firstPRO US
Application Support Engineer (FIX Protocol)
Skills
4 days ago
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Important information
Contract type:
Permanent
Salary:
$100,000 – $135,000 / year
Location:
New York, NY, USA
Work mode:
Onsite
Published on:
16 October 2026
What they need
1 weekend day, 4 week days shift
The Application Support Engineer position supports customer-facing operations by responding to operational and business issues. This position is responsible for planning, deploying, and supporting client implementations of products.
Specific Duties:
- Provide customer support in accordance with company SLAs via email, phone, or live chat.
- Act as a technical first responder. Triage technical issues across multiple infrastructure levels (network, OS, application). Prioritize and escalate issues according to the severity and details of each case.
- Analyze logs, FIX messages, and other primary sources to determine the root cause of trading and quoting issues.
- Manage upgrades and migrations for related application software. Perform system check-out after the process is completed.
- Develop subject matter expertise and be an ambassador of digital asset knowledge within the team.
- Work with clients to appropriately configure each aspect of their application, including liquidity provider details, order routing configuration, trading platform connectivity, and prime broker give-up arrangements.
Required Skills:
- Excellent verbal and written communication skills and high attention to detail.
- Ability to process multiple client communication streams and make high-quality decisions under pressure.
- Desire and ability to learn new skills and tools, and enthusiastically take on new opportunities and tough challenges.
- High proficiency level (power user) with Microsoft Windows OS.
- 2 - 5 yr experience supporting clients in the financial services industry.
- Understanding of FIX protocol.
- Basic knowledge of TCP/IP and Networking.
- Basic knowledge of SQL (PGSQL, MYSQL).
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