Applications Support Senior Analyst

As an Apps Support Senior Analyst, you will take a central role in running and maintaining the production environment for Citi's critical Reference Data Applications - high visibility applications forming the backbone of Citi's operations, serving hundreds of partner systems across Citi's main businesses - Markets, Services, Banking, and Functions - enabling them to service our clients.

You will join a high-performing team focused on building a robust Production Support platform using the latest technologies, AI-driven automation, and reliability techniques. Our mission is to deliver a world-class client experience by digitizing services, eliminating manual work, and ensuring our platforms can scale for growth.

In this global role, you will provide support for our enterprise-critical applications, partnering closely with Application Support, Development, Infrastructure, Business, and Operations teams to ensure seamless service delivery.

Functional Key Responsibilities

• Provide technical and business support for Citi users, addressing daily queries and issues, driving stability, efficiency, and risk management improvements to help the department and overall business succeed.
• Provide resolution to critical incidents including prioritization, timely escalation and communication to key stakeholders, driving immediate fixes, as well as comprehensive post-mortems and root cause analysis of all problems for recurrence prevention.
• Support the planning and execution of system changes, including application releases, infrastructure maintenance, and continuity of business tests, ensuring production stability is maintained.
• Maintain and optimize the production monitoring/observability estate by implementing new features and leveraging analytics to enhance system visibility and proactive alerting.
• Collaborate closely with development teams to recommend and implement improvements to application stability, performance, and recoverability.
• Identify opportunities and implement automation tools to reduce operational toil, improve efficiency, and mitigate risk.

We are a forward-thinking, collaborative team looking for ambitious professionals who want to improve how things are done. In return, we offer rewarding work in a supportive environment with clear opportunities for progression., * 5+ years in a Production Support role managing enterprise-level applications.

• Deep expertise in Unix/Linux and advanced Shell scripting
• Proficiency with enterprise monitoring tools (e.g., ITRS Geneos, AppDynamics) and log aggregation platforms (e.g., Splunk, ELK)
• Experience with containerization platforms (OpenShift, Kubernetes)
• Experience with relational (Oracle, MSSQL) and NoSQL (MongoDB) databases
• Strong knowledge of messaging solutions (Tibco EMS, MQ, Kafka)
• Experience working with REST APIs
• Infrastructure: Solid understanding of distributed application architecture, including networks, load balancers, storage, and authentication (AD/LDAP)
• Communication: Excellent written and verbal communication skills, with the ability to articulate complex technical issues to both technical and business audiences.

Desirable Skills

• Proficiency in a programming language (e.g., Python, Java) for automation.
• Familiarity with prompt engineering techniques for interacting with Generative AI / Large Language Models (LLMs).
• Experience with observability standards and tools: Open Telemetry, Prometheus, Grafana, * Bachelor's/University Degree or equivalent experience will be considered.

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact., Why Citi? Join a Global Bank that believes in its talent. We're looking for talented individuals to help shape the future of global banking. At Citi, we are intensely focused on driving innovation and productivity. You'll join a diverse global team and have the opportunity to build the career you want, with the scale, inclusive culture, and technology to support your progress. About the Team: Data Solutions Production Management Our Production Management team provides critical business and technical support for the Data Solutions applications, ensuring our platforms and services are always available for our clients. We are highly skilled and valued partners to the businesses we support. Working as part of our team, you will help deliver a world-class client experience by applying engineering, innovation, and risk management across our systems. We collaborate daily to solve complex issues and proactively prevent future problems through diligent systems management.