Jeyaprakash Dasu Rajagopal
GeorgeTown
Summary
Dynamic IT Infrastructure professional with extensive experience at Dell Technologies, specializing in Ansible automation and Linux server management. Achieved $5M in savings through strategic migrations and optimizations, showcasing a strong ability to enhance operational efficiency. Proven leader of cross-functional teams, dedicated to delivering innovative solutions that drive performance improvements.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Senior Advisor, IT Infrastructure
Dell Technologies
02.2020 - Current
- Developed the Ansible solutions for Day 0, Day 1 provisioning activities, including configuration drift.
- Collaborated with Hypervisor teams to implement the Ansible solutions for VM provisioning via private cloud.
- Maintaining the Oracle Linux and Red Hat Linux OS templates for VMs.
- Migrated the Linux servers from Puppet Enterprise to Ansible for drift configuration, resulting in $3M savings on Puppet Enterprise licenses per year.
- Aided the application teams in migrating the workloads from BMC Server Automation to Ansible AWX, resulting in $2M savings on license costs.
- Facilitated the extension of the Ansible solutions to Linux physical server provisioning.
- Adopted GitLab for better version control of the Ansible playbooks.
- As part of the datacenter exit program lift-and-shift activity, I have coordinated to procure over 1,000 SAP VMs running RHEL7 in the new DC for various environments like SBX, DEV, QA1, QA2, QA3, QA4, PERF, Pre-Prod, PROD, and DR.
- Designed the web, application, and Oracle DB servers to be hosted as virtual machines, and the SAP ECC databases in Dell R940 physical servers.
- Deployed these VMs using VMware vRealize Automation (VRA) with specialized blueprints.
- Designed these VMs with dual networks for better performance.
- One serves as public, and the other as the NAS interface.
- The Linux OS is standardized according to Dell IT standards and customized with Puppet for uniform configuration.
- Automated the post-provisioning of VMs for SAP-specific builds in Ansible and integrated it into the Blueprint with the help of the VRA team.
- Segregated each environment with its own NAS shares, SID ADM accounts, sudoers, and services for better manageability.
- Coordinating with the Data Center Logistics team to get rack space and power for these workloads in multiple data centers, as per the architecture from the SAP team.
- Coordinating with the network team to design the required networks for physical and virtual infrastructure.
- Preparing the cabling cut sheets for the DCL team to cable the servers while racking them.
- Coordinating with the Storage and Backup team to design the requirements for all environments.
- Developed the detailed OS build document for the Dell R940 physical servers, including SAN storage, network setup, and post-build activities.
- Extensively involved in designing the SAP S/4 HANA Central Finance Systems, along with SAP architects, by selecting the right hardware from the SAP certification matrix.
- Built physical servers for 12 nodes, BW HANA clusters in QA, PERF, Prod, and DR environments.
- Built a pair of ATOS BULL S800 servers in QA, PERF, Prod, and DR environments, hosting the cFIN Database.
- Continuously providing technical support to DBAs and app teams until Go-Live.
- Extensively worked with LVM, networking, and storage technologies.
- Experienced in patching the OS, upgrading the firmware, and updating the BIOS components of the physical servers.
- Serving as the Subject Matter Expert (SME) for Linux servers, with installation, configuration, and maintenance of servers as per Standard Operating Procedures.
- Coordinating with the Application and Network teams for NGS, Firewall, and Load Balancer configurations setup.
- Coordinating with Data Center Logistics, Procurement, and Project teams to deliver the required infrastructure.
- Providing ideas and solutions to automate across the infrastructure landscape, which will provide cost efficiencies to the client.
- Working closely with the Engineering and Operations staff to ensure the smooth operation of the infrastructure, and establish Operational Best Practices.
- Helping Dell Digital app and DB teams to migrate the EOL VMs to the latest hardware by right-sizing the VMs and selecting the optimal data center.
- Acting as a Level 4 escalation point for Linux infrastructure.
Senior Consultant – Infrastructure Management
Infosys Limited
Overland Park
07.2013 - 01.2020
- Worked on an H-1B visa at the client location in Overland Park, Kansas.
- Operations lead for Unix, Storage, and Backup track from onshore.
- Engaged the onshore and offshore teams for incident and change management activities.
- Assisted with technology and product assessments, performing evaluations as required.
- Provided system performance analysis utilizing trends, system metrics, traffic, and usage of the system.
- Involved in gathering complex requirements for business needs, and helping app teams to build infrastructure systems.
- I met with different vendors, along with the client manager, for new solutions and product reviews.
- I had active control over the ITIL process on ServiceNow.
- Materialized new ideas into projects with SOW.
- Proposed hardware upgrade plans for EOL products, and forecasted new projects.
- Worked on new RFP proposals within the organization.
- Presented weekly and monthly reports to the client on time.
- Analyzed the capacity for Unix, storage, and backup tracks, and provided recommendations to the client.
- Acted as Tower lead for Unix, Storage, and Backup track.
- I trained the team on Unix and backup technology as a mentor.
- Led the upgrade projects in various tracks.
- Preparing and presenting weekly, monthly, and quarterly reports to the client on time.
- Performing capacity analysis for Unix, storage, and backup tracks, and providing recommendations to the client.
- Maintained the CMDB, TAI, and escalation matrices for all tracks.
- Drew up various Service Improvement Plans with the team's help, and presented new ideas to the client.
- Automated the post-provisioning of Linux VMs through Ansible.
- Converted the shell scripts to Ansible for idempotency.
- Coordinated the half-yearly DR rehearsal activities at the client end.
- Acted as the escalation point of contact for all technical and functional issues.
- Continuously coordinated with clients for regular project administration and maintenance activities, along with the onsite team.
