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System Administrator Resume

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PROFESSIONAL SUMMARY:

  • A determined, solution oriented and hardworking professional with 5 years’ experience as a UNIX/LINUX System Administrator in particular and more than 10 years of experience as an Information Technology professional in general.
  • Extensive Problem Solving experience around resolving Hardware and Software related issues
  • In depth knowledge of Red Hat Linux Operating System.
  • Highly proficient in Unix & Linux Administration that includes
  • Users & Access Rights Management.
  • Unix/Linux and Windows Operation System Installations.
  • Proactively maintaining and developing all Unix/Linux infrastructure technology.
  • Space Management on Unix & Linux
  • Disk Mount & Un - mount.
  • Directories and files cleanup.
  • Defining roll-off policies and performing roll-offs.
  • File compression (Tar & GZIP).
  • Creating & Managing directories.
  • Proactively monitoring system performance and capacity planning.
  • Fault finding and analysis of logging information for reporting of performance exceptions.
  • Backup & Restore of Unix & Linux Systems.
  • Managing, coordinating and implementing software upgrades, patches and hot fixes on Unix/Linux Servers.
  • Creating and modifying scripts or applications to perform tasks
  • Provide support for the Production Environments and non-production Unix Environments
  • Respond to all Incident and Service Requests
  • Create and deploy Operating System patches and patching bundles for all UNIX Operating OS
  • Configuring and managing periodic system backups
  • Administration of Physical & Logical server Partitions(LPAR)
  • Carry out scheduled server maintenance / reboot activities
  • Liaise with Third party providers/Vendors and track and close issues raised with them in case of troubleshooting that involves third party teams
  • Logical / physical Partition management for different UNIX platforms
  • Participating in capacity planning
  • Unix & Linux Security Management.
  • Performance tuning and Optimization to ensure high availability of infrastructure.
  • Maintain best practices on managing systems and services across all environments.
  • Strong Problem solving and Communication skills.
  • Collaborate with other teams and team members to develop automation strategies and deployment processes.
  • Experienced with Linux Servers in Virtualized Environments.
  • Hands on experience on setting up VMWare.
  • Familiarity with load balancing firewalls, etc.
  • Design and develop Infrastructure Monitoring and Reporting tools.
  • Solid knowledge of protocols such as DNS, HTTP, LDAP, SMTP and SNMP.
  • Effectively managed SLAs and OLAs on various accounts.
  • Good knowledge around Windows 8 and 16 Server Administration.
  • Good Knowledge around Windows NT Administration.
  • Desktop support that includes
  • Operating System installation.
  • Troubleshooting of issues on Servers and workstations.
  • Hardware Replacement & Maintenance.

PROFESSIONAL EXPERIENCE:

System Administrator

Confidential

Consultant

Confidential

System Administrator

Confidential

System Administrator

Confidential

Responsibilities:

  • Provided Level 1, 2 & 3 technical supports in mixed Linux (SUSE, Red Hat and Fedora, Red Hat Enterprise Linux Advanced Server, CentOS), UNIX (Solaris, FreeBSD, AIX, HP-UX, Open Server) & Windows based environments.
  • Extensively involved in the installation, patching and upgrading of Oracle Database, Oracle Applications and UNIX and Linux Operating Systems.
  • Actively Monitored Production Systems and proactively identify and resolve issues/problems related to System Space, System performance, Access rights, User connections, Network Performance, Server Security and System resource utilization (CPU, Memory and Disk Operations).
  • Developed and automated validation checks to identify the discrepancies in the system, to assess the risks, and to implement solutions by adhering with Enterprise Security Standards.
  • Performed supporting tasks that are included, but not limited to code deployment, managing source control systems, virtual servers, scripting, etc.
  • Involved in developing and overseeing the backup, replication, clustering and fail over strategies.
  • Extensively interacted and worked with Service management process like incident management, Service request management, change management, problem management, knowledge management and Release management.
  • Extensively worked on Service management tools like Service Now and ITSM.
  • Involved in various hardware and software acquisitions and implementations.
  • Provided support in fundamental technologies such as DNS, SFTP and FTP, SMTP, SNMP, LDAP, SSL, SSH, TCP, UDP, IP, RAID and DHCP.
  • Involved in development of interfaces between various Linux, UNIX and Windows Systems.
  • Assisted in (Linux) Centos and Window Servers 2008 & 2016, Active Directory, VOIP, Symantec Endpoint Protection Antivirus Server, Backup Execution Software, Cat-5 cabling, CCTV camera installation.
  • Created, changed, and deleted user accounts and setting up and maintaining desktops per Request, setup email account.
  • System logs monitoring and issue identification and resolution.
  • Provided day-to-day technical support and troubleshooting for users employing PC laptops and desktops.
  • Identified and drove continual improvement program on Linux & UNIX environments and improve the service efficiency.
  • Worked closely with other IT departments and team to help determine and develop systems that would be implemented.
  • Worked with developers and Quality Assurance teams to seamlessly migrate applications from Development to QA to Production systems.
  • Developed and maintained cooperative and collaborative relationship with Networking, Storage, Software Development and Project management teams.
  • Remote administration of Linux Servers using SSH, VNC viewer.

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