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System Administrator Resume

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SUMMARY:

  • Over 12 Years of experience in System Admin, cloud and Open Storage environment as an IT professional.
  • Experience in Installation, Maintenance and configuration of Solaris 8/9/10 operating system and Solaris Zones and LDOM, RHEL 4/5/6
  • Worked on software and hardware RAID, Logical Volume Manager, Solaris Zones, ZFS.
  • Performing RPM and YUM package installations, patch and another server management
  • Responsible for the installation of Red Hat and Centos Linux for newly build environment
  • Experience working on AWS cloud with creating IAM, EC2, S3, VPC, Route53, EBS, auto scaling.
  • Experience in App Containerization technology Docker, creating Docker images, Containers, Docker Registry to store images, cloud - based registry Docker Hub, Docker Swarm to manage containers.
  • Experience working on VMware Creating and Cloning Linux, Window Virtual Machines using VMware Virtual Client ESX and ESXi
  • Been part of Automation of Release and Deploy configuration management to different environments i.e. QA, UAT and production.
  • Worked on managing the High Availability of Linux and Solaris servers and F5 load balancer.
  • Worked on Monitoring tools like Splunk and nagios.
  • Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables and firewall
  • Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
  • Managing Oracle Database servers.
  • Installed Ansible and Puppet in different environments.
  • Have worked on Incident/Change/Management.
  • Experienced in upgradations of Enterprise backup Solutions VERITAS NetBackup 6.x,7.x
  • Experience in Implementing Enterprise backup Solutions for SQL 2005, 2008, 2012 and 2014.
  • Experience in upgrading Data domain 890,990.
  • Strong hands on experience of VERITAS NetBackup 7.x Enterprise command line usage.
  • Perform Root Cause analysis of incidents and take necessary steps to avoid such occurrences and provide technical write up for Severity 1 issues.
  • Involved in many Migration projects to move servers from End of life versions for Backup Enterprise servers to the latest versions.
  • Maintain current records on the changes performed in the environment to help track the updates/changes done to the infrastructure and maintain a change history database.
  • Maintain personalized knowledge base record to help track the problems and known errors in the environment and take necessary actions to correct them.
  • Excellent interpersonal, communication skills.
  • Motivated to take independent responsibility as well as to contribute to be a productive team member. Strong Team building and mentoring skills and excellent Team leadership capability.
  • Ability to work in a team environment with strong interaction and collaboration skills.
  • Worked with Hitachi Backup Management system for analyzing the historic backups
  • Worked with Quality analyzing of the client servers coming into the production environment.

PROFESSIONAL EXPERIENCE:

Confidential

System Administrator

Responsibilities:

  • Installation, Maintenance and configuration of Solaris 8/9/10 operating system.
  • Implemented Virtualization using VMware, vSphere 4.0, Solaris Zones and LDOM.
  • Worked on Amazon EC2 Cloud Instances using Amazon Images (Linux/ Ubuntu) and Configuring launched instances with respect to specific applications.
  • Worked on S3 with version control, Cross Region Replication, Glacier, security, snowball.
  • Worked on EC2 along with EBS, auto-scaling, Security, root device volume encryption, load balancers, Cloud watch. Performed health checks and route53.
  • Configuring and Networking of Virtual Private Cloud (VPC).
  • Creating S3 buckets and managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup on AWS.
  • Created CloudWatch alerts for instances and used them in auto-scaling launch configurations.
  • Managed virtual Linux and windows servers on AWS EC2. Created and maintained different environments for development, testing and deployment.
  • Create, patch, and administer Logical Domains (LDOMS) and Solaris Zones.
  • Performed volume system management utilizing Logical Volume Management (LVM), SUN Volume Manager (SVM) and Zeta File System (ZFS).
  • Performed blade server bios and ILOM upgrades
  • Maintained Oracle 10/11 databases and performed activities like patching and user creation.
  • Experience in Veritas Netbackup 7.5 & 6.5 on UNIX & Windows Machines.
  • Maintain all physical servers and other hardware at the DataCenter
  • Experience on Netapp 7.3 with 7 mode on 2240 appliance.
  • Troubleshooting and critical analysis for hardware failure of Solaris and Red Hat servers by analyzing core dump and log file.
  • Installation and configuration of Nagios plugins for monitoring system performance
  • Responsible for setting-up, managing and rapid deployment of Solaris/ RedHat 7/6 Linux servers using Kickstart
  • Creating and Cloning Linux, Window Virtual Machines using VMware Virtual Client ESX and ESXi
  • Performing RPM and YUM package installations, patch and other server management
  • Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables and firewall
  • Configuration, installation and maintenance of network services such as DNS, DHCP, NIS and NFS on Red Hat Linux
  • Installation & Configuration of LAMP servers (Linux, Apache, MySQL, PHP) supporting them on Linux production servers
  • Involved in the data center activity involving the hardware migration process of Linux based servers.
  • Expertise in Linux backup/restore with tar including disk partitioning and formatting
  • Creating and maintaining user accounts, profiles, security, disk space and process monitoring.
  • Integrate and implement server solutions and server components such as proxy servers, web servers, Application servers, database servers, directory servers, core infrastructure services (Proxy, DNS, SSH, SMTP, etc.)
  • Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
  • Experience on Netapp 7.3 with 7 mode on 2240 appliance.
  • Backup and recovery using Verities Net backup. Upgraded Netback up

Environment: Sun Solaris 8,9,10, Red Hat Linux, Zones, LDOM, AWS, IAM, EC2, S3, VPC, Route53, EBS, VXFS, VERITAS Volume Manager, VERITAS Net backup, DNS, Web logic, VERITAS Cluster Server 4.x, SAN.

