Manager Management

Location:

Morrisville, NC

Posted:

January 12, 2018

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Resume:

KRISHNA

Sr. Cloud/DevOps Engineer

***-***-(****) ************@*****.***

Professional Summary:

oCertified AWS Developer-Associate with 8 years of effective professional experience in the field of IT, focused on Linux Administration, Software Development Life Cycle (SDLC), Build and Release Management, Configuration Management, Continuous Integration, Continuous Deployment and Cloud Implementations.

oChef Certified Developer with Basic Chef Fluency Badge.

oExtensive experience in installing, trouble shooting, upgrading and configuring Solaris 8/9/10/11 on Sun/Oracle servers and Red hat 4/5/6/7, HP-UX 10/11, SUSE 10/11/12 Operating Systems, Mail Server/ Proxy Server, and Windows vista/XP/00/7/8/10.

oMigrating On-premise infrastructure to cloud platforms like Aws/Azure/ Rackspace/Pivotal Cloud Foundry (PCF) and involved in virtualization using (VMware, VMware ESX, Xen) and infrastructure orchestration using containerization technologies like Docker and Kubernetes.

oDesigned roles, policies for groups & users by using AWS (IAM) and automated configurations using Chef and AWS OpsWorks.

oDesigned EC2 Container Service (ECS) a highly scalable, fast, container management service that makes it easy to run, stop, and manage Docker containers on a cluster of Amazon EC2 instances

oExpertise in AWS Cloud Administration which includes services like EC2, S3, EBS, VPC, ELB, AMI, SNS, RDS, IAM, Route 53, Auto scaling, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation, OPS Work and Security Groups.

oEstablished connection from Azure to On-premise datacenter using Azure Express Route for Single and Multi-Subscription.

oConverted existing AWS infrastructure to server less architecture with AWS (Lambda, Kinesis) deployed via Terraform and AWS Cloud Formation.

oExperience in working on DevOps/Agile operations process and expertise in areas like (Unit test automation, Build & Release automation, Environment Management, Service Management, Incident Management and Change Management).

oOrchestrated and migrated CI/CD processes using Cloud Formation and Terraform Templates and Containerized the infrastructure using Docker, which was setup in Vagrant, AWS and VPCs.

oExpertise in Jenkins pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes

oExtensively worked with Jenkins as Continuous Integration / Continuous Deployment Tool and strong experience with integration of Ant and Maven Build Frameworks.

oDesigned an architecture and deployed Symantec public/private cloud platforms (IaaS, PaaS & SaaS) across Amazon Web Services.

oProficient in managing the source code control of multiple development efforts using, SVN(Subversion), GIT, Bit bucket and TFS (Team foundation Server) for Windows Environment.

oConfigured and monitored distributed and multi-platform servers using chef. Excellent at defining Chef Server and workstation to manage and configure nodes. Developed Chef Cookbooks & manifests to manage systems configuration.

oCreating fully automated CI build and deployment infrastructure and processes for multiple projects using Docker, Jenkins (Cloudbees), sonar cube, VMWare, RHEL, Satellite, Kubernetes, Arti factory, Ansible & GitLab.

oProficiency in writing automation scripts using Shell, PowerShell in puppet to support infrastructure as code and continuous deployment.

oExperience in load balancing and monitoring with Nagios and Splunk, ELK, Log stash, Kibana.

oCreating and managing users and also have experience in Installing Firmware Upgrades, kernel patches, systems configuration, system security, system Performance tuning on Unix/Linux systems.

oExperience in Load Balance Linux systems by LVS for High Performance and High Available of Linux clustering Technology.

oDealt with Linux Utilities: KICKSTART, SSH, FTP, AUTOFS, Quota Management, wrappers, User Management, Process Management, Memory Management, and Text processing tools, Log Management, Package Management, Disk Management and Swap Partition/Files Management.

oExtensively experienced in like Python, Ruby, Perl, shell and configuration management tools Chef, Puppet, Ansible and CF Engine and Web Service like AWS & Azure.

oDeveloped micro service on boarding tools leveraging Python and Jenkins allowing for easy creation and maintenance of build jobs and Kubernetes deploy and services.

oExtensive experience in installation and configuration of vCenter 4.x/5.x/6.x, vSphere 4.0 (Infrastructure Virtualization suite), ESX 3.0/3.5, ESXi Server, Virtual Machines and vSphere Client.

oExpertise in Working on Data Encryption (Client-Side and Server-Side) and securing data at rest and in transit for data in S3, EBS, RDS, EMR, Red Shift using Key Management Service (KMS).

oExperience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, NIS+, OSPF, LDAP, DNS, NFS, DHCP, NAS, FTP, SSH and SAMBA.

