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