We provide IT Staff Augmentation Services!

Sr. System Administrator Resume

3.00/5 (Submit Your Rating)

SUMMARY

  • Seasoned Senior Systems Engineer with over 10 years of experience in RHEL 5/6/7/8 with Chef Automation and PoC experience with RHEL Satellite.
  • Extensive experience in end - to-end server builds on VMware vSphere and HP/DELL standalone servers.
  • Effectively plan, install, configure and optimize IT infrastructures to achieve high availability and performance.
  • Proven ability to create and deliver solutions tied to business growth, organizational development and systems/network optimization.
  • Skilled problem identifier and troubleshooter comfortable managing systems, projects and teams in a range of IT environments.

TECHNICAL SKILLS

Operating Systems: Red Hat Enterprise Linux 5/6/7, AIX 5/6/7, Ubuntu, Fedora, Windows Server

Virtualization: ESXi 5/6, VIOS, KVM

Configuration Management: Ansible, Chef

DevOps Tools: Dockers, Jenkins (CI)

Monitoring/Logging: IBM Tivoli, Nagios

Version Control Tools: GIT, GitHub

Web Servers: Apache Tomcat, WebSphere, nginx

Languages/Scripts: Bash Shell, Korn Shell, Python, Awk, Sed

SDLC: Agile, Scrum

Technologies: DNS, NIS, LDAP, FTP, SSL, SSH, HTTPS, SFTP, TFTP, NFS, NAS, SAN

Cloud Platform: AWS, OpenStack

PROFESSIONAL EXPERIENCE

Sr. System Administrator

Confidential

Responsibilities:

  • Installed, Configured, Managed, administrated all UNIX/LINUX servers, includes the design and selection of relevant hardware to Support the installation/upgrades of Red Hat (5/6/7), Solaris 8/9/10 operating systems.
  • Scanning the newly assigned LUNs to the serves and assigning them to volume group and creating file systems using Logical Volume Manager (LVM).
  • Installed Chef Server Enterprise on premise/workstation/bootstrapped the nodes using knife and automated by testing Chef recipes/cookbooks with test-kitchen/chef spec.
  • Extensive experience in configuring and building RHEL 5/6 servers using Kick start.
  • Extensive experience in User Administration with creating users, groups, and giving permissions.
  • Installing and managing packages using command line utility using RPM and YUM
  • Performing servers’ consolidation and virtualization using VMware virtual infrastructure, VMware ESX, up gradation of VMware tools.
  • Configured Oracle ASM RAC ONE Cluster disks and by synchronizing the EMCPOWER devices between two cluster nodes.
  • Installed and configured GPFS to distribute and manage data across multiple servers.
  • Adding storage to the cluster disks and increasing/ decreasing the file system in RHEL.
  • Upgrading HP ILO & BIOS Firmware as HP recommendation regularly on HP servers
  • Administration and support of homogeneous production and development server infrastructure of multiple flavors of Linux.

Linux Administrator

Confidential

Responsibilities:

  • Installation of Red Hat Linux Enterprise Server 5/6 on Dell and HP x86 HW.
  • Performed automated installations of Operating System using kickstart for Red Hat Enterprise Linux 5/6.
  • Responsible for Installation, Configuration Management, Maintenance and Systems Development of Linux Systems.
  • Day-to-day administration on Red Hat Servers, which includes Installation, upgrade and loading patches.
  • Configured logical volumes using logical volume manager (LVM) and also configured mirroring.
  • Worked on setting up SSH SCP, SFTP connectivity between UNIX hosts.

Linux Administrator

Confidential

Responsibilities:

  • Perform Unix system administration (adding users, setting up the security of users, creating, mounting and maintaining file systems, and managing related file system security).
  • Drive the bridge calls to facilitate business critical systems outages by performing administrator functions.
  • Participate in Change Management and troubleshoot management.
  • Preparing the task plans for change activities and drive the task plan review calls with different teams like development and operations.
  • Daily, weekly and monthly deployments of application packages into the application server (web logic) on SUN, HP, IBM platforms of production servers.
  • Interact with various groups like Application Production support, Networking, Security, Storage system groups to maintain high availability and business continuance.
  • Install OS level patching for upgrade and maintenance during the change activity.

We'd love your feedback!