• Installed, configured and maintained DNS server, Mail server, FTP, NFS, RPM and Samba servers on Redhat Linux OS, with Ansible.• Patched, performance tuning, troubleshooting, bug fix updates, and core builds on RHEL 6&7.• Integrated Gitlab, Jenkins and Tomcat using standard DevOps procedures.• Troubleshoot networks, verified open and closed ports and enabled or disabled firewalls rules using iptables and firewalld.• Performed data backups by using cronjob in scheduling… Show more • Installed, configured and maintained DNS server, Mail server, FTP, NFS, RPM and Samba servers on Redhat Linux OS, with Ansible.• Patched, performance tuning, troubleshooting, bug fix updates, and core builds on RHEL 6&7.• Integrated Gitlab, Jenkins and Tomcat using standard DevOps procedures.• Troubleshoot networks, verified open and closed ports and enabled or disabled firewalls rules using iptables and firewalld.• Performed data backups by using cronjob in scheduling periodic backups.• Created PVs, VGs and LVs (LVM) in various Servers in the environment.• Automated jobs and server management using bash shell scripting• Performed user and group management using LDAP• Deploy Static web pages or object leveraging AWS S3 bucket and Pubic DNS• Transferred file across the system on the network using FTP, SCP, WinSCP and Rsync commands.• Implemented company policies, technical procedures and standards for preserving the integrity and security of data, reports and access• Built application platform foundation to support migration from client-server product lines to enterprise architectures and services• Troubleshooting and maintaining of TCP/IP, Apache, SMTP and DNS applications.• Upgrading and configuring system software that supports infrastructure applications• Creating/modifying host-based firewall rules using IPTABLES• Researched new tools and technologies that could be used by the quality assurance team. Show less

• Performed Linux backups’ and restore, LVM configurations and management, disk partitioning and formatting. • Installed, configured, and maintained, and monitored application servers such as Apache, Samba, and Tomcat while also maintaining DNS and setting up a directory share link between NFS servers and client servers.• Used monitoring tools and applications (Nagios, Check MK, OMD etc.) to check for performance and stability within the company infrastructure.• Installed… Show more • Performed Linux backups’ and restore, LVM configurations and management, disk partitioning and formatting. • Installed, configured, and maintained, and monitored application servers such as Apache, Samba, and Tomcat while also maintaining DNS and setting up a directory share link between NFS servers and client servers.• Used monitoring tools and applications (Nagios, Check MK, OMD etc.) to check for performance and stability within the company infrastructure.• Installed, configured, and administered JIRA application and ticketing system, and implemented issue-tracking end to end.• Reviewed procedures and contacts for handling service requests, incident resolution for both hardware and software issues.• Participated in performance monitoring and capacity planning implementation.• Created, administered, and maintained User Accounts with stipulated permissions, group login IDs, security passwords etc. on Linux server platforms.• Installed software, modified and repaired hardware and resolved technical issues.• Provided base level IT support to non-technical personnel within the business• Managed call flow and responded to technical support needs of customers• Resolved customer issues in a clear, courteous and straightforward manner• Identified and solved technical issues with a variety of diagnostic tools.• Remained up-to-date on the latest technologies and solutions applicable to company products Show less