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System Administrator (linux/rhel, Centos, Oracle) Resume

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Indianapolis, IN

SUMMARY

  • 15+ years working experience in Administration of Linux (RedHat Linux, SUSE), Unix (Solaris & HPUX) and Windows (2003/2008/2012 ).
  • Experienced in Installing, configuring and administering RHEL Linux /4.0/5.x/6.x & SUSE Linux 9/10/11 running on Dell, IBM and HP x 86 Servers.
  • Experience in Application lifecycle management and various IT platforms: Enterprise Servers (HP, SUN, DELL), OS (UNIX, Linux, MS Windows), DBMS (MSSQL, Oracle, MySQL) and CISCO Networking.
  • Performed Servers consolidation and virtualization using VMware virtual infrastructure, VMware ESX, Virtual Center, VM tools.
  • Proficient in system administration and technology support.
  • Experience in network administration, deploying and troubleshooting of DNS, LDAP, NIS, NFS and DHCP etc.
  • Expertise in System performance tuning, capacity planning and Disaster Recovery planning.
  • Skilled in SQL, T - SQL, PL/SQL, C/C++ and UNIX Shell Scripting.
  • Good experience and understanding of SAN (SAN arrays; HITACHI, EMC) technology including zoning, disk creation on various systems, maintaining and configuring various fiber switches and storages.
  • Creative thinking and troubleshooting, strong organization and management skills, and demonstrated ability to work on multiple projects simultaneously.
  • A great team player, quick learner, highly self-motivated, efficient and responsible.
  • Excellent communication, interpersonal and documentation skills.

TECHNICAL SKILLS

Operating Systems: Redhat Linux/RHEL 4/5/6, CentOS, Solaris, VMWare ESX 3/4/5, SUSE, Ubuntu, Windows (2003 & 2008, 2012 server).

Hardware: HP Proliant DL 360, 380 G3, G4, G57 G6, HP Blade Centers C6000, C7000, HP 9000 series Servers, SunUltra Enterprise Servers (E3500,E4500)

Networking: DNS, DHCP, NFS, FTP, NIS, Samba, LDAP, Open LDAP, SSHCISCO Switch/Router, Postfix

Virtualization: VMware infrastructure client, workstation, Linux virtualization, VMware vSphere EXSi

Tools: Opsware tool, Nagios and VERITAS Netbackup 3.5/4.0/5.1 and 6.5Lagato Netbackup, MS Project, RPM, Apt-Get, MS Excel, Remedy, Webportals, Sharepoint, YUM, CA Unicenter TNG, Log4j, Symantec Backup Exec

Web App Server: Apache, Tomcat, Jboss

Languages: Shell, Bash, Perl

Database: Oracle, MS SQL Server, MySQL, Hadoop databases

Cluster Services: RedHat Cluster Suite, MSSQL Server 2012 Failover Cluster

PROFESSIONAL EXPERIENCE

Confidential, Indianapolis, IN

System Administrator (Linux/RHEL, CentOS, Oracle)

Responsibilities:

  • Maintained and troubleshoot 200 RHEL Linux Servers.
  • Installed and configured Linux/CentOS and Oracle Servers.
  • Migrated VMware vSphere EXSi 4.0 virtual machines.
  • Installed and setup VMs and VCenter to support various requirements from the clients
  • Involved in managing virtual Redhat Linux servers on VMware ESXI4/5.
  • Monitored Linux Servers with Opsview.
  • Set up and troubleshoot LOG Server, Log4j.
  • Installing, configuring, and administering DNS, NFS, NIS, Mail servers, FTP servers RPM servers, YUM, APT-GET.
  • Maintained and configured LOG Server and Opsview Server.
  • Maintained and troubleshoot Tomcat applications.

