Linux Admin Resume Profile
Monterey, CA
SUMMARY
- Systems administrator with 10 years of IT experience specializing in Linux, Windows Virtualization
- Networking, Production support in datacenter environments, highly skilled in System Administration computer
- Application, Troubleshooting, performance tuning, file systems, storage, network administration,
- Windows/Linux systems Configuration and deployment, hardware/software installations, backup/recovery
- Procedures, documentation, High availability, Disaster recovery planning and implementation
Professional Summary
- Extensive experience in installing, upgrading, maintaining and configuring Red Hat Enterprise Linux on Dell Power Edge and HP servers using Custom and kickstart installation, SUN Solaris on Dell PowerEdge and Sun SPARC Servers using Jumpstart Servers and Interactive Installation.
- Creating and maintaining users, groups, profiles, rights, disk space, LVMs, Bare metal backups and restores and process monitoring. Extensive experience managing and supporting server solutions like Apache, Tomcat, FTP, DNS, NFS and SAMBA
- Heterogeneous experience in Red Hat Enterprise Linux 3.x/4.x/5.x/6.X/ and Windows Server 2003/2008
- Experience in maintaining Data Center and Enterprise class servers and failover technologies solutions including RAID NAS and SAN.
- Experience in Upgrading, Migration, Backup, Disaster Recovery, Performance monitoring and Fine-tuning of systems running various Linux/Windows platforms.
- Hands on experience in Administration and maintenance of application services like Samba, DNS, Mail, HTTP, Apache Tomcat, JBOSS , Web logic MQ, Squid, DHCP, SMTP, FTP, POP3, NIS, OpenLDAP, NFS and ZFS.
- Installation Configuration and Administration of all UNIX Flavors Solaris, Linux, AIX. Jumpstart Installation, OK Boot Prompt, User Administration, Patch Mgmt., NFS, UFS file systems, Solaris volume Manager Disk Suite , and VERITAS net backup.
- Upgraded servers using RPM Package Manager and yum Yellow dog Updater modified .
- Managing Intranet and Internet Websites on Web servers, Installing SSL certificates, provide Authentication.
- System performance monitoring, tuning, Server hardening and capacity planning.
- Support Red Hat Linux virtual machines on VMware ESXI Server and Amazon Cloud.
- Red Hat Linux Kernel Upgrades, SAR reports, Performance and Load test.
- Responsible for Production Servers Deployments.
- Working knowledge of High Availability strategies RAID, Clustering, etc and Experience with performance tuning/capacity planning of servers hardware and software levels .
- Working knowledge on Netapp storage , backup Veritas, rsync, tar, cpio, Legato, restore, , RCS tools perforce, cvs, rcs and Advanced file system management RAID, LVM, VERITAS, .
- Expertise in installing, configuring and administering Applications servers such as Web logic, Web sphere.
- Assigning NFS and ISCSI,CIFS storage for windows and UNIX servers from Netapp filers
- Solid understanding of Networking Protocols like TCP/IP, UDP, NFS, SMTP, HTTP, DNS DHCP
- Technology Documentation and Knowledge transfer skills are extremely good.
- Installation and Configuration of VMware ESX, ESX i Server 3.0, 3.5 and VSphere, VCenter4.1 5
- Experience in upgrading Solaris servers and applying security patches and hot fixes.
- Quarterly firmware and OS upgrade on Solaris and Dell, HP servers
- Coordination with Application, DBA, Storage, Backup, network, server, Dev, Qa and Vendor to drive issue to a fix.
- Set up Intranet Web Servers with APACHE, TOM CAT, and multiple-site management with named-based Virtual Hosting and access control with HTTP authentication.
- Work closely with offshore teams to resolve issues and fall under SLA standards
- Experience in working with Hardware Servers, blades Troubleshooting, Rack Mounting, cabling and Upgrades Dell, HP, IBM, SUN and other compatible hardware.
- Experience in 24/7 Production environment,
- Independent work habits and a quick grasp of new technologies that bolsters dedication to staff productivity.
