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The Applications Support Leads (C12) is a seasoned technical professional responsible for providing end‑to‑end application support for Citi’s strategic platforms, with a strong focus on Non‑Production environments (DEV / SIT / UAT ) and DevOps-enabled delivery models. This role applies in‑depth disciplinary knowledge to support complex applications, contributes to continuous improvement of operational processes, and partners closely with Development, DevOps, Quality Assurance, Infrastructure, and Release Management teams. The individual demonstrates strong analytical, problem‑solving, and communication skills, and operates with a moderate level of autonomy while influencing outcomes through expertise and judgment. The role has a direct impact on application stability, release readiness, testing effectiveness, and time‑to‑market, ensuring that technology platforms meet business expectations and Citi’s risk and control standards.
Job Responsibility:
Provide Level 2 / Level 3 technical and business support for Citi applications across Non‑Production environments, ensuring availability, stability, and readiness for testing and deployments
Manage, maintain, and support application platforms and their operating environments post‑development lifecycle, with emphasis on environment stability, configuration consistency, and functional integrity
Perform Start‑of‑Day / End‑of‑Day checks, ongoing health monitoring, and regional handovers across global support teams
Conduct same‑day risk checks and reconciliations to ensure environment and application integrity
Support and troubleshoot CI/CD pipelines across Non‑Production environments, including build failures, deployment issues, rollback scenarios, and promotion defects
Participate actively in application releases, including deployment coordination, validation, verification, and post‑release stabilization
Work closely with DevOps and Development teams to enable automation, reduce manual intervention, and improve deployment reliability
Support deployment dry runs, rehearsal activities, and environment readiness assessments ahead of major releases
Proactively monitor applications using tools such as ITRS Geneos, Splunk, Kibana, and similar platforms
Assess the risk and business impact of application and environment incidents, escalating appropriately in line with SLAs and Citi incident management standards
Perform root cause analysis (RCA) and drive preventive actions to reduce recurring issues
Ensure logging, alerting, storage, and archiving procedures are implemented and functioning correctly
Act as a technical liaison between business users, developers, infrastructure teams, and third‑party vendors
Support applications running on Linux platforms, databases (Oracle, SQL Server, MongoDB), middleware, and web/application servers (WebSphere, WebLogic)
Provide middleware support including MQ, NDM, and SFTP configurations
Support batch scheduling and workload automation using Autosys
Develop and maintain support documentation, runbooks, and deployment procedures
Contribute to defining and improving operating standards, support processes, and controls
Identify opportunities to optimize application performance, efficiency, and operational effectiveness
Actively participate in post‑implementation reviews to ensure release objectives are met
Serve as a subject matter expert (SME) for assigned applications and environments
Provide coaching and guidance to junior analysts, contributing to team capability uplift
Exercise sound judgment and autonomy while operating under Citi’s risk, compliance, and control framework
Ensure decisions demonstrate consideration for Citi’s reputation, regulatory obligations, and client impact
Requirements:
8–13 years of experience in Application Support, Production Support, or Technical Operations roles
Strong experience supporting Non‑Production environments in fast‑paced delivery models
Hands‑on experience with Linux operating systems
Proficiency with databases (Oracle, SQL Server, MongoDB)
Experience supporting web and middleware platforms (WebSphere, WebLogic, MQ, NDM, SFTP)
Working knowledge of CI/CD pipelines and DevOps delivery practices
Experience using monitoring and logging tools (Geneos, Splunk, Kibana or equivalent)
Experience with Autosys or enterprise scheduling tools
Strong analytical, troubleshooting, and problem‑management skills
Excellent written and verbal communication skills, with ability to explain technical issues to non‑technical stakeholders
Nice to have:
Exposure to Cloud technologies and container platforms (ECS / Kubernetes – support perspective)
Experience working in Agile / DevOps operating models
Proven record of driving stability, efficiency, and automation initiatives