Senior Application Support Engineer

Come join oneZero Financial Systems! An exciting, fast-growing company with Headquarters in Somerville MA, oneZero empowers banks, brokerages, and hedge funds with cutting-edge trade routing and execution technology. Our platform, deployed with 200+ entities globally, features a low-latency trading environment, integrations to the world’s leading execution venues, and reliable IT infrastructure and technical support—all designed to be customized and scaled to serve any business model and any size of market participant. We take pride in our great work atmosphere and highly motivated team of engineers. We are currently looking for a motivated and talented Senior Application Support Engineer to join our Somerville office.

The Senior Application Support Engineer position supports customer-facing operations by responding to operational and business issues. In addition to technical responsibilities, this role includes leading a small team, ensuring operational excellence, and driving continuous improvements. This position is responsible for planning, deploying, and supporting client implementations of oneZero's products.

Specific Duties:

1. Lead and mentor a small team of Application Support Engineers, providing guidance, training, and performance management.
2. Manage the team's daily operations, ensuring timely and accurate resolution of customer issues in alignment with company SLAs.
3. Collaborate with other departments (e.g., CSM, Sales, Billing, Development, IT, etc) to drive the resolution of complex client issues and improve product offerings.
4. Conduct regular team meetings to review progress, address challenges, and ensure alignment with organizational goals.
5. Act as a point of escalation for critical issues, providing strategic input and directing the team on best practices for issue resolution.
6. Monitor and analyze team performance metrics to identify areas for improvement and ensure service quality.
7. Coordinate the on-call schedule and provide support during high-priority incidents.
8. Foster a collaborative and supportive work environment, encouraging team growth and professional development.
9. Support change management and incident review processes, ensuring lessons learned are incorporated into future workflows.

Technical Duties:

1. Provide customer support in accordance with company SLAs via email, phone, or live chat.
2. 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.
3. Analyze logs, FIX messages, and other primary sources to determine the root cause of trading and quoting issues.
4. Manage upgrades and migrations for oneZero and related application software. Perform system check-out after the process is completed.
5. Develop subject matter expertise and be an ambassador of digital asset knowledge within the team.
6. Work with clients to appropriately configure each aspect of their oneZero application, including liquidity provider details, order routing configuration, trading platform connectivity, and prime broker give-up arrangements.

Required Skills:

1. Proven leadership experience in a support or technical role, with the ability to manage and develop a small team.
2. Excellent verbal and written communication skills and high attention to detail.
3. Ability to process multiple client communication streams and make high-quality decisions under pressure.
4. Desire and ability to learn new skills and tools, and enthusiastically take on new opportunities and tough challenges.
5. High proficiency level (power user) with Microsoft Windows OS.
6. 5+ years experience supporting clients in the financial services industry.
7. Understanding of FIX protocol.
8. Basic knowledge of TCP/IP and Networking.
9. Basic knowledge of SQL (PGSQL, MYSQL).

The salary range for this role is $120,000.00 to $140,000.00, based on relevant experience.