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Rakesh - Linux admin

[email protected]

Location: Berthoud, Colorado, USA

Relocation: Open

Visa: H1B

PROFESSIONAL SUMMARY: 8+ years of experience as a LINUX/UNIX in the areas of Red Hat Linux 4.x,5.x, 6.x,7.x,8.x,9.x, Cent OS 4.x, 6.x, 5.x, 7.x, Solaris [ ] Fedora, Ubuntu Linux 10.4, 12.0,22.04, Debian and Microsoft Windows Servers/XP platforms. Experience in installing, upgrading, configuring, Patches, administration, maintenance and support RHEL, Cent OS, Solaris and Microsoft Windows. As Linux/Unix System administrator, experience in Disk Management, Logical Volume Management (LVM), Logical Partitioning, network problems troubleshooting, Backup and Job Scheduling. Experience in Veritas Volume Manager (VRTS VxVM), Veritas File System (VRTS VxFS) and Veritas NetBackup. Experience in installing, configuring and RAID technology on various environments. Worked on Virtualizations VMware ESX and Red Hat KVM. Experience of installing VMware ESX and managing of data storage, host and patching. Experience in User administration, Disk administration, securing data by using permission policies and monitoring process on Red Hat Linux and Solaris. Experience with RedHat Satellite Server. Active Directory user ID creation, modification and deletion. Worked on Google Cloud platform for data warehouse and for Eureka cloud analytic platform. Experience in create/manage Google Cloud Platform Projects and resources using Java Libraries/REST API and open-source tool Terraform. Expertise in create Google Cloud data analytics DATALAB environment using custom bash scripts. Experience in installing, integrating, tuning, and troubleshooting Apache, Tomcat Scripted in Bash, Perl and Ansible. Ansible to simplify administration tasks and for automation. Configured DNS, DHCP, NFS, FTP, SSH, LDAP, SAMBA, security management and Security trouble shooting skills. Hands on experience of troubleshooting Network, memory, CPU, Swap File system issues, TCP/IP, and SMTP in Linux servers. Knowledge in implementation and designing of disaster backup and recovery plan. Experience with Microsoft monitoring tool SCOM. Working experience in Installing Firmware Upgrades, kernel patches, systems configuration, and performance tuning on Unix/Linux systems Supported experienced in Apache/Tomcat installation and configuration on Linux production server. Provided production support in an on-call rotation in a 24x7 environment. Ability to work individual and responsible collaborate team member. Capacity of creativity, individuality and being intellectuality towards work and quick learner. TECHNICAL SKILLS: Operating Systems : RHEL 4/5/6/7/8/9, CentOS 6.0/6.5/7/, Solaris 8/9/10/11, Ubuntu, Windows 2k/2k3/2k8, 2k12,2k16,2k19 & 2k22. Hardware : Dell PowerEdge, HP ProLiant, Blade servers, Sun Servers E450, E3500, E4500, E5000. Software : Veritas Volume Manager 3.5/4/5, Veritas File System, Veritas Cluster. Cloud Computing Services: Google Cloud, Cloud Storage, Cloud Identity and Access Management (IAM), VPC, RDS. Network: LAN, WAN, VPN, Iperf, Bind DNS Programming Language: Shell, Bash and Ansible. Network Protocols : TCP/IP, DHCP, DIG, DNS, SNMP, SMTP, Ethernet, IOS, netstat, NFS, NIS. WORK EXPERIENCE: Client: University of Colorado Denver, CO Feb 2017 to Present Role: Cloud and Linux Administrator Responsibilities: Installation, Administration and Maintenance of Red Hat Enterprise on VMs and physical Servers. Responsible for Administration, Installation, Upgrading, Migration, Configuration, Troubleshooting Security, Backup, Disaster Recovery, Performance monitoring and Fine-tuning of UNIX systems on different OS levels. Supported several Servers in Dev, QA, Staging and Production environments plus primary support to all kind of issues for Red hat 5.x & 6.x & 7.x & 8.x,9.x Linux and VMware. Installing and upgrading patches and packages on servers using RPM, YUM and third-party software applications. Experience with RedHat Satellite by managing and upgrading to latest versions. Installation, Configuration and Administration of VM s in VMware ESXi 6.0 and above versions and also