Portfolio Architect - Cash Management, Associate at Blackrock · London

Portfolio Architect - Cash Management, Associate Location: London, Greater London About this role BlackRock is one of the world’s leading providers of investment, advisory, and risk management solutions. Our clients access our investment solutions through a variety of product structures, including individual and institutional separate accounts, mutual funds and other pooled investment vehicles, and the industry-leading iShares® ETFs. BlackRock’s Global Cash Management business is a dynamic area of growth. We are one of the largest managers of cash in the world with over $1 trillion in cash assets under management (as of 31 December 2025). We have been an innovator and leader in the cash markets for over 30 years by combining investment management, distribution, and technology to build a safe, effective and efficient cash management experience for our clients. Role Overview: BlackRock is seeking to hire a Portfolio Architect to join its Global Cash Management team. This role will sit within the Cash Portfolio Management team and focus on building and enhancing the investment platform, tools, and analytics that support portfolio construction, liquidity management, and trading across our global cash strategies. The role requires close partnership with senior portfolio managers, traders, risk managers, and BlackRock technology teams to develop scalable solutions that enhance efficiency, automation, risk oversight, and portfolio optimization. The successful candidate will combine strong technical expertise with an understanding of financial markets and portfolio construction, developing robust and extensible tools that directly support live portfolio management. Key Responsibilities: Implement and enhance portfolio management and analytics tools, primarily in Python, to support liquidity management, risk monitoring, and investment decision-making. Develop, deploy, maintain, and monitor portfolio engineering algorithms and workflow automation solutions. Identify and implement opportunities to improve operational processes using data analytics and scalable technology solutions. Partner with portfolio managers to translate investment processes into systematic, production-ready tools. Integrate portfolio architect solutions into BlackRock’s technology ecosystem, including Aladdin. Collaborate with BlackRock technology teams to ensure business requirements are clearly defined and implemented effectively. Support reporting, analytics, and monitoring frameworks used in daily portfolio oversight. Maintain awareness of regulatory considerations impacting cash portfolios. Qualifications & Skills: Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, Finance, or other quantitative fields. 3+ years of experience in investment management, trading, or finance-related fields preferred. Foundational understanding of money markets, fixed income instruments, or liquidity products is a plus. Strong programming skills in Python (preferred), and/or Java with solid object-oriented programming experience. Knowledge of the Python libraries (Pandas, NumPy, PySpark, Streamlit, etc.)  and experience working with large datasets and statistical processing. Experience with project management, software development lifecycle (SDLC), including version control, and testing frameworks. Experience with data visualization tools (Tableau & Power BI) and Snowflake. Excellent analytical and problem-solving skills with strong attention to detail. Strong communication skills and ability to collaborate across investment, risk, and technology teams. High degree of professional integrity, discretion, and judgment. Ability to organize and operate effectively in a fast-paced, team-oriented environment. Willingness and capability to adopt, learn and effectively utilize AI tools enhance productivity and decision-making. Our benefits To help you stay energized, engaged and inspired, we offer a wide range of employee benefits including: retirement investment and tools designed to help you in building a sound financial future; access to education reimbursement; comprehensive resources to support your physical health and emotional well-being; family support programs; and Flexible Time Off (FTO) so you can relax, recharge and be there for the people you care about. Our hybrid work model BlackRock’s hybrid work model is designed to enable a culture of collaboration and apprenticeship that enriches the experience of our employees, while supporting flexibility for all. Employees are currently required to work at least 4 days in the office per week, with the flexibility to work from home 1 day a week. Some business groups may require more time in the office due to their roles and responsibilities. We remain focused on increasing the impactful moments that arise when we work together in person – aligned with our commitment to performance and innovation. As a new joiner, you can count on this hybrid model to accelerate your learning and onboarding experience here at BlackRock. About BlackRock At BlackRock, we are all connected by one mission: to help more and more people experience financial well-being.  Our clients, and the people they serve, are saving for retirement, paying for their children’s educations, buying homes and starting businesses. Their investments also help to strengthen the global economy: support businesses small and large; finance infrastructure projects that connect and power cities; and facilitate innovations that drive progress. This mission would not be possible without our smartest investment – the one we make in our employees. It’s why we’re dedicated to creating an environment where our colleagues feel welcomed, valued and supported with networks, benefits and development opportunities to help them thrive. For additional information on BlackRock, please visit @blackrock | Twitter: @blackrock | LinkedIn: www.linkedin.com/company/blackrock BlackRock is proud to be an Equal Opportunity Employer.  We evaluate qualified applicants without regard to age, disability, race, religion, sex, sexual orientation and other protected characteristics at law.