SUMMARY

• Over 7 years of expertise in Linux Administrator and DevOps Engineer sturdy in Continues integration and Deployment, Cloud infrastructures, Databases, Open Source applications, Scaling sites, Debugging performance issues and putting out production fires. Build associated unleash Management and Cloud Implementation all at intervals that suites the wants of a setting beneath DevOps Culture.
• Implemented in Amazon Cloud a centralize log data processing system for the analysis of data streamed from different applications running in development, testing and production environment. The system was setup usingAWSKinesis, Elasticsearch + Kibana alsoAWSLambda, S3, CloudWatch, EC2, SNS, DynamoDB.
• Experience with Installation, Configurations, maintenance and support on Open stack, Open stack services (Nova, Neutron, Swift, Keystone, and Glance) and Eucalyptus. Automate all the Open stack installations and configurations via Ansible and Chef Automation.
• Installed, Configured maintained and supported on heterogeneous platforms like Red hat Linux, Centos Linux, Oracle Enterprise Linux, Solaris, VMware, Virtual Box, AWS, Windows, and HP - Unix.
• Strong knowledge on TCP/IP, UDP/IP, OSI Model, Switch and Router Configurations, Firewalls, load balancer (F5 and net scaler), storage platforms as SAN and NAS (EMC and Netapp storage arrays). And configure the DNS, DHCP, NFS, NTP, SSH, HTTP, HTTP/S.
• With chef delivery on AWS, Installed Chef Delivery on AWS, Created the organization and added a users, setup our work station, created the project, added our features web application, extended the build cook book with delivery-truck. manage the node, develop our infrastructure locally, manage a web application, test our infrastructure code, install and manage the our chef server, Access our infrastructure with chef compliance, remediate compliance failure on our infrastructure with chef, build a continues deployments with chef delivery.
• Experience with Virtualization Confidential like Installing, Configuring and administeringVMware ESX/ESXi and created, managed VMs (virtual server) and also involved in the maintenance of the virtual server.
• Installation, configuration administration, monitoring and backups of Attlassian Suite. A set of tools oriented to support SDLC documentation, application built and testing in continuous integration mode, project management and source code version Control management based on Git. Attlassian Suite is represented by the following tools Confluence, Bamboo, Jira and Stash
• Installed RHEL victimization Kickstart with Pre-Installation and Post-Installation Scripts, PXE and VMWARE Templates.
• Setting in Amazon Cloud and local data center of infrastructures to support Big Data distribution, scalability and in general operations. For this purpose has been working with the followingAWS services: VPC, EC2, IAM and S3, Cloud formation, OpsWork.
• Checking the cookbooks in test kitchen and upload into the actual chef server using KNIFE ssl and make ssh connection chefDK to Vagrant, sign the certificates and manage the multiple nodes with server.
• Developing and managing user Accounts, procedure security, efficiency tuning, exchange administration, files and tactics on Linux.
• Improved continuous integration work flow, project testing, and deployments with Jenkins. Enforced code coverage and unit take a look at plug-ins with Maven in Jenkins. Intimate with in exploitation build automation tools like hymenopter, Bamboo and Gradle.
• Strong understanding ofVMwareNetworking concepts like creation of vSwitches, different types of port groups, NIC Teaming and VLAN Problem management onVMware ESX 5.0, 5.1, 5.3 and 6.0 and Virtual Center and vMotion.
• Excellent knowledge in creating and managing users, permission setting, roles and responsibility assignment and VM resource allocation on ESXi hosts.
• Experience in Writing/ Maintaining & troubleshooting scripts written both in MS Power Shell and/or Python script for build & operations environment to develop/test/implement automation tools.
• Configured VmWare on clustered environment, Implemented VMotion, Virtualized Windows servers usingVMwareConverter P2V and setup Lab Manager.
• I have also been part of various tools and environments like Networking. I have helped the team Leverage Firewall Rules, VPN, Tunneling across datacenters, Zones and Security.
• Maintained multiple Applications that run in a Multi Tenant Environment. Such as Load Balancer to Web server to App Server and Databases which are SQL or No-SQL Databases.
• Migrated VMs to AWS and Used Chef Cookbooks to Leverage AWS Components like EC2/ELB/EBS/S3/Route53DNS/IAM Security, Custom AMIs and Wrote Custom Cookbooks and Recipes to Manage Computer Resources Application, For Example writing the cookbooks to install and configure the Apache/Mysql/Php/Tomcat.
• Hands-on Chef Analytics platform is a feature of Chef that provides real-time visibility into what is happening on the Chef server, including what’s changing, who made those changes, and when they occurred used Components as node view, time line view, rules, alerts, notifications from chef analytics, reports, analytics data from chef nodes to server, controls, audit the alarm.
• Installed the puppet master servers and wrote the Modules, Manifests to create the VM’s in Vmware as well as and configure the instances with needed of Packages/Services/Templates.
• Installed Docker that automates the deployment of applications inside software containers, by providing an additional layer of abstraction and automation of operating-system-level virtualization on Linux.
• Provided the isolation features of the Linux kernel such as Cgroups and kernel namespaces, and a union-capable file system such as Aufs and others to allow independent "containers" to run within a single Linux instance, avoiding the overhead of starting and maintaining virtual machines.
• Hands on Ansible to write the playbooks, setting environments and working with the proxies, error handling in playbooks, directive glossary (plays, roles, blocks and tasks). And have an idea about Ansible tower, Yaml syntaxes, porting pluggins, porting custom scripts and Hybrid scripts.
• Knowledge in file process ideas LVM, SVM, VxVM. Growing new file techniques, growing and lowering file programs, mounting file techniques, Unmounting file programs and troubleshooting Disk space problems. Effectivity in putting in, configuring and implementing the RAID applied sciences using quite a lot of tools like VxVM and SVM.
• Set up, Configuration and management of RDBMS and NoSql instruments reminiscent of SQL Server 2008/2012/2014 , MySQL, DB2, PostgreSQL, and MongoDB& Cassandra.
• Understanding of working in a crew combined with excellent interpersonal abilities.