patch management and troubleshooting of VMware, and ESXi Servers and migration of VMs and data storage, snapshot and templates and clones. Experience with Microsoft Active Directory. Install and Implement SSSD on Linux servers to join Domain for Domain level authenticate. Implemented Bash and Ansible scripting. Hands on experience with Ansible by creating playbook. Experience configuring and utilizing SAMBA, HTTP, DHCP, NFS, NTP, SMTP, VSFTP and DNS Installation of SSH and Configuration of Key-Based Authentication. Good experience in LVM skills, used LVM, created VGs, LVs, and disk mirroring. Experience with SCOM (Microsoft monitoring tool) on Linux machines by installing and configure to monitor its health check. Performs virtual server provisioning and configurations as well as initiating requests for supporting cloud infrastructure components. Manage cloud infrastructure user access roles. Experience in building Terraform to build an infrastructure. Maintain documentation regarding configurations, operations and troubleshooting procedures related to the Cloud platforms. Experience on working with hypervisor technologies like Red hat KVM. Handled the VMware solutions to support multiple storage connectivity options such as FC-SAN, ISCSI, NFS (NAS) and internal storage. Hand on experience with installing hardware and configuring the physical servers in Data Center. Experience on working with the Cisco UCS environment. Assist in maintaining various infrastructure components, such as DNS/DHCP/IPAM (Infoblox) Client: ICICI Bank, India March 2013 to July 2014 Role: Linux Administrator Responsibilities: Perform Installation, configuration, and Operating System upgrade on, Red Hat Linux, CentOS, Debian, Solaris 10/11 and Ubuntu. Installed and configured Linux using Kickstart on Red Hat Linux. Create and maintain new users & groups resetting user passwords, Lock/Unlock user accounts and installed tools including GNU required to maintain the licenses. Monitor server performance and backup on daily basis, monitoring disk space and troubleshooting the hardware and replacement of the failure components running on the Linux. Installation of NIS, NIS+, NFS, and Send mail for centralization and firewall setup with in tables on Solaris and Red Hat. Configured Application under VERITAS Cluster Services Writing bash shell scripts on local setups to automate cron jobs. Ran PowerShell scripts to pull data and backup emails. Logical Volume Manager which involves creating and modifying File Systems, Logical Volume, Physical Volume, Volume Groups and Resizing. Created UNIX/Linux shell and Bash scripts to automate system administration procedures. Provide high availability of data service to users using Logical Volume Manager. Configure RAID levels, Disk replacement and File System recovery. Solved configuration issues and problems regarding NFS mount, NIS maps, user IDs, RPM installs, and Driver installs. Processing files through interface using crontab. Accessing data from Oracle database and SAS datasets Worked on Linux Kick-start OS integration, DNS, DHCP, SMTP, Samba, NFS, FTP, SSH, LDAP integration. Used VERITAS Volume Manager for storage management and create volumes with VERITAS Volume manager and VERITAS File System. Develop, Maintain, update various scripts for services (start, stop, restart, recycle, cron jobs) UNIX based shell, Perl. Server startup and shutdown issues as well the services on the server on Windows server. Kernel tuning, maintaining Shell scripts for system maintenance and file management. Worked on Logical volume manager to create file systems as per user and database requirements. Configured SAMBA to share files between Windows and Linux machines. Worked on network connectivity, SAN, NAS storage, creating LVM and taking TSM backup. EDUCATION QUALIFICATION: Master of Science in Electrical and Computers Fairfield University, Fairfield, CT Dec 2015 GPA 3.4/4 Bachelors in Electronics and Communication Engineering Siddhartha Institute of Engineering and Technology, Hyderabad, India. May 2013GPA 3.3/4 Keywords: quality analyst hewlett packard fibre channel Colorado Connecticut Idaho