Senior Admission Analyst

Senior Analyst, Equities Operations, DSM Operations

LSEG is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to perfection in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and build jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years.

The Senior Analyst is responsible for supporting the operation of trading services across LSE and Turquoise venues. This includes processing of admission applications, the enrichment and maintenance of reference data, and implementation of regulatory and market updates, including the review and handling of corporate actions. The Analyst will also assist in developing system enhancements in both departmental and business-wide projects, working closely with Market Operations, Technology and external collaborators.

The Equities Operations team is responsible for maintaining trading services and reference data across LSE, Turquoise and associated venues. This includes the management of daily updates to internal and customer facing systems, admissions processing, corporate actions handling, and the execution of both ad‑hoc and scheduled changes. The team works closely with internal partners and external market participants to ensure the timely and accurate delivery of services.

The team works on a shift basis with the current service hours between 07:00 and 18:00 UK time.

DSM Operations covers Market Operations Services and Client Technology Services. The Market Operations Services team provides the centralised function for the maintenance of key trading services and reference data databases spanning the LSE and Turquoise venues. The department acts as a first point of contact for customers – both issuers and member firms requiring immediate or planned actions. It supports the admission of securities to trading, manages the impact of corporate actions and regulatory change on reference data, and co‑ordinates communication with key organisations including EUI, CCPs, UKLA and regulators.

The area manages close, operational relationships internally and externally.

• Process applications for admission to trading including input, validation and fee generation in line with applicable rules and standards
• Act as a subject matter expert on Admissions processes, supporting internal partners and external clients throughout the admission lifecycle
• Liaise with issuers, advisors, NOMADs and other market participants to resolve queries and ensure smooth processing of applications
• Maintain oversight of application timelines and ensure delivery in line with market deadlines and service expectations
• Maintain instrument data across LSE and Turquoise production platforms, including end of day reference data uploads
• Review corporate actions daily using Bloomberg, Regulatory News Services and primary exchange sources, ensuring accurate interpretation and timely updates to instruments and systems
• Support the dissemination of corporate action information to customers, ensuring key event details and dates are communicated clearly and in line with required standards
• Perform large scheduled changes (e.g. quarterly reviews, ADT updates) and ad‑hoc operational updates as required
• Review daily and annual regulatory transparency updates and ensure they are accurately reflected in trading and reference data systems
• Monitor primary exchange tick sizes and other market data points to ensure alignment
• Proactively investigate regulatory updates from ESMA and the FCA and elevate impacts where required
• Support regulatory reporting requirements by working with relevant teams to deliver accurate reference data and reply to queries
• Collaborate effectively across products, teams and business areas to deliver robust operational services and change initiatives
• Partner with Project Managers, IT and…