About D ONE

D ONE is a premium consultancy for data, AI, and transformation. We help clients turn ambition into impact: from strategy and data foundations to scalable AI/data solutions, governance, and adoption.

With teams in Zurich, Munich, and Athens, we support clients across Europe along the full data value chain. Our approach is pragmatic, people-centric, and focused on lasting value.

The Role

As HR Manager / People Operations Lead, you take ownership of HR operations at D ONE. You are hands-on in Switzerland and coordinate HR matters in Germany and Greece together with local teams and external partners.

You keep personnel administration running reliably, support colleagues through the employee lifecycle, and are a trusted contact for employees and management. Beyond the daily work, you help improve how we attract, develop, and support our people.

What you own

• Payroll and year-end: monthly payroll and QST filings, year-end work (Lohnausweise, AHV and insurance reconciliation), illness and accident notifications, time recording control
• Contracts and master data: contracts, addenda, and certificates; personnel master data; competence profiles; work permits
• Recruiting and integration: Own and coordinate the end-to-end recruiting process, partnering with hiring managers who lead candidate assessment and selection; ensure a welcoming onboarding and structured offboarding.
• Development and support: absence and case management, performance management logistics, training and certification tracking, first contact for retention and conflicts
• Processes and advice: advising management on employment law, retention, and personnel metrics; keeping personnel processes lean

Requirements

What we are looking for

• Eidg. Fachausweis in Personalwesen or equivalent, with several years as a generalist
• Solid command of Swiss payroll, social insurance, and employment law
• Experience running recruiting end to end, ideally in consulting
• Empathy: you listen without judging, and colleagues come to you with what matters
• Clear, appreciative communication, including in difficult conversations
• Hands-on, structured, and reliable: you see what needs doing and get it done
• Discretion, pragmatism, and a drive to improve how things work
• Fluent German and English

Benefits

What D ONE Offers

• Real ownership of personnel management, with direct access to the management team

• A collegial, high-trust culture with smart colleagues who value what you do
• Room to shape and simplify how personnel work is done
• An international setting across three countries, with external partners for payroll and legal
• Modern tools, built on data and AI, taking the routine out of the routine
• A central Zurich location, flexible working, and attractive conditions