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The Apps Support Lead Analyst is a seasoned professional role providing Level 2 (L2) production support directly to Front and Middle Office users within Citi Japan's Equities business. This position requires hands-on trade floor presence, supporting mission-critical trading applications in a high-pressure, real-time trading environment where system availability and performance directly impact business revenue.
Job Responsibility:
Provide Level 2 production support for Equities trading applications, acting as the primary technical escalation point for trading-impacting incidents
Respond to critical incidents during market hours, executing rapid diagnosis and restoration activities to minimize business disruption
Maintain hands-on trade floor coverage, delivering direct support to Front/Middle Office users in a high-pressure, real-time environment
Serve as a key liaison between business users and Technology (development, infrastructure, vendors), ensuring timely triage, escalation, and resolution
Perform deep technical troubleshooting across applications and environments, including analysis of logs and runtime evidence to identify root cause and remediation paths
Proactively monitor production using enterprise tooling (e.g., ITRS Geneos) to detect anomalies and prevent outages
Execute operational routines including start-of-day checks, continuous monitoring, and regional handover to support global coverage
Support production integrity activities, including same-day risk reconciliations and data consistency validation across trading systems
Manage change, deployment, and release execution using CI/CD and Change Management controls, including rollback readiness and zero-impact implementation practices
Drive service stability through post-incident review, problem management input, and continuous improvement initiatives across stability/efficiency/effectiveness
Develop and maintain support documentation, runbooks, and troubleshooting guides
contribute to operating standards and procedures
Communicate clearly with stakeholders under pressure, including impact assessment, timely escalation per SLAs, and concise business-facing updates in business-level English (Japanese a plus)
Provide guidance/mentoring to junior analysts
act as an SME and contribute to knowledge transfer across global teams
Adhere to firm-wide control standards, supporting audit/regulatory responses as required and escalating risks/issues appropriately
Requirements:
5–10 years’ experience in L2 application production support in a securities/investment bank or financial services trading environment
Demonstrated experience providing trade floor support to Front/Middle Office users in Equities or capital markets
Excellent business-level English communication (written/verbal)
Japanese language capability desirable
Proven ability to prioritize and multi-task effectively under extreme time pressure in a real-time trading environment
Strong diagnostic skills including analysis of application/server logs, GC logs, thread/heap dumps, and traces to identify root cause and mitigations
Hands-on experience with monitoring/alerting platforms (e.g., ITRS Geneos, Grafana, or equivalents)
Working knowledge of Change Management and deployment practices, including CI/CD pipelines and rollback procedures
Experience with middleware messaging technologies (IBM MQ, Solace, Kafka, Tibco EMS, or similar)
Familiarity with incident/problem management tooling (e.g., ServiceNow/JIRA) and structured RCA/problem management
Domain/platform exposure: OMS/EMS/MO systems
Unix/Linux + SQL troubleshooting
FIX/trading workflow knowledge
development background beneficial
Experience applying Site Reliability Engineering (SRE) practices to drive continuous production stability improvements