Confidential, Indianapolis, IN

System Administrator (Linux/RHEL, Windows, Oracle, MSSQL, MySQL)

Responsibilities:

  • Designed and Implemented solution for Oracle and RedHat Enterprise Linux (RHEL) System Migration.
  • Installed and configured VMware vSphere EXSi 5.5 host and virtual machines.
  • Installed a Hadoop Server and Postfix MTA server on Linux/CentOS.
  • Maintained and troubleshoot RHEL Servers for DNS, YUM, FTP, RPM, SFTP, APT-GET, Send mail, Mailman and so on.
  • Installed MSSQL Server 2012 Failover Cluster with two MS Windows 2012 nodes, Domain Controller, DNS, IIS and Network Load Balancing Cluster.
  • Set up Moodle Learning Management System on MS Windows 2008 R2 Server, MS SQL Server 2008, Apache and PHP.
  • Installed and configured Track-IT and ePO on Windows Server 2008 R2 Enterprise and MS SQL 2008.
  • Maintained and troubleshoot for DELL Appassure5 and Symantec Backup Exec backup servers.
  • Provided technical support for Dell KACE K1000 and K2000, and trained other IT support staffs.

Confidential

Systems Analyst III

Responsibilities:

  • Solution Architecture
  • Provided technical leadership and solution architecture, improved IT infrastructure value to achieve health research business objectives and successful project delivery.
  • Collaborated with research scientists, vendors and IT strategy team to ensure technology solutions were consistent with business requirements and to maximize cross-functional alignment.
  • Evaluated exiting assets and estimated business value to support the development of a business case for technology investment.
  • Designed and constructed high performance and low cost integrated platforms to meet business requirements and saved hundred thousand dollars in IT infrastructure investment, including MSSQL central database server, project based file server, archive server, VM servers, research project Data Dictionary and key application servers.
  • Developed and executed standardized procedures for effective project implementation.
  • Led security strategy development and performance optimization.
  • Server Administration
  • Performed all administrator functions to manage and maintain the all department servers.
  • Maintained 14 servers (MS Windows, RedHat Linux and Solaris) for a variety of applications (MSSQL, FS, VM, RPM, SAS, STATA, YUM, R, Subversion, APT-GET, LAMP/IIS, TeleFrom, Freezerworks and CPAC&OPAL).
  • Build servers, configured, installed tools, installed patches and transitioned servers to production support running Redhat Linux (Redhat on HP & Dell X86 HW.
  • Installed and configured new hardware and software.
  • Applied Operating System updates, patches and configuration changes.
  • Monitored, tuned and optimized server performance.
  • Analyzed system logs and identified potential issues.
  • Managed user accounts.
  • Database Administration
  • Maintained 9 database systems (MSSQL, MySQL, and Oracle) in the department.
  • Executed database system installation, configuration, and update.
  • Maintained database and ensured availability to users.
  • Managed database users and secured database.
  • Monitored and optimized database performance.
  • Backup and recovered database and transferred data.
  • Client Service and Leadership
  • Managed software development life cycle, including business requirement analysis, evaluation, design, construct, support, optimization and retirement.
  • Implemented and optimized practical guidelines regarding data security and related software and hardware, and generated system documents.
  • Mentored and trained junior IT team members; provided high level technical support and training to users in responding to help desk requests.

Confidential

Senior System Analyst, Architect (UNIX, Windows, Oracle)

Responsibilities:

  • Provided technical leadership and project management for infrastructure architecture to achieve successful business development and strategy execution.
  • Contributed to solution analysis and system architecture, including analysis, design, planning, data integration, interfaces and implementation.
  • Worked with business partners, vendors and IT strategy team to align technology solutions with business requirements.
  • Worked as a project leader to develop Telecom Service Integrated Management System (TSIMS) to improve telecom service operation and management. Achieved data sharing and highly automatic telecom service on a unified computer network platform. Saved company millions dollars in business processes and data management per year.
  • Participated in the development of Telecom Network Management System (TNMS) to achieve remote centre management and real-time monitoring of Telecom Switching Exchanger Systems. Saved company millions dollars in data collection and troubleshooting.
  • Constructed an Enterprise Integrated Network (EIN) platform to improve enterprise network performance.
  • Generated project documentation; trained team members and operators.

Confidential

System Administrator (UNIX, ORACLE and Windows) / Programmer

Responsibilities:

  • Provided technical support and system administration.
  • Installed, configured, tested and administrated system hardware and software.
  • Developed and implemented backup and recovery strategies.
  • Designed programs using C, Pro*C, PL/SQL and Oracle Developer 2000.

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