Job description
We are looking for a hands-on Project Controller to strengthen financial transparency and capital discipline across our development projects. The Project Controller will report to the Head of Controlling.
In this role, you will work at the intersection of Finance and Operations, ensuring that project costs, development expenditure, Capex and financial forecasts are reliable, transparent and decision-ready. Your contribution will directly support management steering and investment decisions as Cube Green Energy and SUNfarming continue to scale their renewable energy platform.
This is a hands-on role in a dynamic growth environment, focused on building structure, improving visibility and embedding financial discipline at project level.
- Track development expenditures, DevEx and Capex against approved budgets
- Identify deviations early and prepare structured variance analyses
- Ensure clear cost allocation, documentation and transparency across project phases
- Review and challenge project cost assumptions, budgets and forecasts
- Validate financial inputs provided by project teams
- Support fact-based discussions on cost development, risks and funding implications
- Support investment approval processes with structured financial data
- Provide scenario and sensitivity analyses where required
- Ensure project data feeds into group-level performance steering
- Prepare regular project controlling reports
- Align project data with FP&A and liquidity planning
- Ensure consistency between project budgets, forecasts and cash implications
- Support the preparation of management reporting materials
Your profile
- Degree in Finance, Controlling, Business Administration or a related field
- 3-6 years of experience in project controlling, operational controlling or a comparable finance role
- Strong analytical skills and a structured working style
- Ability to challenge assumptions constructively and independently
- Strong understanding of budgeting, forecasting and variance analysis
- Hands-on mindset with a strong execution focus
- Advanced Excel skills; ERP knowledge required, NetSuite experience is a plus
- Strong communication skills and ability to work across Finance and Operations
- Ownership mindset and a proactive approach to problem-solving
- Ability to create structure and improve transparency in a growing organization
- Confidence in working with project teams, finance stakeholders and management
- Pragmatic, detail-oriented working style
- Interest in contributing to financial discipline and scalable finance processes in a renewable energy platform
You will play a key role in strengthening project cost transparency, capital discipline and financial decision-making across the group. Your work will support better management steering, investment decisions and scalable growth.
Why us?
- An exciting position with plenty of creative freedom
- A work environment where you'll feel right at home, surrounded by motivated teammates from all over the world
- We provide free fruit, vegetables, and drinks-some from our own organic farm-to give you your daily dose of vitamins
- Good public transportation connections, so you can reach us stress-free
- Here, you can get creative and have the freedom to actively shape initiatives
- And best of all: You'll be actively supporting the energy transition
Pay & benefits
Typical pay for similar roles
EstimateThe middle half of pay advertised on Rejobs for this group over the last 24 months. This employer has not stated a salary.
About this role
About Cube Energy Green
Company Overview
Cube Green Energy GmbH, an independent power producer and renewable energy developer, backed by I Squared Capital
HeadquartersBerlin, Germany
Founded2021
SizeThe company has employed between 50 and 200 people in recent years (source: linkedin.com)
What They Do
Cube Green Energy is a European developer and operator of renewable energy projects focused on Central and Western Europe, particularly Germany and France (source: cubegreenenergy.com). The company specializes in developing and operating onshore wind farms, repowering existing wind sites to increase energy yield on the same footprint, as well as innovative agri-photovoltaic solutions under the SUNfarming brand (source: cubegreenenergy.com). Additionally, Cube Green Energy develops battery storage and hybrid energy systems to ensure continuous, 24/7 availability of renewable energy (source: vind.ai). The company possesses extensive in-house expertise in construction, operations and maintenance, as well as asset management, and utilizes a proprietary digital platform called Arkavind to support project development and asset management (source: cubegreenenergy.com).
Projects & Track Record
In 2022, Cube Green Energy completed three strategic investments in operational onshore wind projects across two German regions with a total capacity of 28 MW (source: businesswire.com). Over the following three to four years, more than 70 MW were in development (source: businesswire.com). Currently, the company operates a portfolio of wind and solar parks that are either already generating electricity or under development (source: cubegreenenergy.com). By 2026, Cube Green Energy had over 200 MW of installed capacity with an annual electricity production exceeding 250 GWh, a development pipeline of more than 2 GW, and over 250 MW of projects with secured feed-in tariffs (source: list.solar).
Recent Developments
In November 2024, Cube Green Energy announced the acquisition of a majority stake in SUNfarming to accelerate growth in the agri-photovoltaic sector (source: finanznachrichten.de). In 2026, the company secured €150 million in financing for further expansion (source: list.solar). Additionally, Felix Grolman was appointed Executive Chair in August 2026, strengthening the company’s strategic leadership (source: linkedin.com). In September 2026, Cube Green Energy reported several milestones achieved and had over 12,000 followers on LinkedIn at that time (source: linkedin.com).
Working There
Cube Green Energy offers diverse roles in investment, portfolio management, operations, legal and compliance, as well as cross-functional corporate roles (source: linkedin.com). The company’s locations include its headquarters in Berlin as well as offices in Hamburg, Lille, London, and Hyderabad, reflecting an internationally oriented corporate culture (source: linkedin.com). The corporate culture emphasizes land-efficient renewable infrastructure, international expansion, and the integration of wind, solar, storage, and hybrid technologies with digital asset management (source: cubegreenenergy.com).
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