DevOps Engineer

• Jul 2022 - Present

Closely work with developers to perform R&D, testing, building, deployment, QA, and automation of different services. planning and implementation of additional resources to extend existing infrastructure Integrate new services as per business requirements. Issue tracking by Jira ticketing, maintain confluence for documentation. Technologies Managing and deploying CICD pipeline using tools like Jenkins, Ansible on VM, Docker and Kubernetes platform for automating the building, testing, and deployment of applications with SonarQube code testing Micro-service infrastructure design and deployment with Docker and Kubernetes Configuring and managing a high-availability, failover load balancer with Nginx Configuring and managing a redundant caching system with a Redis/Redis Sentinel cluster Configuring and managing the logging stack with Elasticsearch, Fluentd, and Kibana (EFK) Creating and optimizing highly available and redundant master-master and master-slave replication for MySql DB. Designing and tuning redundant master-slave and logical replication for PostgreSQL Configuring high availability and session control with PgPool-II/PgBouncer-like tools Database partitioning/indexing of MySQL and PostgreSQL, and automation of purging and archiving with dblinks and scripting. Performance monitoring and installation with EFK and APM tools like Dynatrace/Appdynamics/Newrelic Doing RND/POC on applications and platforms to improve performance and use new technology Show less

Senior System Administrator

• Oct 2019 - Jul 2022

Responsibilities: |-- Automate OS and Hypervisor(ESXi and OVS) installation through PXE kickstart on VM and Bare Metal |-- Linux user management, permission management, partition management(LVM), packagement management |-- Use Spacewalk for system provisioning, patching and configuration |-- Tune system kernel parameter as per software vendor (Oracle, Netapp) best practice and debug system issues. |-- Deploying monitoring tools (e.g. Cacti, Nagios) and adding different types of hosts (e.g. Linux/Windows machine, Network device, UPS etc) and services with custom plugins. |-- Worked with the team to create cloud environment in OCI |-- Administration, Patching and manage VMs in VMware vSphere ESX 6.7 |-- Different OS parameter changes of Oracle RAC server (tpmfs, Jumbo frame, configure multipath, file descriptor, core file size etc.)Skill: |-- Deploy BIG IP appliance (LTM module) in a vsphere environment. |-- Work with MySQL database backup, migration and version upgrade. |-- Familiarity with Docker / docker-compose, Swarm, Nginx, Atlassian JIRA, ; |-- Bash scripting skills |-- HA Web Servers with Keepalived and Floating IPs Show less

System Administrator II

• 2017 - Jul 2022

Associate Unix Administrator

• Aug 2015 - Oct 2017

Junior Unix Administrator

• Jul 2014 - Jul 2015

* Monitoring performance and troubleshooting alerts from commercial, open source and locally modified monitoring tools such as: cacti, nagios, oem etc.* Applying upgrades, patches, installing various required software at both the local & production servers.* System failure analysis and recovery, insuring the consistency and integrity of the system.* Maintaining and monitoring the local virtual machines (run on VMware ESXi).* Supporting the infrastructure, located overseas in three different data centers.* Shell scripting for various log pursing activities from different application servers according to developer’s custom request. Show less

Jr. Network Engineer

• Nov 2012 - May 2014

Network monitoring: Client & IP backbone monitoring using Centreon ,Cacti, IPswitch WhatsUp Gold [MPLS] and looking glass, Netflow, Nagios. TDM Network monitoring using Loopview(SNMPc). -Troubleshooting and technical support with infrastructure network connectivity and client network. -Troubleshooting with client and other vendor concern about any technical issue and analysis of different system logs to find out issues. Hardware: Configuring Cisco routers & switch, Netgear FVS314/114, Microtik RB750, Cisco Wireless router. Show less