What you'll do
Onboarding & Lifecycle:
- Execute end-to-end new hire onboarding: documentation, contracts, culture, system setup, compliance checks
- Design AI-assisted workflows to automate repetitive tasks and scale seamlessly
Data & Systems
- Maintain clean, accurate employee records in HiBob/SAP SuccessFactors
- Implement AI-driven validation and anomaly detection to ensure data integrity
HR Processes
- Coordinate performance cycles (probation, objectives, feedback, documentation)
- Ensure compliance with German employment law, security, and data protection
- Build reusable templates and workflows managers can execute independently
Automation & Iteration
- Identify broken or slow processes; redesign using AI tools for efficiency
- Continuously test, measure, and optimize workflows for scale
- Reduce manual touchpoints through intelligent automation
Reporting & Insights
- Create dashboards for headcount, onboarding, probation, turnover, absence
- Use AI to surface trends, risks, and improvement opportunities
Cross-Functional Coordination
- Partner with our Talent, IT, Finance, Security, Facilities teams on employee onboardings and transitions
- First point of contact for German employees on onboarding, benefits, policies
Build and operate scalable HR processes for Hypersonica DE using AI automation. Own onboarding, employee lifecycle management, compliance, and performance coordination - with a focus on designing repeatable, AI-enabled workflows that grow with our company.
Who you are
Proven HR operations background with German employment law in a start-up or fast-moving business.
- Hands-on experience building and using AI tools for HR automation, data analysis, and document generation.
Demonstrated ability to design and implement scalable, complex processes.
- Proficiency with HRIS platforms (HiBob, SuccessFactors, or equivalent).
- Data-driven mindset, strong written communication skills. Able to work with senior leaders, managers, engineers, and new starters with confidence and professionalism.
Discreet, mature and trusted with confidential people matters.
Proactive by default. Comfortable operating in a high-performance environment where standards are high, pace is fast, and people decisions matter.
Experience in aerospace, defence, engineering, manufacturing, technology, or another high-consequence environment preferred.
Bachelors degree, or similar professional qualification in HR, Business or similar subject is preferred.
Motivated by building a people function that increases company velocity, protects standards and helps exceptional people do their best work.
- Fluent in German and English
What success looks like
New starters are onboarded cleanly, quickly and with no avoidable confusion.
HRIS tools and people records are accurate, complete and audit-ready.
Our processes like probation, performance, and onboarding are tracked and followed through and can scale.
HR administration is compliant, fast, and reliable.
What we offer
- A mission-driven environment with the opportunity to work on one of Europe’s most consequential defence challenges, with direct impact on sovereign capability and security.
- Daily collaboration with top experts across engineering, operations, defence, and business functions, with real opportunity to learn from the best, contribute, and grow.
- High ownership and autonomy; no micromanagement, just clear objectives and accountability for outcomes.
- A fast-paced environment where good ideas are implemented quickly and broken processes are fixed rather than tolerated.
- A culture that values clarity, integrity, excellence, and direct feedback.
- Competitive compensation and real share options aligned to responsibility and impact, not tenure or hierarchy.
Security and Eligibility Requirement
Skills Required
- Proven HR operations experience in a startup or fast-moving business
- Knowledge of German employment law
- Hands-on experience building and using AI tools for HR automation, data analysis, and document generation
- Experience designing and implementing scalable, complex processes
- Proficiency with HRIS platforms such as HiBob or SAP SuccessFactors, or equivalent
- Strong written communication and data-driven working style
- Ability to handle confidential people matters discreetly and professionally
- Experience operating in a high-performance, fast-paced environment
- Fluency in German and English
- Experience in aerospace, defense, engineering, manufacturing, technology, or another high-consequence environment
- Bachelor's degree or similar professional qualification in HR, Business, or a related subject
What We Do
Hypersonica is a mission-driven European defense and aerospace company that develops next-generation hypersonic systems for military and civilian applications. Founded in 2023, the company aims to equip European allies with sovereign, cost-effective hypersonic strike capabilities. By utilizing a modular architecture and rapid iteration, they significantly reduce development costs and timelines, focusing on enhancing Europe's defense autonomy and technological independence in a complex global security environment.
