Citadel Securities — Senior Research Engineer (Data)#
Archived job posting
Company: Citadel Securities
Role: Senior Research Engineer (Data)
Location: Miami
Source: citadelsecurities.com/careers/details/senior-research-engineer-data
Archived copy: Wayback Machine, July 27, 2026 · PDF snapshot
Accessed: August 10, 2026 (text recovered from the Wayback Machine snapshot; the live page sits behind a bot-verification wall)
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Full text#
Role Overview#
Data Research Engineers in Citadel Securities are responsible for the curation of large-scale structure and unstructured data and for data assimilation across a multitude of sources. They focus on the translation of high-level conceptual queries to efficient back-end queries on extremely large-scale data collections. Our data science is supported by state-of-the-art cloud-based services that scale out. The advanced queries will be crucial in enriching alpha signals for our multi-billion-dollar Systematic Business and research function, enabling us to deliver a competitive edge against competitors.
Our team of talented Data Research Engineers works hand-in-hand with the QR teams to design the most insightful queries. In addition, they closely work with business operations and QRs in order to identify and evaluate the most promising datasets from anywhere in the world and available in numerous modalities. We are looking for individuals passionate about driving business impact through data!
Responsibilities#
Act as data owner of several datasets each with its own unique schema and delivery frequency
Partner with researchers to produce high-value datasets
Design, create, automate, and maintain custom data pipelines
Extract the raw data
Clean and normalize the data
Translate high-level market research concepts into scalable processes that further transform the data
Handle all edge cases
Develop high-performance schemas and queries
Setup “data checks” and alerts to determine when the data is “bad”
Load the processed dataset to a format easily digested by quantitative researchers and models
Develop tooling to facilitate the development and monitoring of custom data pipelines
Setup analytical infrastructure to facilitate exploration and visualization of datasets
Large scale cloud development of applications as a service
Skills and Qualifications#
Required:
Demonstrated experience driving meaningful business outcomes through data engineering
Prior ownership of a data project (or at least a large part of it)
Strong attention to detail
Good analytical and quantitative abilities
Demonstrated ability to quickly learn new technologies and skills
Experience with ETL dev
Preferred:
Experience with data manipulation and query design and optimization
Experience in time series forecasting and machine learning techniques
Strong data science skills
Strong coding skills: proficiency in Python, SQL DBs, Cloud, schedulers, containers, CI/CD, software packaging
Strong ability to communicate with other stakeholders (e.g., data vendors, QRs, etc.)
Data Build Tool (DBT)
Education: BS degree in Computer Science, Mathematics, or related Computer Engineering or Science curriculum
About Citadel Securities#
Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market’s and our clients’ most critical challenges. Together, we are forging the future of capital markets. For more information, visit citadelsecurities.com.