(Senior) HR Business Partner (m/f/d)

Mission Brief We are seeking a strategic, influential, and hands‑on Senior HR Business Partner who thrives in dynamic environments, navigates complexity with confidence, and drives meaningful organizational impact — all without direct people management responsibilities. Your Role in Our Space Mission : Strategic HR Business Partnering Advise senior leaders and shape people strategies aligned with business priorities. Use workforce insights to identify trends, risks, and opportunities. Explore and evaluate multiple strategic options, ask the right questions, and guide leaders toward well‑founded decisions. Build strong narratives and provide clear, compelling storytelling to support alignment and change. Drive organizational design, talent planning, and succession initiatives. Champion diversity, equity, and inclusion across the organization. Partner with Centers of Excellence to deliver integrated HR solutions. Collaborate effectively across cultures, especially with teams in Germany, Sweden, and Norway. Travel occasionally to support leaders and teams across locations. Operational Excellence Ensure HR policies and processes are compliant, scalable, and aligned with company values. Provide guidance on employee relations, performance, and development. Work closely with Works Councils with transparency and constructive co‑determination. Lead and support change management initiatives. Set up and refine HR initiatives, frameworks, and processes where needed Drive cross‑functional projects with strong project management discipline. Continuously improve HR processes and the employee experience. Support leaders through organizational change with clarity and empathy. Use Workday effectively for reporting, analytics, and organizational updates. Qualification Checklist Several years of HR Business Partner experience in international, fast‑paced environments. Strong HR expertise in Germany; knowledge of Sweden and Norway is a plus. Fluent German/English skills. Solid Workday proficiency. Strong analytical, communication, and stakeholder‑management skills. Proven experience leading complex, cross‑functional initiatives and change. Deep knowledge of modern HR practices and employment law. A proactive, solution‑oriented mindset with both strategic and hands‑on capability. Bonus Skills Additional language skills: Swedish and/or Norwegian language skills are a plus; French is an additional advantage. 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 di