Technical Skills Summary
Hardware: Dell Power Edge servers, IBM,HP Servers,Dl380,Dl 580 IBM Blade Servers/I series, Dell 8250, 6300,6850,R900,1950 4300,1300,Sun V440, 480,ultra sparc Servers, Hp Dl360.Dl380,FujitsuBlades, Print Servers, Rack Mounted servers, Blade servers, Hard Drives, Memory, Tape drives, External storage and Raid controllers, Printronix/Epson Laser Printers, Avocent KVM Switch, EMC, Netapp, Brocade, Cisco IBM Storage Sun Enterprise 450R/4500, Sun Fire V250/480/880, E4900, T 5220/5240IBM RS/6000, System p Series 520/550/570/575/590/595/630/650/670, M80, S80, H80, IBM ESS, DS8000, IBM 3590
. Operating Systems: Windows NT/2000/2003, XP, Vista, Sun Solaris 9, 10, AIX 5.x, Os 400, Red Hat Linux 4/5/6, Macintosh, Ubuntu. Software Applications: Active Directory, VMware ESXI,I Mail, WS FTP, MS. Lync, Web Methods I/S, Microsoft Systems Management Server,MOM,VB.Net, Dame Ware, Hyena, RDP, Citrix and Net meeting., VERITAS Netback up, VERITAS volume manager, AutoCAD, Citrix Stream Serve Finjan Internet Security WSUS, IIS 5.0,6.0, Exchange 5.5/2000/2003 server, PL/SQL,SQL Server, Share point, Citrix, Remedy, ISIS. SAS, Camis Kronos, Eminentware, SCCM. RDBMS: Oracle 8i, SQL Server 7.0/2000/2005, MySQL, MS Access. ERP: SAP R/3, Lawson M3. Protocols: TCP/IP, SNMP, SMTP, POP3, IMAP, LDAP, RIP, DHCP, FTP. SFTP, HTTP, HTTPS. Integration Tools: Web Methods Enterprise 5.0 web Methods Integration Server 6/6.0.1/6.1.5/6.5.Lawson business tool. Performance Monitoring Tools: Performance Monitor, Network Monitor, Ethereal, NetIQ, web Methods Manager/Monitor, HP Open View, SiteScope, Dell Open Manage, Nagious.
Network Devices: Hubs/Switches, Repeaters, Routers 1000/2500/3600/4000 , Modem/ISDN Adapters, Hardware Print servers, Gigabit Ethernet Switches, Cisco, Juniper Switches KVM switch, Cabling Crimping, Quantum PX720, quantum 1500 tape libraries, Avocent Switch, Dell rack flat panels. Scripting/Languages/Formats: VbScript, html, XML, SQL. Firewalls: Sonic Wall, Watch Guard, Juniper, Checkpoint Pix. Tools: IIS 7/6/5/4, Remedy, WebEx, VPN, Terminal Services, Visio 2003, Outlook 2000/2003, MS Office 2000/2003/2007/2010, Disaster Recovery, Ghost, Acronis,WMI, McAfee Virus Scan, Norton Tools, Migration Suite - Migration Assessor Domain Migration, Raid, MSVisio, ADMT, Network Trouble Shooting Tools, Dame Ware, VERITAS Backup Exec, NetIQ, Sniffer, RMON, VNC, Dame ware, Stream Serve, Crystal Reports, Cognous, Unix services for windows, Cacti, Nagious, Mercury SiteScope.
Work Summary
Confidential
LINUX ADMIN
- McGraw-Hill Education addresses virtually every aspect of the education market from pre-K through professional learning using traditional materials, online learning and multimedia tools. Our technical innovations are changing the way people learn, with e-books, online tutoring, customized course Web sites and subscription services
- Serving and Managing 24x7 Large Production and Mission Critical Environment site with over 600 Servers which included HP/Dell/Sun Enterprise Servers and Virtual machines.
- Installed and configured Red Hat Enterprise Linux 5.x, Sun Solaris 9, 10 operating systems on large distributed environment.
- Complete Datacenter Operations Administration, Server Hardware and O/S Support Primary application Support.
- Provided administration and support for Servers running on Red Hat Enterprise Linux 4.x/5.x and Sun Solaris 9, 10operating systems.
