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🥝 Reference Data Operations Specialist - Corporate Actions

Millennium | london, United-Kingdom | Posted May 29, 2026

Job Description

General Information

  • Hiring Department/Group: Operations & Middle Office
  • Job Title: Reference Data Operations Specialist - Corporate Actions
  • Office Location: London

Job Function Summary

The Operations and Middle Office department is one of the largest groups at Millennium. The Data Operations team resides within the Control function of Ops & MO and is responsible for overseeing the firm’s Global Security Master through various data quality measures. The team is also responsible for managing processes to onboard new securities and attributes.

We are seeking a driven and thorough Reference Data Operations Specialist to join our team. Ideally, you will be a self‑starter with close attention to detail and a strong background in the financial services industry – specifically in Security Master and Reference Data. If you are motivated by taking the initiative to improve processes, operating efficient BAU activities, a...

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