SUMMARY

• 9年Linux (Redhat 5/6, SUSE Linux 10/11)， Solaris (9/10)， AIX 5的工作经验.3/6.1/7.1 and VMware Administration and Server Support.
• AIX和Linux服务器从物理到虚拟、从虚拟到虚拟的迁移和转换经验.
• 能够在Linux, Solaris和AIX上执行补丁管理，服务包升级.
• Installation and configuration of Samba Server on Solaris, Linux.
• Installation, Configuration and management of Sun Servers with RAID Technologies.
• 能够以高效率和敬业的工作技巧支持服务器.
• Extensive knowledge on LVM (Volume Groups, Logical Volumes and File systems) creation, management and troubleshooting.
• Experienced with installation, support, configuration and maintenance of Redhat Linux, SUSE Linux, AIX and Windows 2003/2008 Operating System.
• 熟悉XEN、VMware ESX、ESXi服务器等虚拟化技术.0 and 5.1.
• RDBMS installation and support including Oracle, SQL Server, MySQL and use of SQL in various contexts
• 有使用PXE构建服务器的经验-在多个服务器上启动和启动进程.
• 在Linux、AIX和Windows NT/2000服务器上安装补丁、安全修补程序和软件包.
• Administration of Storage Area Networks (SAN), EMC Clarion, EMC Symmetric, Hitachi data systems and HP EVA.
• Excellent ability in writing in shell scripting (Korn, Bash).
• 与备份团队合作使用VERITAS Net备份和恢复磁带，使用ufsdump配置主备份服务器和客户端备份服务器, ufsrestore, tar and cpio.
• Installation of NFS, FTP, DNS, NIS, Sendmail, Postfix and HTTP on Linux Operating
• Configure a workstation as a client to NIS and LDAP.
• Implementing local backup and disaster recovery.
• Strong experience in file access permissions.
• Configuration of local and network printers and basic troubleshooting.
• Monitoring the performance of servers using nmon, top, topas, vmstat and iostat.
• 创建/删除交换空间，检查交换空间的使用情况，并根据需要增加/减少交换空间.
• 通过禁用当时活动但不安全的守护进程和服务来修复服务器.
• Experience of working in Data centers with 24X7 Production and On-Call Environments.
• Experience in helpdesk management, desktop pc support & troubleshooting and supervising desktop pc technicians.
• 与供应商协调任何关键硬件问题，并推动问题的解决.
• Excellent communication & interpersonal skills. Proven strength in troubleshooting, problem solving, coordination, analysis and a proven track record of success

TECHNICAL SKILLS

Operating Systems: AIX 5.2/5.3/6.1/7.1, SUSE Linux SLES 10/11, Red Hat 5/6, Windows 2003/2008/XP, Solaris 9/10

ServersSun Enterprise servers: E450, E250, Sun SPARC Enterprise M4000 Server, M5000 Server, IBM Bladecenter, IBM pSeries, IBM xSeries, HP Gen7 and Gen8, Dell, Cisco

Applications: IBM Websphere, MQSeries, AMQ, Weblogic, Apache, Geronimo, IBM HTTP Server, Netscape, topend, tomcat, Portal, Message Broker, DataPower, Connexus

Storage: IBM N-series, IBM DS3200, NAS, EMC Clarion, TSM

Networking & Communication Protocols: TCP/IP, HTTP/HTTPS, ftp, sftp, telnet, SSH, VLAN, Nortel Switches, CISCO switches

Alerting Technologies: BMC Remedy, Remedy 7, Nagios

Shell Scripting: Korn, Bash

Virtualization & High Availability: XEN, VMware, VIOS, LPAR, HACMP, DRBD, Pacemaker

Databases: DB2, Informix 9/10/11, Oracle 7/8, SQL Server 6.5/7

Programming Languages: C/C++, HTML, XML, COBOL, FORTRAN

Other Tools: Tivoli Performance Viewer, VERITAS Volume Manager, putty, MS Word, MS Excel, MS Visio, MS Project, MS access

