Applications Support Analyst

Citibank (Switzerland) AG; Pune District; Hybrid; Confidential; Full time

Job summary

Citibank (Switzerland) AG invites a versatile Applications Support Analyst to ensure reliable Citi applications in a hybrid Pune environment. You will monitor production systems, analyze telemetry, and drive incident resolution while coordinating with engineering, infrastructure, and external vendors.

The role requires 4–9 years of experience in production support, strong SQL/MongoDB skills, and proficiency in Unix/Linux, scripting, and APM tools.

Qualifications

• 4-9 years of experience in Application Support, Production Support, SRE, Platform Support, or related technical roles.
• Experience supporting distributed applications in production environments with a focus on stability, reliability, and performance.
• Strong troubleshooting and analytical skills with SQL and MongoDB for data validation and investigations.
• Familiarity with Unix/Linux environments, logs, and performance monitoring.

Responsibilities

• Provide technical and business support for Citi applications, ensuring high availability and performance.
• Investigate issues, provide short-term resolutions, and work with cross-functional teams for long-term fixes.
• Develop understanding of end-to-end application architecture and business workflows.
• Act as liaison between business users, technology teams, and vendors to resolve issues.
• Participate in application releases and post-release validation in dev/test/prod.
• Perform proactive monitoring using Grafana, Splunk, Dynatrace, AppDynamics, and OpenTelemetry.

Skills

SQL

MongoDB

Unix/Linux

Shell Scripting

Grafana

Splunk

OTel

Dynatrace/AppDynamics

REST APIs

JSON/XML

Git

Jira

ServiceNow

CI/CD

Incident Mgmt

APM

Cloud (AWS/GCP/Azure)

Education

Bachelor's degree

Tools

Grafana

Splunk

OpenTelemetry

Dynatrace

AppDynamics

REST APIs

Job description

## Applications Support AnalystApply: Hybrid: Pune Maharashtra India: Full time: Posted Today: 26990686### Responsibilities* Provide technical and business support for Citi applications, ensuring high availability, stability, and performance of critical production systems.* Utilize strong application support knowledge to investigate issues, provide short-term resolutions, and partner with Engineering, Development, Infrastructure, and Vendor teams for long-term remediation.* Develop a comprehensive understanding of end-to-end application architecture, integrations, and business workflows.* Act as a liaison between business users, technology teams, and external vendors to resolve application and infrastructure issues.* Participate in application releases across development, testing, deployment, and production environments, including post-release validation and production readiness reviews.* Perform proactive monitoring and support of production systems using observability and monitoring tools such as Grafana, Splunk, Dynatrace, AppDynamics, OpenTelemetry (OTel), Elastic, or similar platforms.* Analyze application, infrastructure, and business transaction telemetry including metrics, logs, traces, and alerts to identify service degradation, root causes, and performance bottlenecks.* Own incident management activities, including troubleshooting, impact assessment, escalation coordination, stakeholder communication, and post-incident reviews.* Perform detailed root cause analysis using application logs, SQL queries, MongoDB queries, Unix/Linux commands, monitoring dashboards, and system diagnostics.* Support engineering initiatives focused on application reliability, performance optimization, automation, resiliency, operational excellence, and platform modernization.* Develop and maintain operational runbooks, support documentation, knowledge repositories, and standard operating procedures.* Participate in disaster recovery testing, business continuity exercises, and resiliency assessments.* Collaborate with Development and Engineering teams to prioritize defect fixes, technical debt reduction, observability enhancements, and support tooling requirements.* Identify opportunities to automate manual operational activities and improve monitoring, alerting, and support processes.* Analyze applications to identify risks, vulnerabilities, performance issues, and security concerns, recommending remediation actions where appropriate.* Leverage SQL and MongoDB to perform data analysis, issue investigation, transaction validation, and operational reporting.* Utilize Unix/Linux environments to perform troubleshooting, log analysis, application validation, scripting, and production support activities.* Drive stability, efficiency, effectiveness, and observability initiatives to improve application reliability and reduce operational risk.* Serve as a Subject Matter Expert (SME) for supported applications and provide technical guidance to team members and stakeholders.* Exercise independent judgment in resolving complex technical issues while ensuring compliance with organizational standards and controls.* Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients, and assets.### Qualifications* 4-9 years of experience in Application Support, Production Support, Site Reliability Engineering (SRE), Platform Support, or related technical roles.* Experience supporting distributed applications in production environments with a focus on stability, reliability, and performance.* Working knowledge of observability concepts including Metrics, Logs, Traces, Alerting, Monitoring, and OpenTelemetry (OTel).* Experience with monitoring and observability tools such as Grafana, Splunk, Dynatrace, AppDynamics, Elastic, New Relic, or similar platforms.* Strong troubleshooting and analytical skills with the ability to diagnose complex application, infrastructure, and data-related issues.* Hands-on experience writing SQL queries for data validation, troubleshooting, reporting, and production investigations.* Working knowledge of MongoDB including querying, analyzing collections, and troubleshooting application data issues.* Experience working in Unix/Linux environments, including log analysis, process monitoring, file management, shell scripting, and production support operations.* Understanding of application architecture, APIs, middleware technologies, databases, messaging systems, and cloud-based platforms.* Exposure to automation and engineering practices that improve operational efficiency and reduce manual support activities.* Experience with incident, problem, change, and release management processes.* Knowledge of issue tracking, service management, and reporting tools such as ServiceNow, Jira, or equivalent platforms.* Understanding of DevOps, CI/CD pipelines, and software development lifecycle processes.* Ability to perform root cause analysis and drive corrective and preventive actions.* Basic understanding of financial services, transaction processing, and banking applications is preferred.* Effective communication, stakeholder management, and collaboration skills.* Ability to prioritize workload, manage multiple tasks, and work effectively in a fast-paced production support environment.* Strong customer focus with excellent verbal and written communication skills.* Demonstrated ability to work independently while collaborating effectively across cross-functional teams.### Technical Skills (Preferred)* SQL* MongoDB* Unix/Linux* Shell Scripting* Grafana* Splunk* OpenTelemetry (OTel)* Dynatrace/AppDynamics* REST APIs* JSON/XML* Git* Jira* ServiceNow* CI/CD Tools* Incident & Problem Management* Application Performance Monitoring (APM)* Cloud Technologies (AWS, GCP, Azure) exposure preferred### EducationBachelor's degree in Computer Science, Information Technology, Engineering, or equivalent professional experience.