ITO Svc Delivery Cons III-b
Hewlett-Packard Global Soft Pvt. Ltd.
05.2011 - 07.2013
- Providing infrastructure support to Linux servers, hardware, and backup appliances.
- Handled server-build project activities for ProLiant hardware.
- Project administration on build activities, including firmware, PSP, and SAN allocation on new hardware.
- Conducted weekly review meetings with the PM and the client on project deliverables.
- Proposed regular server upgrade plans.
- I installed and configured the Red Hat Cluster Suite.
- Performed server hardening as per customer standards.
- Performed HP server management tools installation and configuration on servers.
- Handled change management and problem management on scope works.
- Acted as the escalation point of contact for Sev-1 incidents for the respective deliveries.
- Handled inter-data center server migration projects and P2V migration coordination with the VMware environment.
- Performed kernel patching and upgrades, including firmware, iLO, and PSP, by scheduling global maintenance break activities.
- Performed server decommissions as per the standards.
- Involved in Brownbag simulation on Red Hat Enterprise Virtualization products.
- Represented the team at weekly TAB, CAB meetings, and UNIX tower Problem Management Review meetings.
- Continuously coordinated with vendors and the internal team on Root Cause Analysis.
- Maintained process and technical documents on internal SharePoint.
- Participated in internal ISO audits and customer audits, and handled tickets on HP Service Manager and HP OVSC tools.
Sr. System Administrator
Wipro Technologies
10.2009 - 04.2011
- Provided infrastructure support to Linux and Unix servers.
- Administered Solaris on production servers, including installations, and maintenance of the OS.
- System Controller configurations.
- Installed software packages and patches on Linux servers and Solaris servers.
- Managed two-node VERITAS cluster servers.
- Configured and managed cluster resources.
- Performed volume-related operations, such as creating, resizing, restarting, recovering, and removing the volumes.
- Supported installing the application package on UAT, QA, and Prod regions.
- Performed regular OS patching on servers.
- Monitored system performance of virtual memory, system events, swapping, disk utilization, and CPU utilization.
- Case management support with Sun for a hardware issue.
- Administered the Zones configurations on Sun hardware.
- Handled escalation tickets within the norms specified in the SLA.
- Expertly managed process control, and perfectly scheduled system-related jobs.
System Administrator
iNautix Technologies India Pvt Ltd
10.2007 - 10.2009
- Provided infrastructure support to Linux and Unix servers.
- Installed and configured software packages and patches.
- Configured Sun Volume Manager and Veritas Volume Manager.
- Implemented RAID levels like 0, 1, and 5 using Veritas Volume Manager.
- Monitored all aspects of the network and systems through Netcool.
- Monitored the server for CPU usage, disk space, and memory.
- Actively participated in the DR tests and production moves on the weekends.
- Performed weekend-scheduled reboots of the VERITAS cluster server.
- Depending on the requirements, installed and configured end-of-day jobs.
- Flawlessly performed configuration and maintenance of NFS and NIS servers.
- Skillfully configured and administered disk, file system, and file security.
- Expertly managed process control, and perfectly scheduled system-related jobs.
- Extensively performed user management in a Solaris environment.
Junior Engineer
Sify Limited
03.2006 - 10.2007
- Providing infrastructure support to Linux and Unix servers.
- Hands-on experience in supporting 24/7 operations.
- Validated alert logs and trace files for issues, and performed file system maintenance activities.
- Performed Linux user and group management tasks, and set up a user’s work environment.
- Maintained Linux and Solaris servers.
- Monitored virtual memory, adding additional swap space as needed.
- Monitored various server and application parameters via monitoring tools.
- Supported incident and change management by using BMC Remedy software.
- Worked in a team to implement the underlying processes supporting IT service management, such as incident management and change management.
- Regularly backed up and restored the file system, along with the data, for efficient functioning.
- Expertly managed process control, and perfectly scheduled system-related jobs.
Education
B.E - Electronics and Communication
KLN College of Engineering
Sivaganga, Tamil Nadu04-2005
Skills
- RedHat Linux
- Sun Solaris
- OEL
- Windows
- Ansible
- Bash Scripting
- Puppet
- VMWARE
- VRA
- Sun Sparc Servers
- Dell PowerEdge
- HP ProLiant
- HP Blade Enclosure
- Oracle SPARC/x86
- VERITAS Cluster Server
- RedHat cluster
- Service Now
- Remedy
- Amazon Web Services
- Dell Digital Private Cloud
Certification
- AWS Certified Solution Architect Associate
- ITIL Foundation Certificate in IT Service Management
- Oracle Certified Professional for Solaris 10 System Administration
- RedHat Certified Engineer for RedHat Enterprise Linux
Training
- VMWARE Certified Professional 2020, 5 days
- Dockers and Kubernetes, 5 days
- ITIL Foundation V3 2011, 5 days
- VERITAS Cluster Server 5.0, 5 days
- HP-UX for experienced Unix administrators, 5 days
- SUSE Linux Enterprise Server 11 Administration, 12 days
- Oracle Certified Professional on Solaris 10 administration, 10 days
Languages
English
Professional
Tamil
Professional
References
References available upon request.
Timeline
Senior Advisor, IT Infrastructure
Dell Technologies
02.2020 - Current
Senior Consultant – Infrastructure Management
Infosys Limited
07.2013 - 01.2020
ITO Svc Delivery Cons III-b
Hewlett-Packard Global Soft Pvt. Ltd.
05.2011 - 07.2013
Sr. System Administrator
Wipro Technologies
10.2009 - 04.2011
System Administrator
iNautix Technologies India Pvt Ltd
10.2007 - 10.2009
Junior Engineer
Sify Limited
03.2006 - 10.2007
B.E - Electronics and Communication
KLN College of Engineering
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