Job
Description
As an experienced L3 Support Engineer at Citi, your role involves handling escalations from L1/L2 teams, performing root cause analysis, and resolving complex production issues. You will be responsible for debugging Java applications (Spring, REST APIs, microservices) in production and staging environments. Collaboration with development teams to provide permanent fixes and suggest code-level improvements is a key aspect of your job. Key Responsibilities: - Handle escalations from L1/L2 teams, perform root cause analysis, and resolve complex production issues. - Debug Java applications (Spring, REST APIs, microservices) in production and staging environments. - Collaborate with development teams to provide permanent fixes and suggest code-level improvements. - Perform advanced SQL query analysis, indexing, and query optimization. - Diagnose DB performance issues, deadlocks, replication errors, and data integrity concerns. - Work with DBAs to design schema changes and implement corrective actions. - Manage CI/CD pipelines (Jenkins, GitLab CI, or similar) for deploying hotfixes and releases. - Apply security best practices in application and infrastructure support (vulnerability scanning, patching). - Automate monitoring, alerts, and log analysis using tools like ELK/EFK, Prometheus, Grafana, or Splunk. - Ensure SLAs are met by monitoring, triaging, and resolving P1/P2 incidents. - Conduct post-incident reviews and drive permanent fixes via problem management. - Maintain runbooks, SOPs, and knowledge base for recurring issues. Qualifications Required: - Strong knowledge of Java / J2EE, Spring Boot, REST APIs debugging. - Hands-on with SQL / Oracle / PostgreSQL / MySQL query tuning & troubleshooting. - Experience with CI/CD tools (Jenkins, GitLab, Azure DevOps). - Knowledge of DevSecOps practices (security scanning, compliance automation, secrets management). - Exposure to cloud platforms (AWS, Azure, GCP) and container orchestration (Docker, Kubernetes, OpenShift). - Familiarity with monitoring & logging tools (Splunk, ELK, Prometheus, Grafana). - Bachelors/Masters degree in Computer Science, Engineering, or related field. - 8 to 12 years of L2/L3 Application Support experience in enterprise environments. - Certifications in Java, Cloud (AWS/Azure), Kubernetes, or DevOps are a plus. Discover your future at Citi by joining a team of dedicated individuals where you can grow your career and make a real impact. As an experienced L3 Support Engineer at Citi, your role involves handling escalations from L1/L2 teams, performing root cause analysis, and resolving complex production issues. You will be responsible for debugging Java applications (Spring, REST APIs, microservices) in production and staging environments. Collaboration with development teams to provide permanent fixes and suggest code-level improvements is a key aspect of your job. Key Responsibilities: - Handle escalations from L1/L2 teams, perform root cause analysis, and resolve complex production issues. - Debug Java applications (Spring, REST APIs, microservices) in production and staging environments. - Collaborate with development teams to provide permanent fixes and suggest code-level improvements. - Perform advanced SQL query analysis, indexing, and query optimization. - Diagnose DB performance issues, deadlocks, replication errors, and data integrity concerns. - Work with DBAs to design schema changes and implement corrective actions. - Manage CI/CD pipelines (Jenkins, GitLab CI, or similar) for deploying hotfixes and releases. - Apply security best practices in application and infrastructure support (vulnerability scanning, patching). - Automate monitoring, alerts, and log analysis using tools like ELK/EFK, Prometheus, Grafana, or Splunk. - Ensure SLAs are met by monitoring, triaging, and resolving P1/P2 incidents. - Conduct post-incident reviews and drive permanent fixes via problem management. - Maintain runbooks, SOPs, and knowledge base for recurring issues. Qualifications Required: - Strong knowledge of Java / J2EE, Spring Boot, REST APIs debugging. - Hands-on with SQL / Oracle / PostgreSQL / MySQL query tuning & troubleshooting. - Experience with CI/CD tools (Jenkins, GitLab, Azure DevOps). - Knowledge of DevSecOps practices (security scanning, compliance automation, secrets management). - Exposure to cloud platforms (AWS, Azure, GCP) and container orchestration (Docker, Kubernetes, OpenShift). - Familiarity with monitoring & logging tools (Splunk, ELK, Prometheus, Grafana). - Bachelors/Masters degree in Computer Science, Engineering, or related field. - 8 to 12 years of L2/L3 Application Support experience in enterprise environments. - Certifications in Java, Cloud (AWS/Azure), Kubernetes, or DevOps are a plus. Discover your future at Citi by joining a team of dedicated individuals where you can grow your career and make a real impact.
