HR Generalist

About Us Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces. Our work is guided by clear values: building technologies with real-world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected. About the Role As HR Generalist, you are the go-to HR contact for managers and teams in Crissier and Zurich. You turn company priorities into concrete HR actions: contract administration, onboarding, development, employee relations and compliance with Swiss employment law. Responsibilities Manager & Employee Partnership Work in close collaboration with R&D management to support them in the design of the organization Act as the single HR contact for Switzerland: present daily in Crissier, and a reliable remote partner for Zurich with regular visits Give managers concrete, operational HR answers grounded in Swiss law, and address employee concerns promptly Communicate with the teams with pedagogy to support and explain the organization Stay aligned with the Paris HR team and group policy while remaining locally compliant Local Compliance & Employment Law Own compliance with Swiss employment law across the employee lifecycle (contracts, probation, working time, leave, termination) and adapt group contracts and HR policies to Swiss requirements Manage relations with cantonal labor and migration authorities (Vaud and Zurich): filings, registrations, inspections Handle employee representation obligations as headcount grows and keep leadership ahead of regulatory change Payroll & Social Declarations Own the monthly payroll cycle with our provider and Finance: validate variable inputs (absences, overtime, bonuses, joiners, leavers) and cross-check payslips Ensure timely social and tax declarations and manage benefits (health, accident, pension) HR Operations & Personnel Administration Manage individual employee situations end to end: disciplinary procedures, conflict resolution, sensitive cases Handle personnel administration (contracts, amendments, files, certificates), run absences in HiBob and produce HR metrics Own work permit applications (G, B,L) for foreign nationals joining Crissier and Zurich: file with the DGEM, follow up until approval, and handle related cantonal and residence formalities Onboarding, Offboarding & Mobility Work with Talent Acquisition, who own recruitment: take over once an offer is accepted and run contracts, administration and onboarding for both sites Handle offboarding with correct Swiss formalities and clear handover Candidate Requirements Master's degree or equivalent in HR, law, management or a related field HR Manager certificate (Certificat de Gestionnaire RH, HRSE) 10+ years in generalist HR or HR Business Partner roles, ideally in an SME or scale-up Strong knowledge of Swiss employment law and social insurance; experience with work permits (G, B, L) is a plus Skills Credibility with managers and engineers; able to advise and decide Rigor, confidentiality, autonomy and a taste for building processes Comfort with an HRIS (HiBob) and reporting tools Languages Fluent French and English; Swiss-German is an asset for Zurich Nice to have Experience in defense, aerospace or deeptech, and with multi-site teams We look forward to hearing how you can help shape the future of autonomous defense systems at Harmattan AI. Find more English Speaking Jobs in Switzerland on Arbeitnow