Reference Data Analyst
Confirmed on the employer's own hiring board on Oct 2, 2026. First seen by Alion on Feb 2, 2026. Millennium Management scores A on the Alion truth index.
About Millennium
Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.
Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning. With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time. Discover how transformative growth accelerates impact.
Meet the Team
The Operations & Middle Office department is one of the largest groups at Millennium. Within the department, the Data Operations team sits in the Control function and is responsible for overseeing the firm’s Global Security Master through a range of data quality measures. The team also manages processes for onboarding new securities and attributes, supporting accurate and well-controlled operational data across the platform.
What You'll Do
Ensure the accurate setup and maintenance of tradable securities in Millennium’s Global Security Master, with a particular focus on bank debt instruments
Oversee data quality control checks through system-driven and business validation processes
Create and maintain procedures, workflows and controls that strengthen operational efficiency and data integrity
Partner with internal front, middle and back-office stakeholders, as well as external data vendors, to resolve ad hoc issues in a timely manner
Work closely with Development to define requirements and support the design and rollout of new processes, workflows and controls
Help evaluate and implement new vendors and products within the Bank Debt and Leveraged Loan space to enhance operational capabilities
Oversee key bank loan lifecycle events, including paydowns, drawdowns, interest rate resets, PIK interest calculations, delayed compensation accruals and calculations, and trade settlements, ensuring timely and accurate Security Master updates
Support the operational servicing, pricing accuracy and risk management of these assets while maintaining the integrity of the firm’s reference data
What You Bring
5-7+ years of experience in financial services, ideally within operations at a broker-dealer or asset management firm, with experience in Security Master and reference data
Strong knowledge of financial instruments, particularly Bank Debt, Leveraged Loans, Private Debt and other less liquid credit instruments
Experience working with Bloomberg, as well as platforms and vendors such as Refinitiv, Wall Street Office, ClearPar, Markit (S&P Global), ICE and similar data providers
Ability to implement and maintain systems, procedures and controls that support scalable, well-governed operations
Working knowledge of SQL queries and strong proficiency in Microsoft Excel
Strong communication and interpersonal skills, with the ability to support and engage effectively with senior stakeholders
Proven ability to meet deadlines and operate effectively in a team-based environment
Self-directed, detail-oriented problem solver with strong ownership and a focus on continuous improvement
Salary Range
Millennium offers a total compensation package which includes a base salary, discretionary performance bonus, and comprehensive benefits. The estimated base salary range for this position is $160,000 to $250,000, which is specific to New York and may change in the future. When finalizing an offer, we take into consideration an individual’s experience level and the qualifications they bring to the role to formulate a competitive total compensation package.