Confidential

Systems Engineer.

Responsibilities:

  • Maintenance and configuration of Linux and Solaris 8/9/10 operating system and deploying apps.
  • Implemented Virtualization using VMware, vSphere 4.0.
  • Expertise in Installation, configuration, administration and maintaining WebLogic server 11g/12c, Tomcat application server 4.x, I planet webserver and Apache webserver.
  • Responsible for deployment and supporting deployments of complex, highly valued and critical applications in large scale environments using tools like Sun N1 and configuration management tools like Puppet.
  • Support and troubleshoot issues involving highly critical 3rd party vendor products like Actimize for fraud detection.
  • Responsible to support and maintain over 600 batch and ETL jobs involving highly intense data loading and transformation.
  • Usage of BIG IP F5 load balancer to achieve highly available and highly scalable production environment which involves good understanding of load balancing algorithms and concepts VIP, pools, pool members and irules.
  • Involved in routing live traffic to backup datacenters using F5 load balancer which need good understanding of concepts like DMZ(de militarized zone), firewalls, Purplenet and Bluenet F5s and Dns.
  • Planning strategy for intense and critical deployments using disaster recovery and failover techniques to meet the 99.99% availability SLA.
  • Involved in utilizing advanced technologies and framework cultures like Devops for developing a Continues integration (CI) and Continues Deployment(CD) solution called the CDP(Continues deployment process) solution suitable for critical application.
  • Configuration and usage of Continues Integration tools like Jenkins along with Maven plugin to build code and Artifactory as repository for JAR, WAR and RPM packages as part of the CDP solution.
  • Involved in installation of Puppet agent on the all the servers of the fraud tribe in Production, staging and Forte(special prod like) environments.
  • Actively involved in developing manifests for company specific deployment structure which involves promotions, deployment and activation.
  • Installed and configured Vagrant to spin up new VM to test developed scripts and Manifests.
  • Involved in developing scripts like log cleanup, Start/stop of application servers, perform operations like ONHOLD, OFFHOLD, ONICE, OFFICE on AUTOSYS servers to automate repetitive tasks using shell and python.
  • Used version control tools like SVN and GIT to create, pull, push, clone, merge, checkin and checkout repositories.
  • Thorough usage of Monitoring tools like Wily Introscope, Splunk, HP OVO, HP BSM (Business service management), Alarmpoint.
  • Developed queries and create Dashboards in splunk for log management and GUI representation of statistical and transactional volumes data prominently useful for production support of applications.
  • Troubleshoot complex issues involving high customer impact and work closely with development and all teams involved to resolve the issue within SLA.
  • Involved in projects for implementation of MASSL in place of SSL (Secure socket layer) handshake mechanism.
  • Supported applications that are responsible for Single sign on like SAML and Ping.
  • Experience working on Linux and Unix based distributions like RHEL and Solaris to manage application servers and webservers.
  • Provided load/stress and architecture validation, testing and troubleshooting of issues such as Out of Memory, 100% CPU Usage, hung Thread sessions, session replication, JVM Crashes.
  • Worked on Patching of both Linux and Unix servers.
  • Involved in implementation of advanced Bot filtering technologies like AVA, Shape shifter, IP filtering to avoid DDOS, Ransomware and other malware attacks.

Environment: Sun Solaris 8,9,10, Red Hat Linux, Big F5, Wily Introscope, splunk, ETL.

Confidential

Technology Specialist.

Responsibilities:

  • Installation, Maintenance and configuration of Solaris 8/9/10 operating system.
  • Installation, Maintenance and configuration of RHEL 4/5/6.
  • Troubleshooting and critical analysis for hardware failure of Solaris and Red Hat servers by analyzing core dump and log file.
  • Experience in VERITAS Netbackup 7.5 and 7.6 on UNIX & Windows Machines.
  • Involved in Implement Enterprise backup Solutions like VERITAS Netbackup 7.x.
  • Setting up Backup Strategy for different Clients as per their business needs.
  • Create, patch, and administer Logical Domains (LDOMS) and Solaris Zones.
  • Implemented Virtualization using VMware, vSphere 4.0, Solaris Zones and LDOM.
  • Installation and configuration of Splunk for monitoring system performance
  • Installed Hadoop Kafka and maintained them.
  • Experience in installation, configuration, and administration the environment with Linux and Solaris servers.
  • Addition, removal and resizing of Logical volumes using LVM in RHEL and implementing software RAID at installation time.
  • Constant disk management partitioning according to the requirements, creating new file systems or increasing existing ones, managing file systems and adding virtual swap space
  • Providing file system shares by using Samba and checking status of shared samba file systems.
  • Responsible for setting-up, managing and rapid deployment of RHEL/ CentOS 7/6 Linux servers using Kickstart
  • Creating and Cloning Linux, Window Virtual Machines using VMware Virtual Client ESX and ESXi
  • Responsible for the installation of Red Hat and Centos Linux for newly build environment
  • Performing RPM and YUM package installations, patch and other server management
  • Expertise in Linux backup/restore with tar including disk partitioning and formatting
  • Creating and maintaining user accounts, profiles, security, disk space and process monitoring.
  • Resolving issues related to network and DNS.
  • Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
  • Installed and configured debian and Ubuntu for Testing the applications
  • Configure cluster, failover cluster, troubleshoot cluster issues, add/delete resources, service groups
  • Install Apache/Web logic server on Linux server
  • Work on secure internet transmission protocol (FTP w/SSH/SSL, HTTPS)
  • Setup the QA, integration, UAT and Production environment for 200 Linux nodes
  • Backup and recovery using Verities Net backup. Upgraded Netback up
  • Creating the Backup Tapes for Off-site

