Management Server

PRADEEP MANDA ******************@*****.***

UNIX/LINUX ADMINISTRATOR mobile: +1-913-***-****

Education: - Master’s in Computer Science

PROFESSIONAL SUMMARY:

Over 3+ years of experience as Linux Administration and Devops Engineering.

Experienced in installing, upgrading, patching, configuring and administrating Linux OS with proper release management.

Experienced in Performance Monitoring, Security, Trouble shooting, Backup, Disaster recovery, Maintenance and Support of Linux systems.

Created and maintained user accounts, profiles, security, rights, disk space and process monitoring.

Worked on Configuration Management such as Puppet and Ansible.

Worked on version controls like GIT and SVN. Worked on Agile Methodologies.

Have good hands on experience on some of the monitoring tools like Nagios, Splunk and Zabbix.

Extensively written bash script for various tasks automation.

Experience in Logical Volume Management (LVM).

Expertise in VMWARE virtual environment.

Performed Remote system administration using Network protocol tools like ssh, http, rsh, telnet, scp, ftp, sftp, ssl, RSA secure connection and Rlogins.

Experienced in planning, documenting and supporting high availability, business persistence, fail-over, fail-back.

Configured Networks using DNS, NIS, NFS, FTP and DHCP, troubleshooting network problems such as Sub netting, Routing, Firewall related on TCP/IP providing support for users in solving their problems.

Experience in installing and configuring Kick start in Linux.

Troubleshooting of NFS servers and NFS clients in auto mount Environment.

Experience with Java Enterprise application servers such as Web Server and Apache.

Problem determination and troubleshooting, Security using SSH and Shell Scripting.

Exposure to couple of ticketing systems like Service Now, Service Manager

Excellent written and verbal communication skills, inter-personal skills and self-learning attitude.

TECHNICAL SKILLS:

Operating System

Red Hat Enterprise Linux 7.x/6.x/5.x, CentOS

Virtual/Cloud Environment

VMware, KVM

Hardware

Dell PowerEdge, HP proliant, IBM Blade center HS-series/x-series, CISCO 6500 series Switches, EMC, NetApp SAN and NAS.

Network Protocols

TCP/IP, HTTP/HTTPS, Basic cable crimping, Ethernet, netstat, NFS, NIS.

Web/Application Server

Apache HTTP server 2.2/2.4, Apache Tomcat 6.0/7.0/8.0, WebSphere application server, JBOSS, WebLogic application server, LDAP Server and IIS.

Database

Oracle 10g, 11g, MySQL, MongoDB, Apache Cassandra, PostgreSQL.

Programming Languages

Shell, Python, HTML

PROFESSIONAL EXPERIENCE:

Client: Sprint July 2016- June 2017

Location: Overland Park, Kansas

Role: Linux/Devops Engineer

Responsibilities:

Plan, Design, and build infrastructure for different projects

Servers Provisioning using Foreman, Satellite server and VMWARE cloud tool

Experienced in hardware configuration of HP and Dell hardware and deployed RHEL 7.x/6.x/5.x using customized kickstart profiles via load tools such as Foreman, Satellite server

Setup opensource puppet infrastructure in the environment for configuration management, application deployments, security compliance, automation

Setup new repos and channels on Red Hat satellite server.

Updating RHEL servers, applying security patches using Red Hat satellite server

Setup GIT versioning control system to maintain centralized code repos for various management tools such as puppet, ansible, etc.

Working with open source technologies such as CentOS, SpaceWalk in LAB environment

Servers monitoring and troubleshooting using command line utilies and GUI tools such as Splunk, Zabbix, Nagios, Cacti

Working on performance tuning: kernel parameters tuning, ulimits setting, Disk striping, LVM management

Installed and configured Jboss Application servers for DEV, QA and PROD systems.

Extensively writing shell scripts for automating tasks, monitoring, servers maintenance etc.

Strong knowledge on networking concepts such as DNS, VLANs, Subnets, firewall

experience working with network utilities such as tcpdump, ss, netstat, route, ip addr, Wireshark, experience working with different models of Network cards, switches

Working with different application teams to install apache, tomcat, WebSphere application server(WAS), Database teams such as Oracle, DB2,postgresql.

Working in a team which is escalation point to all OS related issues and participate in 24X7 on call rotation

Environment:

RHEL 7/6/5, CentOS, Windows, VMware, Kickstart, satellite server, Foreman, puppet, GIT, Docker, jboss,VMWARE, HP and DELL hardware, BASH scripting, apache, tomcat, WebSphere, postgres, MySQL, oracle, DB2.

Client: PB Systems India Private Limited June 2013- July 2015

Location: Hyderabad, Telangana

Role: UNIX / Linux System Administrator

Responsibilities:

●Installing, tuning, troubleshooting and patching of Red Hat Enterprise Linux servers.

●Scheduled various regular, periodic, future and queue tasks by using crontab.

●NFS management - take care of user accounts/groups, setting up of NFS environment.

●Transferring files from one system to other using FTP and SFTP.

●Configure Apache reverse proxy to handle multiple application servers.

●Experience in using LVM for creating volumes, filesystems and for trouble shooting LVM patches.

●Monitoring server performance and troubleshooting server related problems to SNMP.

●Processes administration and management like monitoring, start/stop/kill various processes/sub processes.

●Hands on experience working on Red Hat Cluster.

●Monitor system performance parameters using iostat, vmstat, and fine-tuning.

●Systems administration, maintenance, and monitoring various day-to-day operations.

●Creating and maintaining user accounts, profiles, and security rights.

●Installation/upgrade, system startup, and system shutdown as needed.

●Installation and configuration of WebLogic and WebSphere application server.

●Installation, configuration, and maintenance of web servers, application servers, and database servers on Linux Servers.

●Wrote simple bash scripts to ping the servers and add users to the boxes.

●Worked in configuring and setup connectivity between web servers, database servers and directory servers as a process server administrator.

●Experience in backup reporting and managing of EMC Legato Network Environments.

●Installing and configuring Jboss application server in Unix Box.

●Resolved system errors and crashes, disk space problems, huge file sizes, and file system full errors.

●Documented various regular administrative tasks and backup procedures.

●Provided system performance reporting on a regular basis along with keeping all software at current version levels, and maintaining a log of changes for tracking

●Provided 24/7 on call support on Linux Production Servers. Responsible for maintaining security on Red Hat Linux.

Environment:

Red Hat Enterprise Linux, Apache, WebLogic, WebSphere,Cluster, Shell Scripting,Jboss

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