• Managed Linux infrastructure and middleware software stacks in Java environments running on Websphere (IBM BAW, IBM ODM), JBoss (jBPM) servers.• Spearheaded security vulnerability and patch management for 350+ servers, reducing risk and maintaining compliance with bank policies.• Utilized automation tools to manage server configurations and to scan for non-compliant configs.Selected routine tasks performed:• 24/7 on-call production support• Built/migrated BAW environments onto new hardware.• Troubleshooting issues, opening support cases with IBM, collecting logs• Performing regular software patching

Supported Qualcomm Internet Services BREW product, mobile application platform, as web/system administrator. Managed middleware stack on 300+ server instances and supported ecosystem of Java applications on Redhat Linux. Helped design, build, configure, deploy, scale, and performance tune application servers and web servers across dev/test/production environments. Exercised operational disciplines of monitoring, response plans, escalations, and root cause analysis.Technologies worked with:IBM WebSphere Application Server, IBM HTTP Server, Apache HTTP Server, JBoss AS, SiteMinder, TibCo EMS, SiteScope, LDAP, Cloud computing (AWS)Selected accomplishments: • Eliminated duplicate efforts of learning and investigation time for other team members by creating team web page to document remediation steps for application and HTTP server security vulnerabilities.• Led team in applying and testing 3rd party vendor security patches to application servers, HTTP servers, and Red Hat Linux operating systems, keeping systems/software compliant and patched.Selected routine tasks performed:• 24/7 on-call production support• Installation, configuration and troubleshooting of the WebSphere Application Server 5.x/6.x/8.x, JBoss Application Server 5.x, IBM HTTPServer, IBM WebSphere Plug-in and Tibco EMS.• Installing, Configuring and Administering messaging brokers like Tibco EMS 6.1 and WebSphere Service Integration Bus 6.1.• Automation of day-to-day admin tasks via writing jython/jacl/shell scripts for WebSphere server configuration, application deployment, etc..• WebSphere J2EE application troubleshooting by enabling trace log, analysis of java core and heap core dump by HeapAnalyzer to find any memory leak and ThreadAnalyzer to find any thread hang, deadlock, resource contention etc. and by opening and tracking PMRs with IBM support structure.

Acted as subject matter expert in middle-ware stack, defining standards, troubleshooting, application support, and applications integration. Installed middle-ware software and deployed applications.• Worked with 3rd party software vendor to fix issues by opening cases, collecting logs/data and verifying software patch.• Supported business’ largest revenue generating customer middle-ware upgrade through in-house testing, daily phone calls, writing documentation, writing deployment scripts, and creating installer.• Managed and operated a secure signing room where private signing keys resided that were business critical to the day-to-day operations of the business unit. Maintained all computer systems in room, documented procedures, implemented disaster recovery plan, and performed key ceremonies.• SME for business unit's centralized web access & identity management software (SiteMinder) that allowed user authentication and single sign-on to business websites.

Served as web admin lead on Integration & Implementation (INI) team working with other functional team leads building and designing hosted customer environments.• Performed software deployments across multiple environments, troubleshooting and resolving issues and creating as-built architecture diagrams.

Technical liaison between business Product Support team and Engineering code developer team.