- Installed Red Hat Enterprise Linux 5.x over the network using Kick start installation and installed Sun Solaris 9 using Jumpstart installation on Sun SPARC Servers.
- Performed System Backup using VERITAS Netback up for Enterprise wide backup and recovery and to centrally manage storage resources through a single console
- Configured networking services such as DNS, SSH, DHCP, YUM and printer services in Red Hat Linux servers.
- Applied new patches and packages for Sun Solaris and Red Hat Linux Servers and handled issues arising out of them.
- Routine server OS installs, Server refresh, old server OS upgrades using Linux Kick start.
- Involved in Setup, Installation and Configuration Solaris 9/10, Linux Centos 5.1 on new enterprise servers from the scratch rack mounting, cabling, loading OS, package installation, network settings till they goes into production
- Performed Server consolidation and virtualization using VMware virtual infrastructure that includes VMware ESX, ESXI, VMware Virtual Center
- Mounting File systems, installing RPM packages and administering Linux servers.
- Maintained availability, increased capacity and performance of production machines by upgrading their hardware and firmware.
- Closely work with virtual and storage teams for VM's and storage allocation, scanning LUNS.
- Creating volume groups, logical volumes, extending logical volumes based on the requirements using Logical Volume Management LVM commands.
- Responsible for deploying applications, managing user accounts, File systems, Disk quotas, Network and system monitoring, end user connectivity, provisioning and deploying hardware.
- Monitored the daily backup activities, Responsible for rotation of the media to the offsite vendor and maintained offset backup for recovery in case of a system crash.
- Support E-commerce servers
- Installing, upgrading operating systems Solaris, HP-UX, Linux and application Packages.
- Configured Crontab schedulers for automating jobs, Administered and Configured Nagios monitoring tool
- Installed and configured networking services such as DNS, DHCP, NFS services in Red Hat Linux servers and FTP, HTTP services on Linux Server and client side.
- Knowledge on puppet and Chef, configuration technologies.
- Good work Exposure with Power path and Navisphere, running EMC grab, ability to provide storage provisioning for Windows and Linux hosts for EMC Clarion.
- Discovered and attached LUNS provided by the Storage team to the required Unix/Linux Servers
- Experience in Meta creation, Mapping, Zoning, masking, Disk group creation and data replication.
- Troubleshooting day to day SAN/Storage related issues, experience with working Brocade and Cisco switches.
- Handled Raid Groups, Storage Groups, Binding LUNs, naming, resizing, unbinding through Navisphere.
- Worked with Amazon Cloud AWS console , Building Amazon machine images and configuring.
- Configured RHEL hosts in VMware and also configuring, setup of template and cloning in VMware ESX.
- VMware ESX integrates into VMware Virtual Infrastructure, which offers extra services to enhance the reliability and manageability of a server deployment, such as VMotion, Storage VMotion, Dynamic Resource Scheduler DRS , HA.
- Monitored servers and addressed the issues raised and ensured the SLA's were met.
- Created the users with appropriate rights, Server Hardening before server moves in to Production.
- Proven ability to Plan Manage Projects and Execute Large Scale Initiatives to Advance an Organization's Mission and Vision.
- Liaised between Technical and Non-Technical Persons and Act as Mentor for Enterprise Services and Support Engineers. Experience with Offshore and Onsite model support
Environment:, Linux 4/5/6 , Solaris, Windows Mac, Web servers, SharePoint, Documentum, SQL, Oracle, Citrix, VMware, VERITAS, EMC Storage, Nagious, SiteScope, AS400. Checkpoint Firewalls, Cisco switches, Routers.
Confidential
SYSTEM ADMIN
- Configured the kickstart and jumpstart installations over the network.
- Installed Solaris 5.x, created user logins, administering the system performance and monitoring user activities.
- Upgrading servers from Solaris 8 to Solaris 9 as well as RHEL3 to RHEL4 and RHEL5.
- In-depth understanding of Linux/UNIX fundamentals including Kernel subsystems scheduler, VM, etc , system calls, inter-process communication, process/resource management and file systems.
- Creating and maintaining users, groups, profiles, rights, disk space, LVMs and process monitoring.