Technical Skills:

Cloud Environments

Amazon Web Services(AWS), Azure, OpenStack, Pivotal Cloud Foundry (PCF), Google Cloud Platform (GCP)

Virtualization

VMWare ESX/ESXi, Windows Hyper-V, Power VM, Virtual box, Citrix Xen

Operating Systems

Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9/8, HP-UX 11.0, 11.11, 11.23, 11.31, V1, V2 & V3, Ubuntu 12/13/14, Windows NT /2000/2003, DEBIAN.

Automation Tools

Jenkins, super market, compliance, Kitchen, chef solo, Habitat, compliance, Puppet, Ansible, Docker, Vagrant, Terraform.

Web Servers

Tomcat, APACHE 2.x, 3.x, Ngnix.

Database

Cassandra, Redis, Aerospike, Oracle MySQL, MongoDB, AWS RDS, Aurora, DynamoDB.

Scripting languages

Perl, Python, Ruby, Bash shell, Power shell scripting, Groovy, PHP, Hashicorp, JSON

Networking/Protocol

DNS, DHCP, CISCO ASA Firewalls Routers/Switches, WAN, TCP/IP, NIS, NFS, SMTP, LAN, FTP

Version Control Tools

GIT, Subversion, CVS, Bitbucket, TFS.

Monitoring Tools

Nagios, Sensu, New Relic, AppDynamics, Cloud Watch, Splunk, Jira, Nexus.

Volume Manager

VERITAS volume manager, LVM with Linux

Application Servers

Web Logic Application server 9.x, 10.x, Apache Tomcat 5.x/7.x, Red Hat JBoss 4.22. GA Web Sphere 6.x/7.x/8.x

Professional Experience:

Wolters Kluwer

Waltham, MA.

Sr. Cloud/DevOps Engineer September 17 to Present

Responsibilities:

oImplemented Large Scale Cloud Infrastructure (250+ servers) using AWS services (S3, EC2, ELB, EBS, Route53, VPC, auto scaling etc.) and deployment services (OpsWorks and Cloud Formation) and security practices (IAM, Cloud watch and Cloud trail) and services Lambda, EMR, RedShift, ECS, Elastic Bean Stalk, X-ray.

oUsed IAM for creating roles, users, groups and implemented MFA (Multi Factor Authentication) to provide additional security to AWS account and its resources.

oUsing AWS OpsWorks to automatically spin-up API instances by running backend chef recipes.

oIdentify and eliminate performance bottlenecks during Software Development Lifecycle (SDLC).

oExtensively Used Jenkins as Continuous Integration tools to deploy the Spring Boot Microservices to AWS Cloud and Pivotal Cloud Foundry (PCF) using build pack.

oExtensive experience in configuring PCF components OAuth2 server and login server, Cloud Controller, nsync, BBS, Cell Rep, Blobstore, Diego Cell.

oPerformed Black Box testing of API (Developed Go language) during life cycle of product release.

oImplemented Chef Recipes for Deployment on build for internal Data Centre Servers. Also, re-used and modified same Chef Recipes to create a Deployment directly into Amazon EC2 Instances.

oDeveloping Docker images to support Development and Testing Teams and their pipelines; distributed Jenkins, JMeter images, and Elastic Search, Log stash & Kibana (ELK).

oConfigured Kubernetes Replication controllers to allow multiple pods such as Jenkins master server in multiple minions.

oManage re-architecture of Jenkins and integration with Confluence for release management and documentation assets. Re architect a Maven based system reducing build times.

oCoordinate/assist developers with establishing and applying appropriate branching, labeling/naming conventions using GIT source control and analyzed and resolved conflicts related to merging of source code for GIT.

oImplemented Cloud Formation for AWS orchestration and SQL, Utility Optimization for Red Shift.

oWritten reusable Templates for provisioning AWS infrastructure as a code using Terraform to build staging and production environments.

oWrote python scripts using Boto3 to automatically spin up the instances in AWS EC2 and OPS Works stacks and integrated with Auto scaling to automatically spin up the servers with configured AMIs’.

