PROFESSIONAL SUMMARY

• Around 7+ experience as Linux/UNIX system administrator on Red Hat EL 5.x, 6.x, 7X Centos 5x, Solaris 8, 9, 10 and VMware ESX environment.
• Extensive experience with RAID using Volume Management Software like Logical VolumeManager Veritas Volume Manager, Solaris Volume Manager.
• Comprehensive experience in the design and implementation of CI/CD and DevOps Operations for Agile projects, working with technologies and platforms including UNIX/Linux, Java, Subversion, Maven, Jenkins, VMware, AWS, Azur, Bitbucket, Ansible, Git, Docker Swarm, Chef, Puppet, Docker, Tomcat, Selenium, Nagios.
• Experienced in Installation of Operating Systems, Packages and Patches, adding peripherals, maintaining user accounts, System Security maintenance, backup/recovery, performance tuning, troubleshooting at various levels etc.
• Extensive experience with Kickstart in Red hat Linux, Jumpstart, Live Upgrade, Flash Install in Solaris, and Ignite in HP - UX.
• Expertise in implementation and maintenance of NFS, NIS, DNS, LDAP name services.
• Experience in installing DB2 software, creating instances, databases and configuration management on DB2 servers.
• Experience in DB2 Linux System/Application DBA skills including HADR, setting up cronjobs for monitoring disk space, memory utilization, watchdog etc.
• Design and implement database infrastructure, including performance monitoring, capacity planning, and automation of database related processes.
• Experience in using AWS EC2, S3, AWS Route 53, AWS Cloud Trail, AWS Cloud Watch, AWS Glacier, AWS Identity and Access Management, AWS Elastic Load Balancers (ELB), AWS Cloud Formation and Terraform.
• Operating, managing, and deploying AWS systems with features such as availability, high-scalability, and fault tolerance, appropriately selecting respective AWS services in terms of data, computation, and security.
• Reduce the production time necessary via AWS CloudFormation skills to deploy the infrastructure for automation and Make necessary improvements in resources and also work on resource tagging to designate plans and costs for governance, reporting, and budgeting.
• Efficiently monitor the development and billing of several strategies for cost optimization and managing the complete AWS life cycle, along with security, provisioning, and automation.
• Hands-on experience in writing BASH Shell scripts.
• Experience in implementing and administering VMs using VMware ESX 5.0 and vSphere 5.5 and venter and building KVM hypervisor. Also, worked with Solaris 10 zones to implement virtualized environments in the Solaris environment.
• Security management like performing security health checks as per policies / procedures, patching the servers based on the advisories for the applications and operating systems.
• Experience in networking concepts like DHCP, TCP/IP, IP Addressing, Networking Technologies and WLAN.
• Experience in installation and configuration of Apache 1.3.x, Tomcat, WebLogic 9, 10, and JBoss.
• Hands-on experience in diagnosing, troubleshooting various networking, hardware & Linux/ UNIX server’s services issues and performing preventive maintenance.
• Experienced in writing / modifying shell scripts for process automation of systems, applications, backups etc.
• Excellent problem-solving skills with a strong technical background and excellent communication and interpersonal skills. Self-motivated and a good team player.

PROFESSIONAL SKILLS:

Operating Systems: Linux (RHEL, Debian, CentOS), FreeBSD, VMWARE ESX, Open Solaris, MS Windows server.

Hardware: DELL Power Edge 8450,6650, HP DL 360 G3/G4/G5, HP BL20p, Sun Fire V210/240/480, SUN M5000/4000, SPARC server T2000/T5240, Sun X4150, SPARCstation10, Sun SPARC Ultra 5/10, IBM blade Servers, IBM P520/P550/P670.

Protocols and Services: TCP/IP, TELNET, FTP, SSH, SCP, ARP, DHCP, SMTP, TFTP, PPP, RARP,POP3, NFS, DNS, ADS, NIS & NIS+, Network Essentials-OSI, LAN/WAN, Switches, Hubs, Fiber Channel and iSCSI.

Automation and Scripting: Kick start (Linux), Jumpstart (Solaris), Bash / Korn / Bourne / Python scripting Bash, Ksh

Software: Red Hat Cluster Suite, Veritas cluster server 3.x, 4.x, 5.x, 6.x, Veritas volume manager 3.5, 4.x, 5.x, Veritas File system, Veritas Cluster File system, Veritas netback up), VMware ESX 3.5, vSphere 4.0. TSA for DB2 High availability

Databases & Languages: DB2 V9.7, V10.5 and V11, Oracle 10g, 11g, MySQL 4.x, 5.x

AWS Services: Configuration of EC2, IAM, VPC, Route 53, S3, ELB, AWS Cloud Tail, Cloud Watch, AWS Glacier, AWS Cloud Formation and OpenStack Services

Tools: GITLAB, Jenkins, Docker, Ansible, Bamboo, Bugzilla, Nagios, SolarWinds

PROFESSIONAL EXPERIENCE

Sr. Linux System Engineer

Confidential, St Paul, MN

Responsibilities:

