Applications Engineer – FIX Solutions Engineer

Applications Engineer – Financial Information eXchange

Location – Philadelphia, PA (4 days in office a week Hybrid)

Job Summary

This FIX Applications Engineer position is a newly created opportunity within a global financial services leader with over 3,000 employees and award winning culture.

Based out of the company’s headquarters in Philadelphia, PA, the FIX Applications Engineer will join a team of professionals responsible for the maintaining and onboarding maintaining FIX based client, broker, venue, OMS/EMS, and market connectivity across equities, options, FX, or other asset classes.

This position will offer a competitive compensation package based on experience comprised of a base salary in the $140,000 to $180,000 range, annual bonus, full suite of benefits, possible relocation/sign-on bonus, hybrid 4 days a week in office work schedule, as well as the opportunity to work within a highly collaborative work culture recognized as a Top Employer to Work.

Qualified candidates will have related experience supporting FIX connectivity in a brokerage, trading, exchange, consulting, or financial services technology organization. Candidates must be eligible to work in the US without sponsorship and be able to work out the company’s Philadelphia office on a daily basis.

Job Description

• Support, enhance, and expand electronic trading connectivity for our global client facing brokerage trading business.
• Implement, configure, test, and support FIX connectivity for clients, counterparties, exchanges, ATSs, ECNs, brokers, OMS/EMS platforms, and trading vendors.
• Manage full connectivity onboarding lifecycle, including requirements gathering, session setup, message specification review, certification, production rollout, and post-go-live support.
• Analyze FIX messages across order entry, cancel/replace, execution reports, drop copy, allocations, and administrative workflows.
• Troubleshoot production issues involving order flow, rejects, sequence gaps, session disconnects, latency, routing behavior, and trade reporting discrepancies.
• Maintain and enhance FIX session configurations, routing rules, symbol handling, account mappings, entitlement controls, and message transformations.
• Partner with developers and infrastructure teams to improve connectivity platforms, monitoring, alerting, resiliency, and operational tooling.
• Work with business stakeholders to understand trading workflows and translate requirements into technical connectivity specifications.
• Participate in exchange, broker, and vendor certification testing.
• Support incident response, root-cause analysis, and remediation for connectivity-related issues.
• Provide occasional off-hours support for production releases, venue testing, market events, or critical incidents.

Job Requirements

• 3-5+ years of experience supporting or implementing FIX connectivity in a brokerage, trading firm, exchange, fintech, OMS/EMS vendor, or financial technology environment.
• Strong understanding of the FIX protocol, including session-level and application-level messages.
• Experience with SQL, scripting, or reporting tools as well as experience working in a Linux environment.
• Familiarity with electronic trading concepts, order lifecycle, routing, executions, allocations, and trade capture.
• Hands-on experience troubleshooting FIX sessions using logs, message viewers, network tools, or trading support platforms.
• Experience working in production support environments with change management, incident management, and release controls.
• Strong analytical, communication, and documentation skills.
• Ability to work directly with clients, vendors, traders, developers, and operations teams.
• Ability to work onsite in Philadelphia, PA office on a weekly basis. Will offer hybrid 4 days in office a week flexibility.
• Eligible to legally work in the US without current or future sponsorship.