Market Access System Engineer

QUANTEAM - North America (RAINBOW PARTNERS Group); New York (NY); On-site; USD 120,000 - 160,000; Full time

Job summary

QUANTEAM - North America (RAINBOW PARTNERS Group) seeks a Market Access System Engineer to join its technology team and support a high-performance trading platform.

You will work on low-latency infrastructure, incident response, and collaborate with global teams to deploy new connectivity and market data capabilities.

This role involves exposure to U.S. equities markets, exchanges, and ECNs, with a focus on reliability and capacity planning.

Qualifications

• Experience with Unix/Linux administration and scripting.
• Solid networking fundamentals including TCP/IP and routing.
• Familiarity with Windows environments and task scheduling.
• Working knowledge of MySQL and basic SQL queries.
• Understanding of equity/derivatives products (Options, Futures, Warrants).
• Familiarity with U.S. financial markets and major exchanges.

Responsibilities

• Maintain and improve a high-throughput trading platform with low latency.
• Diagnose and resolve complex technical incidents quickly to minimize disruption.
• Monitor health and performance; perform capacity planning to meet latency requirements.
• Support systems for order routing, market data feeds, pre-trade risk controls, and reporting.
• Provide direct technical support to U.S.-based traders across strategies.
• Coordinate with exchanges and venues to onboard new connectivity and services.
• Collaborate with global technology teams to deliver platform improvements.
• Contribute to design and rollout of new Market Access capabilities.

Skills

Unix/Linux administration

Networking fundamentals

Windows environments

Databases (MySQL)

Equity and derivatives products

U.S. financial markets

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

• 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/ou 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.