TECHNICAL SKILLS

DevOps Tools: Chef, Puppet, Ansible, Docker, Jenkins.

Build Tools: Ant, Maven, Gradle, Jenkins.

Operating systems: Sun Solaris 11/10, Red Hat Linux 5.x/6.x/7 SUSE 10/11/12, Bunt, OEL, CentOS, Windows Server 2003/2008/2012.

Hardware: Sun Ultra Enterprise Servers (E3500, E4500, E450, E420R, E250) Sun Fire (6800/4800/3800/ v880/v480/v210/v440/280R/15K/25K), Sun Workstations (Ultra 5, 10,20,Blade 100,150,2000),SunstorEDGEA1000 and D1000, HP 9000 series, IBM RS/6000, p Series, x Series.

Servers: Dell R710, R720, R510 and R910, IBM Blade Servers.

Network Protocols: SMTP, SNMP, ICMP, TCP/IP, FTP, TELNET,UDP, and RIP, discs, Fiber Channel.

Software and Tools: VERITAS Volume manager 3.x/4.x, WINSCP, FTP, SSL, VERITAS clusters services, Cisco, CNR and SEND MAIL.

Backup Management: Netback up 4.x/5.x/6.x, Solstice Disk Suite, tar.

Web/Application Servers: Tomcat, Apache, Websphere, and JBoss.

Database: Oracle, DB2, MySql, Cassandra, MongoDB 7 SQL Server 2008/2012/2014

Languages: Shell Scripting, Perl, Python, Ruby

Cloud Services: Amazon Web Services, Open Stack, Microsoft Azure.

