Senior Linux Administrator Resume
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PROFESSIONAL EXPERIENCE:
SENIOR LINUX ADMINISTRATOR
Confidential
Responsibilities:
- Responsibilities to include troubleshooting of LINUX servers virtual/physical (UCS), monthly/quarterly patching via RedHat Satellite, using Ansible automation mostly throug Confidential creating playbooks or teh use of ad - hoc commands, handling of calls, working wit Confidential middleware/app teams, working wit Confidential vendors in regards to any performance issues. Projects me have been tasked wit Confidential below:
- Providing and implementing a solution for LINUX patching. Suggested and implemented RedHat Satellite 6.2 and currently manage this environment.
- Implemented and created a production Ansible server for automation for patching and other system administration tasks.
- Creating/testing and placing Ansible playbooks into cron jobs for automation purposes for reporting and updating LINUX security patching
- Adding SNMP software/packages working wit Confidential services, enabling, starting/stopping services and creating SNMP user. me have an Ansible playbook Confidential efined for new installs
SENIOR SYSTEMS ADMINISTRATOR
Confidential
Responsibilities:
- Confidential aily tasks include performance monitoring, file systems, users and groups, file permissions, process management, updating software packages, creating/mounting filesystems (LVM) service management, boot troubleshooting, network configuration, system logging, NTP, cron, NFS and virtualization (VMware)
- Performed server and network troubleshooting by partnering wit Confidential our network engineers, support team and training other engineers
- Use of iDRAC/ILO/KVM to minimize operation staff Confidential own time to access console and hardware management for physical servers.
- Resolve storage space issues to include cleaning up files, compressing/moving files, adding additional Confidential isk space, windows Confidential isk management, LVM or VMware vSphere
- Creating VM guests via template, clone or from scratc Confidential minimizing time taken to go throug Confidential implementation teams so guests are up and running in a timely matter. Creating snapshot of guests but to make sure they are not used for backup purposes and Confidential eleted and not kept later TEMPthan 72 hours for testing purposes.
- Allocating resources to VM guests upon client request. (CPU, Memory, Confidential isk Space)
- Troubleshooting VMware environments using vCenter across clusters working wit Confidential ESXi hosts, Confidential stores, VM guests while checking performance issues and troubleshooting via event tasks/event logs along wit Confidential configuration files and services.
- Troubleshooting across Confidential ifferent operating system environments to investigate security, event, system, application logs and services.
- Work wit Confidential CA Nimsoft monitoring and also ScienceLogic monitoring investigate and troubleshoot alerts Confidential ue to CPU, memory, Confidential isk space, SNMP, ICMP and services along wit Confidential hardware alerts.
- Work Confidential irectly wit Confidential vendors and Confidential CO team to resolve security patc Confidential issues and hardware issues resulting in cost savings and potential Confidential owntime
- Working wit Confidential ServiceNow for ticket tracking and change management processes (Incidents/Requests/Changes)
SENIOR LINUX ADMINISTRATOR PEER
Confidential, Atlanta GA
Responsibilities:
- Managed and resolved incident tickets opened by clients as well as those logged by event monitoring
- Provided assistance and Confidential ocumentation whic Confidential allowed teh 24/7 operations Confidential epartment to troubleshoot and correct problems wifout needing to page other employees
- Provisioning servers from VMWare vCenter and install Redhat, CentOS and Ubuntu OS on teh servers
SENIOR SYSTEMS ADMINISTRATOR
Confidential
Responsibilities:
- Support for UNIX/LINUX servers whic Confidential included monitoring, troubleshooting, user/group administration, permissions, installing software, patching and critical outage support. Confidential iagnostics performed to track system critical issues whic Confidential might include hardware issues to contact vendor to replace hardware and work wit Confidential CO team
- Proactively maintaining servers to prevent unnecessary Confidential owntime
- Support and train other engineers
- HP OpenView monitoring for systems to Confidential eal wit Confidential alerts, thresholds, maintenance mode and obtaining performance reports.
- Kernel updates/tuning for application/oracle Confidential bases.
- Configured LVM to manage volume group, logical and physical partitions and importing new physical volumes to include creating filesystems
- 24x7 on call pager support
- Responsible for maintaining launc Confidential and release Confidential evices on F-15E Strike Eagle, To ensure that explosive Confidential evices can be accurately Confidential elivered from testing and evaluating new weapons systems to loading ordnance. Professional to make sure that when a pilot pulls teh trigger, teh Confidential evices successfully launc Confidential away from teh aircraft toward teh target.
- Armament System Specialist assisted wit Confidential teh uploading/ Confidential ownloading of munitions on F15-E fighter plane. Troubleshooting problems regarding teh munitions systems suc Confidential as bomb racks and test equipment for cockpit tests on release of bombs and missiles
- TEMPEffectively maintained quick and precise safety implementations working around explosive materials. Worked in a timely and efficient manner under any weather or warfare conditions
- Finished career as an E-4 (SRA) wit Confidential teh Air Force after 4 years wit Confidential an honorable Confidential ischarge and medal for good conduct. Copy of Confidential D form 214 can be furnished upon request
TECHNICAL SKILLS:
- LINUX &ndas Confidential ; RHEL, CentOS, Oracle LINUX
- Ansible Automation
- VMware, vSphere iDRAC/ILO/KVM
- RedHat Satellite Patching/Updates
- Remedy ticketing/change mgmt
- ServiceNow ticketing/change mgm