Nov 2019 – Apr 2020 · 5 mos · Bengaluru Area, India

Jun 2017 – Nov 2019 · 2 yrs 5 mos · Bengaluru Area, India

• Kubernetes: Architecture design, Resource quota management, RBAC, CRD, Auto-scaling, cluster creation with EKS, Kops, Kubeadm, Persistent volume (EFS Provisioner), Container N/W Ingress, Services, Jobs etc.
• Create and maintain fully automated CI/CD pipelines for application deployment using Jenkins/Groovy, Jenkins Library
• Configuration management using Ansible, Terraform
• AWS services (EC2, S3, Route53, IAM, ASG, CloudWatch, CloudFront, WAF, NACL etc.)
• Implemented Prometheus for Kubernets monitoring, wrote alert rules, Grafana, EFK
• Scripting with python and bash.

Mar 2017 – Jun 2017 · 3 mos · Bengaluru, Karnataka, India

• Working on private and hybrid cloud environments
• Automating complex tasks on client servers using Ansible tool.
• Monitoring and configuring Nagios & NPRE, troubleshooting NRPE connection issues.
• Working on Incident, problem and change management tasks.
• Managing VM’s on Microsoft Azure and AWS.
• Working in Cisco unified computing environment (Cisco flexpod)
• Planning new build as per the Customer requirement.
• Associate and disassociate service profiles.
• Basic level of storage provisioning – Creating boot lun, and assigning with WWPN, Creating NFS shares, set export policy and mounting on Linux servers as per SAP HANA standard.
• Building SUSE & REDHAT OS on cisco UCS blade using golden image, creating golden image periodically.
• Planning and patching Linux servers periodically.
• Integrating Linux servers to AD domain and assigning sudo roles
• Bash scripting – Wrote script for OS build validation include multiple checks, wrote script for configuring IP address includes vlan interfaces, wrote script to install third party packages.
• Basic level python scripting on Linux.
• Creating and managing repository in GIT and SVN servers.
• Configuring and managing SUSE SMT server repository.

Apr 2016 – Feb 2017 · 10 mos · Bengaluru, Karnataka, India

•  Application servers patching (JBoss, Apache, LAMP, Ruby on Rails) and xml file configuration.
•  Database Administration: Oracle DB (11/12g), MySQL, Mongo DB Installation, ALL DB
• backup, oracle RMAN backup, DB server migration. Listener file, control file, P/SP File
• managing and configuring, Logs management etc.
•  Yum/ RPM Installation: LAMP, Ruby on Rails, JBoss, Tomcat, VNC, SAMBA, Nagios, LDAP,
•  Mail server (Zimbra), Fax Server (HylaFAX). IPtables services, Firewall.
•  Configuring and monitoring Disk mirroring, striping using LVM.
•  Managing and configuring DAS, NAS, SAN
•  Job Scheduling and Automating process using CRON
•  RAID configuration
•  Creation and troubleshooting on scripting like Shell/Python.
•  Configuring and managing Redhat cluster with conga, pacemaker. Which Includes Fencing
• Lock
•  management (CMAN) Cluster services and resources.
•  Linux networking: IP tables for packet filtering, NATing and traffic shaping, Linux Bridging.

Oct 2014 – Apr 2016 · 1 yr 6 mos · Bengaluru Area, India

• Responsibilities: (OSS/BSS Support for Wi-Fi)
• Linux: Red Hat, CentOS, Ubuntu.
• Database: Oracle 10g / 11g, MySQL, Oracle AS, LAMP, JBoss
• Wi-Fi Networking and Security: Pronto Wi-Fi device, Edimax, Pep Link, PFSense, IPCop Firewall,
• Ubuntu and other in Linux.
• Job Roll: Installation of Linux, Oracle DB and Oracle AS and configure OSS /BSS java base application
• on Server.
•  Basically doing jsp base Web page implementation with html code for customer portal,
• monitor and troubleshoot.
•  Oracle DB issue like table size increment, backup of db using export/import, migration of DB
• and page.
•  Migration, apply DB
•  DB back up, user logs backup.
•  Load balancer to control user connection over Oracle AS.
•  Knowledge on: tcpdump use by wire shark to analyze packets.
•  Server Monitoring through Nagios and network traffic and ensuring that server is running
• smoothly.

Jul 2013 – Oct 2014 · 1 yr 3 mos · Bengaluru Area, India

•  Monitoring system logs and root's email for important messages such as errors and warnings
• or hardware failure errors.
•  Configuring AD CS Day-to-Day Administration
•  Managing Disk File Systems, Server Performance, Users Creation and Granting file access
• Permissions.
•  FTP Creation
•  Creation of groups, adding User ID to a group as a primary or secondary group, removing
• User ID from a group.
•  Active Directory Forests and Domains.
•  Samba Server configuration with Samba Clients.
•  Configuring and managing of SAN Server implemented with FC or iSCSI
•  Monitoring the System Performance and tuning the kernel to enhance system performance.
•  Adding Disks and creating Slices and File system Administration.
•  Disk replacement (Root disk / Data disk).
•  Swap space management.
•  Configuring and managing network interfaces.
•  Patch implementation & maintenance, Licensing, Boot Prom Management and Performance
• Management.