SUMMARY

• IT professional having vast experience in financial and IT industry who excels at managing and executing mainly Linux System administration, working as a LINUX/UNIX System Administrator with experties in RED Hat Enterprise Linux 5.x,6.x, Cent OS & HP - UX systems.
• Posses Strong organizational, communication skills, team player and a clear vision to accomplish company goals.

TECHNICAL SKILLS

Operating System: Linux (Red Hat, 5.x, 6.x/CentOS), Unix (Solaris/HP-UX), Windows 2003/2008/, XP & 8, VMWare (Esxi)

Computer Languages: Unix Scripting in csh, ksh, bash

Applications: Active Directory, MS Office suite, DNS, NFS, Samba, Send Mail, Apache, RHN Satellite 5.6, Veritas Backup, MS Cluster, Citrix Client, FTP, NTP, Kickstart, Compellent SAN, MS Visio

LAN/WAN: TCP/IP, DHCP, Ethernet Config, SSH, RIPv2, EIGRP, ACL’s, HSRP,CDP, NAT, IP Routing, ML Switching, Wire Shark, T1/DS3

Databases: Exposure to MS Access, SQL, MYSQL

Monitoring Tools: Nagios, SiteScope, BSM

Ticketing System: Remedy, Service Now, HP Service Manager

Hardware: Dell (R Series) R620, R610, R710, R720, HP (DL Series) DL380, DL360, DL390, IBM Blade HS22, Cisco Routers (3600, 2600, 2500 & 1600 series), Cisco switches (6509, 4507, 3550 & 2950 series), Cisco ASA 5510

PROFESSIONAL EXPERIENCE

Confidential

Linux Administrator

Responsibilities:

• Performed Daily Administration and Management of Multiple Red hat Enterprise Linux servers & worked on projects to adhere audit & compliance on all Linux server environments
• Created & extended Logical volumes to accommodate storage requests & provided disk space management using LVM
• Installed & configured physical & virtual servers comprising Red Hat enterprise linux ver 6.6 and resolved Linux related issues & manage tickets using Hp service manager ticketing system
• Performed physical to Virtual server conversion of Red Hat Linux servers using vcenter converter
• Installed & configured Samba on red hat enterprise server ver 6.x
• Performed package installations, maintenance, periodic updates and patch management using Red Hat Satellite ver 5.6

Confidential, Hauppauge, NY

Systems Analyst/ Linux Administrator

Responsibilities:

• Provided support regarding System Administration on Redhat platform
• Responsibilities include the day-to-day maintenance and availability to over 500+ servers ( Red Hat and Solaris)
• Evaluated, installed, configured, monitored and troubleshoot existing & new Microsoft windows server 2008 & Redhat linux system v 6.6
• Provided technical and end users related support for any issues relating to the systems supported by UNIX/LINUX systems
• Installation and configuration of RedHat Linux servers v 6.6
• Supported VMWare environment clusters based on 120 hosts
• Installed, monitored & maintained linux servers using VMWare vCenter server & performed physical to virtual convertions of Servers using vcenter converter
• Build, configured and migrate Linux servers (V2V, P2P and Lift and Shift on RHEL 5, 6)
• Provided 24/7 support through on-call rotation
• Worked with system hardware vendors for ongoing support issues, release schedule, fix packs & general system administration issues
• Utilized monitoring tools to troubleshoot issues related to linux servers for CPU, memory and disk utilization
• Managed DNS, NFS, NTP, Sendmail & Apache servers
• Performed software installations & upgrades to UNIX/LINUX operating systems
• Updating YUM Repository and Redhat package manger (RPM)
• Supported Confidential in-house developed applications running on Redhat Linux environment
• Automate system administration tasks using bash shell scripting language
• Configured & troubleshoot issues related to network interfaces, routes, LAN, Network traffic etc

Confidential, Richmond, VA

Linux Administrator

Responsibilities:

• Installed, configured & administrator of Redhat Linux Servers and Solaris Servers
• Worked on Server migration/move projects in various stages for all Linux Servers
• Installed Redhat operation systems on stand alone HP servers and VMWare ESX servers
• Installed and configured VMWare ESXi 5.1, VMWare clustering, vCenter appliance setup
• Conversion of physical servers to virtual using vCenter converter
• Monitored Remedy ticketing system and complete user requests in a timely manner
• Provided support on Linux Redhat 4,5 & 6 enterprise edition
• Managed user accounts on linux
• Provided 24x7 on-call support on weekly basis
• Coordinated with Project Managers & Developers regarding application migration
• Utilized Remedy ticketing tool for Data center service requests (Network request for IP’s, ILO’s, and DNS changes)
• Setup and configure failover load balancing using IP bonding for network cards

Confidential, Melville, NY

Network Administrator

Responsibilities:

• Lead a team of network consultant to redesign the LAN/WAN. Replaced Cisco 5500 core switch with 4507 Supervisor engine (4515), configured multi layer switching on Cisco 4507 Backbone, decommissioned Cisco 2600 routers. Up linked (4506) access switch to core over gigabit Ethernet (Fx). Migrated servers/users into new network infrastructure
• Configured multiple VLANs, VTP management domain, Spanning Tree (MST), Routing (static routes, Eigrp), ACL’s
• Replaced all access layer Catalyst 2948G switches with Catalyst 3550 & configured Trunks between switches using 802.1q. Installed patch/cable management system and re-organized cabling
• Worked with AT&T and rack mounted Cisco 7200vxr router, connect to the ids3 circuit & test the ds3 line
• Replaced software based Raptor Firewall with redundant Cisco pix 515E and migrated firewall rules to Cisco pix 515E
• Documented LAN/WAN network devices by using Vision 2000 Pro enterprise wide across all sites
• Migrated NT 4.0 domain environment to windows 2003 Active directory, Migrated NT domain users to AD 2003 Enterprise Server using ADMT tool. Responsible for day-to-day administration of AD servers
• Resolved telecom issues with Mitel SX 2000 light PBX switches using OPS manger, Assigned and configured new analog/digital lines, managed voice mails & move existing users by moving ports in the Telco cabinet as per request