Fiduciary based in Geneva? Collaborate with the account manager to handle administrative tasks for a specific client with approximately 150 to 200 employees, covering all stages from onboarding to offboarding across multiple cantons in both German and French-speaking regions, dealing with complex employee populations (including cross-border and temporary staff) : Manage and update employee records;Prepare contracts and employment certificates;Draft termination letters for dismissals and resignations;Process work permit applications;Issue Swiss and international unemployment certificates, as well as interim earnings statements;Serve as the point of contact for social partners, and manage tax-at-source matters with cantonal authorities;Handle declarations and follow-up on sickness, accident cases, family allowances, and salary certificates;Oversee timesheet submissions and monitor employee time tracking;Act as the primary contact for employee inquiries, fostering strong relationships.<>