A Snapshot of Your Day  As a Business Controller in GS BC Solutions Performance Controlling team, you ensure transparency, accuracy, and insight across forecasting, budgeting, and key performance controlling activities. You work closely with Business Controlling, Project Execution, Execution Units, and GS SO Management. You consolidate, analyze, and validate key financial data for the largest Gas Services Solutions projects. You refine forecast and budget inputs, assess key drivers, and generate performance insights that support strategic discussions and financial reliability. Digitalization is an important part of your work, you help strengthen our tool landscape and identify opportunities for smarter, more efficient analysis. By interpreting financial implications and shaping clear storylines, you translate data into actionable insights that guide project performance and decision‑making. Each day, you sharpen the financial view that steers our Solutions business. How You’ll Make an Impact  * Drive high‑quality performance controlling by preparing, consolidating, and reviewing financial data across forecasting, budgeting, and monthly closing to ensure transparency and consistency for the Solutions business. * Analyze key financial drivers for complex Gas Services Solutions projects and deliver clear financial reports, including deviation analyses and meaningful performance conclusions. * Collaborate closely with stakeholders across Business Controlling (SO & GS level), Project Controlling, Project Execution, and SO Mgmt. to ensure aligned assumptions, transparent data flows, and accurate reporting. * Develop clear and compelling storylines for management by interpreting financial implications, identifying risks and opportunities, and translating analyses into actionable insights. * Contribute to digitalization and continuous improvement by enhancing controlling tools, strengthening data structures, and identifying automation opportunities to increase analytical efficiency. What You Bring * MBA and/or University degree in Finance, Business Administration, or an equivalent professional qualification. * Long-term experience in Performance Controlling, Business Controlling, or financial roles within project business, ideally in a complex international environment. * Strong business acumen with the ability to interpret financial results and understand key operational and financial drivers. * Advanced MS Office skills, especially Excel; experience with EPM+ and Dash applications required, Alteryx knowledge is a plus. * Strong analytical and problem-solving skills with the ability to structure complex information and work independently in a dynamic environment. * Business fluency in English; German is an advantage, combined with a proactive mindset, ownership mentality, and interest in driving process and digital improvements. About the Team Our Gas Services division offers Low-emission power generation through service and decarbonization. Zero or low emission power generation and all gas turbines under one roof, steam turbines and generators. Decarbonization opportunities through service offerings, modernization, and digitalization of the fleet. GS Solutions is the backbone for Gas Services´ execution of complex large projects. Within GS Business Controlling, we provide management with the financial transparency, insights, and guidance needed to steer the business effectively and ensure its long‑term financial strength. Who is Siemens Energy?  At Siemens Energy, we are more than just an energy technology company. With ~100.000 dedicated employees in more than 90 countries, we develop the energy systems of the future, ensuring that the growing energy demand of the global community is met reliably and sustainably. The technologies created in our research departments and factories drive the energy transition and provide the base for one sixth of the world's electricity generation. Our global team is committed to making sustainable, reliable, and affordable energy a reality by pushing the boundaries of what is possible. We uphold a 150-year legacy of innovation that encourages our search for people who will support our focus on decarbonization, new technologies, and energy transformation.       Find out how you can make a difference at Siemens Energy: https://www.siemens-energy.com/employeevideo Our Commitment to Diversity  Lucky for us, we are not all the same. Through diversity we generate power. We run on inclusion and our combined creative energy is fueled by over 130 nationalities. Siemens Energy celebrates character – no matter what ethnic background, gender, age, religion, identity, or disability. We energize society, all of society, and we do not discriminate based on our differences.  Rewards/Benefits  * In addition to an attractive remuneration package in line with the market, you can expect an attractive employer-financed company pension scheme * We also offer the opportunity to become a Siemens Energy shareholder * We offer our employees the opportunity to work flexibly and remotely, and our inspiring offices provide space for collaboration and creativity * The professional and personal development of our employees is very important to us. We provide them with the opportunities to learn and develop in a self-determined way, various attractive programs and learning materials are available for this purpose * In relation to the "compatibility of family and work", we have a wide range of offers, e.g. flexible working time models, childcare places at many locations, the possibility of trial part-time work or even a sabbatical We value equal opportunities and welcome applications from people with disabilities. https://jobs.siemens-energy.com/jobs