Administrative and HR Support Officer

Company Description

Siam Seaplane is Thailand’s first premium seaplane operator, offering fast, easy, and seamless access to waterfront resorts, beaches and marinas. Our service caters to holiday makers, groups of friends and families, as well as discerning executives and high-profile guests who expect the highest level of care and convenience. Siam Scenic, a brand by Siam Seaplane, provides airport-to-airport air charters and scenic flights across Thailand. Our Cessna Grand Caravan 208 EX offers spacious, comfortable travel at an accessible price and creates smooth connections between major cities and leading world-class resorts.

Once in a lifetime, every time

Position Overview

We are looking for an Administrative and HR Support Officer to support daily office administration, HR operations, purchasing, and administrative support to the Executive Assistant (EA). This role is suitable for a fresh or recent graduate who is organized, responsible, detail-oriented, willing to learn, and able to handle multiple tasks.

Department: Administration / HR
Reports to: Management / Executive Assistant

Key Responsibilities

1. Administration & Office Support

• Handle daily office administration and coordination.
  
• Manage office supplies, pantry items, inventory, and orders.
  
• Coordinate with suppliers, vendors, couriers, and service providers.
  
• Prepare, organize, scan, file, and deliver documents.
  
• Maintain physical and digital filing systems.
  

2. Purchasing & Coordination

• Coordinate purchasing and obtain quotations when required.
  
• Follow up on orders, deliveries, invoices, and receipts.
  
• Coordinate document and parcel delivery/collection.
  

3. HR Support

• Support employee documentation and HR records.
  
• Assist with onboarding, offboarding, leave, and attendance administration.
  
• Coordinate the recruitment process, including interviews, and communicate with candidates when required.
  
• Support internal HR activities and maintain confidentiality.
  

4. Executive Assistant Support

• Provide full administrative support to the EA.
  
• Assist with visa and work permit documents, appointments, and follow-ups.
  
• Coordinate with internal and external stakeholders together with the EA.
  
• Support travel arrangements, bookings, deliveries, and other logistics.
  
• Handle ad-hoc tasks assigned by the EA and management.
  

Requirements

Qualifications

• Bachelor's degree in Business Administration, HR, Management, or related fields.
  
• Fresh graduates are welcome; relevant work experience is a plus.
  
• Good organizational, communication, and coordination skills.
  
• Detail-oriented, responsible, and able to manage multiple priorities.
  
• Basic Microsoft Office / Google Workspace skills.
  
• Willing to learn, proactive, and able to work independently.
  
• Able to handle confidential information professionally.
  
• Good Thai and English communication skills.
  
• Based in or willing to relocate to Bangkok, Thailand.
  

Benefits

What We Offer

• Opportunity to join a fast-growing, innovative aviation venture alongside a high-performing global team.
  
• Clear pathways for career growth within the expanding business.
  
• A vibrant office environment in central Bangkok with an energetic, collaborative company culture.
  
• Competitive base compensation.
  
• Reimbursement of relevant work-related travel expenses.
  
• Social security.
  
• Mentorship and direct working experience with seasoned international C-level executives.
  

This is a full-time, on-site position based at our Bangkok headquarters (not a flight crew/pilot role).