Senior System Administrator

Delivered twenty-four hour support for all technology infrastructure needs and issues, for environment including 5 Windows and 8 Linux based servers and 200 desktops and laptops (Windows, MAC and Linux) across three regional offices Efficiently implemented network file sharing by configuring NFS to share files and resources across the network Managing corn jobs, at Jobs, batch processing and job scheduling Hands on experience in protocols such as TCP/IP, DHCP, HTTP, SMTP, SSH, FTP Installed and configured SSH, SFTP, Managed email (Postfix and Sendmail), LDAP Installed Apache, IIS and configured Virtual hosts and also experience applying SSL certs for websites, CSR generation Installation of SAMBA utility software Create File systems using Logical Volume Management (LVM), LV Extend and Reduce Linux kernel, memory upgrades and swaps area and performed Red hat Linux Kickstart installations Provided systems and server management and oversight and resolution of network/connectivity and software issues for local and remote users Worked with Server OS performing setup, maintenance and troubleshooting for 2000, 2003, 2008, Responsible for building, configuring, and supporting workstations and servers. Performed hardware builds (upgrades and new machines), set up offsite backup systems, and contributed to system migrations Good hands on experience in building/managing Virtual Machines in Oracle and VMware virtual environments Experience in Windows Domain Controller, Active Directory configuration, users and group creation and management, folder permissions, network sharing, backup and maintenance Responsible for implementing and supporting Microsoft Office (2000, 2007, 2010) technologies Responsible for LAN/WAN administration and support Responsible upgraded and maintenance of server hardware components as per requirement. Worked with different hardware and software vendors to troubleshoot the hardware and software problems. Strong technical knowledge on Domain(Maintain a…