Project Estimator Japan

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

About the role

• Provide cost estimate input to investment models by managing and updating cost books that track technical, project, and financial assumptions and any relevant supporting information for base cases and scenarios.
• Monitor and manage project CAPEX, OPEX, and cashflow across project phases, maintaining accurate forecasts and schedules in alignment with key stakeholders (e.g., Package and Engineering Managers
• Conduct regular cost reviews with project teams to validate forecasts and identify risks, opportunities, and mitigation actions.
• Ensure compliance with internal controls, Delegation of Authority, shareholder agreements, and local procedures.
• Support end to end controlling processes, including project setup, procure to pay, accruals, intercompany recharge and coordination with accounting, IT and other subsidiary.
• Prepare periodic management reports and KPIs for supported projects and market, including JV and shareholder reporting as required.
• Support JV financial management, including service contract invoicing, drawdowns, and business plan inputs.
• Manage budgets and general overheads, including commitment reviews, variance analysis, forecasting, and actual cost tracking.
• Maintain strong working relationships with internal stakeholders to ensure visibility and transparency on financial performance and reporting for both projects and functions.

Job requirements and experience

• Degree in Finance, Economics, Business, Engineering, or a related discipline.
• Understanding of contracts and financial aspects of offshore wind or comparable large‑scale infrastructure projects.
• Comfortable managing with complex large data sets including assumption and other relevant input
• Strong analytical and data visualization abilities; proficiency in Power BI is highly desired
• Effective communicator in English and Japanese within a multicultural, cross‑functional organization; additional European languages are an asset.

Advantageous, but not a must

Minimum 3–5 years of experience in financial planning and analysis or project financial management (e.g., FP&A, controlling, or investment appraisal), ideally within the renewable energy, EPCI, construction, or infrastructure sectors

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

Apply with just a few clicks: ad code 91849, application period: 20/03/2026.
Any questions? Contact HR: Felix González Fernández, , Contact Business: Raphael Niecko,

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.