Lead Commercial Project Manager

A Snapshot of Your Day

Are you an experienced commercial professional eager to make a visible impact in a dynamic, high‑profile business? As a Lead Commercial Project Manager, you will report to the Head of Finance and play a crucial role in driving the commercial success of our Grid Technology Service business across the UK and Ireland. You will work closely with operational and leadership teams to shape commercial strategy, enhance financial performance, and influence key business decisions.

This role offers variety and the opportunity to turn insights into actionable results, making your expertise highly valued.

• Lead financial and commercial activities across projects, ensuring alignment with Project Excellence standards and financial reporting requirements.
• Take ownership of a portfolio of projects, driving strong outcomes in gross profit, cash flow, and asset performance.
• Provide oversight of project costs, assets, liabilities, and cash flow, identifying risks early and recommending effective corrective actions.
• Manage forecasting and billing processes, ensuring accuracy, timeliness, and compliance with customer contracts and regulations.
• Deliver high‑quality commercial reporting and insights for project reviews, contributing to monthly, quarterly, and annual closing activities.
• Drive improvements in claims and contract management during project execution, ensuring all additional works are appropriately costed and agreed by the client in a timely manner.
• Proactively manage commercial risks, including foreign currency exposure, while maintaining robust, audit‑ready project documentation.
• Lead continuous improvement initiatives within the Commercial team, including the development of commercial project managers and project controllers across the UK and Romania.

• A degree in finance, accounting, or a related commercial discipline; formal certification in commercial project management is a distinct advantage.
• Proven experience in commercial project management, contract negotiation, or financial project controlling, ideally in a complex project environment.
• Strong capability in project budgeting, forecasting, and managing financial risks and opportunities confidently.
• Qualification or extensive experience in managing NEC contracts.
• Excellent analytical skills, strong commercial judgement, and proficiency in MS Office and SAP for decision‑making support.
• A clear and credible communicator who can build relationships, influence stakeholders, and work effectively across functions and seniority levels.
• Ability to work independently, prioritise effectively, and remain composed while managing competing demands in a fast‑paced environment.
• Experience in an international or multicultural environment, with the integrity and interpersonal skills to collaborate successfully with diverse teams.

Our Finance and Commercial team is a small, close‑knit group working across the UK and Romania. We play a key role in supporting the business by providing clear financial insight, strong commercial guidance and practical support to help teams make confident decisions.

Because we are a small but dynamic team, every person has the opportunity to make a real impact. We work collaboratively, share knowledge openly and support one another to deliver high‑quality results in a fast‑paced environment. The role offers exposure to a broad range of finance and commercial activities, with the chance to build strong relationships across countries, functions and stakeholders.

We are looking for someone who enjoys being part of a supportive, hands‑on team, is comfortable working across different priorities and locations, and is motivated by the opportunity to contribute to the continued success of the business.

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…