We provide IT Staff Augmentation Services!

Sr Linux Administrator Resume

0/5 (Submit Your Rating)

New York, NY

SUMMARY

  • Over 9+ years of IT industry experience as System Administrator working on Red HatLinux, Sun Solaris, and SUSE Linux. Providing 24*7 supports as per teh Business need.
  • Good hand’s - on experience in UNIX, Red Hat LINUX, Sun Solaris and AWS environment.
  • ITIL V3 trained, Having good knowledge in ITIL process i.e. Incident, Problem and Change Management.
  • Excellent problem resolution and communication skills wif ability to work under pressure in a highly visible role.
  • Hands-on experience on Infrastructure management using “Red Hat Satellite” Server”.
  • Expert in Production environment, RCA's and monitoring teh incidents and resolving before reaching teh SLA. Solving issues wif spot fixes wif Python and Shell scripting languages.
  • Expertise in Installation, Configuration and administration of Red hatLinux5x,6x and 7x, Solaris 10, 11 on x86 server, IBM AIX 5.x, 6.x, 7.1.
  • Experience on critical issues like Server down, hardware failure, NIC issues, mount problems, disk failures, NFS issues and performance issues.
  • Efficiency in installing, configuring and implementing teh RAID technologies using VERITAS Volume manager and Solaris Volume manager.
  • Experience in setting up high availability applications using Veritas Cluster.
  • Expertise in Compliance remediation, in relation to Operating system security and risk items using CCS (Control Compliance Suite) tool.
  • Strong knowledge in Kernel Patching in Linux environment using automated and manual procedures.
  • Experience in shell scripting for doing CRON jobs that run daily to check disk usage and perform clean-up of file systems on different environments.
  • Ability to create and execute TEMPeffective project plans wif minimal direct supervision
  • 24x7 support for teh servers. Rotating on call pager responsibilities for production environment.
  • Experience in setting up a RAID and troubleshooting teh issues on Solaris and Red HatLinux.

TECHNICAL SKILLS:

Operating Systems: LinuxRed Hat 5.x, 6.x 7.x, SUSE 10, 11, 12, IBM AIX 6.1, 5L, SunSolaris, Windows, VMware ESX/ESXiHardware Sun Fire Sun Enterprise, Sun Fire, Sun Enterprise T series, M series, Sun Blade, HP-9000K, L, N Servers, Server, IBM RS/ M80, P series IBMHP/Dell Blade Server

Storage Systems: Solaris Volume Manager, Veritas Volume Manager, Logical Volume Manager

Database: Oracle, DB2, and MySQL

Web application: Apache Server, Tomcat JBoss 4/5/6, Web Sphere Application Server 5.x,6.x, 7.x, 8.x, Web Logic Server, HTML, DHTML, XML

Scripting language: Bash Shell, Korn Shell, and Python scripting

Monitoring Tools: JIRA, Tivoli, BMC patrol

PROFESSIONAL EXPERIENCE:

Confidential, New York, NY

Sr Linux Administrator

Responsibilities:

  • Responsibilities will include building, installing, and configuration of Linux based servers, deploying and testing OS, virus updates, baselines and disk imaging, patches and performance tuning.
  • Written and Implemented Shell scripts for automation of regular tasks (backups, purge logs).
  • Experience on Hardware technology like IBM, Dell and IBM blade Severs.
  • Troubleshoot Linux server and OS issues. Independently utilizes all available resources (knowledge bases, online resources, etc.) to ensure timely resolution of server issues.
  • Develops operating procedures for system administration activities including system monitoring, performance tuning, backup/recovery, server architecture design, and system maintenance.
  • Performs regular system maintenance, hardware and software upgrades, server migrations and performance tuning.
  • Strong customer/client focus wif teh ability to provide a superior customer/client experience and build long-term relationships.
  • Ability to work autonomously and as a member of a team.
  • Maintain data files and monitors system configuration to ensure data integrity.
  • Provide teh expertise to diagnose and remediate server, network and end user issues that are escalated by other members of teh Remote Support delivery team.

Environment: Red Hat Enterprise Linux - Versions 5,6 and 7, Solaris 9,10

Confidential (Buffalo, New Jersey and Chicago)

Senior Technical Specialist/ Linux Administrator

Responsibilities:

  • Key member in completing Critical Vulnerability patching like Open SSL, Shell Shock, Ghost and Leap
  • Key member in completing HBA card replacement projects.
  • RPM and YUM package installations, patch and other server management.
  • Creating new file systems, monitoring disk usage, checking and backup of log files administration and monitoring teh disk based file system.
  • Kernel compilation and patch upgradation onLinuxservers.
  • Performed OS upgrades as and when required.Backing up and restoring files across teh network.
  • Automation of BAU tasks using Shell and Python scripts
  • Working in AWS Cloud Environment like EC2 & EBS.Worked wif API's like AWS API for Creating and Managing Amazon Cloud Instances using Puppet Code and used puppet for provisioning.
  • Installing Red HatLinuxusing Kickstart and applying security policies for hardening teh server based on teh company policies.
  • Performed Red HatLinuxkernel, memory upgrades and undertook Red hatLinuxKick start installations. Attended teh ITIL and implemented in projects
  • Performed daily backups, restoration of data as per requests from developers using Veritas Net Backup.
  • Provided Technical assistance to teh team as on call support during weekends.

Confidential

Designation: Senior Technical Analyst/ Linux Administrator

Responsibilities:

  • Providing RIM (Remote Infrastructure management) Support to 3500 servers in North America.
  • Maintaining all teh servers (Entry level-Midrange-High-end)
  • Providing teh support for Solaris, Veritas Volume Manager and Clusters.
  • Working as on-call admin to resolve USER raised and AUTO generated Incidents on production and development server issues
  • I have working experience on critical issues like Server down, hardware failure, NIC issues, mount problems, disk failures, NFS issues and performance issues
  • Monitor teh SUN/Linux servers to free up disk space by removing unnecessary files.
  • Analyze and diagnosis system failures recover and restore operating systems and file systems.
  • I have working experience on ALOM consoles, HP & IBM Blades for performing administrative tasks like hardware replacements, analyzing console logs and performing server reboots etc.
  • As a part of day to day tasks, we deal wif work orders (user requests) which include adding new storage lunes to teh server, creating new file systems, disk partitioning, package installations and file/folder access requests
  • Handling Crisis calls and assisting for production issues and Vendor escalations for any hardware replacements and for analyzing core dumps etc.
  • Co-ordination wif teh applications and database support for teh productionissues.
  • Primarily application support, configure changes, troubleshooting server issues for QA, monitoring issues through systems like JIRA.
  • I have working experience on installing, configuring and managing VERITAS volume manager
  • Working experience on VERITAS Cluster server administration.

Confidential

Systems Engineer

Responsibilities:

  • Troubleshooting of hardware and OS related problems.
  • Performed hardware upgrades when requested. Update Firmware and Compaq agents and drivers.
  • Planning and implementation of DNS and Active Directory, Troubleshooting TCP/IP and Name Resolution.
  • Documented teh LAN, WAN implementation and ongoing activities.
  • Administration of Windows NT/2000 Active Directory.
  • Testing of security patches on Windows NT, 2000, XP Desktops as per test cases for application and OS compatibility.
  • Network printer management
  • PC assembly, hardware repairs and troubleshooting
  • Installing of leased line modems (Internal, External)

Environment: Windows 2003, Dell power-edge Servers 2950, Cisco routers and Switches. Dell Desktops and LAN maintenance.

We'd love your feedback!