• Responsible for configuring Volume Group using LVM, Logical and Physical Partitions and Importing New Physical Volumes.
• Deployed latest patches for, Linux and Application servers, performed Red Hat Linux Kernel Tuning.
• Migrated physical Linux servers to Virtual Servers with all set of service configured.
• Implemented day-to-day tasks in Red Hat Linux dat include upgrading kernel, HBA driver, configuring SAN Disks, Multipathing, NAS Mount and Unmounts.
• Experienced on migration of VMGuest from one ESX Host to another ESX Host as well as performed storage VMotion.
• Provided support by 24x7 shift rotation basis by on calls.
• Responsible for monitoring Linux server’s performance ensuring security and stability with the help of available UNIX utilities.
• Responsible building and supporting Red hat Linux 5 and 6 and 7.
• Configuration and deployment of Nagios Monitoring system for managing all the Linux warehouse systems.
• Worked in HPSM to perform different responsibilities like debugging, troubleshooting issues, error analysis, recovery, documentation and procedures required for reference.
• Involved in creating highly available and scalable infrastructure in AWS cloud by using various AWS services like EC2, VPC, Auto scaling, ELB, RDS etc.
• Configured AWS IAM (Identity Access Management) service for controlled access for regular and application users with various groups & IAM policies.
• Wrote AWS Terraform API modules to manage infrastructure, for automatic creation of RDS instances, VPCs, Autoscaling groups, Load balancers, SQS, S3 buckets.
• Worked on EC2 instance upgrades/downgrades to scale up compute and memory resources to keep the service available.
• Updating the whole system with the latest software version and creating data backup for disaster recovery and maintaining data integrity by controlled user access through AWS application, continuous monitoring, and management of services.
• Used JIRA for creating bug tickets, storyboarding, pulling reports from dashboard, planning sprints. GIT for Version Control.
• Creation of VMs, cloning and migrations of the VMs on VMware vSphere.

Sr. Linux Administrator/DB2 database administrator

Confidential, Woodbury, MN

Responsibilities:

• Creating primary database storage structure (table spaces) once developer has assigned an application.
• Experience working in ITSM to resolve customer’s issues and follow the change management process.
• Modifying the database structure as necessary from information given by application developers.
• Manage Backup, Security, Controlling and Monitoring user access to the database.
• Manage Storage and IO performance issues related to the databases.
• Fix pack upgrade, Set up HADR and TSA in the servers.
• Designing of logical and physical structure of database (storage parameters)
• Ensuring dat work is compliance with IBM DB2 License agreements
• Create scripts for checking Db2 kernel parameter, Memory usages, log archival, Server reboots and set up alerts via email or Ticketing system.
• Experience working in LVM, disk partitions, creating swap on RHEL5, 6 and RHEL 7 environment.
• Installation and setup of Pure scale on Linux environment and work on GPFS filesystem. Work with Storage and Backup administrators to migrate NFS Shares and SAN devices.
• Fix pack upgrade and version upgrade in DB2.
• Work on creating filesystems, Disk partitions, creating swap, Installing memory and CPU on VMware and physical servers.
• Work on security patching on Red-Hat Linux and Centos and deploy New/updated files through Red Hat satellite.
• Work on point release OS upgrade on RHEL 8.2 and RHEL 8.1 with different version as well as building and configuring Rhel8 servers.
• Experience with SAP Database, application and cluster builds in Physical and VMware environment.
• Manage Red Hat cluster on RHEL 5, 6 and 7 environments with ccs and pcs utility for SAP and open text environment.
• Experience on IT service management (ITSM) and change control.
• Install and configure new software on multiple Linux environment Install, configure and deploy MacAfee app control on Linux environment.
• Configure /install MFA in the servers to set up access management.
• Troubleshoot various systems problems such as application related issues, network related issues, hardware related issues etc.
• Work on Storage Migration from EMC/NetApp to 3PAR
• Write documentation for internal wiki and validate the documentation using on test servers before we actually move to other environments. HP firmware updates via CD, PXE and command line.
• Supporting on DB2 database servers by creating physical volume, volume group and logical volume kernel tuning, performance monitoring and troubleshooting multiple hardware and patch related issues.
• Write cronjob to manage filesystem, log rotation and cleaning old logs from the system.
• Working on VSphere 5, 5.5, 6.0 and building virtual servers, set up VM clusters etc.
• Perform multiple activities on VCEM, Enclosures management to build blades and Rack and stack servers.
• Work on red hat satellite for patch management, deploying errata, server registration and creating templates for different types of servers.
• Perform addition of swap, CPU, Virtual memory via vSphere client.

Confidential, Plymouth, MN

Linux System Administrator IV

Responsibilities:

• Responsible for configuring Volume Group using LVM, Logical and Physical Partitions and Importing New Physical Volumes.
• Deployed latest patches for, Linux and Application servers, performed Red Hat Linux Kernel Tuning.
• Migrated physical Linux servers to Virtual Servers with all set of service configured.
• Implemented day-to-day tasks in Red Hat Linux dat include upgrading kernel, HBA driver, configuring SAN Disks, Multipathing, NAS Mount and Unmounts.
• Experienced on migration of VMGuest from one ESX Host to another ESX Host as well as performed storage VMotion.
• Provided support by 24x7 shift rotation basis by on calls.
• Responsible for monitoring Linux server’s performance ensuring security and stability with the help of available UNIX utilities.
• Responsible building and supporting Red hat Linux 5 and 6.
• Configuration and deployment of Nagios Monitoring system for managing all the Linux warehouse systems.
• Worked in HPSM to perform different responsibilities like debugging, troubleshooting issues, error analysis, recovery, documentation and procedures required for reference.
• Worked with Red Hat Packet Manager (RPM) and YUM.
• Performed User and Group administration.

Environment: Red Hat Enterprise Linux 4.x, 5.x, 6.x, 7.x, Sun Solaris 8, 9, 10, VERITAS Volume Manager, Oracle 11G, Samba, Oracle RAC/ASM, EMC Power path, DELL PowerEdge 6650, HP ProLiant DL 385, 585, 580, Sun Fire v440, Windows 2000/NT, HP, IBM, Solaris, Oracle 8, SSH Gate, Cisco routers/switches, Dell 6400, 1250, Sun E450, E250.