oExtensively worked on writing Java API's using Amazon Lambda to manage controller layer classes in MVC architecture.

oUsed Microservice architecture, with Spring Boot based services interacting through a combination of REST and leveraging AWS to build, test and deploy Identity Microservices.

oOptimize the NGINX/Apache/PHP/MySQL & Sysctl for better server performance.

oExperience in troubleshooting Cassandra, Redis and Aerospike Database server configurations to optimize them under heavy load situations.

oMonitoring API’s and Cassandra’s performance using New Relic, Cloud Watch and Log stash.

oTroubleshooting of network issues using DHCP, DIG, DNS, SNMP, SMTP, Ethernet, IOS, netstat, NFS, NIS, nslookup, RIP, OSPF, BGP, TCP/IP, and tcpdump.

oProvided support to release engineering teams through deployment configuration and automated codes, performed troubleshooting and problem forecasting as needed.

Environment: AWS, Pivotal Cloud Foundary (PCF), Chef, Docker, Kubernetes, Jenkins, Git, Cloud Formation, Terraform, Python, Java, MySQL, Ngnix, Apache, Cassandra, Aerospike, New Relic, ELK.

Fiserv, Inc.

Dallas, TX

Sr. Cloud/DevOps Engineer September 15 to September 17

Responsibilities:

oExpertise in AWS EC2/VPC/S3/SQS/SNS based automation through Terraform, Python, Bash Scripts. Adopted new features as they were released by Amazon, including ELB & EBS.

oCreated automation and deployment templates for relational and non-relational databases including MS SQL, MySQL, Cassandra and MongoDB can be used in AWS RDS .

oCreated AWS cloud formation templates to create custom-sized VPC, subnets, EC2 instances, ELB’s, security groups.

oAcquaintance with tagging standards for proper identification and ownership of EC2 instances and other AWS Services like Cloud Front, cloud watch, Elastic beanstalk, RDS, S3, Route53, SNS, SQS, Cloud Trail.

oManaging a team of DevOps engineers for infrastructure support on AWS cloud. Creating Cloud Formation scripts for hosting software on AWS cloud. Automating the installation of software through Power Shell scripts.

oExpertise in Azure infrastructure management (Azure Web Roles, Worker Roles, Azure SQL, Azure Storage, Azure AD Licenses, Office365).

oExperience in dealing with Windows Azure IaaS - Virtual Networks, Virtual Machines, Cloud Services, Resource Groups, Express Route, Traffic Manager, VPN, Load Balancing, Application Gateways, Auto-Scaling.

oProficient in using Docker in swam mode and Kubernetes for container orchestration, by writing Docker files and setting up the automated build on Docker HUB.

oImplemented a production ready, load balanced, highly available, fault tolerant AWS infrastructure and micro service container orchestration.

oHands on experience on Chef- Solo, compliance, habitat and super market.

oExtensive experience with Chef and OpsWorks in AWS cloud environment and implemented Chef-Kitchen on AWS and Pivotal Cloud Foundry (PCF).

oProficient in using Ansible Tower, which provides an easy-to-use dashboard and role based access control, so that it is easier to allow individual teams access to use Ansible for their deployments.

oAutomate the installation of ELK agent (file beat) with Ansible playbook.

oImplemented a Continuous Delivery pipeline with Docker, Jenkins, GitHub and AWS AMI’s. Whenever a new GitHub branch gets started, Jenkins server automatically attempts to build a new Docker container from it, the Docker container leverages Linux containers from the AMI baked in.

oConfiguring, automating and maintaining build and deployment CI/CD tool (Jenkins), git/ git-Lab, Docker registry/daemon, Nexus and JIRA for Multi-Environment (Local/POC/NON-PROD/PROD) with high degrees of standardization for both infrastructure and application stack automation in AWS cloud platform.

oConverted existing Terraform modules that had version conflicts to utilize cloud formation during Terraform deployments to enable more control or missing capabilities.

oDeployed and configured Elastic Search, Log stash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with AWS Lambda and Cloud Watch. Established DevOps culture based on Docker and Kubernetes tools.

oAutomated applications and MySQL container deployment in Docker using Python and monitor them using Nagios.

oInstalling, upgrading and configuring SUN Solaris 9/10 on Sun Servers using Jumpstart and Red Hat Linux 5.x Servers using Kickstart.

