Janardhanan Perumalsamy

Experienced Systems Administrator with 12+ years of expertise in design, development and maintenance of complex software and management of server infrastructures and data center operations across operating system platforms. Highly proficient in implementing enterprise solutions for business applications in broad scale, web-delivered environments. Determined to deliver best technical solutions to meet functional and business requirements. Diligent troubleshooter, with strong communication skills and the ability to interact effectively with employees and departments various IT environments. Flexible with positive work attitude focused on producing results under tight deadlines. Demonstrated understanding of the Windows Servers Migration and Maintenance Life Cycle. Focused on improving business productivity and efficiency by designing new systems and improving existing infrastructures to meet changing demands. Good communication, planning and organizational skills developed over 17+ years in the field.

• 11/2005 Microsoft Certified Systems Admin (MCSA)- Windows 2003 server
• ITIL Certified - Version 2.0
• 07/2016 Microsoft Certified Systems Admin (MCSA)- Windows 2012 server
• 12/2017 Implementing Microsoft Azure Infrastructure Solutions
• 12/2022 Microsoft Azure Architect Technologies
• 12/2021 Microsoft Azure Security

• Team collaboration: Active team member Assisted L1 team and Coordinated with Engineer team to fill underlying technical fulfillment.
• Wintel: Worked On major Windows builds and Operating system Upgrades, 1500 Server's Upgrade (Windows 2003 to Windows 2012) completed in 6 Months. without any major outbreak or outage to applications. smooth transition not exceeding Deadlines. Continuous improvement on Patching Cycle using SCCM, starting 2003 to 2019. Maintained SCOM Environment, Provided Numerous Dashboard to Site reliability Team and Operations team.
• Automation: Automated most of Repeated Day to Day tasks like Health check, Deployments, and time-consuming tasks (Weekly/Monthly) Using Power shell tool. Contributed 20 + Scripts for team to make Jobs easy. Received Multiple appreciation from Business Leads and Infrastructure Managers.
• Cloud Services: Amazon Storage Gateway - After Customer moved to Cloud, still the Tape library was Physical and tape Movement weekly, Monthly and Yearly happening between Datacenters (East to west Region NA), cost to rotate tapes, Maintain Physical tapes requires more time, resource, and cost. Also, restoration over Slow Links. Hence suggested customer to Move AWS storage gateway with Modified cost solution the same was great success. Amazon SSM - Design and Implemented free Amazon SSM solution to Patch All EC2 instances, this solution completely reduced the SCCM Per License cost. Currently customer has 1000 Ec2 Instances, all Instances SCCM License completely removed from Renewal. On Amazon SSM, Each Ec2 instance will reach Internet to scan and download Patches. hence this will create Internet download cost per Ec2, to overcome an WSUS server placed to download one-time patch from Internet and the WSUS server will provide patches to Local Ec2 instances. Also Introduced Software Deployment using Amazon SSM Documents.
• Virtualization: Headed VMware Upgrade and Vulnerability remediation Project twice (5.5 to 6.0 and 6.0 to 6.5) zero downtime to Production VM and Zero escalations. Introduced Most of the VM ware Best practices and Hardening Practice to Customer environment. Built Customer Nutanix Environment from scratch and Migrated, VM from Legacy Host to Nutanix Hosts with very Minimal Downtime (No Third-party Migration tools used) VMware Horizon View - End to End Design Support, worked with VMware and MS Azure team to on board PODS on Azure Subscription. Also Maintaining On-premises View Infrastructure.

H1B- 09/2013 - 08/2025 (I-140 Active)