Administrative & Finance Executive

Rain Tree Photonics is enabling the next wave of computing with scalable optical interconnect solutions harnessing cutting edge silicon photonics technology. It fully leverages the CMOS eco-system with a true fabless model to deliver high performance network infrastructure at low cost. The company is headquartered in Singapore, with a subsidiary in China.

A spin-off from A.STAR, our team is young, energetic and driven. The technical founding team members have many years of experience in silicon photonics research and product development and were responsible for bringing multiple silicon photonics products to mass market deployment. The management team comprises members who have raised multi-millions in venture funding or have sold photonic products in high volume (tens of millions).

Rain Tree Photonics is developing next generation integrated optical systems, addressing the critical data-connectivity bottleneck for applications including Artificial Intelligence (AI) in scale-out and scale-up application. If you are passionate about technology and would like to make an impact to the world around you, we welcome you to join our company.

Job Description

We are seeking a highly organised and proactive Administrative & Finance Executive to serve as the primary operational support resource for our Singapore office.

The successful candidate will act as the central point of coordination for office administration, finance support, vendor management, HR coordination, and cross-border operations.

The ideal candidate is hands-on, detail-oriented, resourceful, and comfortable working independently in a fast-growing technology company.

Responsibilities:

1. Finance & Accounting Coordination (Singapore & Cross-Border)

. Process vendor invoices, payment requests, accurately and on time

. Prepare supporting documentation for bank payments and expense reimbursements

. Coordinate with Singapore General Manager, US Head of Finance, and China branch representatives on finance matters

. Coordinate with external accounting firms for bookkeeping and statutory submissions

. Support month-end closing, audit preparation, and financial reporting documentation

2. Office Administration

. Oversee day-to-day office operations and ensure smooth functioning

. Manage office supplies, procurement, facilities maintenance, and cleaning services

. Liaise with building management and external service providers

. Organise confidential company documentation and maintain proper filing systems

. Handle travel arrangements and logistic arrangements when required

3. HR & Employment Administration

. Assist with job postings, interview scheduling, and candidate coordination

. Prepare onboarding documentation and maintain employee records

. Coordinate payroll inputs with external payroll providers

. Support MOM submissions, work pass applications, and CPF-related matters

. Ensure compliance with Singapore employment practices and company policies

4. Reception & General Office Support

. Manage calls, mail, and courier services

. Greet visitors and coordinate meeting room arrangements

. Provide general administrative support to management and engineering teams

Requirements:

. Diploma or Degree in Business Administration, Accounting, Finance, HR or related discipline

. Minimum 3-5 years of relevant experience in administrative and finance support roles

. Strong written and oral communication skills in both English and Chinese

. High level of accuracy and attention to detail

. Proficient in Microsoft Office (Excel, Word, Outlook)

. Prior experience in SME or multi-country coordination environment preferred

. Basic accounting knowledge and familiarity with finance processes

. Experience working with external accounting or payroll vendors is an advantage, Experience with accounting software (e.g., Xero) is advantageous

. Good understanding of Singapore employment practices and statutory compliance preferred

Benefits:

. CPF, annual leave and public holidays

. Full corporate insurance coverage

. Convenient working location (walking distance from Tai Seng MRT)