- Extensive experience managing and supporting server solutions like Apache, Tomcat, FTP, DNS, NFS and SAMBA.
- Expertise in configuring and managing Redhat Directory Server, OpenLdap Server and Active Directory.
- Worked with Red hat Package Manager RPM and automated software update mechanisms such as yum, up2date and apt-get
- Good knowledge on RAID levels and implemented RAID 0, RAID 4 and RAID 6 using software and hardware.
- Expertise in installing, configuring and administering Applications servers such as Weblogic, and IBM Web sphere.
- Administered Windows 2000/2008 and Exchange Mail Servers.
- Implemented Active Directory Services for production environment.
- Administered and managed TCP/IP,DNS and DHCP servers, Experienced with Windows Web Servers IIS 6.0
- Planning and Implementation of Hardware RAID Volumes on Servers.
- Plan, Schedule and Automate System backup and maintenance jobs using Windows Backup Utility as well Third party tools like VERITAS on Windows Servers.
- Building and Configuring of New windows and Solaris servers on Intel and Sparc Machines
- Responsible for designing Active directory Structure according to Company Requirement.
- Level 2 UNIX Support. Jump Start, console, text mode installations User Administration, file systems, Volume Manger, NFS, DNS patch management.
- Coordination and Infrastructure, Site surveys to support new equipment installation.
- Added new Users in to domain, providing security to them.
- Planned and Tested Disaster Recovery from the System State Backup in testing environment.
- Performed systems performance testing and Application testing Web log analysis software Installation and configuration.
- Built and deployed Virtual applications on Physical Hardware using VMWARE ESX
- Installed, Maintained and Troubleshot on Solaris, Linux and Windows.
- File System servers with NFS with Auto mount clients
- Back-up management using normal back-up tape drives, Legato net-backup, VERITAS net-backup.
- Provided Support for Cisco Routers.
- Provided Remote support through VPN, VNC, X11VNC, PC Anywhere, mstsc, SSh and Telnet.
- Maintained Symantec Antivirus Server and the deployment of the client versions.
- Implemented group policy to block the USB flash drives and deploying software for entire domain.
- Supported 24/7 in Production UAT Environments.
Environment: Windows 2000/2003 Server, IIS, AS400, UNIX, Firewalls, Internet Security.
Confidential
SYSTEM ADMIN/NETWORK SUPPORT
- Administered Windows 2000/2003 servers and LINUX Mail server.
- Designed and Installed Physical Network setup for 80 nodes and 3 Servers in Head Office.
- Configured all clients with Windows 2000 Pro and Windows XP/Vista.
- Planned and Implemented Hardware RAID Volumes on Servers Hp Smart Start and dell Open manage.
- Planned, Scheduled and Automated System backup and maintenance jobs using Windows Backup Utility on Windows Servers.
- Technology Documentation and Knowledge Transfer skill are Extremely Good
- Experienced in configuration and maintenance of DNS DHCP server.
- Distributed the FSMO roles between different Domain Controllers.
- Administered Windows desktops using System Policies and User Profiles, deploying TCP/IP, DHCP, DNS and WINS configurations remotely.
- Performed typical PC technician duties and support in Windows and Dos including Hardware repair and upgrades.
- Planned and Tested the System State Backup in testing environment.
- Point of contact in support of over 90 networked terminals and printers at the corporate office in the delegation of duties 'project planning' for configurations, Software upgrades and troubleshooting.
- Highly critical technical desktop support/application support of proprietary software for multiple
- Configured remote access desktop with Windows 2000 / 2003 server to the individual Windows 'XP and enabling Terminal Services
- Designed, Installed and Implemented windows 2000 Servers with ADS. And one Oracle Database server on Windows 2000.
- Good experience in working with IIS 5.0
- Configured RAS Communication between Head Office and Plant.
- Configured RAID level 1 5 for both ADS and Oracle Data base Servers.
Environment: Windows NT, 2000/2003 Server, VMware, Novel, AS 400, UNIX, Firewalls, Remote Access
Confidential
MIS Engineer
- Responsible for administration of Windows 2000/2003 servers and IMAIL Mail server.
