Name: Vijaya Polavarapu

Sr.Linux/Unix Administrator

Mobile: 732-***-****

Email: adzxvh@r.postjobfree.com

Professional Summary:

Around 7 years of IT experience and Excellent knowledge in varies technologies in IT sector, with the last implementations focused on Expertise in performing Linux administration and Solaris, AIX & HP-UX an aptitude to automate the daily process using Shell & Python.

Experience on trouble shooting Linux server crash and reboot issues.

Efficient with server build from scratch and troubleshooting skills.

Hands on Linux servers patch management and patching related issues with package installations upgradations and deletion.

Hands on VCS and redhat and pcs clusters management and related issues along with pcs cluster set up from scratch worked for several new projects for suse Linux pcs cluster set up

Trained in AWS hands on Lab work and technical work

Aws service management

Certified by Amazon Web services.

Relevant experience on AWS

User Administration on Linux

Managing file system creation extensions and removals with debugging and repairing filesystems with respective platform versions.

System performance tuning

Monitor system performance

Linux servers 5, 6, 7 versions installation

Scheduling and troubleshooting various jobs through Crontab for running application automation jobs

Registering to repository server for Linux servers patch management

Performing routine audits of systems and software

LVM creation on red hat Enterprise Linux

Responsibility for Kernel Tuning repairing and related issues

Answering technical queries and dealing with escalations of frustrated users

Analyzing system logs and identifying potential issues with systems for active system functioning.

Applying updated patches, and configuration changes

Remote administration and monitoring of the Server using the tool like SSH, TELNET, FTP, SFTP

Adding, removing, or modifying user account information, resetting access, and providing required permissions.

Responsibility for security

Resolving Backup Issues

Configuring Ips

Managing routes on the servers

Linux server recovery from Rescue Mode

Server booting in Single User mode and recovering root password.

Virtual servers’ management in Vcenter – VMware

Creating shared disks between multiple servers and taking snapshots for server tasks in vcentre

Server kernel updates with new version

Server building and configuring required parameters for server functioning.

Clusters service group freezing, and unfreezing& pacemaker cluster building and set up from scratch.

Aws resource management and technical work

AWS services management

Load balancer creation

Instance management.

Software Knowledge & Summary: TECHNICAL SKILLS SET

Red-hat Linux

RHEL6, RHEL7, Solaris

Automation

Shell, Python

Veritas Cluster Services

VCS

Virtualizaion

VMWare, VCenter

Monitoring

BMC REMEDY

Others

Infopacc, Nimsoft Monitoring Tool, Citrix, IBM Tivoli, ServiceNow

Red-hat Linux

RHEL6, RHEL7, Solaris

Automation

Shell, Python

Veritas Cluster Services

VCS

Virtualizaion

VMWare, VCenter

Monitoring

BMC REMEDY

Others

Infopacc, Nimsoft Monitoring Tool, Citrix, IBM Tivoli, ServiceNow

Education:

2015

V.S. Lakshmi university

M.Sc Computer science

2013

Andhra University

B.Sc. Computer science

2010

Sri Vasavi Junior college

Class XII M.P.C

2008

Vivekananda English Medium school

Class X

PROFESSIONAL EXPERIENCE:

Client: Medline Inc

Location: Pune Maharashtra,India. Dec 2020 to May 2022

Sr.Linux/Unix Administrator(Senior technical associate)S

Roles & Responsibilities:

Take direction from the team lead and work within a team-environment to achieve organizational goals

Provide technical solutions to wide range of problems and user request through the established system

Highly versed in Linux administration and best practices on production servers with weekly oncall support.

Fluency in programming/scripting skills for automation

General understanding of Linux internals (system calls, file systems, processes, etc.…)

Familiarity with complex Linux environments

Knowledge of Network Infrastructure including VPNs Routers, Firewalls, Load Balancing and Switches

Excellent organization skills e.g., ability to priorities and multitask, lead technical projects, and complete the project within defined timescales

Strong scripting skills (shell/Perl)

Excellent written and verbal communications interpersonal and customer service skills

Experience with RedHat Linux 5.x, 6.x and 7.x and demonstrated experience with Satellite 6 in a large environment (1000+ servers)

Works well with others, has strong communication, project, and time management skills

Excellent general computer skills including word processing (Word, Pages, etc.), spreadsheet (Excel, Numbers, etc.), and email (Outlook)

