Ravi Kumar Tanwar

• Client :- Discovery South Africa.
• Implement DevOps practice to increase the speed of development and release process and as below .
• Make the build more reliable .
• Reduce the total turnaround time for new features and bug fixes.
• Greater Scalability of applications and infrastructure
• Increased security by automating compliance practices
• Improved collaboration throughout the development lifecycle
• Identified issues, analyzed information and provided solutions to problems.
• Managed team of employees, overseeing hiring, training and professional growth of employees.
• Collaborated with team members to achieve target results.
• Learned new skills and applied to daily tasks to improve efficiency and productivity.
• Participated in continuous improvement by generating suggestions, engaging in problem-solving activities to support teamwork.
• Hands on experience with multiple jenkins version its upgrade and plugins .
• Hands on experience on Integration jenkins with multiple tools like bitbucket , Harbor, Nexus and sonarQube .
• Experience in SCM practices such as branching ,code merging , PR and repo forking.
• Experience working with CI/CD implementation microservice architecture .
• Solid experience with Linux (Ubuntu,Redhat,Centos etc.)
• Experience working with automation tools like Ansible.
• Experience working with container technologies like docker and kubernetes
• Leading DevOps processes in side the team
• Experience working with monitor ,analyze , report monitor with Nagios , zabbix tools
• Experience working with ticketing tool like jira
• Consult and contribute to system architecture

Project data2cloud Cloud (Oman) - I was responsible for day to task as:

Cloud Data center support – Coordinate with multiple hardware vendor to commission, decommission new hardware like servers, storage network device.

· Lead and handle end to end hardware implementation & faulty hardware replacement.

· Handle offline data storage from customer premises to cloud servers& vice versa.

· Manage end-to-end cloud compute service delivery right from planning until delivery.

· Create and manage infrastructure as per order form for customer like Virtual private cloud (VPC)and VMs, storage, networking.

· Creating templates out of snapshots for Linux, Windows and other flavors of OS.

· Creating networking tiers as per customer application requirements.

· Creating ACL rules, port-forwarding rules, load balancing rules, with multiple algorithms like (Round Robin, least connection, Source define) and applying stickiness with develop team.

· Provisioning, Adding storage, volume snapshots etc.

· Project planning and monitoring including forecasting and schedule control.

· Control and managing resources on Apache cloud stack.

· Migrating resources from On-premises to Ooredoo cloud using different migration tools and using Apache cloud stack.

· Managing the cloud data center, installing, upgradations of hardware etc.

· 24/7 support to customers in terms of services on IaaS, PaaS, SaaS.

· Handled the migration of complete on-premises Linux Infra to Ooredoo cloud of one of prestigious insurance company in Oman (Insurance Company SAOG).

· Implemented DR infrastructure.

· Single point of contact for multiple government customer’s w.r.t cloud Operations.

· Upgrade software and hardware systems for optimal performance

· Fix system issues

· Interacting with clients, providing cloud support, and making recommendations based on client needs.

· Help customers to Investigate, create, and recommend innovative and enhanced security measures

· Perform vulnerable testing to find out loopholes in network and servers with Nexus and kali linux.

· Help customer to secure their infrastructure and guide them to achieve full proof security.

· Proffer security recommendations

· Control and managing resources on Apache cloud stack.

· Modifying and improving existing systems.

· To ensure the availability, performance, scalability and security of production systems in azure private cloud infrastructure.

· Responsible for systems performance monitoring in azure cloud.

· Build of new environments for development /Production and test in Azure

· Azure network experience, VPN and Express route, Azure DNS, Traffic Manager, and Load Balancers.

· Responsible for Incident Management i.e. troubleshooting and leading critical or urgent issues on email and mobility infrastructure and driving

· them to resolution as per the agreed SLAs with customer.

· Deploying and configuring virtual network, VPN Gateway, DDos Protection, Load Balancing, Network Watcher In azure cloud.

· Orchestrating routing paths, especially in a hybrid environment.

· Managing public and private IP addresses for your VMs and selected other Azure resources.

