Linux Administrator

16 hours ago

bangalore, India Tata Consultancy Services Full time

Experience :6 TO 10 YearsLocation :BangaloreIn-depth knowledge of Linux: SUSE, RedHat,Install and maintain all server hardware and software systems, as well as manage server performance and availability.Linux Boot process, Performance issue troubleshooting.Solid knowledge of protocols such as DNS, HTTP, LDAP, SMTP and SNMP.Experience with Linux-based VPN clients, firewalls, intrusion detection systems, filesystems, and authentication.In depth knowledge in traceroute, tcpdump, tracepath, nc, ifconfig, nmap, netstat, ethool, RAID & different types/classHands on experience in DNS, ftp, samba, ldap, e-mail, ntp, nfs, dhcp services ,config , vmstat, iostat, nfstatePrevious working experience as a Linux/cloud Administrator for 8 years.Knowledge on any one cloud (Azure/AWS/GCP).Extensive knowledge in Storage and Filesystem management.Work with users to resolve account/system issues.Monitor performance and ensure system availability and reliability.Troubleshoot problems with Linux servers, running various versions of Linux Systems.Engage in continuous testing of new Linux versions and applications on an on-demand basis.Install, upgrade, and maintain Linux based systems (SUSE).Experience on backup and recovery.Managing & maintaining SUSE ServersManaging IBM, DELL, Lenovo Fujitsu and HP HANA appliance servers.Building/reimages SUSE Linux servers in both physical and virtual environment.Managing Linux virtual machines that are configured in ESX environments.Providing Level 3 supports to the customers and Managing the Antivirus environment.Patching and OS upgrades on SUSE serversExposure on DNS, NFS, Samba, FTP, LDAP, NTP, Email services.Knowledge on SAN or NAS environment.Knowledge on RAID, LVM.Exposure on any clusters and package managementGood understanding of Networking concepts like TCP/IP, DHCP, IP Routing and Name Resolution.Experience analyzing, troubleshooting, and providing solutions for technical issues.OS Concepts on Security, Backup and recovery strategies, performance tuning, LDAP, high availability and disaster recovery concepts, Monitoring etc.Knowledge in configuration management systems such as Chef, Puppet, Ansible Must Have: Skills in Cloud (AWS Or Azure Or Both is advantage) AWS Skills: Experience with EBS,EFS, VPC, Elastic Beanstalk, SNS, Cloud watch, S3, EC2, Auto scaling, CloudFront, ELB etc. Hands on NSG & NACL, Firewall management. Responsible for creating and managing EC2 instances using VPCs. AWS EC2 CLI Tools for auto-scaling of instances, backup management, s3 management Azure Skills:Thorough knowledge on Azure platforms IAAS, PaaS. · Deep understanding of Cloud Computing and various deployment methodologies ·Ability to design application and deployment architecture from On-premise to CloudProvided architectural guidance for Azure solutionsStrong knowledge of Azure App services, Azure Resource Manager (ARM Templates)Good understanding of Azure storage optionsGood Understanding of Azure networking like VNETS, NSGs , ExpressRoute, site-to-site and point-to-site connectionsStrong Knowledge on Security options in AzureHand on experience on Windows PowerShellAWS Certified Solutions Architect – Associate / AZ-300 Microsoft Azure Architect Technologies

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