PROFESSIONAL EXPERIENCE

Confidential, San Francisco, CA

UNIX/Linux System Administrator

Responsibilities:

• 生产支持6000+服务器与SuSE Linux企业服务器和IBM硬件.
• Working with DRBD and Pacemaker cluster tools.
• Configuring and supporting virtual servers by using Xen hypervisor.
• 用Vormetric加密软件对Linux中的文件系统和原始设备进行加密, register and unregister to the appliances for encryption and decryption.
• Configuration, 在Linux环境下使用pacemaker实现和管理集群服务器.
• Configuring, Maintaining of NAS and SAN storage.
• Working for migrations Linux physical to virtual, virtual to virtual.
• Working on AIX to Linux conversions.
• Migrating data between storage arrays and internal and external disk.
• 在Linux服务器中添加存储和创建原始设备，用于配置数据库Informix和oracle.
• 解决与操作系统和管理程序相关的虚拟和物理网络问题.
• 解决了起搏器集群中的STONITH错误，并添加了触发STONITH的资源监视器.
• Managing servers in cluster after migrations through shell script.
• Involved in resolving Split-brain issues with DRBD, ensuring data security and enabling data replication.
• 通过BMC Remedy票据工具解决和创建与迁移、转换相关的票据.

Confidential, Plano, TX

UNIX System Administrator

Responsibilities:

• System administration, maintenance and support for 1600+ servers with Solaris, Linux and HP-UX Operating System.
• 根据操作标准(SDLC)设计、开发和实现应用程序.
• Developed automated solutions for product support that includes developing & managing the deployment architecture for the application.
• Configuration of LVM (Logical Volume Manager) to manage volume group, logical and physical partitions and importing new physical volumes.
• Patching of RHEL5 servers for EMC Powerpath Upgrade for VMAX migration.
• Creation of VMs, cloning and migrations of the VMs on VMware vSphere 5.0.
• 记录了安装和部署VMAX Migration和逻辑卷管理器的标准过程.
• Installation, configuration, support and security implementation on following services: DHCP, SSH, SCP.
• Managed and upgraded UNIX’s server services such as Bind DNS.
• Responsible for setting cron jobs on the servers.
• 配置和管理Web (Apache)， DHCP和FTP服务器在Linux和Solaris服务器.
• Configuration and administration of NFS and Samba in Linux.
• 维护和监控公司所有服务器的操作系统和应用程序补丁级别, disk space and memory usage, user activities on day-to-day basis.
• User administration on Sun Solaris and RHEL systems, HP-UX machines, management & archiving.
• Installations of HP Open view, monitoring tool, in more than 300 servers.
• 接听与客户咨询和投诉相关的电话，并提供解决方案.
• Worked with monitoring tools such as Nagios and HP Openview.
• Worked with DBA team for database performance issues, Linux / Unix服务器上的网络相关问题，以及硬件相关问题的供应商.
• Supported the backup environments running VERITAS Net Backup 6.5.
• 停用旧服务器，并使用库存列表跟踪停用和新服务器.
• Handling problems or requirements as per the ticket (Request Tracker) created.
• Participated in on-call rotation to provide 24X7 technical supports
• Maintaining the Remedy tool, which is ticketing tool, 审查票证复杂性，并根据他们的技术技能集将其分配给适当的技术SA.
• 检查票证描述，并根据复杂性将票证划分到不同的桶中
• Ensuring high and critical severity work is assigned immediately to senior & above resources
• Defining the batch process, 这将确保获得相同类型的票成一批并被分配给管理员有快速解决方案.
• Implementing hand off rules & 从一个班次到另一个班次记录相同的交接记录，以便更好地握手，确保正确的交接.
• 向池管理和调度主管报告每周调度效率指标
• Conduct analysis to improve metric performance continually
• Pull daily measurements for tracking performance and quality of the Pool
• 更新团队的视觉表现表，并向团队报告日常工作中关注的问题
• 随着时间的推移，衡量和细化复杂性和批处理规则的分割，以提高效率
• 与RDC上的所有调度程序和质量团队合作，标准化调度方法，以管理多个池并获得额外的规模.
• Coordinating across the levels in the pool from technical skill level and managers
• Actively participating in continual improvement from process standpoint.
• Contribute to defect prevention activities in the pool (in coordination with DA's)
• 主持每日泳池会议，提出问题/关注/想法/倡议/重点/赞赏
• 从调度组件的角度支持标准评估期间的池
• Conduct dispatch watch & coach self-assessments and improve the score from the last review
• 确保所有文档都与版本历史同步更新，并将其保存在中心位置(如TR).

