SUMMARY

• 7 years of Information Technology experience in System Builds, OS Installs, Application Installs, Performance Tuning, Backup and Recovery, Networking, Storage, Capacity Planning and Automation on Unix Servers.
• A highly motivated individual with proven ability to learn fast, work well under pressure and ability to work in a team as well as independently.
• Comprehensive knowledge of CISCO networking technologies and protocols
• Familiar with CISCO IOS & NX - OS.
• Experience in enterprise-level systems, network design, implementation, integration and support.
• Strong Knowledge of L2 & L3 protocols in Networking.
• Proficient handling Cisco Routers, Cisco Switches, Firewalls.
• Experience in configuring DNS, DHCP, NFS, NTP, SSH, HTTP.
• Experience with the Application Deployment and Maintenance (Security, Upgrades, Patching, Backup, cloning b/w the environments) on Organization's Environment.
• Experience with AWS CLI (Command line interface) for automating administrative tasks.
• Expertise in Configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter-VLAN routing and VLAN Trunking using 802.1Q.
• Designing, Implementing and Troubleshooting Cisco Routers (800,2800,2600,3800,7600) using Static, RIP, OSPF, EIGRP,BGP.
• Protocols Awareness:OSPF, EIGRP, RIP, BGP, HSRP, ACL, VTP, NAT/PAT, CDP, Telnet, SNMP, ARP, STP (802.1D), SNMP.
• Strong understanding and Experience with the agile development, Waterfall model and other process models.
• Expertise in implementing Layer 2 technologies including VLAN’s, VTP, STP, RSTP, Trunking and Port-security, expertise on working with Etherchannel technology (LACP, PagPs).
• Experience in L2/L3 Multicast - IGMP, PIM.
• Experience with Virtualizing Technologies like VMWARE.
• Extensive knowledge of Network System Engineering methods
• Skilled in designing, planning and implementing LAN/WAN solutions
• Proficient in technical and non-technical communication, both in oral and written
• Excellent problem solving, analytical and logical thinking skills.
• Experience in working on virtualization products like VMware, Vsphere, Solaris Zones ESX 3.X/4.X and Xen 3.X
• Migrated multiple single servers to clusters /HP Blade Servers, Physical servers to VM's on Hypervisor
• Migrated from platforms like Solaris to Linux and HP-Unix to Linux.
• Network connectivity troubleshooting and configurations.
• Communicating and negotiating with users, specialists, other staff and suppliers.
• Able and willing to work flexible hours when necessary.
• Routing related tasks included providing Cisco router configuration providing technical support for Cisco Router configurations and installation for Customer. Configured IP, EIGRP and OSPF networks.
• Switching related tasks included implementing VLANS and configuring 802.1Q on Fast-Ethernet channel between switches
• Extensive knowledge of Microsoft based operating systems, including Windows Server 2003, and Windows Vista, Windows 7.

TECHNICAL SKILLS

Operating Systems: Linux and Windows

Scripting Languages: Python, TCL

Network Tools: Wireshark and Ixia

Network Platforms: Nexus 7K, Nexus 5K, Cat 6K, Cat 4K

Protocols: EIGRP, RIP, PPP, 802.1Q, STP, SNMP, OSPF, HSRP, VRRP, GLBPTCP/IP, UDP, Telnet, FTP, BGP, IGMP

Networks: LAN, WAN, VLAN

PROFESSIONAL EXPERIENCE

Confidential, CA

Network QA Engineer

Responsibilities:

• Troubleshooting of CISCO routers like ping, trace route and basic issues.
• Ensure connectivity and communication among networks, servers and clients inside and outside department.
• IOS upgrade for Cisco routers & switches.
• Redesigned Internet connectivity infrastructure for meeting bandwidth requirements.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, trunking, STP, Inter Vlan Routing, LAN security.
• Configured Routing protocols such as OSPF, BGP, static routing and policy based routing.
• Involved in Configuring and implementing of Composite Network models which consists of Cisco7600, 7200, 3800 series routers.
• VMware vSphere 5.x Administration and Support.
• Experience in troubleshooting of Layer 2 features (VLAN, STP, RSTP, VRRP, and Ether Channel).
• Configured and tested PIM(ASM), IGMP
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Checking and tuning Linux Kernel parameters and Solaris for better performance.
• Provided enterprise risk assessment mechanisms and reporting.
• Managing Layer 2 switches of Cisco, Vlan configuration and assigning ports to specific vlan as per requirement.
• Configuration and troubleshooting of Cisco Nexus switches 2000, 3000, 6500, 7004, 7009, 7700 Series.

Environment: Solaris 9/10, RHEL 5.x,6.x, OEL 5/6 SUES 4.1, Sun T2000, M4K, M8K, T5140, T5240 Sun Firev890,Sun Firev440, Sun Firev490, HP-Proliant, IBM Blade, VERITAS Volume Manager, VCS, SVM, VMware ESX.

