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# FIX Connectivity Engineer

- **Company:** Selby Jennings
- **Location:** Bala Cynwyd, PA, United States
- **Experience:** Experienced
- **Salary:** $150,000.0 - $350,000.0
- **Contract:** Permanent contract
- **Skills:** Algorithmic Trading, Unix, Software Debugging, Linux, Monitoring of Systems, Session Management, Software Deployment, SQL Databases, Scripting
- **Published:** May 30, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=f8c089864b5eae3d

## About the Role

Do you have experience in Systems & applications support?, * Minimum 3 years of experience in electronic trading environments, focusing on FIX connectivity or trading system support

 * Solid knowledge of FIX messaging across both session management and trade-related communication
 * Understanding of trading workflows, including order handling and execution processing
 * Proven ability to debug and resolve connectivity issues using logs and monitoring tools
 * Experience working in live production environments with structured change and incident processes, * Familiarity with scripting, querying, or automation tools (e.g., SQL)
 * Exposure to trading platforms such as Bloomberg EMSX, Fidessa, FlexTrade, or similar systems
 * Understanding of market connectivity, including exchange integrations and order routing behavior
 * Experience supporting onboarding or certification of client or vendor connections
 * Comfort working within Linux or Unix-based systems

## Description

* Build, configure, and maintain FIX connections with clients, brokers, exchanges, and trading systems
 * Oversee the full onboarding process, including requirements gathering, session setup, certification, and production deployment
 * Investigate and resolve issues within FIX message flows such as order submissions, cancellations, executions, and session stability
 * Monitor trading connectivity to identify and address problems like rejects, disconnections, and performance delays
 * Manage configuration elements including routing logic, instrument mappings, and account setups
 * Partner with internal teams and external counterparties to ensure stable and efficient trading connectivity
 * Contribute to incident management efforts by diagnosing root causes and implementing long-term fixes


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