Confidential, Columbus,IN

UNIX System Administrator

Responsibilities:

• Level 2 UNIX System Administration for supporting Sun Solaris 9/10, RHEL 5, SUSE Linux 9/10 with VERITAS Volume Manager 4.1 and Windows 2003/2008 operating systems.
• Install, configure and troubleshoot Virtualization technologies such as XEN, Pacemaker, DRBD VMware, LPAR, and VIOS.
• Install and troubleshoot middleware applications such as IBM Websphere, MQSeries, AMQ, Weblogic, Apache, Geronimo, Message Broker and Connexus on UNIX servers.
• 使用Wire Shark技术监控系统CPU、内存和磁盘利用率以及网络统计信息.
• Implementing RAID 0, 1, 5 using VERITAS Volume Manager.
• Systems administration, maintenance and monitoring various day-to-day operations.
• Processes administration and management like monitoring, start/stop/kill various processes/sub process.
• 文件系统的管理和管理，如监控各种日志，文件系统的大小
• User administration and management like add change and delete.
• User profiles, security authorizations etc.
• Maintaining and changing file systems & disk assignments using meta disk
• Installation/Upgrade, System Startup & System Shutdown as needed.
• 使用nmon、iostat和vmstat监控系统性能参数并进行微调.
• Customized the user CDE environments and user profiles.
• Scheduled various regular, periodic, futures, queue tasks by using crontab, at.
• 解决了系统错误和崩溃，磁盘空间问题，巨大的文件大小，文件系统错误.
• Administration and trouble shooting skills on Disks & File Systems, Users & Groups.
• Documented various regular administrative tasks and backup procedures etc.
• Working knowledge in services like Rlogin, Telnet, FTP, X-Window System etc.
• Monitor bad user logins and unauthorized users.
• Created New Slices, New File Systems, Mounting File Systems, Unmounting File Systems and Huge Slices using Daisy Chains
• Install VERITAS clustering on WebSphere server.
• Perform FSCK on the corrupted file systems in AIX and Linux servers.
• Perform Nightly backups on UNIX (AIX/Linux) and Windows server using TSM V5.3/5.4.
• Write shell scripts (Korn, Perl, BASH) for automation purpose.
• Configure TCP/IP network for the public network and backup network.
• Work with LVM, Disk mirroring, RAID, Disaster Recovery on UNIX servers.
• Configure LUNs on NetApp and IBM DS3200 storage.
• 为所有门店提供全天候的远程传呼机轮转和三班制支持.
• 在Linux服务器上开发内部网站，并根据要求使用html编码创建/审查/更新文档.

Confidential

System Admin & Technical Support Executive

Responsibilities:

• Supporting users through email, on call and troubleshooting.
• Carry out regular routine preventative maintenance schedule on servers.
• 监控和分析服务器并解决任何问题，维护系统报告，调优
• Maintaining integrity of security with the use of group policies across domains.
• Creating and managing Organizational Units, Groups and users.
• Maintaining inventory of all components including systems and other hardware.
• 通过在File Server中创建特定的用户文件夹并对文件夹应用安全权限来维护用户的数据备份.
• Time to time dressing of the cables and patch cords.
• 维护网络上的所有活动组件，如交换机，集线器，防火墙，音频代码.
• Involved in Second level troubles shooting.