Market Access System Engineer

As the founding entity of RAINBOW PARTNERS, Quanteam is a consulting firm specialized in Banking, Finance, and Financial Services. Through our core human values – proximity, teamwork, diversity, excellence – our 1000 expert consultants, hailing from 35 different nationalities, collaborate across 13 international offices: Paris, Lyon, New York, Montreal, London, Brussels, Luxembourg, Geneva, Lisbon, Porto, Casablanca, Madrid and Singapore.

Context

Our client, a leading Investment Bank based in New York, is looking to hire a Market Access System Engineer to join its technology team. This position plays a key role in supporting and improving a high-performance trading infrastructure, ensuring stability, reliability, and efficiency within a demanding and fast-moving financial markets environment.

Key Responsibilities

• Maintain and continuously improve a high-throughput trading platform built on modern, low-latency technologies, processing millions of transactions each day along with large volumes of real-time market data.
• Diagnose and resolve complex technical incidents and user issues quickly and effectively to minimize disruption to trading activity.
• Monitor platform health and performance, implement optimizations, and perform capacity planning to meet strict latency and reliability requirements.
• Support and maintain proprietary systems responsible for order routing, market data feeds, pre-trade risk controls, and trade reporting.
• Provide direct technical support to U.S.-based traders operating a variety of strategies across multiple asset classes.
• Coordinate with exchanges and trading venues to onboard and integrate new connectivity and services.
• Work closely with global technology teams to ensure alignment and efficient delivery of platform improvements.
• Contribute to the design, development, and rollout of new Market Access capabilities that support evolving business needs.

Required Skills

• Strong experience with Unix/Linux administration, including troubleshooting and scripting (Shell and/or Python).
• Solid understanding of networking fundamentals, such as TCP/IP, routing, and multicast.
• Experience managing Windows environments, including job scheduling/maintenance and network diagnostics.
• Working knowledge of databases, particularly MySQL, and the ability to write and run basic queries.
• Understanding of equity and derivatives products (e.g., Options, Futures, Warrants, Indexes, ETFs).
• Familiarity with U.S. financial markets, including major exchanges and ECNs.