Environment: Sun Solaris 8,9,10, Red Hat Linux, Zones, VERITAS Volume Manager, VERITAS Net backup, DNS, NIS, Puppet 3.x, Web Sphere, Nagios, VERITAS Cluster Server 4.x, SAN.

Confidential

Technology Specialist.

Responsibilities:

  • Installation, Maintenance and configuration of Solaris 8/9/10 and RHEL 4/5/6 operating system.
  • Troubleshooting and critical analysis for hardware failure of Solaris and Red Hat servers by analyzing core dump and log file.
  • Experience in VERITAS Netbackup 7.5 and 7.6 on UNIX & Windows Machines.
  • Involved in Plan, design, Implement Enterprise backup Solutions like VERITAS Netbackup 7.x.
  • Involved in Installation and configuration of Netbackup 6.x,7.x Master and Media servers.
  • Setting up Backup Strategy for different Clients as per their business needs.
  • Strong experience in efficient and flexible configurations of Backup storage and services.
  • Understanding the Implementation of EMC Data Domain in Netbackup Configuration with Open Storage API and Data Domain Boost.
  • Monitoring & troubleshooting the issues like network, drives, hung backups, media related, drive space issues, master server, media server, services related, backup misconfiguration etc.
  • Ensuring the backup SLA is met by troubleshooting backup failures on UNIX and Wintel servers
  • Work with Operating System, network teams to ensure their tasks are completed.
  • Work with Data Domain support for the replacement of disk related issues.
  • File system related issues with the Data Domain Servers.
  • Providing technical support and solutions to clients regarding them restores through Remedy ticketing system.
  • Have been working on Data Domain and ACSLS servers for drive and tape related issues
  • Monitor the smooth functioning of the backups & restores based on the severity.
  • Working on the ticketing system based on SLA.

Environment: Linux, Solaris, Windows 2003, 2008 R2, 26 Netbackup master servers, 150 media servers, 60,000+ Clients, Data Domain 4.x

Confidential

Sr. Systems Engineer.

Responsibilities:

  • Responsible for setting-up, managing and rapid deployment of RHEL/ CentOS 7/6 Linux servers using Kickstart
  • Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables and firewall
  • Configuration, installation and maintenance of network services such as DNS, DHCP, NIS and NFS on Red Hat Linux
  • Working closely with DBA team to ensure optimal performance of databases, and maintain development applications of oracle databases
  • Involved in the data center activity involving the hardware migration process of Linux based servers.
  • Creating and maintaining user accounts, profiles, security, disk space and process monitoring.
  • Installation and configuration of Solaris 8,9 &10 and LINUX/ Cent OS/Redhat 6.X
  • Experience in Veritas Netbackup 6.0 & 6.5 on UNIX & Windows Machines.
  • Installation and configuration of Netbackup clients for various Platforms both Windows and Unix flavors like AIX 6.x, RHEL6.x, HP-UX 11.1, Solaris 9,10.
  • Setting up Backup Strategy for different Clients as per their business needs.
  • Implementation of Backup in Clustered Environment using VERITAS Cluster Service (VCS) and Sun cluster for high availability.
  • Configuring different Storage devices to help Clients to backup their Data in the most efficient way that will help them to restore the Mission Critical Data.
  • Configuring Storage Units and Volume Pools as per the business requirements.
  • Conducting knowledge sharing seminars within team on multiple topics ACSLS, Netbackup for NDMP, Netbackup for VMware etc...
  • Work on changes via RFC using ticketing tool to perform critical changes to Multiple Netbackup infrastructures with minimal business impact.
  • Providing Quality Assurance on configuring the backup policies.
  • Have been monitoring & troubleshooting the issues faced like network, drives, hung backups, media related, drive space issues, master server, media server, services related, backup misconfiguration etc.
  • Have been working on ACSLS servers for drive and tape related issues

Environment: UNIX, Linux, HP, Solaris, 14 Netbackup master servers, 90 media servers, 25,000+ Clients, Windows 2003, 2008 R2.

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