’s degree in Mechanical, Electrical, Aerospace, Automotive, Industrial Engineering, or similar. * Significant experience in production/manufacturing engineering, industrialization, manufacturing operations—ideally across complex electromechanical systems. * Proven leadership experience managing teams and cross-functional stakeholders. * Strong working knowledge of PLM and/or MES, and structured manufacturing artifacts such as mBOM/BOP, routings, work instructions, and configuration control. * Demonstrated ability in troubleshooting and structured problem solving (e.g., 8D, Ishikawa, 5-Why). * Solid project/program management skills: prioritization, risk management, schedule ownership. * Fluent English; German or other languages depending on site needs. 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 * Rental clothing with laundry service: Enjoy hassle-free workwear with our convenient rental clothing and laundry service   * 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. Metaview We use Metaview to record interview audio so our team can review it later and stay focused during the conversation. 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