Senior Performance Engineer

Job Purpose

The New York Stock Exchange (NYSE) is seeking a Senior Performance Engineer to join its Technology Capacity and Performance Management (CPM) team in New York. This individual will contribute to the implementation and evolution of NYSE's application capacity and performance framework across all NYSE Group subsidiaries.

As part of a dynamic team operating in a high-throughput, low-latency trading environment, the Senior Performance Engineer will play a critical role in assessing and optimizing application performance and capacity. This includes engaging with product and infrastructure teams, driving tool integrations, defining data-driven KPIs, and influencing system design to ensure performance at scale.

Responsibilities

• Capacity Planning & Performance Analysis
  • Lead initiatives to define metrics and data requirements supporting capacity and performance monitoring.
  • Develop and refine models to analyze usage trends, predict future capacity needs, and proactively manage risk.
  • Investigate and resolve production issues that impact system performance or client experience.
  • Collaborate with development and infrastructure teams to identify and implement performance and scalability improvements.
• Data Engineering & Analytics
  • Onboard and integrate new data sources, perform data transformation, and apply analytics to extract actionable insights.
  • Use statistical modeling and data science techniques to detect patterns and anomalies.
  • Build automated pipelines and reusable scripts (e.g., Python) to support analytics workflows.
• Reporting & Visualization
  • Design and maintain business intelligence dashboards to visualize real-time and historical performance data (Grafana, Tableau).
  • Produce customized reports for internal product teams, senior stakeholders and performance review board.
  • Present findings in clear, concise formats to facilitate strategic decision-making.

Knowledge and Experience

• Bachelor's degree in Computer Science, Engineering, or a related technical field.
• 5+ years of experience in Performance Engineering and Capacity Planning for high-availability, mission-critical systems.
• Strong expertise in data analysis, modeling, and statistical techniques.
• Proficiency in Python or other scripting languages for automation and analysis.
• Solid understanding of network protocols (TCP/IP, Multicast) and distributed systems.
• Proven experience with data visualization platforms (e.g., Grafana, Tableau, Splunk).
• Deep understanding of low-latency, high-throughput environments, preferably in financial trading or similarly demanding domains.

Preferred Knowledge and Experience

• Experience supporting electronic trading platforms or high-frequency trading systems.
• Familiarity with capacity planning tools, time series databases (snow flake), and observability platforms.
• Excellent verbal and written communication skills.
• Strong problem-solving skills and the ability to work independently under pressure.
• Demonstrated ability to lead cross-functional initiatives and mentor junior team members.