Security Specialist

InfinityQuest,; Easter Howgate; On-site; GBP 60,000 - 90,000; Full time

Job summary

A leading financial services firm in the United Kingdom is looking for a Subject Matter Expert (SME) in Securities Operations and Data Management. The role involves leading data remediation efforts and establishing data quality frameworks. Candidates should have experience with data models, regulatory requirements, and process improvement initiatives. This position offers the opportunity to work in a dynamic environment focused on enhancing data accuracy and automation.

Responsibilities

• Act as the Subject Matter Expert (SME) for Securities Operations and Data Management.
• Partner with teams to define and refine data models and integration points.
• Lead or support data remediation, standardization, and migration activities.
• Establish and maintain data quality frameworks for core data sets.
• Work with architecture and CDO teams to align reference data models.
• Provide analytical insight on data lineage, usage, and dependencies.

Job description

Key Responsibilities

• Act as the Subject Matter Expert (SME) for Securities Operations and Data Management , with specific focus on Reference Data (Instrument, Issuer, Counterparty) and Master Data (Client, Account, Legal Entity) domains.
• Partner with Front Office, Operations, and Technology teams to define and refine data models, hierarchies, and integration points across trading, settlement, and custody systems.
• Lead or support data remediation , standardization , and migration activities as part of global transformation programs.
• Establish and maintain data quality frameworks , controls, and monitoring for core data sets across multiple asset classes.
• Work with enterprise architecture and CDO (Chief Data Office) teams to align reference data models with regulatory and business requirements (MiFID II, CSDR, SFTR, etc.).
• Provide analytical insight on data lineage , usage , and dependencies across Security Services operational platforms.

Drive process improvement initiatives within Securities Operations to enhance data accuracy, automation, and straight...