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 SIG’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.

Trading Reference Data Specialist

Job Description