ponnuvel Madhan

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.

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.

Bachelor of Science (B.Sc.), Computational Science
Periyar University, Salem
April 2000 – April 2004