Reporting to the Portfolio Director for Securities and CaLM, this role provides project & portfolio management support, project governance and controls to key projects and programmes across 5 business lines – RepoClear Ltd, RepoClear SA, EquityClear Ltd, CaLM Ltd & CaLM SA. Working closely with Project & Programme Managers, Post Trade PMO, Portfolio PMOs and Finance, the Portfolio PMO provides all primary portfolio PMO services including but not limited to support at the project level: Clarity data accuracy & Quality assurance for 5 business entities focusing on key delivery artefacts such as RAIDs, business outcomes, benefits realisation, dependencies and milestones. Resourcing – including enabling resource booking, timesheet compliance and resource levelling. · Alignment and compliance with the LSEG Change Framework · Supporting monthly reporting to internal and external Portfolio Boards · Risk and Issue management and dependency tracking · Financial management (Annual CAPEX budget planning, Business justification, benefits plans, Audit, management of cost plans and tracking actuals vs forecast, financial drawdowns) · End to end understanding of the procurement process & managing statements of work / purchase orders · Governance & Change Control Key Responsibilities Governance and Change Control Implement and maintain standardised governance across five business lines in line with LSEG Group standards Coordinate and support the full cycle of portfolio and project governance forums, including materials, minutes, actions, and decision logs Direct and support Project and Programme Managers with change control, funding changes, scope adjustments, and delivery timeline impacts Support release readiness activities, including GO/NO‑GO decisions and lessons learnt Planning, Schedule and Dependency Management Maintain portfolio and project delivery schedules,and baseline dates in the project and portfolio management tools Track delivery progress, dependencies, risks, and issues, ensuring alignment between plans and reported status Own and maintain the portfolio change roadmap, including RAG status and key delivery dates Financial and Capex Management Track portfolio budgets across capex and opex, including forecasts, drawdowns, and actuals Own annual Capex planning, ensuring completeness of artefacts for Growth, Resilience, and Regulatory initiatives Lead all aspects of cost plans, benefits plans, and funding requests in line with Group standards Monitor variances, liaise with Finance Business Partners (London & Paris), track FX/rate impacts, and raise POs Provide ad‑hoc financial analysis for Portfolio Director and senior management Resource Management Maintain delivery resource plans across current year and full project lifecycle Monitor and track internal and external Capex resources, including allocations, joiners/leavers, timesheets, and cost centre alignment Ensure 100% weekly timesheet submission and approvals Risk, Issue and Dependency Management Facilitate end‑to‑end RAID management, including identification, assessment of the impact of risks and issues Maintain accurate and up‑to‑date RAID and dependency logs in the project management tool - Clarity Reporting, Communications and Capability Enablement Coordinate portfolio and project reporting cycles in line with established standards Support Project and Programme Managers with status reporting across delivery, schedule, financials, resources, and RAID Coordinate internal Project Manager communications and lead induction and training for new joiners Portfolio Quality Assurance and Audit Ensure accurate, complete, and auditable portfolio data in Clarity through meticulous data quality controls and regular reviews Act as the primary interface for Audit, TMO, Post‑Trade PMO, and Engineering requests, ensuring timely responses Ensure adherence to LSEG Group Project Management standards throughout the project lifecycle Provide ongoing guidance and assurance to Project and Programme Managers Candidate Profile / Key Skills: · Extensive PMO experience across portfolio, programme, and project environments · Experience at providing portfolio data quality, governance, and reporting · Solid experience with portfolio financials & resource planning, capex management, and delivery governance capabilities · Consistent track record to analyse and interpret huge data sets, producing high‑quality management information and insights · Hands‑on experience leading PM and portfolio tools and data repositories across multiple platforms · Deep understanding of relevant industry domains, with strong regulatory and audit awareness · Effective at leading teams, building connections, and presenting complex information clearly to senior audiences · Demonstrates structured problem‑solving, continuous improvement, outlook, and adaptability across Agile and Waterfall delivery models Career Stage: Manager 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. 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