oCreated Python scripts to totally automate AWS services which includes web servers, ELB, Cloud Front distribution, database, EC2 and database security groups, S3 bucket and application configuration, this script creates stacks, single servers, or joins web servers to stacks.

oExperience in monitoring the availability & performance of Red Hat Linux Servers through tools like mpstat, vmstat, iostat, netstat and nfsstat.

oHeavily utilized the LAMP stack (Linux, Apache, MySQL, PHP/Perl) to meet customer needs.

oInstalled and configured various services like DNS, LDAP, DHCP, RPM, Send mail, Apache Web Server, Web Logic, NIS, SSH, Tomcat, Telnet, HTTP, HACMP, GPFS, SSL, NetApp, RPM Package Management and others.

oExperience in using Python packages like numpy, pandas, sklearn, selenium, scikit-learn, Boto.

oDesigned and implemented the vRealize suite and SAN/NAS implementation and management.

oAutomatically spin-up API’s and database servers in each layer of the OpsWorks Stack in AWS cloud using boto3 Python scripting.

oExpertise in Working on Data Encryption (Client-Side and Server-Side) and securing data at rest and in transit for data in S3, EBS, RDS, EMR, Red Shift using Key Management Service (KMS).

Environment: AWS, Azure, Chef, Ansible, Docker, Kubernetes, Jenkins, Git,Cloud Formation, Terraform, Python, KMS, Cassandra, MySQL, MS SQL, Mango DB, Power Shell, ELK, JIRA, Linux, vRealize, Linux.

Epsilon

Dallas, TX

Cloud/DevOps Engineer March 14 to September 15

Responsibilities:

oExperience in designing, configuring and managing public cloud infrastructures utilizing Amazon Web Services (AWS) including EC2, Auto-Scaling, high-availability, fault tolerance, in launching EC2 instances, Elastic Load Balancer, Elastic Beanstalk, S3, Glacier, cloud Front, RDS, VPC, Direct Connect, Route53, cloud Watch, cloud Formation, IAM, SNS.

oSetup and build AWS infrastructure various resources, VPC, EC2, S3, IAM, EBS, Security Group, Auto Scaling, and RDS in Cloud Formation JSON templates.

oManage AWS EC2 instances utilizing Auto Scaling, Elastic Load Balancing and Glacier for our QA and UAT environments as well as infrastructure servers for GIT.

oExperience with OpenStack Services such as Compute, Network, Storage, Horizon, Glance, Identity, Monitoring and Orchestration Service.

oKnowledge in Implementation of horizontal auto-scaling use cases using Open Stack components - Heat, Ceilometer, Lbaas.

oDeployed Zabbix to monitor and alert the health of Nova, Neutron, Keystone and other Open Stack services.

oIntegrated GIT into Jenkins to automate the code check-out process. Used Jenkins for automating Builds and Automating Deployments.

oImplemented multiple CI/CD pipelines as part of DevOps role for on-premises and cloud-based software using Jenkins, Chef and AWS/Docker.

oExpert in implementing continuous integration and deployment systems using Jenkins, Maven, Nexus, Anthill pro and Run deck

oExperienced in branching, tagging and maintaining the version across the environments using SCM tools like GIT, JIRA, Jenkins, Clear case, Harvest, VSS, Subversion (SVN) and TFS on Linux and windows platforms.

oWorked to setup Jenkins as a service inside the Docker swarm cluster to reduce the failover downtime to minutes and to automate the Docker containers deployment without using configuration management tool.

oInstalling and configuring of Chef server, Chef-solo along with creating Chef Cookbooks and implemented latest releases of Chef- Solo, Compliance, Habitat and written Chef Recipes to install and configure Nagios for monitoring Infrastructure.

oWorked with Chef Enterprise Hosted as well as On-Premise, Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef-server, Managed On-site OS/Applications/Services /Packages using Chef as well as AWS for EC2/S3/Route53 & ELB with Chef Cookbooks.

oWorked with development team to migrate Ant scripts to Maven.

oConfigured Subclipse (Subversion plugin for Eclipse) and trained developers to utilize its various features Extensively used Ant, Maven, Perl and Bash Scripts for automating build and release tasks.

oExperience in Monitoring tools like Nagios, Zabbix, cacti, SiteScope, AppDynamics, Splunk, Tivoli, Monit Scom, New Relic and Overops/Takipi.

