Office Manager
At GreenTomatoMedia LLC · Chiang Mai
- Operations
- Full-time
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Where you’ll work
Hybrid, based in Chiang Mai
“Chiang Mai”
From the job board field.
The job board lists it as hybrid.
Hybrid means some days in the office. The listing says how many, and where.
Languages
Language: Thai
“You speak and write Thai and English well, and you’re comfortable working with colleagues from other countries”
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- Posted
- 6 November 2026
- First seen by us
- 12 November 2026
- Last checked
- 14 hours ago
Job description
From GreenTomatoMedia LLC’s job post, as they wrote it.
We are a performance-driven SEO and YouTube media company specializing in Igaming and tech. We help leading brands increase their visibility and acquire high-value leads through long-term, performance-based partnerships. Our global team of 100+ A-players, spread across 40+ countries, loves building, scaling, and optimizing digital media assets. We are building a dream team of people who are excellent at what they do, honest with each other, fast to learn, and hungry to improve.
Read the full description
Right now, we're looking for a Thailand local to step in as Office Manager/Administrator in Chiang Mai!
🎯 What You’ll Do?
Visa, work permit and immigration
* Help new international hires through the visa and work permit process, starting with an intro call to explain each step
* Prepare and organise documents for BOI letters, e-visas and work permit applications
* Support work permit renewals, extensions and cancellations
* Work with our legal partner, who handles the visa and work permit procedures
* Follow up with employees on documents and track each application so deadlines are met
Employee registration (TIN and Social Security)
* Coordinate TIN and SSO registration for new employees as soon as their work permit is issued
* Make document signing easy for employees and make sure the paperwork reaches our accounting partner
* Track each registration from start to finish and keep the employee updated
Payroll admin support
* Work with the People team to double-check new joiners and leavers on the Thai payroll
* Request tax documents from our accounting partner for former employees if any
* Help employees who need a Tax Residence Certificate (TRC)
🎯 What We’re Looking For?
* You have 1–2 years of experience in office admin, HR admin or a similar role (strong fresh graduates are welcome too)
* Experience with Thai visa, work permit or SSO paperwork is a plus
* You speak and write Thai and English well, and you’re comfortable working with colleagues from other countries
* You’re organised, pay close attention to detail, and keep track of deadlines
* You follow up on things without waiting to be reminded
* You’re friendly and approachable, and you enjoy helping people
* You like organising events and getting people together
* You’re based in Chiang Mai, or happy to move here, and can work from the office
Selection process
If you have been selected amongst other candidates you will receive an email with an invitation for your initial interview.
1. Submit CV & Cover Letter - Please let us know why you would be a good fit for this role.
2. Initial interview with HR that will last between 30-45 minutes.
3. Practical test to evaluate your knowledge, design and problem-solving skills.
4. Final Interview with your potential team lead & reference check.
📍 Want to get a feel for our culture and people? 🌍 LinkedIn | 🔎 Website | 📸 Instagram
Check out our apps: 🔍 Search “GreenTomatoMedia” on the App Store 📱 iOS Portfolio 🔍 Or “Ultimate Party Apps” on Google Play 📲 Android Portfolio
Office ManagerGreenTomatoMedia LLC
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