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Unix / Linux Lead Systems Administrator Resume

Houston, TX

SUMMARY:

  • Professional Systems Engineer dedicated to superior IT support, development, and maintenance offers 20+ years of systems, network and security experience. Proven ability to build strong relationships and maintain client satisfaction amidst challenging and fast - paced environments. Always seeking new ways to evolve and advance my skill set with cutting edge technologies.
  • Adept with installations, support, and maintenance of both software and hardware.
  • Proficient in enterprise level client/server software applications and environments.
  • Vast knowledge of IT infrastructure and design using UNIX, Linux and Windows including virtualization.

PROFESSIONAL EXPERIENCE:

Confidential, Houston, TX

UNIX / Linux Lead Systems Administrator

  • Facilitate new server builds including RHEL 6 and 7, CentOS 6 and 7, SUSE EL 11 and HP-UX 11.31 on HPE ProLiant BL and DL series servers
  • Configure physical and virtual machines, including VMware 5.x, 6.x guests and HP Integrity Virtual Machine hosts and guests
  • Service Guard cluster installation and configuration for stand alone, local and site-to-site clusters including Oracle RAC
  • SAP and Oracle pre-installation scripts and packages
  • Patching production RHEL 6 & 7 and HP-UX 11.31 servers including kernel updates
  • Storage volume creation and configuration using Veritas Volume Manager
  • Troubleshoot issues with UNIX / Linux install scripts
  • Co-ordinate application server installs on multiple servers with all build team members
  • Train other employees on both UNIX / Linux administration as well as Confidential, Confidential and Hewlett Packard Inc. policies and procedures
  • Migrate existing servers to new networks and/or domains.
  • Resolve network, software and hardware issues with newly built servers
  • Communicate with other teams to improve the build process and flow
  • Review server build requests for technical and functional correctness before passing on to the build team

Confidential, Houston, TX

Senior Data Center Administrator

  • Installation, configuration, support and upgrades of Windows Enterprise Servers on HP ProLiant G1 - Gen 9 Servers
  • Mentor and assist other Administrators on IT, Windows and hardware tasks
  • Installation and upgrades of HP ProLiant Gen 8 & 9 blade servers as well as C7000 Blade chassis
  • Troubleshoot data center issues including network and fiber connectivity, SFP linkage, hardware failures, RAID controller configurations, operating system functionality, RDP connections, power and electrical and cooling systems
  • Installation of Server racks, network and backbone switches and network appliances
  • Semi-annual inventory of all major data centers in the Houston Area as well as remote sites
  • Cable installation and removal
  • Decommission of end of life systems
  • Facilitate emergency evacuation procedures for co-workers in floor and fire warden role

Confidential, Houston, TX

UNIX Systems Administrator

  • Provide 3rd level HP-UX and Red Hat Enterprise Linux 6 - 7 System Administration and Support for ALL internal HP Systems and infrastructure on an Enterprise level world wide
  • Work with Incident Management Team in the Primary HP Command Center handling platform issues related to HP-UX and RHEL: printing, user administration including LDAP authentication, network connectivity (DNS, LDAP, SSH, SFTP, Routing), hardware, file systems (NFS, ext4, swap, SAMBA) storage (SAN, Veritas Volume Manager), applications (Oracle, MySQL, SAP, In House software), virtualization (VMware and HP Integrity Virtual Machine) and site to site clustered environments (HP Service Guard and Veritas Cluster Manager)
  • Web Server Administration and support on HP-UX and RHEL using Apache, Tomcat, Oracle WebLogic and JBoss.
  • Supported HP RX, Integrity Nonstop, DL and BL series servers, C7000 enclosures and HP ILO version 1 - 3 service processors
  • Train employees worldwide on HP-UX and Linux platform support
  • Collaborate with other teams to design more efficient ways of doing business
  • Prepare and update support documentation for the HP Business Critical Systems UNIX teams

Confidential, Austin, TX

Data Center Administrator

  • Red Hat Enterprise Linux version 4, 5, 6 troubleshooting, administration, installations and backups
  • Windows Server 2003 and 2008 functionality support including SAN and network connectivity
  • Installation, setup, configuration, support and troubleshooting infrastructure at AMD’s primary data center including HP BL & DL servers, C7000 Enclosures, Dell Power Edge and IBM eServers
  • Hardware upgrades including processors, memory, hard drives and peripheral I/O cards
  • Document IT procedures and policies; maintain Team SharePoint site content from the back end
  • Train Interns on data center operations and support
  • Backup Tape Library (Qualstar XLS) operations and configuration using Symantec NetBackup 6 and Commvault Simpana 9

Confidential, Austin, TX

Data Center Administrator / Software Support Analyst

  • HP-UX 11i, AIX 6, Solaris 10 and Red Hat Enterprise Linux 5 Administration, file system configuration, OS installation and single sign on LDAP authentication with Active Directory
  • Windows NT-2008 Administration, security and networking
  • Maintained, backed up, secured, configured and planned migration of 200+ server data center including HP RX series servers, Sun Enterprise compatible systems, Dell workstations and Power Edge Servers, NetApp Filer and Cisco Routers and Firewalls
  • Configured NFS mounts to NetApp Filer as well as Solaris and HP-UX servers, including the automounter in conjunction with NIS authentication
  • Web server support for Apache, Tomcat and IBM WebSphere
  • Enterprise level installation, troubleshooting and support of production applications
  • Maintained support team and external customer documentation SharePoint sites including user administration, file permissions and content
  • Coordinate various IT services groups for networking, security and data integrity
  • Ensure and verify production environment meets and stays PCI, PDASS and SOX compliant
  • Generate and implement change management procedures and policies
  • Create technical instruction guides for support and collaborate on business application manuals

Confidential, Austin, TX

Senior Systems Administrator

  • Red Hat Enterprise Linux 2.x, 3.x and Solaris 7-9 administration, troubleshooting, installation and configuration
  • Technical Lead for Microsoft NT, 2000 and 2003 network, Active Directory server administration
  • Samba and Services for UNIX configuration for two-way access between Microsoft and UNIX
  • Enterprise wide internal client software and hardware support on Compaq / HP ProLiant DL and SUN Microsystems E series servers
  • Network Administration using Cisco Catalyst 2000 and 3000 series switches, 7000 series routers, Extreme Network Summit Enterprise backbone switch with Layer 3 configuration, F5 Big IP and 3DNS network appliances, Bluecoat web proxy, Cisco Intrusion Detection System
  • Planned, designed, configured, cabled and set up replacement production data center
  • Moved production data center to new intracity facilities with no down time; assisted in ALL aspects of the move
  • Delivered technology orientation for all employees; authored 1st Level Client support user manual
  • Setup employees for telecommuting both locally and nationwide using Cisco VPN and Aironet Wi-Fi with RRAS services using RADIUS authentication

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