SUMMARY:

• System Administrator having good communication and interpersonal skills, self - motivated and a good team player. Working independently, showed ability to absorb the business requirements and implement the jobs successfully within the given time frame showing consistency in quality.
• Working as an Admin from past 7 Years in resolving various issues occurred in the production, development and testing environments. Implementing system changes using standard ITIL process. Have an excellent technical knowledge and expertise in Linux that enabled to contribute to complete the implementations and upgrades. My technical expertise, makes me a valuable asset to any project. Following are my key strengths:
• Performance-driven and result-oriented computer-professional with over 7 years of extensive expertise in the ITES industry.
• Expertise on Installing and configuring RED HAT Enterprise LINUX 5.0, 6.0, SUSE Enterprise LINUX Server 10, 11, SOLARIS 10 and UBUNTU 10, 12, & 14.
• Experienced in system administration, System planning, co-ordination with group level and user level management.
• Configuring, implement and administrate NFS, NIS, DNS, Redhat Cluster and LDAP on Linux and Solaris environment.
• Expertise on LVM, Multi-pathing, NIC Bonding, Virtualization Technology.
• Expertise on OS patching, Kernel Patching and tuning.
• Installing and configring FC HBA cards on servers like Emulex and QLogic.
• Expertise on High Performance Computing(HPC) Clusters, REDHAT Cluster Suit.
• Expertise on ISCSI, DAS, NAS, CIFS/SMB.
• Expertise on installing RPM packages and Open source applications.
• Experience on installing and configuration of Web servers Apache, Tomcat and Jboss.
• Expertise on installing and configuration automation tool Puppet.
• Expertise on Veritas volume manager and Veritas Cluster suite(VCS).
• Installing, configuring and Administrating VMware workstations and VMware ESX server.
• Experience on Disaster Recovery and Planning.
• Expertise on Amazon Web services (EC2, ELB, EBS, and S3 (Simple storage service)).
• Creating Identity and Access Management (IAM) Accounts on Cloud.
• Creating infrastructure on Amazon cloud with private Ami’s.
• Creating multiple application Instances in minutes and delivered to Production environment.
• Creation on Load Balancer which serves traffic to Application server.
• Creation of EBS volumes to insure Data safety.
• Taking Snapshot of EBS volumes and different AMI. knowledge in C, C++, Java and Unix shell scripting.
• Received good Appreciations from clients.

TECHNICAL SKILLS:

System Administration: REDHAT/ORACLE/ SUSE linux Servers HPC Clusters, CentOS Rocks Cluster/OSCAR Cluster. Server Installations and administration like Qmail, Proxy and DHCP.

Operating Systems: REDHAT Enterprise Linux 4, 5 & 6. ORACLE Enterprise Linus 5 & 6. SUSE Enterprise Linux 10 & 11. SOLARIS 10.

Automation tool: Puppet.

Cloud: Amazon Web Services (EC2, EBS,ELB, S3, AWS Security Groups)

System Security: Remote SSH Login, TCP Wrappers, iptables.

Backup Tool: EMC Networker, DPX-Tool (3.50-SP2), Dump, tar, cpio, backup/restore.

Languages: Bash Shell Scripting, C++, Java, SQL.

Databases: Oracle, MySQL.

Hardware Platform: HP Proliant series, Dell Power Edge Blade servers. HP EVA 4400. SGI Altrix 8200, 4700, 450 and 250 series with SGI IS 4600 storage.

PROFESSIONAL EXPERIENCE:

Confidential

Senior Systems Engineer

Responsibilities:

• 24X7 support to ensure service level agreements are met.
• Work on tickets and resolve the issues.
• Escalate the issues to appropriate teams as and when required following ITIL process.
• Supporting 8000+ server systems with tools.
• Daily attend the Huddles meeting and discuss the problems with team members.
• Complete tasks with schedule time.
• Sending weekly and monthly reports etc.
• Level 2 &3 server, application support for production and Pre-prod with on call duties.
• Responsible for application deployment for releases on different environments Dev, QA, pre-prod and prod.
• Server Hardware support on HP Proliant and Dell Power Edge.
• Installation and configuration of Linux for new build environment and Recover environment.
• Adding Disks and creating partitions and File System Administration.
• Configuring and monitoring Disk mirroring, striping using LVM.
• Monitoring & troubleshooting the performance related issues.
• Managing all reboots & Hardware part replacement activities.
• Managing upgrade of Linux and Solaris servers.
• User Management & Administration.
• Creating SOP (Standard Operating Procedure).
• Swap space management.
• Job Scheduling and Automating process using CRON & AT.
• NFS configuration & administration.
• Installation of patches and packages.
• Configuring and managing network interface bondings.
• Create and troubleshoot SHELL scripting as required .
• Work on tickets generated by Automation or by End users.
• Work on Incidents and resolve the issues. Work on Change management requests, after proper approvals from Managers on Amazon Web services (EC2, ELB, EBS, and S3 (Simple storage service)).
• Creating Identity and Access Management (IAM) Accounts on Cloud.
• Creating multiple instances on Amazon cloud as required by teams and delivered it to Production environment.
• Creation on Load Balancer which servers traffic to Application server.
• Creation of EBS volumes as to insure Data safety.
• Taking Snapshot of EBS volumes and different AMI's.
• Escalate vendor supported issues, and see they are resolved with in SLA's.
• Support weekend reboots, OS patching and Upgrades.
• Work on trouble shooting issues and problem solving.
• Need to support all OS related issues and OS support to the hosted applications.

Environment: RHEL 5,6. OEL 5,6. Solaris 9,10 SPARC T & M series. Amazon Web Services(AWS). VMware ESX. HP-UNIX. IBM AIX. Veritas Cluster Suite (VCS). HP Proliant DL380 G6,G7,G8. DELL Power Edge Servers.

Confidential

Senior Systems Engineer

Responsibilities:

• 24X7 support to ensure service level agreements are met.
• Work on tickets and resolve the issues.
• Escalate the issues to appropriate teams as and when required following ITIL process.
• Supporting 1000+ servers.
• Daily attend the Huddles meeting and discuss the problems with team members.
• Complete tasks with schedule time.
• Sending weekly and monthly reports etc.
• Install Redhat enterprise Linux 5,6 and Oracle Enterprise Linux (OEL) 5,6 on HP and IBM servers, creating partitions on the HP EVA 4400 using Logical volume manager (LVM) to create disk space.
• Worked with developers to load software into servers and debugging scripts.
• Adminitrated system security, user and group administration, File sharing permissions and restore operations.
• Administrated the VMware ESX 4.0 in hosting the servers, allocating the CPU and Memory resources, install OEL as per requirements and deliver to teams.
• Supported Veritas volume manager (VxVM)and Veritas cluster suite (VCS 5.5) for HA based servers.
• Worked with DBA's for Oracle RAC clusters, restoration, log generation on servers and security patching and kernel upgrades on OEL servers.
• Swap space management.
• Job Scheduling and Automating process using CRON.
• Create and troubleshoot SHELL scripting as required.
• Install any perl modules as required for installing and maintain the applications.

Environment: Redhat Satellite, Puppet, RHEL 5,6. OEL 5,6. Solaris 9,10. VMware ESX. Veritas Cluster Suite (VCS). EVA 4400. HP Proliant DL380 G6,G7,G8. DELL Power Edge Servers. EMC Storage SAN.

Confidential

Senior Systems Engineer

Responsibilities:

• 24X7 Onsite support to ensure service level agreements are met.
• User administration like adding new users, setting user profile, password reset, deleting users.
• Software installation as and when required.
• Checking Backup status and send reports to manager.
• Checking running jobs and queue’s and if any fails manually run the scripts and send report to manager.
• Checking CPU and Disk usage.
• Checking Nodes status through Ganglia Monitoring tool.
• Generating monthly Cluster usage report by users and send the same to client.
• Any changes scheduled then doing those changes and raise the changes.
• Daily attend the Huddles meeting and discuss the problems with team members.
• Complete tasks with schedule time.
• Sending weekly and monthly reports etc.
• Creating Password Less Environment in HPC servers.
• Installing and Configuring Ganglia Monitoring tool on Master and 128 Compute nodes.
• Installing and Configuring MPI Tool in Master and Compute nodes.
• Installing and Configuring Applications as required by Client.
• Add, delete and update user account information, password resets, etc.
• Security Management and file/directory restrictions.
• Monitoring system performance, disk space, system processes, user process.
• Monitoring Backup’s whether performed or not for scheduled time.
• Morning health checks and backup status checks.
• Scheduling the jobs and analyzing jobs status.
• Generating monthly Cluster usage report used by users through PBS scheduler.
• File System Administration and Disk Management.
• Package management using RPM, YUM and YAST.
• Check system log for warning, failed and error messages for hardware and network failures.
• Monitoring and trobleshooting Suse Linux HA cluster.
• Installing and Configuring of File Servers NFS.
• Troubleshooting clusters.
• Preparing Implementation documentation for any activity done.

Environment: RHEL 5,6. SEL 10,11. Solaris 8. HP Proliant DL380 G6,G7,G8. SGI Altrix 8200, 4700, 450 and 250 series with SGI IS 4600 storage. EMC Networker.

Confidential

Systems Administrator

Responsibilities:

• User administration like adding new users, password reset, deleting users.
• Scheduling/controlling of jobs using Cron.
• Software installation as and when required.
• Checking Backup reports and send reports to manager.
• Checking performance tools reports and if any fails manually run the scripts and send report to manager.
• Daily attend the Huddles meeting and discuss the problems with team members.
• Complete tasks with schedule time.
• Security Management and file/directory restrictions.
• Performance Monitoring, disk space, system processes.
• Morning health checks and backup status checks.
• Advanced File Permissions and Access Control List.
• File System Administration and Disk Management.
• Package management using RPM and YUM.
• Managing Advanced File system such as LVM.
• Check system log for warning, failed and error messages for hardware and network failures.
• Kernel update and upgrades initrd kernel modules and patching.
• Installing and configuring Red Hat Linux 5 and CentOS 5.
• Installing and configuring Qmail server.
• Creating and administrating the user’s accounts on Qmail server.
• Add and delete and update user account information, password resets, etc on Qmail server.
• Administrating and Monitoring SMTP based content filter (or) Spam filter Server.
• Installing and configuring Proxy Server.
• Creating and administrating acl’s on Proxy as needs of Customer.
• Installing and configuring DHCP Server.
• Installing, Configuring and Administrating of File Servers (NFS, FTP, SAMBA) and DNS Servers.
• Created a Parallel Backup Server and perform Backup with automated cron jobs with SSH keys & Rsync for every 2 hours.
• Preforming regular Incremental backup of Qmail with through Rsync.
• Administrating and Monitoring Forti-gate 200 Firewall.
• Creating Firewall Policies as per customer needs.
• Preparing Implementation documentation for any activity done.

Environment: RHEL 4. CentOS 5.5. Qmail, DHCP, DNS. Windows 2003.HP Proliant DL380 G4,G5.

Confidential

System Administrator

Responsibilities:

• 24X7 support to ensure service level agreements are met.
• Work with System programmers and resolve the issues.
• Supporting 500+ server systems.
• Daily attend the Huddles meeting and discuss the problems with users.
• Schedule and perform Backups every Weekend.
• Complete tasks with schedule time.
• Sending weekly and monthly reports etc.
• Installing and configuring Red Hat Linux 4.4.
• Troubleshooting the Boot process.
• Add, delete and update user account information, password resets, etc.
• Security Management and file/directory restrictions.
• Performance Monitoring, disk space, system processes, user process activity.
• File System Administration and Disk Management.
• Package management using RPM and YUM.
• Managing Advanced File system such as LVM.
• Kernel update and patching kernel modules.
• Uploading policy data into server.
• Performing weekly backups on linux 4.4 production EDMS server through HP Data Protector Express tool.
• Provide technical support to programmers remotely or over phone.
• Troubleshoot any problems related to backups.

Environment: RHEL 4, 5. Windows 2003. HP Proliant DL380 G4,G5, ML10. HP DPX-Tool (3.50-SP2).