oInvolved in Setting up Elastic Search, Log stash and Kibana(ELK)Created AWS Multi-Factor Authentication (MFA) for instance RDP/SSH logon, worked with teams to lock down security groups.

oCreated VM in Google Cloud Platform (GCP), installed Docker, Docker swarm.

oAdding/expanding new storage to existing/new systems using Logical Volume Manager (LVM), VERITAS Volume management (VVM) and Veritas File System (VxFS) on Linux/SUN servers.

oExperienced in configuration and maintenance of common Linux services such as Tomcat, Apache, MySQL, Postfix, LDAP, BIND, SSH, iptables and firewall etc.

oExperience in Networking including the OSI LAYERS and protocols such as TCP/IP, NIS, DNS, NFS, FTP, DHCP, HTTP, HTTPS, SFTP & SMTP.

oConfigured storage using Logical Volume Manager (LVM). Extending Volumes with LVM. Implemented RAID configuration for redundancy.

oCreated Python scripts to automate AWS S3 data upload/download and control instance operations with AWS API.

Environment: AWS, OpenStack, Chef, Git, SVN, TFS, Jenkins, Jira, Zabbix, Docker, Ant, Maven, Nagios, New Relic, ELK, Python, Bash, Red Hat Linux.

Fidelity Investments,

Raleigh, NC

DevOps Engineer: September 12 to March 14

Responsibilities:

oBuild new VMware ESX Server 4.x/5.x on HP HW running Red Hat Enterprise Linux & Created different virtual machines like Debian, windows 2003 & 2008 server, SuSE enterprise Linux using VMware Virtual Infrastructure Client tool and configured with EMC storage box.

oDeveloping build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments for Continuous Integration.

oExperienced in branching, tagging, and maintaining the version control systems across the environments using SCM tools like GITHub, Subversion (SVN), Atlassian, GIT lab and TFS on Linux and windows platforms.

oTroubleshooting the SAN connectivity on different OS like Windows, Linux, VMware and Solaris.

oWrote JUnit test cases for unit, integration, and functional tests, run automatically by Hudson/Jenkins in the builds triggered by each push to GIT.

oExperience in developing Puppet modules (blue prints) for installation, configuration and continuous integration (CI) using combination of Puppet Master, GIT, Vagrant and Jenkins/Udeploy.

oImplemented both Puppet Agent Based and Agentless Configurations, Puppet dashboards, Mcollective with activemq server, plugin-sync, stored configs, Hiera, Facter.

oAutomated deployment modules of IIS web applications, bindings and configuration settings using a combination of PowerShell scripts and Puppet.

oPerforming configuration management tasks on 150+ servers with the aid of Puppet Master Server and involved in writing Puppet manifests for customized configuration management.

oExperienced in monitoring system performance and check the status of the system using utilities such as SAR, VMSTAT, IOSTST, NETSAT etc.

oDeployed Mcollective for orchestration and wrote custom Mcollective plugins to deal specially with our needs.

oInstallation and configuration of JBoss, Web Sphere 5.1/6.0 Application Server on Ubuntu and CentOS boxes.

oCreating and Managing User and Group Administration and Access Privilege Setting with SUDOERS on Solaris 9/10/11, RHEL 5.x/6.x, Ubuntu.

oWorked on creating the Docker containers and Docker consoles for managing the application life cycle. Worked on various Docker components like Docker Engine, Hub, Machine, Compose and Docker Registry.

oSupport of Applications like Apache Tomcat and Java based applications running on Linux machines for multiple clients.

oExperienced with installation and configuration of F5, Application Security Manager (ASM) load balancers in different datacenters

oExperience in Troubleshooting Hardware, Storage, Application Bottlenecks. System Recovery, Crash dump analysis and Performance Tuning.

oExpert in Java Web Services (Both REST and SOAP), WSDL, UDDI, & SOA (Service Oriented Architecture) and have extensive knowledge on RESTful APIs, Banking and Mortgage product development.

oDesigned database tables for Oracle8i, Microsoft SQL Server version 7 and 2000, IBM DB2 version 6.1/7.1 and MYSQL 4.0.

oDeveloped custom optical system and interface circuitry for programmable LAMP (Linux, Apache, MySQL, Python/PHP).

oConfigured storage using Logical Volume Manager (LVM). Extending Volumes with LVM. Implemented RAID configuration for redundancy.

