More than 10 years experience supporting a real-time 24x7 production internet-based Linux and mail servers environment. Monitor, Provision, configure and troubleshoot our production servers and services. Maintain 100% uptime of the production services. Assist SRE team to Optimize / tune our servers and services for performance, scalability, and maintainability. Resolve issues reported by our monitoring tools, including following through on long-term issues.… Show more More than 10 years experience supporting a real-time 24x7 production internet-based Linux and mail servers environment. Monitor, Provision, configure and troubleshoot our production servers and services. Maintain 100% uptime of the production services. Assist SRE team to Optimize / tune our servers and services for performance, scalability, and maintainability. Resolve issues reported by our monitoring tools, including following through on long-term issues. Supervise the junior system administrators to ensure that they are following procedures and completing tasks successfully on time. Manage backups and disaster recovery, including backup monitoring and verification, and leading restoration tests and disaster recovery drills. Experience training and mentoring more junior members of the team, and working with other departments to solve cross-departmental problems. Knowledge of unix scripting: shell, perl, python, ruby or equivalent languages (from an automation and monitoring standpoint). Ability to identify and configure add-on modules or plugins of open-source tools to effectively automate tasks and monitor production services. Strong knowledge of DNS, system build automation, and system configuration management tools. Familiarity with server virtualization technologies (Xen or equivalents). Experience with configuring and tuning monitoring systems (Nagios, Graphite or equivalents). Good knowledge of relational databases - MySQL Server and LDAP Server. Ability to effectively communicate technical issues and solutions to peers and external vendors. Strong active listening, conflict resolution, negotiation, and consensus-building skills. Configure server’s via command line, install/upgrade/remove packages and start/stop/add/remove services. Show less

Handling customer issues through emails or ticketing system Providing technical assistance through live chat Monitoring servers and dealing with service failures and resource shortage issues using monitoring tools Monitoring servers in case of abuse, investigation of abuse issues which includes identifying and taking actions against the abusive accounts/users or protecting the server against outside factors responsible for it. Auditing servers, checking for… Show more Handling customer issues through emails or ticketing system Providing technical assistance through live chat Monitoring servers and dealing with service failures and resource shortage issues using monitoring tools Monitoring servers in case of abuse, investigation of abuse issues which includes identifying and taking actions against the abusive accounts/users or protecting the server against outside factors responsible for it. Auditing servers, checking for server health security. This includes common system checks, service checks, log analysis, resource usage analysis, security checks using various tools and rootkits. Contact Data-center in case of physical hardware failure and acting accordingly.Performed OS installs and administered Linux and Solaris servers, Deployed Virtual Machines, maintained, troubleshot and configured applications. Automated many tasks using power shell scripts. Show less

Installation, configuration, managing & monitoring of oracle email servers.Mail server installation, configure & fine tuning with DNS & Mail filters (DKIM/Milter).DNS server installation, configure & documentation for Operation team.Prepare documentation of installation, configuration & troubleshooting for particular solution.Documentation of systems/software/facilities.Receive and respond to incoming calls, tickets, and/or e-mails regarding users issues.Where required… Show more Installation, configuration, managing & monitoring of oracle email servers.Mail server installation, configure & fine tuning with DNS & Mail filters (DKIM/Milter).DNS server installation, configure & documentation for Operation team.Prepare documentation of installation, configuration & troubleshooting for particular solution.Documentation of systems/software/facilities.Receive and respond to incoming calls, tickets, and/or e-mails regarding users issues.Where required, administer and resolve issues with associated end-user workstation networking software products.Familiar with modern cloud management – e.g. AWS Cloud or Open Stack tools.Implementing and managing a configuration management system for Cloud Infra.Message tracking and troubleshooting to resolve mail delivery issues.Troubleshooting of Mail box Database problems & performing restoration on users request.Monitoring and managing database growth and white space in Database.Modify & Manage mail users in LDAP.Implementing System Policies & Profile’s according to client requirement.Mail support on phone for VIP Users.Mail quota, delegation, rights management and individual mail restore. Available 24/7 to perform on call/stand-by duty and to perform scheduled changes.Follow ITIL process and work with data center support to client.Resolve and reply on ticket which has created by Service desk tool.Install, manage and configure web base mail client.Log calls on Red Hat & Oracle support for critical issue. Show less

nstallation, configuration, managing & monitoring of oracle email servers.Patch Management.Message tracking and troubleshooting to resolve mail delivery issues.Troubleshooting Mail box Database problems & performing restoration on users request.Monitoring and managing database growth and white space in Database.Modify& Manage mail users details in LDAP.Implementing System Policies & Profile’s according to client requirement.Mail support on phone for VIP… Show more nstallation, configuration, managing & monitoring of oracle email servers.Patch Management.Message tracking and troubleshooting to resolve mail delivery issues.Troubleshooting Mail box Database problems & performing restoration on users request.Monitoring and managing database growth and white space in Database.Modify& Manage mail users details in LDAP.Implementing System Policies & Profile’s according to client requirement.Mail support on phone for VIP Users.Mail quota, delegation, rights management and individual mail restore.Available 24/7 to perform on call/stand-by duty and to perform scheduled changes.Follow ITIL process and work with data center support to client.Resolve and reply on ticket which has created by Service desk tool.Install, manage and configure web base mail client.Log calls on Red Hat & Oracle support for critical issue.Resolve critical issue which create by One Click alert tool, EMS monitoring tool.Configure enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.Remote Support and Network Monitoring and Alerting, Traffic Analysis, proxy and firewall analysis.Mail backup with selective options & restore old mail box data.Provide remote support & resolved mail issue for Windows, Linux, & Mac OS mail users.Deliver the best as per the SLA (Service level Agreement) considering the ITIL.Working on Remote Software like Cisco AnyConnect VPN client, TeamViewer, LogMeIn, Ammyy Admin, WebEx & JoinMe.Manual Testing of applications before being deployed on client site.Work towards the goals and responsibilities assigned by the Shift Manager/Admin. Show less

Monitored Linux server for CPU Utilization, Memory Utilization, and Disk Utilization for performance monitoring.Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.Network Monitoring and Alerting, Traffic Analysis, proxy and firewall analysis.Mysql backup selective options.Paging Servers, WAN/LAN Networks, Remote Access Administration.Managed Centos, RedHat, Ubuntu and windows servers.… Show more Monitored Linux server for CPU Utilization, Memory Utilization, and Disk Utilization for performance monitoring.Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.Network Monitoring and Alerting, Traffic Analysis, proxy and firewall analysis.Mysql backup selective options.Paging Servers, WAN/LAN Networks, Remote Access Administration.Managed Centos, RedHat, Ubuntu and windows servers.  Configure, compile and install patches and upgrades to servers.Network Monitoring and Alerting, Traffic Analysis, proxy and firewall analysis.Install/configure Linux, apply upgrades/patches, install application software, and implement security, set up users and printers, set up TCP/IP networking.Work with firewall administrators in setting up firewall access rules and troubleshooting.Provide technical support for System Integration, Installation and Maintenance of Operating System and HardwareMonitoring CPU utilization and disk usage on Linux server & Server Backup on weekly basis.Installation, Configuration, Maintenance and Administration of Red Hat Enterprise using Kickstart.Installing/ updating packages in Linux through YUM.Firewall configuration using IPTABLES.Configuring and implementing DHCP, DNS, SAMBA installation and configuration on different. Platforms in heterogeneous Network environments.Managing File system, creating file systems, checking for error report on servers. Show less