· Responsibilities:

· Manage Logical Volume

· Extending (a) LV (b) Reducing LV (c) Extending VG (d) Reducing VG (e) Adding PV (f) Removing PV

· Execute Manual Security Health Check

· Support Monitoring settings & automation

· Backout Security Patches Bundle

· Install, Configure, Upgrade Security Health-Checking Client

· Modify File Ownership and Permissions

· Create Filesystem

· Extend Filesystem

· Remove Filesystem

· Maintain Operating System Patches.

· Manage VM instance

· Install Patches by manual process

· Manage Platform support Toolkits / Scripts

· Server on boarding

· Server Decommissioning

· Remove Virtual Server

· Provide Technical Guidance / Information

· Remediate Security Health Checking Violations

· Remediate findings

· Configure NIC interface

· Assist TCP/IP Networking configuration

· Manage Remote access mechanism

· Review / Analyze OS platform alerts

· Check the version of a particular package version in all the servers

· working with backup team for failed backup

· Working on EMC power path.

· Provide RCA for Sev1

· Do not perform this activity without an approved change ticket.

· If there is no RISK acceptance letter for EOL OSes then SA must open change tickets & have the customer reject them for audit purposes.

· Leverage OS best practices to do the upgrade.

· Ensure there is a back-up taken before the upgrade. Open a change ticket against the backup team to take a backup & ensure they have backed up everything before the upgrade is done.

· Test the upgrade on a test server before moving it to production.

· Ensure all the change tickets are approved before the upgrade is performed.

· Keep handy of all Vendor support contacts and contracts details

· Check for all latest patch info or pre requisites or known issue with OS changes

· Check for systems, Adapters and devices firmware’s support the new OS Releases

· Check all the device drivers supports the new OS Releases

· Check for all applications and databases support the New OS Releases

· For all OS Release installations prepare Installation/TEST/Backout plan

Responsibilities:

· Deployment and maintenance of Linux systems and app software in multiple platforms Improve system performance by working with the development team to analyze, identify and resolve issues quickly.

· All Linux administration and configuration FTP, NFS, samba, Tcp wrappers, iptables, selinux context , Apache Tomcat.

· Custom udev rules written and management of /sys and /proc files

· Design and configure the build environment for build developers and testers.

· Troubleshooting performance issue. IO latencies, CPU core Multi-Threading uses ,file system inode corrupt, Multipath issues

· Provide storage provision through HP Management console.

· Analyzing the perflog and do corrective actions as per required.

· Create, expand any existing LUNS

· Vdisk, Creating Volumes, assigning LUNS to Host.

· Create, expand of new and any existing LUNS, volumes on HP Storage.

· Mirror clone,snapshot creation ,

· Trouble Shooting of OS issues.

· Handling Multiple OS Platform on L2 Capacity for Redhat ,Centos ,Ubuntu .

· Linux server’s installation over PXE, configuration and maintaining.

· Installation and Maintenance of Software Packages & Patch’s.

· Maintaining SOPs, policies and other day-to-day processes.

· Hardware CI faulty calls logging with OEM and provide support during FRU replacement.

· Monitoring and validating Server Events and take needful action

· Managing User and Group Account, setting up and configuring the Quota.

Configuration of Apache, FTP, NFS, NIS, DHCP, SAMBA, DNS and squid servers

· Administration and configuration asterisk server.

· To handle the EUC Network issues and to provide support in Application software installation and troubleshooting.

· To configure Routers and switches from various series.

· To Physical Asset verification and audit the new customers Tangible Assets.

· Been Deployed in customer premises for multiple projects

· Installing, configure, manage and troubleshoot Linux servers.

· To configure Routers and switches from various series.

· To Physical Asset verification and audit the new customers Tangible Assets.

· Install and configure server for deploy Drupal, Wordpress , java and php sites.

· Create new domain accounts with WHM and Cpanel for hosting new sites

· Create new security policy in firewall & keep all network device secure from out and inside threats with Watchgurd UTM and router ACL ,PFSense, Iptables,symentec,

· Create and manage customer email accounts and provide technical help