PROFESSIONAL EXPERIENCE

Confidential, Raleigh, NC

Sr. Linux Administrator / Devops Engineer

Responsibilities:

• Installation, Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Sendmail on Redhat Linux/Debian Servers
• Networking and infrastructure monitoring, management and alerting tools Configure and administration of DNS, FTP, DHCP, LDAP, SAMBA and Sendmail servers and Worked on load balancers and other high availability solutions.
• As worked for open stack, familiar with dash boards, compute, Networking provide a web based self services portal to interacting with underlying open stack services like, launching an instances, assigning ip addresses and configuring access controls.
• In open stack I also have experience with the storage services as, object storage and Block storage. For the shared services identity services, Image services, and telemetry. For the high level services, orchestration services, database, and data base processing services.
• Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain, SVN/GIT with Devel/Test/Prod Branching Model for weekly releases.
• Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped the Nodes using Knife.
• Automation the Weekly releases with ANT/Maven scripting for Compiling Java Code, Debugging and Placing Builds into Maven Repository.
• Had a good experience with chef analytics architecture stages i.e, chef server, webUI, action pipeline, notifications and data stores, user interface and data tracking.
• Responsible for configuration and upgrades & interaction with development team to troubleshooting system errors & failures.
• With chef delivery on AWS, Installed Chef Delivery on AWS, Created the organization and added a users, setup our work station, created the project, added our features web application, extended the build cook book with delivery-truck.
• Run chef spec, run chef-client on local machine, unit tests with domain specific language to be setup and executed, syntaxes, context, let, require chefspec, and resources are like file, templates, package, chef gem, directory, and guards.
• Checking the cookbooks in test kitchen and upload into the actual chef server using KNIFE ssl and make ssh connection chefDK to Vagrant, sign the certificates and manage the multiple nodes with server.
• Designed and developed automated deployment and scaling processes based on Vagrant and Chef for a wide range of server types and application tiers, including Elasticsearch.
• Created automation and deployment templates for relational and nosql databases (standalone and RDS), including MSSQL, Mysql, MongoDB.
• Created our base Amazon Machine Images (AMIs) using Chef and Spin up Chef AMIs directly from the AWS Marketplace, providing instant access to premium features.
• With chef, Managed the AWS Resources and infrastructure set up quickly and easily. Managed EC2 instances directly and leverage the cookbooks to manage AWS resources such as Security Groups, Elastic Load Balancers (ELB) and Elastic Block Storage volumes (EBS).
• Created the fully configured environments on AWS with the push of a button, giving your developers the power to spin up consistent environments where they can experiment and innovate.
• Wrote the custom cookbooks to send to the test kitchen for the testing environments and then send to the chef server and share the resources among all the Nodes by using the Kitchen-vagrants, recipes, logs, files, Attributes, Templates, Prewritten cookbooks from chef site.
• Ensure Availability and HA, Provided the plugins for AWS and migrated the virtual IP address and an EBS volume from one Chef Backend to another.
• Incorporated with chef CloudFormation template and Autoscale by updating your autoscaling group without having to create new AMIs.
• Designed and implementedChef, including the internal best practices,cookbooks, automatedcookbookCI and CD system. Made use of Jenkins forChefCI, Rake for style and linting, Thor for versioning, Berkshelf for dependency management, and Test-Kitchen for testing and development.
• Work with development teams and business areas to plan future capacity requirements and hold regular meetings to review usage as well as create, revise, and report any new measurements required to manage mainframe or distributed environments.
• Planned and performed the upgrades on Linux and AIX operating systems and hardware maintenance on HP and POWER servers like increasing memory, disk, replacing failed hardware.
• Administration of DHCP, FTP, NFS, Apache-Tomcat, Samba, Squid proxy on Linux and monitoring the server’s health status using with different tools.
• Installed the chef DK, setup text editor, create a directories, Install git - ssh client and generate the private key and get a node to bootstrap, and verify the network access.
• By using the chef delivery on AWS, increased the number of features per release by 50%, reduced the number of defects per release by 70%, went from 1 release every two days to 12 releases per day.
• Providing Application Support on RedHat Servers which included Apache configuration RPM package installation & upgrade released by RedHat from repository.
• Managed corporate LAN, MAN and WAN infrastructure consisting of Cisco routers.
• Administration of client computer using SSH and FTP.
• Checking the cookbooks in test kitchen and upload into the actual chef server using KNIFE ssl and make ssh connection chefDK to Vagrant, sign the certificates and manage the multiple nodes with server.
• Creating customized Kickstart profiles for each server and making ISO to build the server.
• Applied patches every quarter regularly to meet audit requirements using Oracle Ops Center, Red Hat Satellite server, Up2Date, YUM, RPM tools.
• Hands on serverspec by created the directory in test/integration/default/serverspec and add file in spec helper.rb, write the test, and automate the serverspec testing in chef
• Worked with JIRA for creating Projects, assigning permissions to users and groups for the projects & Created Mail handlers and notification Schemes for JIRA.
• Insure impact of software releases to system performance and resource utilization of distributed and mainframe platforms are acceptable during load testing.
• Implementation, Integration, Problem Resolution, Root Cause Analysis, Quality Assurance, Disaster Recovery, Audits, Hardware/Software OS & Application Maintenance, Performance Tuning, Upgrades, OS Backups, Migrations, User Account Maintenance, Storage Management and all other daily system administration functions.

