Office Manager and Executive Assistant to CEO

About HydroNeo

HydroNeo is an international leader in smart aquaculture technology based in Bangkok, Thailand, expanding rapidly across Southeast Asia with a growing subsidiary in Indonesia. The Bangkok office sets the standards for the entire group, emphasizing high discipline, confidentiality, and consistent execution.

Role Overview

We are seeking an Office Manager & Generalist to oversee daily office operations in Bangkok, manage administration with Thai authorities, banks, and external partners, as well as serve as the trusted Executive Assistant to the CEO. This pivotal role demands calmness under pressure, discretion with sensitive matters, and maintaining stability in the office environment. It extends beyond typical office hours, requiring occasional support for the CEO outside regular times, balanced with flexible arrangements.

Key Responsibilities

• Manage day-to-day activities in the Bangkok office including supplier coordination, logistics, mail, document flow, supplies, visitor reception, and office maintenance.
• Take personal responsibility to maintain a clean, well-organized, and visitor-ready office environment, addressing minor issues promptly and keeping common areas well looked after.
• Serve as the primary liaison with Thai governmental bodies, banks, and service providers, overseeing company bank accounts, BOI compliance and reporting, work permit and visa processes for foreign employees, social security registrations, and Department of Business Development filings.
• Coordinate and maintain company contracts, filings, licenses, employment paperwork, and administer a digital filing system on SharePoint.
• Enhance and sustain office operational structures including internal workflows, filing, expense and invoice processes, onboarding procedures, and office policies to ensure consistency and avoid drift.
• Support local HR functions such as onboarding, employee queries, enforcing company standards, and escalating critical matters to the CEO.
• Provide direct assistance to the CEO by managing expense reports, following up on tasks, handling special projects, preparing meetings and minutes, correspondence, and translating during meetings including coordination with the Indonesian office.
• Act with sound judgment and discretion to manage office matters in the CEO's absence, distinguishing what needs local decision-making versus escalation.

Candidate Requirements

• Minimum five years of experience in office management, senior administrative roles, or executive assistance supporting founders or senior executives.
• Comprehensive knowledge of Thai business practices involving banks, Revenue Department, BOI, Social Security Office, immigration and Department of Business Development, including managing reporting cycles and document requirements to completion. BOI promoted company experience preferred.
• Exceptional discretion handling confidential, legal, and financial information, knowing when to escalate issues to the CEO.
• Ability to take ownership in a dynamic, fast-growing company, designing and implementing organizational systems autonomously while knowing when to seek guidance.
• Consistent reliability ensuring issues are addressed promptly without repeated reminders.
• Maturity in managing occasional communication outside office hours as part of senior executive support, balanced with respecting personal boundaries.
• Fluency in Thai and professional-level English for both written and verbal communication, including regular translation duties.
• Advanced proficiency in Microsoft 365 applications, including Excel (pivot tables, XLOOKUP/VLOOKUP, formulas), Outlook, Word, Teams, and SharePoint for managing team-wide digital filing systems.
• Strong interpersonal skills combining politeness and firmness to hold suppliers, partners, and colleagues accountable to deadlines.
• A proven history of independently managing responsibilities without need for repeated instruction.

Preferred Qualifications

• Experience working in startups, technology companies, or international SMEs.
• Background supporting foreign founders or executive leadership.
• Prior work experience with BOI promoted companies.
• Familiarity with business tools such as HubSpot and Xero.

Personality and Work Approach

The ideal candidate exhibits senior-level professionalism with exceptional organization, calmness under pressure, and confidence to follow through and keep processes on track without drama or gossip. They demonstrate absolute loyalty to the CEO and company, maintain discretion in sensitive matters, and take pride in meticulous office management and preparation.

Compensation and Benefits

• Competitive salary, commensurate with experience.
• All statutory benefits as mandated by Thai labor law, including Social Security Fund contributions.
• Group health insurance coverage.
• Participation in an Employee Stock Option Plan (ESOP) for long-term company growth benefits.
• Annual leave exceeding statutory minimums.
• Modern, fully equipped office space centrally located in Bangkok.
• Direct engagement with the CEO and international leadership offering broad exposure across operations, legal, HR, finance, and partnerships.
• Stable, long-term employment with significant responsibility and respect within a growing regional enterprise.

Application Requirements

Applicants must submit a CV in English along with a concise cover letter (maximum one page) addressing:

• Reasons for choosing this specific role over other office manager or executive assistant positions.
• A detailed example where the candidate took charge of a disorganized administrative or operational function, implemented structured solutions independently, and the resulting impact.
• Earliest possible start date and expected monthly salary in THB.