Environment: Red Hat Linux 7.x, Windows, AWS, Ansible, Git, Puppet, Jenkins, WebLogic Server 11g, Load Balancers, WLST, Apache Tomcat 7.x, Terraform, Docker, Virtualization, JBoss.

Sasken Technologies Ltd

Bengaluru, India

Linux Administrator August 10 to September 12

Responsibilities:

oAs a Linux/Unix system maintained the various servers and also Production Support of various applications in Red Hat Enterprise Linux, and Windows environment.

oInvolved in design, configuration, installation, implementation, management, maintain and support for the Corporate Linux servers RHEL 4.x, 5.x, SLES 9, CENTOS 5.x.

oExperience in Installation, Configuration, Upgrade, Patches, and performance tuning on UNIX and system software & hardware.

oExperience in Installing, configuring and maintaining the file sharing servers like Samba, NFS, FTP and also Web Sphere & Web Logic Application Servers, Nagios.

oExperienced in configuration and maintenance of common Linux services such as Tomcat, Apache, MySQL, NFS, FTP, Postfix, LDAP, DHCP, DNS BIND, HTTP, HTTPS, SSH, ip tables and firewall etc.

oAbility to handle load balancer implementations like bonding multiple interfaces into single bond in case of over load on LAN devices.

oStrong understanding in writing the automation of processes using the shell script with bash and Python

oBuilding servers with jumpstart using Kickstart, CD on timely basis, along with corporate wide requirements

oAdministering local and remote servers on daily basis, troubleshooting and correcting errors.

oExperienced with inter networking using TCP/IP and resolving network connectivity using tools like dig, nslookup, ping.

oMonitoring of web servers and other services using Nagios monitoring tool.

oMonitored the health of the application using Nagios

oInvolving and partitioning formatting disks and in filesystem management as Software RAID, LVM and VxVM.

oInstalling and configuring various servers as Apache web server, HTTP server, Samba.

oExperience in RHEL Provisioning, Upgrades, Patching, Configuration and Performance Tuning in Linux environment using satellite server.

oPerformed OS installations, OS Upgrades, and Server Patching by configuring PXE and DHCP server using Kickstart Configuration and by using Red Hat Satellite server.

oExperience in creating Disk Partitions, Logical Volume Manager (LVM) and RAID.

oDebugged network connectivity issues and involved in trouble shooting activities with commands ping, trace route, tcpdump, nslookup, netstat, iostat, top.

oDeveloped scripts based on bash/shell, Perl to manage the critical events.

Environment: Red Hat Linux 5/6.x, Windows 2008R2, WebLogic Server 11g, RAID, LVM, Web Sphere, Load Balancers, WLST, Apache Tomcat 5.5, Kickstart.

Apollo Hospitals Ltd,

Hyderabad, India.

Linux Systems Administrator June 09 to August 10

Responsibilities:

oWorked with Blade Chassis Enclosure HP with BL460c, BL680c, BL485c, BL420c servers for the installation of RHEL, OEL, CentOS 4.x, 5.x,6.x,7.x and VMware ESX 3.5 & 4.0, 5.0. 5.5 and 6.0.

oExtensively worked on BEA Web Logic 8i/9i Server, JBoss EAP 4.x/5.x/6.x Server, Apache HTTP and Apache Tomcat 6.x/7.x/8.x Server as an Administrator for Server Installations, Configuration, deployment, Performance, tuning including troubleshooting and maintenance.

oManaging systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.

oStrong working knowledge of Routers and Switches, VLAN, TCP/IP, VPN, OSI model, Firewall (checkpoint), VOIP.

oInstalled, configured and administered Apache 2.3.x and Apache Tomcat 5.5/6.0 on Red Hat 6.2

oInvolved in designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.

oPerformed OS installations, OS Upgrades, and Server Patching by configuring PXE and DHCP server using Kickstart Configuration and by using Red Hat Satellite server.

oInstalls, upgrades and manages packages via RPM and YUM package management

oInstalls Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.

oInvolved in helping others Linux Administrators to deployed Splunk in a Linux and windows environment

oManaging systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.

Environment: Red Hat Linux 5/6.x, Windows 2008R2, WebLogic Server 11g, RAID, LVM, Web Sphere, Load Balancers, WLST, Apache Tomcat 5.5, Kickstart.

Contact this candidate