- Designed and Installed Physical Network setup for 80 nodes and 3 Servers in Head Office.
- Configured all clients with Windows 2000 Pro and Windows XP/Vista.
- Planning and Implementation of Hardware RAID Volumes on Servers Hp Smart Start and dell Open manage.
- Plan, Schedule and Automate System backup and maintenance jobs using Windows Backup Utility on Windows Servers.
- Administered Windows desktops using System Policies and User Profiles, deploying TCP/IP, DHCP, DNS and Perform typical PC technician duties and support in Windows and Dos including, Hardware repair and upgrades.
- Installed and Configured Ms Exchange 2000 Server for internal mailing.
- Configured RAID level 1 5 for both ADS and Oracle Data base Servers.
- Designed local area network with CAT5e cabling and crimping
- Designed wireless networks with Linksys wireless routers
- Configured network devices, servers and website HTML, ASP for appropriate security levels.
- Ran crystal reports to Extract Company financial reports from AS400.
- Building and Configuring of New windows and Solaris servers on Intel and Sparc Machines
- Responsible for designing Active directory Structure according to Company Requirement.
- Worked with Group policies for security aspects.
- Planning and Testing the System State Backup in testing environment.
- Work Experience with Pix Firewall, Designed local area network with CAT5e cabling and crimping
- Point of contact in support of over 90 networked terminals and printers at the corporate office in the delegation of duties 'project planning' for configurations, Software upgrades and troubleshooting.
Confidential
System Admin/Customer Support
- Involved in Co-ordination with Telecom to maintain the Uptime Leased lines.
- Installed and configured VPN server and client machines.
- Worked with Routing and Switching within the internal network of the company.
- Worked with configuration and building of LAN and WAN.
- Maintained NT4.0/2000 Server and Network Connections for local and remote users.
- Installation and configuration of VPN server and client machines.
- Working with Routing and Switching within the internal network of the company.
- Support in Fire Wire room a high-speed document printing room, included color printers, Scanners and plotters. These print jobs and their successful delivery were critical documentation in the securities and exchange business.
- Working with configuration and building of LAN ,Windows desktop support
- Windows 2000 server support
- Precision Tools Company manufacturer and exports to Malaysia and Singapore
- Client Support in working with Microsoft Office Professional Suite of Products and Microsoft Outlook/Exchange.
- Work with SNMP, TCP/IP, Proxy Exchange as well as establishing SMS as a current viable tool for establishing network operation and needs.
Confidential
CUSTOMER SUPPORT ENGINEER
- NT System Administration duties to include Security Issues, Network Communications local Global Group creations systems monitoring, account creation/modification/deletion. Exchange Server, NT Server, NT Workstation, TCP/IP setup, configuration and troubleshooting. Limited design.
- Visiting sites to design the Topology and giving suggestions to clients about Architecture.
- Mentored a staff of 8 in all LAN, hosts and PC related issues in a Help Desk Environment.
- Built computer systems both through the development of new ghost image or from ghost Image, install and support software applications, which included Microsoft Office 97 2000, Windows 98 NT and Palm Pilot applications, Maintained NT4.0/2000 Server and Network Connections for local and remote users.
- Worked with configuration and building of LAN and WAN, Installed and configured VPN server and clients
- Worked with Routing and Switching within the internal network of the company.
- Supported Client in working with Microsoft Office Professional Suite of Products and Microsoft Outlook/Exchange.
- Worked with SNMP, TCP/IP, and Proxy Exchange Assisted IT Teams in the issue and recall of Global System Event Messaging
- Assisted other NT Administrators in creation of customer accounts and manipulation of same as necessary.
- Corporate instructor, provided classroom instruction and one-on-one desktop and client Support for MS applications from Intermediate to Advanced Excel, Access, Word, and PowerPoint.
- Imaged Desktops and Laptops using Ghost, Service Pack and Antivirus upgrade installations.
- Analyzed Internet Connectivity Proxy Settings for each user.
- Compaq Server Diagnostics, Field Laptop support, Setup and managed network file systems.
Environment: VPN, Windows NT, 2000/2003 Server, UNIX, MS Exchange Server.