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Sr. Network Engineer Resume Profile

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SUMMARY:

  • 6 years of experience as a System administrator in Linux/Windows platforms and Networks Cisco, Juniper, Proxy and Load Balancers.
  • Hands on experience in systems setup, configuration, upgrade, maintenance, performance monitoring and troubleshooting on different UNIX platforms like Sun Solaris, Linux, HP-UX, and Windows system software and hardware as well as networking.
  • Installing, upgrading and configuring SUN Solaris 7, 8, 9 and 10 on Sun Servers using Jumpstart, Flash Archives and Interactive Installation.
  • Installing, upgrading and configuring RedHat Linux 3.x, 4.x, 5.x, 6.x using Kickstart Servers and Interactive Installation.
  • Experience in Virtualization by Zones configuration on Solaris 10 and also with VMWareESX 4.1 in Linux and Windows Environment.
  • Expertise in RAID Configuration, Veritas Cluster Server, Veritas Volume manager, Logical Volume Manager and Veritas Net Backup.
  • Efficiently implemented network file sharing by configuring NFS to share files and resources across the network.
  • Scheduling various cron jobs for backups, database and proprietary jobs using CRON and BMC Control-M and troubleshooting daily job problems.
  • Experience with Virtual Memory and swap space on Solaris systems.
  • File system tuning using Veritas File System VxFS .
  • Planned, documented and supported high availability, data replication,fail-over and fall-back Solutions using Veritas Cluster Server 5.0, 5.1 in SAN environment.
  • Coordinated with SAN Team for storage allocation and Disk Dynamic Multi pathing. Worked on Various SAN Products like Net App, EMC Symmetrix, Hitachi data systems.
  • RDBMS installation and support for Oracle, SQL Server, MySQL.
  • Worked with Backup Team to Configure the Master and Client Backup servers Using Veritas Net Back up.
  • Working Knowledge on Veritas Storage foundation VSF and Veritas Volume Replicator VVR .
  • Experience in Windows Domain Controller, Active Directory configuration, users and group creation and management, folder permissions, network sharing, backup and maintenance.
  • Configuring/Managing Vlans, VPN and Firewalls.
  • Experience in setting up LANs and WANs.
  • Configuration and maintenance of various routers, firewall and wireless access points such as Cisco, Juniper, Bluecoat, and F5 Load Balancers.
  • Effective leader, motivator and team player with excellent planning, coordination, time management, supervision and organizational skills.

TECHNICAL SKILLS:

  • Operating Systems
  • RHEL 3/4/5, Solaris Release 2.10/2.9/2.8/2.7, IBM-AIX 5.X, zVM Windows 98, Windows 2000 and NT
  • Hardware
  • HP Proliant, Blade servers, Sun Servers E450, E3500, E4500, E5000, E6500, E10k, E15k, E25k, Sun Ultra's, V210, V280, V490, V880, V6800 SUN Ray 1g Ultra Thin Client SUN Desktops SPARC 10, 5 , DMX3 and DMX4 Storage Arrays, F5
  • Software
  • Veritas Volume Manager 3.5/4/5, Veritas File System, Veritas Cluster Server 3.5, VeritasNetbackup 6.0, MS-Office/MS-Project
  • Web/ Application Server
  • Tomcat, Apache DB2, Oracle
  • Network Protocols
  • DHCP, DIG, DNS, SNMP, SMTP, Ethernet, IOS, netstat, NFS, NIS, nslookup, RIP, OSPF, BGP, TCP/IP, and tcpdump, FTP, TFTP.
  • Cluster Environment
  • Sun Cluster Servers 2.2, 3.1, 3.2 and VERITAS Cluster Servers 4.1
  • Programming Languages
  • C, SQL, HTML, PHP, XML, Bash, Perl and Shell Programming, JSP, Python

PROFESSIONAL EXPERIENCE:

Confidential

Unix/Aix/Linux Administrator

Description: Confidential is one of the largest independent licensees of Blue Cross Blue Shield Association. Currently it is headquartered in 600 E. Lafayette Blvd. in downtown Detroit. Confidential, a nonprofit organization, provides and administers health benefits to more than 4.3 million members residing in Michigan in addition to members of Michigan-headquartered groups who reside outside the state.