Confidential, Foster City, CA

Linux Administrator / DevOps Engineer

Responsibilities:

• Promoted to systems administrator role to lead a three-member IT team in configuring, troubleshooting and maintaining Linux and Unix infrastructure for a mid-sized educational services company. Provided ongoing management, performance-tuning and Tier 3 support for approximately 50 Linux and UNIX systems.
• Worked on installation, configuration and maintenance Debian/Redhat, CentOS and Suse Servers at multiple Data Centers.
• Monitored the servers and Linux scripts regularly and performed troubleshooting steps - Tested and installed the latest softwareon server for end-users.
• Configuring and implementing DHCP, DNS, SAMBA, installation and configuration on different platforms in heterogeneous network environment.
• Disk Management, partitioning tools like fdisk, sfdisk etc. file system management ext3 file system & utilities (mke2fs, e2fsck, tune2fs) LVM physical volumes and logical volumes & volume groups extending filesystems on LVM mount, unmount of filesystems - /etc/fstab mount optionsdisk quota.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
• Design, develop and implement an automated Linux (Centos, Amazon) infrastructure using Puppet, MCollective and AWS and move existing applications off windows seamlessly to it while aggressively growing.
• Strong experience in setup, deployment and configuration of RHEL based on servers in an enterprise environment.Setup and Maintenance of MySQL and configuration or replication across multiple machines.
• Worked with Perl, PHP, shell scripting, and SQL (on MySQL and Postgres databases) in a Linux environment. Worked as part of the Infrastructure group and created a MySQL maintenance script to monitor and maintain our MySQL database farms. This included replication, backups and backup growth, and log/replication file cleanup as well as trend/status reporting to our monitoring systems.Ported our AP wire feed parser to Perl from C++.
• Deployed puppet for existing configuration infrastructure.
• Created modules, manifests, to deploy the application.
• Adding the puppet master to the host file and install configure the puppet agent, Install the puppet repository from the puppet Labs, sign the certificates and push to the config to right node.
• Creating manifests which includes Node definition, Resource declaration, variables and classes and created node.pp file in production environments.
• Installed/Configured/Managed Puppet Master/Agent. Wrote custom Modules and Manifests, downloaded pre-written modules from puppet-forge. Upgradation or Migration of Puppet Community and Enterprise.
• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Ansible, Puppet, or custom-built .designing cloud-hosted solutions, specific AWS product suite experience.
• Configured RedHat Kickstart for installing multiple production servers.
• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Ansible, Puppet, or custom-built .designing cloud-hosted solutions, specific AWS product suite experience.
• Proficient in using all Amazon Web Services including EC2, EBS, IAM, S3, ELB.
• Experience working with production servers at multiple data centers.
• Worked on Physical to Cloud Migration in AWS.
• Experience in migration of consumer data from one production server to another production server over the network with the help of Bash and Perl scripting.
• Used Puppet for Monitoring system and automation.
• Installed and configured monitoring tools Nagios for monitoring the network bandwidth and the hard drives status.
• Developed and supported the Red Hat Enterprise Linux based infrastructure in the cloud environment.
• Experience in AWS, which included managing application in the cloud and creating instances.
• Developed automation scripting inPython (core)usingPuppetto deploy and manage Java applications across Linux servers.
• Worked on Version controller like GIT and integration tools: Jenkins
• Logged events from forced crash dumps and troubleshoot server issues.
• Configured yum repository server for installing packages from a centralized server.
• Installed Fuse to mount the keys on every Debian Production Server for password-less authentication.
• Experience with Configuration Management Tools (PUPPET, Ansible).
• Installed and configured DCHP server to give IP leases to production servers.
• Management of RedHat Linux user accounts, groups, directories and file permissions.
• Applied the Clustering Topology that meets High Availability and Failover requirement for performance and functionality.
• Installation, Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Sendmail on Redhat Linux/Debian Servers.
• Configured, managed ESX VM’s with virtual center and VI client.
• Performance monitoring using SAR, Iostat, VMstat and MPstaton servers and also logged to munin monitoring tool for graphical view.
• Installed packages with yum and rpm.
• Installation and configuration of PostgresSQL database on RedHat/Debian Servers and Performed Disk management with the help of LVM (Logical Volume Manager).
• Configuration and Administration of Apache Web Server and SSL. Created and maintained network users, user environment, directories, and security.
• Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.
• Provided 24/7 on call support on Linux Production Servers. Responsible for maintaining security on Redhat Linux.

