Senior Application Support

Senior Application Support

About the Role

We are looking for a Level 2 (L2) Application Support Engineer to join a global trading operations team. The role focuses on supporting electronic trading platforms and financial applications in a high-pressure production environment. You will also participate in IT Service Management processes, including Incident, Problem, and Change Management, and contribute to operational governance.

Key Responsibilities:

• Troubleshoot and resolve live production issues quickly, escalating when necessary.
• Prioritise incidents based on business impact and urgency.
• Monitor system components and improve monitoring workflows.
• Support and maintain both production and testing environments.
• Communicate effectively with internal teams and end users.
• Document systems, processes, and operational enhancements.
• Collaborate with development teams to ensure smooth release handovers.
• Provide clear updates on outages and incidents.
• Support compliance and regulatory reporting requirements.
• Identify operational risks and implement mitigation.
• Mentor and train team members as needed.

Skills & Experience Required:

• Bachelor’s or Master’s degree in Computer Science or related field, with 5+ years of relevant experience.
• Strong interest in learning new technologies and tools.
• Experience with financial trading systems, messaging protocols, or electronic transaction platforms.
• Understanding of FIX protocol and low-latency system operations.
• Familiarity with messaging systems (e.g., JMS) and production system workflows.
• Knowledge of straight-through processing (STP) trade flows is desirable.
• Networking expertise with ability to analyse packet captures.
• Advanced Unix/Linux skills (TCP tuning, CPU affinity).
• Scripting experience in one or more languages (Python, Bash, etc.).
• Experience with system connectivity to trading platforms or exchanges is a plus.
• Excellent communication skills and strong customer-service mindset.