Confidential, San Jose, CA

Network Engineer

Responsibilities:

• Involved in the troubleshooting aspects of complex network infrastructure using the routing protocols like RIP, EIGRP, OSPF and BGP.
• Configured and deploying Cisco catalyst 6506, 4948E, 4510 switches and Cisco 3660, 3845, and 7609 series Routers.
• Configured and managed Cisco access layer routers and switches.
• Responsible for applying patches using Patch Center on Linux Servers.
• Responsible for Installing vendor binaries and proprietary software, utilities, compilers, databases & licensing.
• Compiled and packaged Apache 2.2 with openssl and mod ssl & good in debugging apache related issues.
• Responsible for maintaining incremental, weekly and monthly backups.
• Implementation, Integration, Problem Resolution, Root Cause Analysis, Quality Assurance, Disaster Recovery, Audits, Hardware/Software OS & Application Maintenance, Performance Tuning, Upgrades, OS Backups, Migrations, User Account Maintenance, Storage Management and all other daily system administration functions.
• Build, configure, deploy, support, and maintain enterprise class servers and operating systems.
• Install, configure and troubleshoot LAN and WAN using Cisco routers, switches, firewalls and other devices. Maintain the full connectivity across the entire process plant.
• Configured and managed VLANs, 802.1Q Trunk, RPVST+, Inter-VLAN routing, HSRP and LAN security for Layer-2 and Layer-3 switching domains as per the organization's requirement plan.
• Applied ACLs for Internet access to the servers using Cisco 5520 ASA firewall, performed NAT.
• Design, implementation and operational support of routing/switching protocols in complex environments including OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Developed startup and automate scripts using Python scripting.
• Configured and performed troubleshooting on link state protocols like OSPF in single area and multiple areas.
• Responsible for simulating network operations with the usage of packet analyzer like Wire shark and use to resolve tickets whenever there is an issue.
• Worked on documentation to create Visio diagrams using MS Visio.

Environment: HP-UX, Centos 5/6 Red Hat Enterprise Linux 4/5, Oracle Enterprise Linux 5/6, Windows NT 4.0, VERITAS Volume MANAGER 5.0, HP bl860c, HP rx7640, HP 9000/8000/S16K-A.

Confidential

Unix Systems Administrator

Responsibilities:

• Maintained and support mission critical, front end and back-end production environments.
• Provided Tier 2 support to issues escalated from Technical Support team and interfaced with development teams, software vendors, or other Tier 2 teams to resolve issues.
• Installations, Configurations, Maintenance and monitoring RHEL 4.0/5.0, Solaris 8/9/10, SUSE and Windows Servers, including oracle instances.
• Worked on A1000 StorEdge storage disk arrays and configured in RAID 0, 1 and 5 levels. Good knowledge in RAID concepts.
• Installation in the patches, Hardware and Software servers.
• Create, analyze, and modify server security configurations.
• User administration on Sun Solaris and RHEL systems, HP-UX machines, management & archiving.
• Install and configure DNS, DHCP, SAMBA, Sendmail, NFS&NIS..
• Create and configure DNS records for internal and external name resolution.
• Implement and Manage network infrastructure such as firewalls, switches and routers.
• Design and Deploy new high available production network with redundant firewalls, load balancers, Linux based web, app and database servers.
• Configuration and administration of Web (Apache) Configuration and administration of Web (Apache)
• Worked on Logical Volume Manager on Linux and Solaris Volume Manager on Solaris.
• Responsible for Server Performance monitoring, analysis and tuning.
• Supported SQL and Oracle Database Servers.
• Worked with DBA team for database performance issues, network related issue on Linux / Unix Servers
• Worked on cronolog in Linux servers for managing the logs of the web servers and performed automation using shell, python scripts.
• Worked with monitoring tools such as Nagios.
• Responsible for managing Amazon AWS Dev instances.
• Performing bench marks on cloud stack as like Amazon AWS to setup private cloud
• Creation of VMs, cloning and migrations of the VMs on VMware vSphere 4.0
• Installed and configured VMware ESX server instances for virtual server setup and deployment.
• Responsible for creating VMware virtual guests running Solaris, Linux, Windows.
• Automated system management tasks like user account creation, file system size monitoring, monitor system resources and system maintenance using Shell Scripts.
• Maintained and monitored all organization servers operating system and application patch level, disk space and memory usage, user activities on day-to-day basis.

Environment: Solaris 8/9/10, RHEL 4,5,6 (Linux), OEL 5, ESX 4.1, Sun T2000, M4K, M8K, T5140, T5240 Sun Firev890,Sun Firev440, Sun Firev490, HP-Proliant, IBM Blade, VERITAS Volume Manager,VCS,SVM & Sun Clusters, HP-Unix 11.1 VMware ESX/ ESXi.