Office Administrator

About the role

Arbolus is seeking an Office Administrator to manage day‑to‑day operations of its Costa Rica office. You will handle payroll, procurement, and overall office management, ensuring smooth support for the global team.

Key responsibilities

• Prepare and process monthly payroll, including salary changes, overtime, bonuses, commissions, aguinaldo and vacation.
• Handle statutory filings and payments (CCSS, INS, income tax withholding) and free‑zone compliance reporting.
• Run procurement processes: raise purchase orders, compare quotes, negotiate with suppliers and maintain the vendor database.
• Process supplier invoices and payments, ensuring correct coding, approvals and reconciliation.
• Manage office facilities, equipment, inventory, service contracts, lunch and parking programs.
• Maintain accurate employee and administrative records in line with local labor and data‑protection regulations.
• Coordinate onboarding and off‑boarding logistics with the People team.
• Serve as the primary contact for local providers such as accountants, insurers and payroll vendors, supporting audits as needed.
• Identify and implement automation opportunities using AI and new tools, documenting scalable processes.

Required profile

• 5+ years of administration experience, independently managing payroll and office operations.
• Hands‑on experience with Costa Rican payroll, including CCSS, INS, income tax, aguinaldo and vacation.
• Strong knowledge of Costa Rican labor legislation and procurement processes.
• High accuracy, discretion with confidential data and excellent communication in Spanish and English.
• Ability to work autonomously, anticipate office needs and adapt to shifting priorities.

Required skills

• Advanced Excel or Google Sheets.
• Experience with payroll software, ERP or accounting tools.

What we offer

• Competitive salary plus performance bonus.
• Private health insurance covering dental, vision, psychology and annual check‑ups.
• Two work‑from‑home days per week, based on business needs.
• Lunch provided twice a week, wellness center, on‑site medical clinic and sports facilities.
• Opportunities to shape and grow a brand‑new office in a fast‑growing international scale‑up.