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Click here or scroll down to respond to this candidateCandidate's Name
Contact no: PHONE NUMBER AVAILABLEE-mail: EMAIL AVAILABLEObjectiveTo mark my presence with my creative talents & innovative ideas, and hold a position in a global company the offers opportunities to work around the world where my skills will greatly contribute to the companys success and enhance my personal growth.Summary of ExperienceHaving 10+ years of Experience in Unix/AIX Administration along with Cloud computing. Extensive experiences in working AIX LVM, Linux LVM, NIM, HACMP and VIO environments. Extensive experience in Linux installations, patching and upgradation of critical systems. Extensive experience in Unix servers to Cloud migration. Hands on experience in AWS/Azure Cloud Platforms for provisioning & server administration. Hands on experience in Power9 firmware upgrades along with microcode updates in Power servers. Having knowledge on IBM Cloud for AIX. Replication strategies plan, IIS server configuration and AD Component updates. Configure Intersite and Intrasite policies for AD objects. Educational Details M.Tech (Software Engineering) JNT University, Hyderabad. B.Tech (Computer Science & Engineering)JNT University, Kakinada. Technical Skills Servers IBM p-series, x86, VMs, PowerVM on SUSE & HMC. Operating System Redhat Linux 7/8/9, Redhat satellite, SUSE manager, Ubuntu, AIX 5L,6.1,7.1,7.2,7.3, VIOs. Active Directory replications, SMTP, RPC, Intrasite and Intersite replications. Cluster IBM HACMP, VCS, IBM Powervc. Cloud Amazon Web Services, Microsoft Azure & GCP. Container Tools Dockers, Kubernetes and Openshift. Migration Tools Plate Spin Manager(Discovery, Adding/configuring workloads for P2V, V2V). Having strong skills on NIM and NFS in on-premise and cloud platforms. Having good experience on package installations in AIX/Linux Machines along with IBM FLRT. Having strong experience on monitoring agents like BigFix, Tripwire, HPOVPM & Splunk. Assist in the design of the multiple Public Cloud deployments & On prem Servers. Hands on experience in AWS EC2, VPC, VPN S3, ELB, IAM policies in AWS Cloud. Having experience on LINUX Operating Systems, ITM, Avamar and Symantec Netbackup. Having strong experience IBM XIV & VMAX, VNX to EMC VPLEX, XIO storage migration. Remediated AIX OS vulnerabilities with IBM FLRT tool for the up to date vulnerabilities. Provision of Servers through AWS Console, Patching activities in Cloud servers. Certification Completed IBM Certified AIX System Administration. IBM Certified POWER HA Cluster. Micro focus Certified Plate Spin Manager 12 Migration Tool. AWS Certified Solution Architect Associate. Internal training on Google Cloud Platform for the Infrastructure analysis. Redhat Certified Linux System AdministratorProfessional Experience ABB Systems USA, Cary, North Carolina from December 2018 to April 2024. Designation: Senior Unix/Cloud EngineerRoles and Responsibilities: Creating Users, Groups and working user security settings, home directories and password administering. Installing, configuring and migrated the Unix AIX servers from AIX 7.1 to AIX 7.2 and AIX 7.3 LPARs. Upgraded POWER HA from 7.1 to 7.2 GA3 & HA 7.2.4 SP2 to HA 7.2.6 SP5. Performed the VIOs upgrades/updates from 2.x to 3.x with vulnerability remediations. Installed and updated e-fixes, remediated security vulnerabilities using IBM FLRT. Hosted and configured the Windows-based application on Internet Information Services (IIS), troubleshoot the application issues after post OS level updates and fixed the SAP ERP critical transport issues. IIS on/off features in Unix/Windows for the effective websites hosting. Performed Linux patching through Ansible play books using YAML. Installed, configured Dockers plugins in Unix/Cloud servers. Monitoring the health of containers and automatically restarting or replacing failed containers to maintain application availability. Collecting and analyzing metrics and logs to monitor the performance and health of applications running on OpenShift along with version control systems using Git, Git hub repositories. Monitoring tools like the Active Directory Replication Status Tool (ADREPLSTATUS) can be used to monitor the health and status of AD replication. Troubleshooting replication issues involves diagnosing connectivity problems, resolving DNS issues, and ensuring proper configuration of replication settings. Dynamically deployed and added the resources to the LPARs during critical Go Live actions in SAP/Oracle ERP servers. Performed the CPU computing change from Power8 to Power9 in AIX servers for better performance. Utilizing services like Amazon EC2, Amazon S3, Amazon VPC, and others to build and maintain the cloud infrastructure. Installing the various tools like Tripwire,ILMT,ITM & FNMS in AIX/Linux/Cloud servers. Installing and configuring security patches, implement security policies, conduct security audits, and respond to security incidents. Monitor system performance, resource usage, and security logs to identify and resolve issues proactively using various monitoring tools to track system metrics such as CPU usage, memory usage, disk space, and network traffic. Implement backup and recovery strategies to safeguard data in case of system failures, disasters, or data breaches, regularly perform backups, test restoration procedures, and maintain backup systems. Configure and manage network interfaces, IP addresses, routing tables, and DNS settings on Linux systems, troubleshoot network connectivity issues, optimize network performance, and implement network security measures. Prepared the SOPs for