FIX Connectivity Engineer

Selby Jennings; New York (NY); On-site; USD 65,000 - 95,000; Full time

Job summary

Selby Jennings is seeking an early-career technologist to provide client-facing technical support for FIX connectivity, order routing, and OMS within a global electronic trading infrastructure in New York. You will help onboard new clients, troubleshoot production issues, configure trading systems, and ensure reliable connectivity across critical trading platforms.

The role emphasizes strong SQL skills, UNIX/Linux proficiency, and the ability to communicate effectively with traders, clients, and

Qualifications

• 0-2 years of experience in technical support or related role.
• Strong SQL skills and data querying to troubleshoot issues.
• Experience with UNIX/Linux command-line environments.
• Familiarity with the FIX Protocol is preferred.
• Experience with ticketing systems such as JIRA is a plus.
• Strong analytical and problem-solving abilities.
• Excellent communication with external clients and internal stakeholders.
• Ability to manage multiple priorities in a fast-paced environment.
• Interest in electronic trading, financial markets, and trading technology.

Responsibilities

• Provide day-to-day support for FIX connectivity, electronic trading, order routing, and OMS inquiries.
• Investigate and resolve production issues impacting clients and trading operations.
• Support onboarding, FIX certification, and connectivity testing at session and application levels.
• Configure trading systems and connectivity settings for new client implementations.
• Translate client requirements into technical system configurations.
• Perform system, application, integration, and user acceptance testing.
• Install, configure, and troubleshoot trading and connectivity applications.
• Collaborate with traders, clients, and engineering to resolve complex issues.
• Manage incidents, enhancements, and change requests through full lifecycle.
• Maintain testing and UAT environments for ongoing development.
• Participate in initiatives to improve platform stability and client experience.

Skills

SQL querying

Unix/Linux

Analytical thinking

Communication skills

Multitasking

Tools

JIRA

FIX Protocol

Job description

Join a leading global electronic trading and market infrastructure firm supporting the technology that powers institutional trading across global financial markets. The team is responsible for client connectivity, electronic trading support, and the systems that facilitate order flow between clients and the firm's trading platforms.

In this role, you will serve as a key point of contact for clients, traders, and internal technology teams, providing technical support for FIX connectivity, order routing, and order management systems (OMS). You will help onboard new clients, troubleshoot production issues, configure trading systems, and ensure reliable connectivity across critical trading infrastructure.

Responsibilities:

• Provide day-to-day support for FIX connectivity, electronic trading, order routing, and OMS-related inquiries
• Investigate and resolve production issues impacting clients and trading operations
• Support client onboarding, FIX certification, and connectivity testing at both session and application levels
• Configure trading systems and connectivity settings for new client implementations
• Translate client business requirements into technical system configurations
• Perform system, application, integration, and user acceptance testing
• Install, configure, and troubleshoot trading and connectivity applications
• Partner with traders, clients, and engineering teams to diagnose and resolve complex technical issues
• Manage incidents, enhancements, and change requests through their full lifecycle
• Maintain testing and UAT environments to support ongoing development and onboarding efforts
• Participate in technology initiatives and cross-functional projects aimed at improving platform stability and client experience

Qualifications:

• 0-2 years of experience in technical support, application support, production support, or a related role
• Strong SQL skills and experience querying data to troubleshoot issues
• Experience working with UNIX/Linux command-line environments
• Familiarity with the FIX Protocol is preferred
• Experience with ticketing systems such as JIRA is a plus
• Strong analytical and problem-solving abilities
• Excellent communication skills with the ability to interact directly with external clients and internal stakeholders
• Ability to manage multiple priorities in a fast-paced, high-pressure environment
• Interest in electronic trading, financial markets, and trading technology

This is an excellent opportunity for an early-career technologist looking to gain exposure to electronic trading systems, client-facing technical support, and the infrastructure that supports high-performance financial markets.