Proven experience creating, implementing, and maintaining scripts for process automation, infrastructure

Strong Knowledge of Experience using Red Hat Network Satellite for OS deploy, management & patching

Good understanding of the skill to be “Last line of technical support and defense of the production environment”

Proven experience of working as a UNIX/Linux Engineer in large and complex environments

Knowledge of adding/removing SAN disk partitions/volumes

Knowledge of networking principles and application/technologies (e.g., TCP/UDP protocols, DNS, DHCP services)

Ensure the developed/certified solution is capable with platform specific virtualization environments (VMware in RHEL, Zones in Solaris and WPAR and VIO in AIX)

Experience with highly available and appliance load balanced systems utilizing VIP’s; as well as standard infrastructure tools such as NFS, FTP/SFTP, DNS, NTP, LDAP, CRON, GNOME/KDE, Syslog, SSH, and, debugging tools

Experience using Puppet to configure Linux systems

A firm understanding of Unix configuration management tools (puppet)

Knowledge of infrastructure automation through scripting (ansible, PowerShell, shell, etc.)

Worked in several internal projects for Bulk server installations and cluster set up from scratch for new environment

Maintaining Playbook for new projects

Client: Infosys LTD,CenturyLink -Telecommunication Project May 2018 to Dec 2020

Location: Pune Maharashtra,India.

Sr.Linux/Unix Administrator(Technical Analyst)

Roles & Responsibilities:

Maintained over 6000S Linux, AIX, Solaris and HP-UX test/production servers which includes various applications on Telecommunication Project..

Worked on Weekly oncall rotational support (24/7)

Created new filer mounts and attached using NFS.

Worked closely with the storage group to troubleshoot issues pertaining to central storage.

Implemented security protocols, optimized performance, and maintained system stability.

Created documentation, diagrams and troubleshooting guides for network operations center staff.

Served as advisor to help desk personnel and system administrators.

Identified and resolved escalated issues with remote, on-site Linux servers, Cisco switches/routers.

Created and deployed logistical solutions and processes designed to streamline operations and related problem resolution.

Included ordering equipment, arranging install dates, managing install teams, approving invoices, and following up with field locations to ensure customer satisfaction.

Bulk Server installations and configuring servers with required parameters for internal projects along with SAP installations for pacemaker cluster set up to maintain high availability.

Installed, Deployed Red Hat Enterprise Linux 4.x/5.x/6.x/7.x, CentOS and installation of packages and patches for red hat Linux Servers.

Involved in troubleshooting of Linux server issues and hardware issues and replacements.

Worked with the hardware vendors and application team for the faulty replacement and planning the downtimes accordingly.

Performed Tuning and Management for Linux server and working with the application/database team to resolve issues.

Created the filesystems using RedHat volume manager and performing the health check on a regular basis for all Linux serves.

Worked on HP, Dell servers using DRAC and ILO consoles and resolving issues and replacing the failed hardware.

Performed kernel and database configuration optimization such that it limits I/O resource utilization on disks Kernel parameter tuning and performance monitoring using tools like Glance plus, vmstat, must and addressing swap issues in Redhat Linux servers.

Client: Royals Sun Alliance – Wipro Technologies

Location: Pune, India Oct 2015 to May 2018

Sr.Linux/Unix Administrator

Roles & Responsibilities:

patch management using Ansible Skilled in Linux

Experienced in analyzing and evaluating the security of new and existing IT systems and the procedures to protect information system assets from intentional or inadvertent modification, disclosure, or destruction.

Understood of operating systems, networks, and services on production environment.

Installed of patches and packages using RPM and YUM in Red hat Linux.

Created and modified application related objects, created Profiles, users, roles and maintained system security.

Installed and configured SAMBA server for Windows and Linux connectivity.

Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.

Built Yum and RPM repository Server for Development team to upload packages, Written UNIX Shell scripts for monitoring & clean up old files.

Server decommissioning

Server monitoring and task management.

Change management

Server failed part (CPU, Memory, DIMM) replacement activities

Resolving kernel panic issues and debugging server crash.

Solid skills in database performance fine tuning and optimizing poorly performing queries, stored procedures

Production patch/upgrade management

Acts as a an escalation point for more junior SQL DBA team members for advanced skills and troubleshooting

Build and maintain strong working relationships with other DBAs and application teams

Contact this candidate