SUMMARY

• 8 years of experience as a Linux Systems Administrator.
• 6 years of experience in Application software and hardware configuration.
• 6 years of experience in enterprise information technology operations.
• 5 years of experience in Data Center Virtualization Technologies
• 5 years in Application Security Management
• 6 years in User Administration and Role Based Access Control
• 5 years in Linux and Windows Networking and Patch management
• 4 years of experience in DNS.
• 8 years’ experience in teh implementation, support and management of WAN Connectivity, a part from dat Strong process.
• Knowledge of Incident and Problem management, Change & configuration management functions.
• Expertise in Network Optimization, Security, Restructuring and Support/troubleshooting Issues related to OSPF, BGP, MPBGP.
• 4 years of experience in bash scripting

TECHNICAL SKILLS

System Hardware: IBM Blade Center, xSeries server, HP x86, CISCO Hardware, Dell PowerEdge.

Operating Systems: RHEL 5/6/7, SUSE 9, 10, 11, NAS Storage, VMWARE, IOS.

Virtualizations: VMAWARE vSphere 4/5, KVM.

Middleware: Apache, JBOSS, Tomcat, Oracle application, POSTFIX.

System Management: DNS, SSL, SSH, FTP Server, Reverse proxy, SYSLOG.

Storage Management: SAN, NAS, Linux BMR, LVM, MPIO.

Data & Information Management: - MySQL

Networking: TCP/IP, UDP, DHCP, DNS, NFS, NIS, Samba, firewall, Load balancer, GSS Ntier network infrastructure, Switches, router, DMZ, SMPTP.

Switches: Cisco Catalyst 5500, Catalyst 5505, Catalyst 5509, 3750, 3560, 3550, 3500, 2950.

Routers: Cisco7300,7200,3900,3800,3600,2800,2600,1900,1800,1700,800,SRP521series.

Fortigate: 40/60/100 UTM (Policy creation, Web Filtering, Anti-Spam, standard on Analyzer management.

Identify management: LDAP, PAM.

UNIX Scripting: BASH, KSH, AWK, PERL

PROFESSIONAL EXPERIENCE: -

Linux Engineer

Confidential

Responsibilities:

• Installed, configured, upgraded, tested and supported Red Hat Linux operating systems.
• Maintains data files and Monitor system configuration to ensure data integrity on Red Hat Systems
• Installed, configured and managed software on RHEL servers.
• Managing system processes and installed services on RHEL servers.
• Configured, implemented and maintained hardware RAID storage technology on servers configure with RHEL.
• Utilized kick-Start and ignite for systems builds and recovery on RHEL servers.
• Designed and implemented multiple Virtualization Infrastructures on VMware Hypervisor
• Built and configured Virtual Linux Servers using ESXi and VSphere Client
• VMware P2V on physical servers to VMware HA environment.
• Update patches on VMware, and Red Hat platforms.
• Experience with ITSM ticketing system.
• Experience with Confluence Content Management Software for documents.
• Performed Custom installation of over 100 Red Hat Enterprise Linux Server Instances
• Configured, setup and provisioned Dell PowerEdge Servers enabling Virtualization.
• Escalation and Co-ordination with Data Center Operations and Vendors to resolve technical issues.
• Extensive experience with configuring and operating Dell Remote Access Controllers
• Used Remote Desktop and Virtual Private Network Appliances for Server Configuration
• Setting up Red Hat Enterprise Linux Servers hard disk with Logical Volume Management.
• Experience with SAN/NAS storage systems.
• Installing and Configuring LDAP servers
• Installed and configure Named and managed internal DNS server.
• Perform DNS administration Including checking zone files for syntax; restoring default zones; and checking legitimacy of hosts in zone.
• Performed Security Administration on UNIX and Linux systems
• Utilized PXE, kick-Start and ignite for systems builds and recovery.
• Setup and configured Kernel Based Virtual Machines on Red Hat Enterprise Linux Servers
• Experience in Virtualization and Cloud Computing using VMWare, Oracle Virtual Box
• Experience supporting VMware infrastructure in a large enterprise environment
• Installing and Configuring Samba server and clients.
• Monitoring system infrastructure and network with Nagios.
• Monitoring connections and load of Apache server using mod status.
• Configuration of local YUM repository for Enterprise Software Application Management.
• Hardening systems with Security Enhanced Linux and other security measures.
• File transfer with NFS, Autofs, FTP, SAMBA, SSH etc.
• Installation and configuration of Domain Name Service.
• Encryption of files with gpg.
• Installing, Configuring and deploying ISCSI target server and initiator client.
• Installed and Configured Postfix mail server.
• Performance Monitoring and capacity planning on UNIX and Linux Servers.
• Configuring user based and host based security using tcp wrapper and iptables.
• Using booleans to secure systems.
• Configuring system logging servers for Failover, Backup, Recovery and Redundancy.

Senior Linux Engineer

Confidential

Responsibilities:

• Installed, configured and managed software on RHEL servers.
• Compression and Decompression of files and performed Backup and Recovery on RHEL servers.
• Maintains data files and Monitor system configuration to ensure data integrity on Red Hat Systems
• Network configuration and troubleshooting of network access for servers and clients especially on RHEL servers.
• Managing system processes and installed services on RHEL servers.
• Configured, implemented and maintained hardware RAID storage technology on servers configure with RHEL.
• Configured RAID controllers and disk storage shelves.
• Utilized kick-Start and ignite for systems builds and recovery on RHEL servers.
• Experience with network configurations including noledge of switches and firewalls.
• Installed and configured VERITAS volume manager on RHEL servers.
• Re-image client computers and loaded them with new images and software.
• Provided customer service to resolve computer issues.
• Maintain records of daily business transactions, problems and remedial actions
• Use Web based ticketing System to transmit client request to senior technical team.
• Antivirus installation and configuration
• Ensure dat client's computers has access to SERVERS and other Network resources
• Configuring interfaces and sub interfaces
• Creating VLAN’s Making cascading between layer 3 switches
• Configuring Routing protocols:- RIP, EIRGP, OSPF with their AS/Process ID no, Configuration of Lease Line,
• Auto fail over testing by using BGP protocols with PRY and SEC link with same or different ISP’s.
• Configuring and Installation of Cisco routers for VPN and Internet access through ISDN / Leased Line.
• Configuring of Routers for VPN, Internet & Intranet Services.
• Tunnel, ISDN, PRI, Leased Line connectivity.
• Leased Line modem installation, Testing, Implementing.
• Installation and training of Fax Store and Forward services.
• Responsible for overall performance of NOC in terms of calls closure towards customer satisfaction and call closure within teh norms.
• Helpdesk, System Integration Service Solutions.
• Coordinating with Different Department of DOT to maintain teh link & Keeping maximum uptime of teh Backbone.
• Follow up with BSNL for procurement of new Leased Line and ISDN Line.