Office Manager Generalist & Executive Assistant

HydroNeo is an international smart aquaculture technology company based in Bangkok and the market leader in Thailand with an expanding footprint across Southeast Asia including a growing subsidiary in Indonesia.

We are a young fast growing company and our Bangkok office is where our standards are set for the rest of the group. That means the bar here is high. Process discipline confidentiality and reliable execution are not optional extras they are the foundation everything else is built on.

We are hiring an Office Manager & Generalist to run our Bangkok office day to day own our administration with Thai authorities banks and external partners and keep the operational engine of the company running properly. As part of this role you will also act as the direct assistant to the CEO the one person he can rely on without exception including when he is traveling or in another country.

What we need most is stability of character. This is a rock in the surf role: someone calm and steady under pressure a fixed point the office can orient around no matter what is happening around them. No drama no gossip no politics and absolute discretion with confidential and sensitive exchange you get real professional authority in your area and the CEOs full trust.

If you are at your best when you can take a messy situation and turn it into something organized on time and properly documented this is a senior high trust long term role with broad exposure and real career stability. This role goes beyond standard office hours: as part of supporting the CEO directly you will occasionally handle a message a call or a quick coordination matter outside working hours not as routine overtime but as part of being a trusted right return you will have genuine flexibility when you need it as well.

Office Manager & Generalist

• Run the Bangkok office day to day: supplier coordination logistics mail document flow office supplies visitor handling and general upkeep.
• Take personal hands-on responsibility for the office itself: a clean tidy well presented space at all times small issues fixed or flagged before they become problems plants and common areas looked after and the office always ready to receive a visitor or client on short notice.
• Handle all interactions with Thai authorities banks and external service providers: company bank accounts BOI compliance and reporting work permit and visa processes for foreign staff Social Security Office registrations and reporting and Department of Business Development filings.
• Manage all company paperwork and administration: contracts filings licenses employment documents and a clean well organized digital filing system on SharePoint.
• Uphold and strengthen the operational structure of the Bangkok office: internal processes filing systems expense and invoice workflows onboarding routines office policies. Where a process is unclear or starting to slip your job is to fix it and make it hold not let it drift.
• Support local HR matters: onboarding new hires day to day employee questions and making sure company rules and standards are understood and followed including knowing what needs to be escalated to the CEO rather than handled quietly on your own. Listen when needed but also enforce the line.

Executive Assistant to the CEO (second part of the role)

• Act as the direct assistant to the CEO: expense reports diligent follow ups on open items ad hoc special projects meeting preparation and minutes correspondence and translations during meetings including coordination with our Indonesian office when needed.
• Hold the fort confidently when the CEO is traveling with clear judgment about what can be decided locally and what must be escalated immediately and absolute discretion with confidential legal and HR matters.

Must have

• 5 years in office management general administration or senior executive assistance including direct support of a senior executive or founder.
• Solid working knowledge of Thai business practice: how to deal with banks the Revenue Department BOI the Social Security Office immigration and the Department of Business Development. You understand the reporting cycles you know what documents are needed and when and you know how to push a process to completion without it sitting in someones inbox for three weeks. Experience with a BOI promoted company is strongly preferred.
• Absolute discretion with confidential legal and financial information. You do not discuss company matters outside a strict need to know circle and you know what must be escalated to the CEO immediately rather than held back or handled quietly.
• Comfortable working in a young fast growing company environment. You can take ownership of a messy area design a sensible structure and put it in place without being told how and you know when to ask before deciding.
• A demonstrated track record of reliability. Colleagues and partners can set their watch by your follow through and issues raised with you do not need to be raised twice.
• Comfortable with the natural flexibility of a senior support role. You understand that occasional contact outside office hours is part of working closely with a founder and you handle it with maturity rather than counting hours. We respect your time and your boundaries and we expect the same professional judgment in return.
• Fluent Thai and strong professional English (written and spoken). You will translate between the CEO and Thai partners employees and authorities regularly.
• Genuinely advanced Microsoft 365 skills: Excel (pivot tables XLOOKUP/VLOOKUP structured tables formulas not just data entry) Outlook Word Teams and SharePoint. Comfortable building and maintaining a digital filing system used by the whole team.
• Confident communicator who can be polite and firm in the same sentence and comfortable holding suppliers partners and colleagues to deadlines.
• A track record of running things independently. You do not wait to be told twice and you do not drop balls.

Strong plus

• Experience in a startup tech company or international SME.
• Experience working directly with foreign founders or international executives.
• Experience supporting a BOI promoted company.
• Familiarity with HubSpot Xero or similar business systems.

Personality fit
We are looking for someone who brings genuine seniority to how they work: organized to a high standard calm under pressure and confident enough to push back follow up and keep things on track without drama. Picture the rock in the surf steady and dependable no matter what is churning around it. You do not gossip you do not get pulled into office politics and colleagues always know exactly where they stand with you. Your loyalty to the CEO and to the company is absolute and so is your professionalism when things get busy or stressful.

You take pride in a tidy office a clean inbox a well prepared meeting and paperwork that is always ready before it is needed. You are comfortable saying let me set up a proper process for this rather than letting things continue chaotically.

• Competitive salary depending on experience.
• Full statutory benefits under Thai labor law including Social Security Fund contributions.
• Group health insurance.
• Employee Stock Option Plan (ESOP): meaningful participation in HydroNeos long term success as we scale across Southeast Asia.
• Annual leave above the statutory minimum.
• Modern office in central Bangkok with all equipment provided.
• Direct exposure to the CEO and international leadership team with broad learning across operations legal HR finance and partnerships.
• A stable long term role with real responsibility and real respect in a company growing across Southeast Asian markets.

Please upload your CV in English along with a short cover letter (maximum one page) that answers three questions:

1. Why this role specifically not just any office manager or executive assistant role
2. Describe one concrete situation where you took ownership of a messy administrative or operational area built a proper structure or process for it and made it work without your boss having to step in. What did you do and what was the result
3. Your earliest possible start date and your salary expectation in THB per month.