Linux L3 Engineer

Linux - L3 Engineer BE/ B.Tech, MCA or Any Graduate with 4 to 6 Yrs of Experience in Linux Job Responsibilities Attend gold customer escalated calls Documentation audits Implementation departmental technical process Automate the backup and monitoring process Project architecting Training to L2 Backup for L2 Engg for projects and support Final respoNsibilty for presales projects (POC)and its execution Project completion 24 hr Fte support Documentation and reports New customer Granular audit and documentation Technical Proposal writing Job role/Key Skills Mandatory requirement for L3 Engineer: 1. Linux Linux Process and performance management like PS , Top , Vmstat , Sysstat , etc Importing to CSV ,SQLs (link removed) Mysql Management tools understanding Syslogs servers ,Backups ,Account managements , Skilled to handle Hardware devices like servers etc Linux Operational Knowledge and Mysql Exp on Linux. OS log management and analysis like syslog , messages , logrotate etc. Standard Linux Daemons Implementation and management like Httpd , postfix , sendmail , bind , dhcpd , NFS , FTP , squid , Samba etc. Linux HA cluster knowledge. NDB Cluster Management , Mysql Cluster backups , Cluster logs and Error Understanding Tables, databases , Views , redo , undo logs , Tablespace Understanding of MyIASM , INNODB and NDB Engines , Cluster Replication management on Mysql Implementation and diagnosis 2. Nagios architecture). Candidate should have experience on Multi server architecture (Split services Knowledge of Mysql Cluster and Network device (ciso) will be Preferred. Nagios Complex implementation & Enable monitoring for Nagios infrastructure and integrating alerts with ticketing system to maintain minimal service outages. Clear understanding on mail Clients configuration. Hand-on experience in Zimbra Email System. Administration of Zimbra Email Server ,Zimbra CLI Knowledge , Internal Achitecture and working, Multi server Architecture understanding. Manage and configure Zimbra Email server. Create / Update email account, email quota, email queue maintenance. Maintain Antispam filtering service. Postfix knowledge Installing zimbra mail server and management cos, zextras. 3. Zimbra Other Skills: Installation and configuration of RHEL and OEL by CD , FTP , HTTP , NFS and PXE boot Configuration RAID , LVM , Partitions , Mounting Familiarity with Linux Usage commands RHCE certification ( RHCE/ RHCSA) Implementation Network and OS level security like Selinux , ssh Security , IPTABLEs , Users Right management , Password Policy , Sudo management Cron Jobs management and implementation Linux Backup management tools and management. Candidate should have knowledge on Linux (Both admin and server part). Clear understanding on Linux internal and external repositories. Clear understanding on DNS, DHCP, pop3, imap, smtp. Clear understanding on Storage concepts (ISSCI, Paravirtualized, LUN). Candidates clear understanding on ESXi HA (Vmotion). Clear understanding on External MTA (Spam Engine). Mapping public NS and MX records. Running security audits on mail servers Clear understanding on mail archiving concepts. Hand-on experience on mail migration process (Exchange to Linux, Linux to Linux, Unix to Linux). Basic Knowledge on shell scripting. Clear understanding on Openldap. Clear understanding on SSL Certificate deployment, patching OS, and mail Perform installation, implementation, customization, operation, recovery and server upgradation. performance tuning. Review Backup reports and Initiate actions on backup failure against specific documentation. Implement changes, perform security related tasks, identify and recommend improvements to existing processes and procedures. Installation n configuration of Linux Packages/services/softwares.