事務アシスタント/ Administrative Assistant

A global professional services organisation is looking for an Administrative Assistant. The selected candidate will provide comprehensive secretarial, invoicing, billing, contract administration, and office support to ensure smooth daily operations.

Responsibilities:

• Provide general administrative and secretarial support, including telephone reception and enquiry handling
• Manage consultant expense reimbursements and timesheet verification using internal systems
• Schedule and coordinate meetings, appointments, travel, and restaurant bookings
• Prepare, edit, and manage documents, reports, presentations, newsletters, brochures, and fact sheets
• Maintain client lists, internal databases, and website content
• Handle mail, delivery services, and office supply procurement, including coordination of equipment maintenance
• Support orientation programmes for new professionals and assist with seminars and on-site events
• Prepare client invoices, confirm billing accuracy, upload invoices, and distribute to domestic and overseas clients
• Process incoming payments and track time charges related to client projects
• Liaise with clients and global support teams regarding invoicing and billing matters
• Conduct internal audit support, including verification, organisation, and correction of project documentation
• Organise and maintain contract files, engagement letters, NDAs, and peer review documentation
• Prepare estimates based on proposals and register completed legal documents in internal systems
• Conduct client screening and due diligence activities
• Support responses to client requests related to subcontractor and compliance documentation

Requirements:

• Prior experience in a secretarial or administrative role
• Experience providing comprehensive office, billing, and document management support
• Proficient in MS Office Suite
• Strong organisational skills, communication skills, and attention to detail
• Professional level Japanese; business level English

About the Company:

A globally respected professional services firm specialising in actuarial science, risk management and data-driven consulting, supporting organisations across insurance, finance, healthcare and pensions. Known for deep technical expertise and practical insights, it partners with employers to solve complex challenges while offering professionals meaningful career opportunities in a highly analytical, international environment.

Keywords:

事務アシスタント, 秘書業務, 一般事務, 請求書作成, 契約管理, 管理業務, プロフェッショナルサービス, 求人, 外資系

Job Ref: WVU7L7