Market Access System Engineer

Job Description

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

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

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