Security Master Specialist - Hedge Fund - London

Attribution Search is partnered with an elite global hedge fund looking to hire a Security Master Specialist into its growing Technology Function

The successful candidate will build the Security Master systems from the ground up, so they seamlessly integrate into their Python based systems. They will also own the vendor relationships with Data providers. This hire will build out a team over time. Candidates with experience building or overhauling a Security Master in a buy-side firm, with strong Python, is highly desirable.

Responsibilities

• Designing and building the firm's Security Master, IBOR, and Reference Data systems.
• Establishing data models, governance standards, quality controls, and operational processes
• Owning the consistency and integrity of investment records across multiple systems and data sources
• Integrating and normalising data from vendors including Bloomberg, S&P, Markit, and other market data providers
• Acting as the owner of the firm's market data infrastructure, entitlements, and data distribution processes
• Managing vendor relationships, contract negotiations, onboarding, and optimisation initiatives
• Partnering closely with Risk, Product Control, Operations, and Portfolio Management teams to deliver scalable data solutions
• Building tooling, automation, workflows, and documentation to improve efficiency and data quality

Requirements

• Proven experience building, overhauling, or owning a Security Master and/or Investment Book of Record (IBOR) from the ground up.
• Strong Python ability.
• Experience working within a hedge fund, asset manager, investment bank, or similar buy-side environment is a must.
• Strong familiarity with Bloomberg, Markit, S&P, and other reference data providers
• Excellent understanding of reference data governance, data quality, and investment records management
• Strong analytical and problem-solving capabilities
• Ability to communicate effectively with both senior business stakeholders and technical teams

Candidates with relevant experience are encouraged to apply to learn more.