Ponnuvel Madhan
Unix IBM AIX System Admin @HCL Technologies
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About
Experienced UNIX / IBM AIX System Administrator with 10+ years in enterprise infrastructure, specializing in LPAR/DLPAR, PowerHA, VIOS, and NIM. Proven track record in system upgrades, performance tuning, and automation using shell scripting. Passionate about delivering high-availability solutions and driving operational excellence across mission-critical environments.
Experience
Experienced UNIX / IBM AIX System Administrator with 10+ years in enterprise infrastructure, specializing in LPAR/DLPAR, PowerHA, VIOS, and NIM. Proven track record in system upgrades, performance tuning, and automation using shell scripting. Passionate about delivering high-availability solutions and driving operational excellence across mission-critical environments.
Open to new opportunities in UNIX / IBM AIX system administration. Let’s connect and explore ways to collaborate and grow together.
Skills and experience
AIX: Extensive hands-on experience with AIX administration, including installation, configuration, maintenance, and upgrades.
Virtualization: Strong experience with PowerVM, including VIO Servers, Shared Ethernet Adapters (SEA), NPIV, and Live Partition Mobility.
Hardware: Experience with IBM pSeries hardware (P5, P6, P7).
Clustering: Proven experience with clustering technologies like HACMP/PowerHA.
Storage: Fundamental knowledge of SAN zoning and storage management, including EMC and other enterprise storage arrays.
Scripting: Proficiency in shell scripting (KSH), Perl, or Python for automation.
Performance: Strong skills in performance monitoring, analysis, and tuning.
Troubleshooting: Exceptional problem-solving and troubleshooting abilities for complex issues.
Tools: Familiarity with tools like NIM for system recovery, TSM for backups, and ServiceNow for incident management.
Soft skills
Excellent communication and interpersonal skills.
Ability to work effectively in a high-pressure, 24x7 environment.
Strong teamwork and collaboration abilities.
Capacity to work independently and make sound decisions.
Education
Bachelor of Science (B.Sc.), Computational Science
Periyar University, Salem
April 2000 – April 2004
