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Unix Administrator Resume

PROFESSIONAL SUMMARY:

  • Trained and certified technical professional with over 5 years of experience in the general administration of enterprise Solaris 10, 11, Linux and HP - UX server systems.
  • Experience with Unix/Linux systems troubleshooting, performance, monitoring and tuning.
  • Experience with virtualization: Oracle VMs (LDOMS & Zones) configurationinstallation and administration
  • Well experienced in the management of system services, software and storage on various file systems including ZFS, LVM, UFS and VxFS.
  • Expert at servicing and the maintenance of various Oracle, HP and Dell server hardware.
  • Excellent oral and written communication skills.
  • Experience with packages and patch administration.
  • Experience with User account management.
  • Excellent customer relations.
  • Experience in network and interface configurations including knowledge of network and storage switches ( Cisco 5ks, 7ks and 9ks; Brocade 5100) and firewall
  • Highly self-motivated and directed.
  • Keen attention to detail.
  • Ability to work well independently and in team settings.
  • Experience with Role Based Access Control and Systems Security Administration.

TECHNICAL SKILLS:

OPERATING SYSTEMS:

UNIX: Oracle SOLARIS 9/10/11, HP-UX 11i

Linux: RHEL 6.x, SUSE SLES 11, Ubuntu 13/14

SERVER HARDWARE:

SUN/Oracle: T6320, T3/4/5-1B, T4-4, T5-2, T5-4, M5000, M8000, SUN BLADE 6000 (chassis), S7-2L

HP ProLiant: DL380, DL580, DL980, BL460c, BL480c, BL680c.

Others: SMF system utilities, vi editor, Role Based Access Control, Systems, Security Administration, Symantec professional services, Oracle, TCP/IPAutoFs, NFS, DNS, NIS, LDAP, Veritas clustering.

PROFESSIONAL EXPERIENCE:

UNIX ADMINISTRATOR

Confidential

Responsibilities:

  • Maintain ISE user accounts and access
  • Performing system installations and replacing defective hardware.
  • Apply OS patches and updates to QA and PRODUCTION environments
  • Apply baseline security settings in accordance with Confidential 804 and Confidential IT Security requirements
  • Maintain server system performance, monitoring and troubleshooting
  • Perform file system permissions management
  • Fulfill storage requirements for filesystems
  • Implement, configure, schedule, and maintain the NISP Tape NetBackup System
  • Implement projects as assigned
  • Perform scanning and address vulnerabilities to conform with FISMA requirements and CIS benchmarks
  • Server builds
  • Rack/stack and break/fix of servers and storage systems.

UNIX Systems Administrator

Confidential, Bethesda, MD

Responsibilities:

  • Accounts management and managing and monitoring server resources (memory, disk space, CPU utilization).
  • Performing software package and system patch installation.
  • Performing system installations and replacing defective hardware.
  • Also, provisioning SAN storage space on Hitachi, 3PAR and HP SANs.
  • Extensive use of Oracle Ops Center 12c for server patching and provisioning.
  • Environment is partially virtualized using LDOMs and Zones and RHEL 6 and RHEL 7 running on VMware servers.
  • Performed several SUN/Oracle server hardware installation
  • Performed numerous bare-metal OS installations and post build configuration tasks.
  • Performed numerous large projects requiring coordination with different teams: firewall, storage, networking and system admins.
  • Performed numerous SAN related activates: SAN switch installations, FC cable runs, SAN LUNs provisioning, OS configuration to enable redundancy of SAN storage presented.
  • Experience on SAN solutions from Hitachi, HP and EMC.
  • Researched and developed server solutions, physical and virtual, depending on customer and application vendor recommendation
  • Build, configured and routinely performed resource (CPU, memory, disk) changes on LDOM servers.
  • Researched and performed numerous P2V transitions, transitioning servers off legacy SUN hardware to LDOMs on newer, faster SUN/Oracle hardware (T4/T5 series).
  • Performed enterprise level projects requiring the justification of hardware purchase and created relevant documentation.
  • Performed server file level restores using TSM and full system restores using Solaris Flash Archive (FLAR).
  • Execute routine server patching and firmware updates.

SOLARIS SYSTEMS ADMINISTRATOR

Confidential, COLORADO SPRINGS, CO

Responsibilities:

  • Responsible for the installation, configuration, patching, upgrades, maintenance and troubleshooting of server hardware, UNIX/solaris10 operating systems, storagesoftware and utilities in a large enterprise environment (2000+ servers).
  • Additional responsibilities included user account management, performance monitoring/tuning and backup/ disaster recovery.
  • Position included rotating on-call support and following the change management process to maintain 24/7 business critical systems overnight (maintenance window).
  • Rack/stack and break/fix of servers and storage systems.
  • Configuring, installing and maintaining Solaris jumpstart environment
  • Performed administration and monitored job processes using associated commands.
  • Monitored client disk quotas and general disk space usage.
  • Installed, configured and tested software packages.
  • Established and maintained user accounts, assigned file permissions and established password and account policies.
  • Introduced new servers to the network. Maintaining and troubleshooting network connectivity.
  • Applied kernel patches as needed
  • Granted and restricted sudo rights and systems security.
  • File management and NFS shares of directories
  • Configured, installed and administered Zones.
  • Setup ZFS quotas, reservation, mountpoints and user mountpoints.
  • Use SMF system utilities and perform resource management on installed zones.
  • Working knowledge of Veritas v6 and SUN volume manager including RAID on Solaris platforms and maintained Veritas file system.
  • Support system users and troubleshooting system issues. Solutions are documented for future .
  • Maintain system accounting files and logs and systems error logs.
  • Used Vi editor to edit necessary configuration files.
  • Experience in network and interface configurations including knowledge of switches and firewalls; Cisco Nexus switches and checkpoint firewalls
  • Experience with Remedy ticketing system
  • Install and maintain operating systems and related software products.
  • Create flash archive/images of Oracle Solaris 10 servers. In corporate flash archives into jumpstart / Wanboot for server backup and restoration.
  • Knowledge of SMF (service management facility) Solaris 10/11.
  • Responsible for d Confidential management using native Solaris utilities for archiving, compression backup and restore.
  • Working knowledge of EMC and SAN storage.
  • Monitored TCP/IP network environment.
  • Conducted hardware and software inventory.
  • Customized user environment for users. Troubleshot user logins using various remote login utilities.
  • Maintain Solaris and Linux servers, evaluate needs and install appropriate recommended patches as needed.
  • Granted and restricted sudo rights to user accounts, as needed.

UNIX ADMINISTRATOR

Confidential, Herndon, VA

Responsibilities:

  • Performed operating system installations and upgrades.
  • Monitored TCP/IP network environment.
  • Conducted hardware and software inventory.
  • Customized user environment for users. Troubleshot user logins using various remote login utilities.
  • Maintain Solaris and Linux servers, evaluate needs and install appropriate recommended patches as needed.
  • Granted and restricted sudo rights to user accounts, as needed.
  • Performed administration and monitored job processes using associated commands.
  • Monitored client disk quotas and general disk space usage.
  • Introduced new servers to the network. Maintained and provided troubleshooting for network connectivity.
  • Scheduled cron jobs.
  • Setup ZFS quotas, reservation and NFS-share of directories.
  • Use SMF system utilities and perform resource management on installed zones

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