Sr. Linux Systems Administrator Resume
5.00/5 (Submit Your Rating)
Radnor, PA
SUMMARY
- Over 20 years of experience as a UNIX & Linux System Admin supporting prod/dev/test eCommerce, EDI, Data Warehouse, SAP, Oracle, SQL, ETL, WebSphere, Informatica, SAS and miscellaneous application environments and their respective database engineering, application engineering and client teams.
- Experience installing, configuring & maintaining UNIX & Linux enterprise servers hosted on UCS hardware and managed via UCS Manager and VMware to include troubleshooting hardware, software, user & network outages, as well as, file system management, system performance, kernel parameter updates, virtualization, shell/bash scripting, file permissions, user management, patching, third - party software installs, server and SAN migrations.
- Extensive experience with Shell/Bash Scripting, Disaster Recovery, Change Management and SOX compliance.
TECHNICAL SKILLS
- RedHat Linux 7.x, 6.x, 5.x and Oracle Linux 7.x, 6.x, 5.x,
- HP-UX 11.x & 10.x and familiarity with AIX 6.1.
- Cisco UCS B200 M4, B420 M3, C220 M3S/M4S, HP Proliant DL580 G5 & DL360 G7.
- HP SuperDome (nPar/vPar), Keystone (nPar/vPar), V-class, N-class (nPar/vPar), L-class,
- K-class & D-class, ProLiant DL580 (G5/G4/G3), DL380 (G4/G3).
- Familiarity with EMC Symmetrix, CLARiiON and Celerra storage arrays.
- UCS Manager, VM vSphere Client, VMware ESXi 6.5 & 6, LVM, Shell/Bash Scripting, vMotion, VM Snapshot, VM Clone, SFTP, FTP, NFS, ssh, scp, rsync, KVM, telnet, NTP,
- EMC PowerPath, Nagios, Glance, PerfView, Remedy, Tivoli Storage Manager (TSM backup solution), Centrify, Netbackup, Ignite-UX.
PROFESSIONAL EXPERIENCE
Sr. Linux Systems Administrator
Confidential, Radnor, PA
Responsibilities:
- Provide 24x7 support for 300+ virtual & physical servers running RedHat & Oracle 7.x & 6.x hosted on UCS hardware and managed via UCS Manager & VMware while adhering to stringent Change Management compliance guidelines.
- Troubleshoot hardware, software, user & network outages, as part of a team of 2, consisting of 300+ Linux servers.
- Planned & executed migration of 40+ Linux servers using vmotion to a new data center on new VLANs.
- Responsible for OS installations; system security; file system integrity; network accessibility; partitioning disks (local and SAN attached disks) using Logical Volume Manager; creating and extending file systems (ext2, ext3, ext4, xfs & swap), configuring network interface cards; modifying kernel parameters; applying OS patches quarterly and managing user accounts locally and with Centrify. All system modifications are documented using Change Management rules and procedures.
- Responsible for installing RPMs, patches, upgraded OS kernel versions and applications as required.
- Create standard system administration practices and procedural documentation.
- Wrote scripts to create online sitebooks, DR documentation & OS and HW discovery; cleanup scripts; check CPU & RAM utilization; check printer health; post-patch checks; java version check & remediation; install software; etc.
- Create & maintain a notes library of problem/resolution documentation and a miscellaneous software repository.
Sr. UNIX Systems Administrator
Confidential, NJ
Responsibilities:
- Provide Tier 3 support for UNIX & Linux Engineers supporting HP-UX, RedHat Linux and Solaris environments.
- Responsible for creating standard system administration practices, procedural documentation and interviewing.
- Planned & executed the Disaster Recovery effort of the Blockbuster Solaris environment.
- Wrote discovery script to gather OS, model, RAM, CPU, etc on AIX, HP-UX, RedHat, Solaris and SuSE.