Role Purpose This role extends beyond coordination into financial leadership and influence, ensuring that investment decisions, cost management, and portfolio execution are aligned to enterprise strategy and regulatory obligations. We are seeking an experienced PMO Lead to support Post Trade Solutions (PTS), accountable for portfolio-level financial governance, data integrity, and strategic decision support across complex transformation programmes within LSEG PTS. This role extends beyond coordination into financial leadership and influence, ensuring that investment decisions, cost management, and portfolio execution are visible to a senior audience. What you’ll be doing Financial & Commercial Expertise (Core Capability) • Owns end-to-end portfolio financial management, including planning, forecasting, and performance tracking • Applies deep understanding of:• CapEx vs OpEx structures • Accruals, depreciation, and cost baselining • Leads portfolio variance analysis, identifying financial risks and opportunities proactively • Oversees complex cost allocation models across multiple programmes • Provides commercial insight into:• Vendor cost structures Portfolio Governance & PMO Excellence • Leads delivery of portfolio-level governance packs for executive stakeholders • Ensures high-quality:• Reporting standards • Milestone tracking • Risk and issue management Data, Tooling & Clarity PPM Mastery • Acts as SME for Clarity PPM across financials, resource management, and reporting • Owns portfolio data quality and integrity, ensuring alignment across all project inputs • Drives standardisation of:• Forecasting methodologies • Reporting templates • Leverages data to produce insight-led decision support Stakeholder Influence & Communication • Engages confidently with:• Senior PMO & Project Managers • Finance Business Partners • Senior leadership forums • Produces compelling executive-level narratives and governance materials • Acts as a trusted advisor on financial and delivery matters Capability Development • Drives continuous improvement in PMO practices • Builds capability in:• Financial governance • Tool usage (Clarity, Excel, reporting) Delivery & Execution Excellence • Ensures consistent, high-quality outputs under tight deadlines • Drives accountability across portfolio teams • Embeds discipline and accuracy in financial and governance processes What you’ll bring • Strong proficiency in:• Clarity PPM • Excel financial modelling • Executive reporting • PMO experience in financial services ·         Curiosity and Knowledge of AI: We value team members who bring at least a foundational understanding of Artificial Intelligence—or a strong passion to grow in this space. At LSEG, we’re applying AI to streamline operations, enhance decision-making, and deliver better outcomes for our customers.  Career Stage: Senior Associate London Stock Exchange Group (LSEG) Information: Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you. LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions. Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering. LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives. Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject. If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.