Overview

You will join the Static Data team within the Enterprise Software Systems (ESS) group, responsible for managing and supporting the reference data used by Susquehanna's trading systems.

This is a production-facing role focused on ensuring the accuracy, availability, and integrity of trading data across front office, post-trade, and quantitative systems.

A key part of the role is acting as a first line of support for trading-related data issues, requiring a strong understanding of how reference data flows through systems and impacts trading activity.

You will work closely with traders, developers, quants , and operations to resolve issues, onboard new data, and ensure systems remain aligned with market and exchange changes.

Key Responsibilities

Production Support & Data Ownership

• Act as first line support for issues related to trading reference data

• Investigate and resolve data issues impacting trading and downstream systems

• Take ownership of data quality and ensure accuracy across all environments

• Understand and manage the impact of data changes on trading workflows

• Reference Data Management

• Maintain instrument definitions, pricing data, and corporate actions

• Validate and monitor data from external vendors ( e.g. Bloomberg, exchanges )

• Ensure consistency and correctness of data across systems

Data Onboarding & Change Management

• Onboard new trading venues, brokers, and financial instruments

• Analyse vendor and exchange changes ( e.g. symbology, tick sizes, trading rules)

• Coordinate updates with development teams and ensure smooth rollout

Stakeholder Interaction

• Work closely with traders, operations, and developers to support trading activity

• Communicate clearly on issues, changes, and data impacts

• Provide guidance on reference data behaviour and system expectations

What we're looking for

• At least 5 years of experience in financial services, trading support, or reference data roles

• Strong understanding of financial instruments and trading workflows

• Working knowledge of SQL &/or python , relational databases and querying/updating database tables.

• Ability to multi-task, meet deadlines, familiar with high volumes of data changes and prioritize workloads.

• Experience working with market data vendors (Bloomberg, Exchanges, etc.)

• Strong problem-solving skills and ability to operate in a production environment

• Excellent communication skills and ability to work across teams

Why Join

• Work directly with front office trading systems

• Own and support business-critical data

• Gain exposure to global markets, exchanges, and trading workflows

• Be part of a team that sits at the intersection of trading, technology, and data

Susquehanna is an equal opportunity employer. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruitment process, please contact us.

If you're a recruiting agency and want to partner with us, please reach out to recruiting@sig.com . Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.