effective system administration, document system configurations, procedures, and troubleshooting steps also generate reports on system performance, security incidents, and other relevant metrics. Managed disks and file systems using LVM architecture, administration. Monitoring the performance and health of AWS resources to ensure optimal operation. Identifying performance bottlenecks and optimizing resource utilization for cost efficiency. Installed, configured and maintained services such as SSH, RPM, YUM, NTP, NFS and Apache Web servers configuration in Linux servers. Creating & maintaining EC2 Linux instances in AWS, configured EFS, EBS. Upgraded the processing units in EC2 instances as per client requirement. Configured & Monitored Cloud watch services for effective monitoring. Installed & configured customized Amazon AMIs. Performing snapshots and server reboots of Linux servers through Vmware vCenter. Updated the rpm.rte, invscout.rte, perl.rte, openssh/openssl, Java packages in Unix server. Performed the kernel updates in Linux servers with respective backup snapshots. Implementing Infrastructure as Code (IaC) practices to define and manage infrastructure using code. CI/CD Jenkins installation for continuous build & Dockers containers in Linux servers. Upgraded the Network Interface Card from E1000 to VMXNET3 in Linux Virtual Machine. Installed the emergency fixes as per recommendation from IBM. Starting & stopping the cluster services in VCS cluster. Upgraded SUSE servers from SUSE15 SP03 to SP04. Patching of servers using Redhat satellite servers and SUSE manager for the updated repositories. Stanford Health Care USA, from July 2012 to December 2018. Designation: Unix Technical SpecialistRoles and Responsibilities: Installed & upgraded netbackup tools on servers for backup configuration. Creating Volume Group, Logical volumes and file systems in both standalone and HA environment. Worked with vendor, replaced the faulty disk drive & adapter. Checking the file systems and increase/decrease the file system if required. Worked with EMC products & upgraded power path software on AIX servers. Proactively maintain and develop all Linux infrastructure technology to maintain a 24x7x365 uptime service. Fault finding, analysis and of logging information for reporting of performance exceptions Familiarity with VMWare and SAN management and concepts. Worked with IBM XIV,EMC storage team & added the storage as per client requirement. Analyzing log files, checking error report and taking pro-active steps. Installing Quick Fixes such as APARs PTFs as when required. Worked with production control team BCV related issues for job monitoring on Unix servers. Upgraded TL/ML using alternate disk installation methods on AIX Operating systems. Performance monitoring using vmstat, iostat, sar, topas, netstat analyzing these reports to figure out any performance issues. Worked with NFS configuration & fixed the communication issues on nfs clients. Installing & configured the IBM ITM Tool management on AIX servers. Worked with backup team for startup & stopping netbackup services on Unix boxes. Installed,configured & upgraded the Netbackup client installations on unix operating systems. Perform health checks on VCS nodes, running cluster statistics to find cluster stability, finding resource group status on VCS Cluster, Performed failover, fallback testing, verification, synchronization. Starting & stopping the cluster services in HACMP cluster &VCS cluster. Worked with Application/Database team performed failover,fallback testing in veritas cluster. Configured mksysb script configuration in crontab as per weekly backup procedure for AIX boxes. Worked on HPOVPM tool for analyzing the server performance, process performance & memory performances of unix servers. Configured the workloads of unix servers for modeling server resources like CPU,Memory & resources. Analyzing the server performance & provide the recommendation to client for configuring necessary resources,model the server as per hardware requirement. Worked on Clarity DB refresh activity from OS layer. Bharti Airtel from Oct 2011 to July 2012.Designation: Unix Systems Engineer.Roles and Responsibilities: Using alternate disk installation method when upgrading or installing TL or ML on AIX Operating system. Starting/Stopping the services in Linux Machines. Strong knowledge in packages installations in AIX/Linux Machines. Having knowledge on Physical to Virtual Migration. Creating new logical volumes, creating file systems, working with file system changes such as changing mount point, changing file system size (grow or shrink). Excellent trouble shooting skills on Logical volume manager, good hands on LVM high level commands. Server build, installing Operating system, migrating OS etc. Installing new software / file sets, packages and other third party applications when required by business. Creating Ether channels for Network redundancy. Installing & configuring ITM products. Performance monitoring using vmstat, iostat, sar, topas, netstat analyzing these reports to figure out any performance issues. Fixing mount issues, checking file system integrity, running fsck in maintenance mode on rootvg logical volumes if any corrupted lvs in rootvg. Taking regular system backup using mksysb and volume group backup using savevg utilities. Creating /removing paging space, checking paging space usage and increase/decrease if required. Perform health checks on HACMP nodes, running cluster statistics to find cluster stability, finding resource group status etc. Creating Volume Group, Logical volumes and file systems in both standalone and HA environment. |
