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Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
Perform regular updates and patching of server operating systems (e.g., RHEL 7 to RHEL 8), applications, web servers, and middleware to maintain cyber hygiene and security
Ensure comprehensive backup strategies are in place for all files and folders before any system upgrade, guaranteeing quick restoration capabilities
Implement and enforce strict access controls for application team members, adhering to Citi standards for vulnerability remediation and security effectiveness
Manage and perform Quarterly WebLogic CPU Patching
Execute JDK/JRE, AppDynamics, and Tomcat upgrades as required
Oversee SSL installation and renewal for ICGA and Essbase applications to ensure secure communication
Provide stable and consistent baseline support for allocated applications, minimizing disruptions through streamlined routine tasks and proactive planning
Provide engineering support including monitoring applications, services, logs, performance, and issues to facilitate faster issue resolution
Engage proactively with application teams to address any application, middleware, or service-related issues, providing valuable insights and troubleshooting expertise
Assist application teams in building new infrastructure and decommissioning unused estate resources
Support and troubleshoot SFTP setup and related issues
Procure new servers, whether physical or within Elastic Container Service (ECS), including solution planning, budgeting, and implementation
Perform decommissioning processes for old servers and applications that have been migrated to new environments
Demonstrate strong proficiency in automation tools and technologies such as PowerShell, Shell scripting, Python scripting, and Ansible
Automate manual tasks to enhance consistency, minimize human error, reduce rework cycles, and streamline processes for increased efficiency
Regularly evaluate and learn new tools and technologies to ensure alignment with organizational needs and optimize operations
Track Key Performance Indicators (KPIs) to measure the effectiveness of new tools and identify areas for further optimization
Install, configure, and maintain SRE tools such as the ELK Stack (Elasticsearch, Logstash, Kibana) for logging, monitoring, and analysis
Work with various cloud platforms and technologies, including Elastic Container Service (ECS), Kubernetes, OpenShift, and managing Pods
Identify areas for improvement and inform decision-making by providing valuable data points and analysis related to application support tools and techniques
Contribute to customer satisfaction through effective BAU activities and consistent service delivery
Requirements
Experience with server operating systems (e.g., RHEL)
Must-have proficiency in scripting languages including PowerShell, Shell scripting, and Python, and automation tools such as Ansible