Office Assistant d/f/m

RWE Renewables Japan G.K.
To start as soon as possible, full time, permanent

As Office Assistant, you will play a key role in ensuring the efficient administrative, organizational, and procurement support of the team. You will act as a central point of coordination for office operations and support project teams with structured processes, documentation, and day‑to‑day administration.

About the role 

• Serve as the main point of contact for office administration, managing daily operations, visitors, phone coverage, mail, courier services, office supplies, and equipment.
• Maintain a safe, clean, and efficient office environment by coordinating facilities, vendors, building management, office maintenance, waste management, and HSE compliance.
• Coordinate meetings, conferences, exhibitions, offsite events, and manage office calendars and meeting logistics.
• Provide administrative and operational support, including document management, record keeping, purchase orders, invoice tracking, and basic IT support for office equipment and meeting rooms.
• Manage office-related compliance and external administration, including obtaining official government certificates and acting as the contact for insurance matters.
• Support business travel by coordinating bookings through the appointed travel agency, preparing travel documentation, and arranging Domestic Travel Accident (DTA) insurance.
• Facilitate onboarding by coordinating with HR and IT to ensure new employees have the required equipment, system access, and orientation.
• Provide ad hoc administrative support, including catering arrangements, event coordination, external reservations, and other office-related tasks as required.

Job requirements and exprience 

• Relevant business, commercial or administrative education (e.g. office administration, business administration) or equivalent experience
• Several years of experience in an office assistant, administrative, or coordination role
• Experience with procurement processes and purchase order handling and supplier coordination
• Strong organizational skills with a structured and reliable working approach
• Confident communication skills and the ability to interact with diverse stakeholders
• Strong team player and part of the office community
• Proficiency in MS Office (Outlook, Word, Excel, PowerPoint)
• Fluency in Japanese and English

From here, you benefit from many further advantages – Curious? Then click here!
 

Apply with just a few clicks: ad code 92877, application period: 22/07/2026.
Any questions? Contact HR: Sebastian Emmelot, Sebastian.Emmelot@rwe.com, Contact Business: Nicolaus von Schultzendorff.

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We look forward to meeting you. Of course, you can find us on LinkedIn, Instagram, Facebook, YouTube and Xing, too.

We value diversity and therefore welcome all applications - regardless of gender, disability, nationality, ethnic and social origin, religion/belief, age, sexual orientation, and identity. #inclusionmatters

As a global leader, RWE Offshore Wind is shaping tomorrow's energy on the high seas. We are active across Europe, U.S., Japan and Korea. We have already 19 wind farms in operation with an installed capacity of over 3 gigawatts. With over 20 years’ experience in developing, building, operating and maintaining offshore wind farms we have established long-term partnerships, working hand in hand with local businesses and communities. Every year, we invest millions of euros in new offshore wind projects and support harbours, educational programmes, local organisations and more. Our passionate workforce is committed to driving technological and sustainable improvements, delivering construction projects on time and within budget to the highest quality and safety standards, and contributing to a clean energy future.

Want to learn more about working for RWE Offshore? Join Our Journey Offshore by watching the miniseries including 6 episodes, 5 ambassadors and one exciting trip Offshore.