Sathish Venkatesan
WebSphere / Linux Admin
GUADALAJARA
Summary
Experienced WebSphere / Linux Administrator with 7+ years of expertise in the installation, configuration, and maintenance of WebSphere Application Server in mission-critical environments. Strong background in Linux/Unix administration, performance tuning, automation, and high availability. Proven ability to troubleshoot complex issues, improve system uptime, and support enterprise-scale deployments. Skilled communicator and team collaborator with a track record of delivering stable and optimized infrastructures.
Overview
8
8
years of professional experience
2
2
Certifications
2
2
Languages
Work History
WebSphere / Linux Admin
Tata Consultancy Services
12.2017 - Current
- Configured and managed WebSphere Application Server ND 8.5.5 clusters on AIX/Linux, improving application uptime by 20% through optimized resource allocation.
- Designed and executed installation, migration, and patching processes, reducing system downtime during upgrades by 30%.
- Automated repetitive WebSphere administrative tasks using Shell scripting and Java, cutting manual effort by 40 hours/month.
- Monitored and tuned WebSphere JVM performance (heap sizing, GC tuning), enhancing transaction throughput by 15%.
- Led incident troubleshooting and root cause analysis (RCA) for high-priority issues, reducing average resolution time from 4 hours to 1.5 hours.
- Configured and maintained WebSphere MQ series, IBM HTTP Server, and WebSphere Plug-ins, ensuring seamless message flow across enterprise applications.
- Implemented WebSphere high-availability clusters with load balancers, achieving 99.9% uptime SLA compliance.
- Conducted capacity planning and performance testing, enabling applications to handle 25% higher transaction volumes without service degradation.
- Trained and mentored 5 junior administrators on WebSphere/Unix best practices, improving team productivity and reducing onboarding time by 50%.
- Deployed and managed JBoss and Apache Tomcat servers for secondary applications, ensuring interoperability in a multi-application ecosystem.
- Collaborated with cross-functional teams (developers, DBAs, infrastructure) to streamline deployment pipelines and reduce release time by 35%.
Education
Computer Applications Development
K.C.S. Kasi Nadar College of Arts And Science
Chennai04-2017
Skills
- Application Servers: WebSphere Application Server ND 855, WebSphere MQ, IBM HTTP Server, JBoss, Apache Tomcat
- Operating Systems: Linux, AIX, Unix
- Scripting & Automation: Shell Scripting, Java
- Performance & Monitoring Tools: Control-M, Autosys, Log Analysis, System Monitoring Tools
- Networking: TCP/IP, Load Balancers
- Frameworks & Practices: ITIL, Incident Management, Problem Management, RCA, Change Management
Certification
IBM Certified System Administrator – WebSphere Application Server V8.5
Timeline
ITIL Foundation Certification
05-2018
IBM Certified System Administrator – WebSphere Application Server V8.5
04-2018
WebSphere / Linux Admin
Tata Consultancy Services
12.2017 - Current
Computer Applications Development
K.C.S. Kasi Nadar College of Arts And Science
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