Responsibilities:

  • Worked with 100 IBM servers such as IBM RS/6000, p670, p5-570, p5-595 servers running AIX 4.3.3, 5.1, 5.2 and 5.3
  • Setup and configured TCP/IP network on LINUX and AIX.
  • Worked using and administering Linux from command line on physical, virtual and cloud servers.
  • Worked with implementation team of high availability cluster on IBM RS/6000 platform HACMP for AIX .
  • Creating LPARS and configuration of DLPAR scripts for load sharing.
  • Installed and configured network services such NFS, NIS and DNS Server.
  • Experience using cloud providers API's for Amazon AWS with Rightscale, Rackspace Cloud/Cloud Files, Linode, Slicehost, CloudSigma EU and IBM Cloud environments.
  • Adding physical volumes, creation Volume groups, File systems, Storage allocation, cron jobs, maintenance levels upgrades and applied Fixes for AIX 5.x.
  • Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager LVM commands.
  • Worked in the migration team for migration from AIX 4.3.3, 5.1 to 5.2 and 5.3.
  • Configured backup/archive policies using Tivoli Storage Manager.
  • Modified Korn and Bourne shell scripts in order to automate administration tasks like customizing user environment and performance monitoring.
  • Performed routine checks on nodes by monitoring syslogs and errorlogs for system and hardware errors.
  • Configuration and Management of Data Guard on RHEL, OEL.
  • Setup cron jobs schedules for various backup and monitoring tasks.xsupported with enterprise backups using Veritas Nebackup version 4.5.
  • Installed, configured and administered ZFS filesystem, Websphere Application Server 4.x/5.0
  • Setup and configured network TCP/IP on LINUX and AIX servers including RPC.
  • Experienced in installation and configuration of HACMP, VMware.
  • Installation/Administration of TCP/IP, NIS/NIS , NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
  • Logical Volume Management LVM of AIX.
  • Predefined and Customized Volume Group management on AIX.
  • Disk Management on AIX using SMIT.
  • Installation and Administration of Tivoli Directory Server.
  • Disk Replacement Strategy on AIX.
  • Performance Management Tuning of AIX /UNIX Kernel.
  • Managing cron jobs, batch processing and job scheduling.
  • Software installation and maintenance.
  • Security, Disaster Recovery, users and groups administration.
  • Networking service, performance, and resource monitoring.
  • Familiar with IBM Enterprise Storage Server ESS .

Environment: Solaris 8/9/10, Red Hat Linux 4/5, BMC Tools, NAGIOS, Veritas NetBackup, Korn Shell, Bash Scripting, VeritasVolumeManager, VMware, ZFS file system ,web servers, LDAP directory, Active Directory , BEA Web logic servers ,SAN Switches, Apache, Tomcat WebSphere, Weblogic application server.

Confidential

Linux Administrator/ Sr. Network Engineer.

Description: Confidential is the third largest property and casualty insurer in Confidential. Application involved gathering the required information from the agents and customers, to processing their requests, creating workflows for approvals and finally enables issuing and monitoring insurance for client's home, vehicles, valuable articles and excess liability. Clients have option to choose the type of insurance they need depending upon their requirements.

Responsibilities:

  • Worked on Cisco and Juniper Firewall and Switches.
  • Worked on HP Networking Gears.
  • Worked on L3 connectivity and VPN configurations.
  • Installed and configured RHEL 4.x/5.x, Solaris 8/9/10, Windows 2003/2008 for production, staging and test environments.
  • Configured Zones, Containers and branded zones on Solaris 10.
  • Building LDoms on T5220, T5120 and T5140 servers.
  • Configured File Systems using ZFS/vxfs/svmfor Oracle Databases.
  • Involved in troubleshooting of UNIX technical problems received through e-mail and Clarify Ticketing Tool, Backup solutions according to the SOP SLA. Generating reports, Preparing Quality Documentations uploading to VSS tool
  • Monitoring, troubleshooting reporting daily backup status for all critical production UNIX servers enterprise-wide.
  • Scheduling and Managing Backup jobs using VeritasNetBackup 5.1.
  • Scheduling cron jobs for disk utilization, CPU utilization, backup of the data operating system and other applications as per the requirement using shell scripting.
  • Installation and configuration of Windows 2003/2008 including Active Directory Services, IIS, DHCP on several Dell and HP servers.
  • Installed Application Agents on 1500 Virtual/Physical servers in windows 2000/2003/Linux/Solaris.
  • Configured devices by using HDLM software from Hitachi SAN.
  • Setup of full networking services and protocols on Solaris, including NIS/NFS, DNS, SSH, DHCP, TCP/IP, applications, and print servers to insure optimal networking, application, and printing functionality.
  • Administered, maintained Red Hat 3.0, 4.0, 5.0 AS, ES, Troubleshooting Hardware, Operating System. Application Network problems and performance issues Deployed latest patches for Sun, Linux and Application servers.
  • Disk Space management using VERITAS Volume Manager.
  • Configuration of Hardware and Software RAID. Disk replacement and File system recovery.
  • Implemented Virtualization using VMware. Installed VMware ESX server on Dell Servers and configured Solaris 9/10/ Red Hat Linux 4.0 / Windows 2003 virtual machines for various applications.
  • Installing and setting up Oracle9i on Linux for the development team.
  • Installation of software packages and checking the integrity of the installed packages. Installed different RPM Linux 4.0/5/0.
  • Administered Linux servers for several functions including managing Apache server, mail.
  • Installed and configuredSudofor users to access the root privileges.
  • Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
  • Worked with different hardware and software vendors to troubleshoot the hardware and software problems.
  • Responsible for backup and recovery of servers.Documented backup policies and procedures for backup routines, schedules and restore policies.
  • Managing cron jobs, at Jobs, batch processing and job scheduling.
  • Support and detailed troubleshooting of Sun Solaris in a 24 x 7 Environment.

Environment: Solaris 8/9/10, Linux, VMWARE, SUN SPARC workstations A21, A22, A70, A89 ,NFS, NIS, DNS IBM 8677, IBM Blade center Servers HS20, HS21 , Lenovo Workstation's D2, D3, D10, D20 , IBM P520, P550, P560, P570, P575, P595, IBM IntelliZpro-9228, DELL Poweredge 1650,2850,2950,6400.

Confidential

Linux and VMware systems Administrator

Description: Confidential, LCI delivers the industry's finest bankruptcy data, bankruptcy process automation software, expert services and research to automate expensive processes in the bankruptcy lifecycle. Creditors, Debt Servicers and Credit Services must identify, manage, sell or collect bankrupt debt. Expertise in the financial industry, specifically its focus on at-risk accounts, enables LCI to innovate, develop, and deliver solutions that provide superior information and improved profitability.

Responsibilities:

  • Building, administering, monitoring and troubleshooting VMware VSphere environments, RHEL 5.x, 6.x, CentOS on Dell and HP hardware platforms.
  • Add, remove and resizing Logical volumes using LVM in Red Hat Linux and implementing software RAID at installation time.
  • Define/setup network protocols, Network File Services NFS , and Network Information Services NIS in Red Hat Linux and IBM AIX systems.
  • Configuring Virtual Machines under VMware ESX and ESXI Servers to install Red Hat Linux, CentOS, SUSE, Windows, Ubuntu, Solaris guests.
  • Used VMware vCenter, created DataCenter Environment by creating VMware clusters, adding ESXI hosts in the Clusters, and implemented HA and DRS.
  • Worked on migration concepts like V-Motion, Cold Migration, and Storage V-Motion.
  • Server migration physical to Virtual using Hot and Cold cloning technology in VMware and also performed Snapshots, Cloning.
  • Designed and planned Upgrade to vSphere 5
  • Provisioned VMware Datastore's and configured storage for Virtual Machines.
  • Configuration and Implementation of Samba v3.0 to help printing and file sharing in the mixed environment.
  • Maintenance level upgrades and software administration on AIX the RPM installation on Red Hat Linux.
  • Administered Red Hat Linux servers for several functions including managing Apache/Tomcat server, mail server, My-SQL database, and firewalls in both development and production.
  • Configuring Kick Start Servers and booting the images in Red hat Linux.
  • Implementation and Management of Disk Quota on Red Hat Linux as well as NetApp filers.
  • Implementation of SSH for secure transfers and implementation of PKI between servers to enable password less logins between Servers.
  • Configuration and administration of Apache web server and JBoss for web applications. Application Server on RedHatmachine
  • Setup Git Server and user accounts
  • Created and managed Development and continuous integration Environments using VMware ESXI, automated through Jenkins using PXE boot, bash and the VMware CLI
  • Implemented IPtables, TCP Wraper, for security purpose
  • Created and troubleshooting on scripting like Bash and Perl
  • Develop, Maintain, update various script for services start, stop, restart, recycle, and cron jobs Linux based Korn shell, Bash, Perl
  • Intergrated KVM hypervisor with OpenStack
  • Performing O/S and kernel upgrades on Red Hat Linux servers. Created Templates from VM's, deploy VM's from templates and allocate resources
  • Created Virtual Switches, Ports and Ports groups and setting up Layer 2 Security Policies for Virtual networks
  • Troubleshooting issues relating to V-Motion such as compability issues with the help of events log
  • Seeting up Users and Groups for access to the Virtual Center
  • Migrated VM from one LUN to another LUN using Storage V-Motion.
  • Performance tuning of VMware servers, Virtual sessions and management of servers resources between Virtual Machines
  • Involving in installation, configuration, implementation, and troubleshooting in support of Network protocols and technologies such as DNS, DHCP, DIG, SNMP, SMTP, Ethernet, IOS, netstat, NFS, NIS, nslookup, RIP, TCP/IP, tcpdump, FTP, TFTP, and SFTP.
  • Installing, configuring and deploying applications on Web logic Application Server 8.x, 9.x.
  • Troubleshoot backup issues, Perform manual backups restore on VERITAS Net Backup.
  • Document and maintain the inventory using asset management techniques
  • Worked on mounting the file-systems using AutoFS and configuring fstab file
  • Added Cacti based graphing and monitoring of Linux and NetApp systems
  • Worked on the configuration of server monitoring tool like Nagios, Big Brother.

Environment:Red Hat Enterprise Linux 5.x, 6.x, Linux 8/9, LVM, Apache 2.0, Web Logic ,WebSphere, Dell Poweredge R900, R610, R70, R720, HP Proliant Dl 360p Gen8.VMware VCenterVSphere 4.1. and 5.1, DNS, DHCP, DIG, SNMP, SMTP, Ethernet, IOS, netstat, NFS, NIS, nslookup, RIP, TCP/IP, tcpdump, FTP, TFTP, and SFTP, Korn shell, Cisco switches routers, VLAN, Fiber Channel, Nagios, Perl, Bash, Tomcat and Apache

Confidential

Linux Administrator

Responsibilities:

  • Providing on line support for around 900 HP/IBM servers in a Data Center Production Environment
  • Design and Implementation of enterprise servers with high availability Veritas Cluster
  • Install and administer Veritas volume manager and managing file systems.
  • Creating the volumes and creating the file systems VXFS .
  • Patch management and updating of the software as and when required
  • Actively participated and supported in the migration of 460 production servers from old data center to New Data Center
  • Involved in using RPM for package management and Patching.
  • Immediate acknowledgement of issues solving them while constantly updating status for all levels of severities and provide RCA report
  • Configuring the volume manager and bringing the drives into VVM control
  • Involved in decommissioning servers project as per the company procedures and update the hardware inventory database.
  • Creating Cluster service groups and establishing group level dependencies
  • Adding the resources to the service groups
  • Involved in setting up test environment
  • Migrate Physical Servers to Virtual Serves using VMware Converters
  • Creating documentation for datacenter hardware setups, standard operational procedures and security policies
  • Installation, configuration and driver upgrades of HBA's on UNIX servers
  • Logging events and forcing crash dumps, securing servers and troubleshooting issues
  • Co-ordination with Application team for performance/upgrade related issues.
  • Co-ordination with backup team for recovery of files/slices.
  • Handling Problem tickets and Change tickets and implementing them as scheduled within SLA
  • Configuration and administration of NIS, NFS DNS environment
  • Create and maintain technical documentation for new installations and systems changes as required
  • Coordinate with vendors IBM, HP, and VERITAS for RCA's.

Environment: RHEL 3/4/5, Solaris 8/9, ESX , HP DL 180/360/580 G5, IBM p5 series, Fujitsu, M4000, EMC Symmetrix DMX 2000/3000, Linux Satellite Server

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