Confidential, San Francisco, CA

Linux System Administrator

Responsibilities:

• Provided on-call pager support for Critical Production Systems and applications and Documentation writing and re-organizing within portal.
• Resolving TCP/IP network access problems for the clients. Implementing Remote System Monitoring with Sun Microsystems. Develop, Maintain, update various scripts for services (start, stop, restart, recycle, cron jobs) UNIX based shell.
• User Account Management, Group Account Management, configuring dumb terminals, adding modems, formatting and partitioning disks, manipulating swap, local and remote printer management, taking and restoring backup, scheduling jobs
• Responsible for installing, configuring, and maintaining Linux servers including web servers, mail servers, application servers and database servers for this major provider of financial services.
• Major roles are optimizing system performance and protecting the company from risk and data loss; performing software installations and upgrades to Linux systems and maintaining them in accordance with established policies, procedures and service level agreements.
• ConfiguredVMwareon clustered environment, Implemented VMotion, Virtualized Windows servers usingVmwareConverter P2V and setup Lab Manager.
• Administrating DNS, DHCP, and Exchange servers. Created and managed user and group accounts in User Manager and in MS Exchangtration.
• Installation and Configuration of networks, router/switches configuration and wireless access point/router with security, TCP/IP, VPN, Content Filtering, Access Control Lists on router/switches, VLANs (port mapping, naming etc.), and routing IP address in both LAN/WAN and wireless networks.
• Disaster recovery planning, implementation and recovering systems during crash or hardware failure.
• Involved in installation and configuration operating system Red hat Enterprise Linux (RHEL5.3 and RHEL 5.4) in development and test environments almost six levels on HP physical servers and Virtual Machines
• Worked with VMware ESXi 4.0
• Designed, managed, implemented/ supported: Backup/Recovery/Archive, Security Startup/Shutdown, Mass Storage (SAN/NAS), OS Installations/Patches, Hardware/Software installation, Batch scheduling, Data center Migration, Application and Server performance
• Worked in adding new Users and groups and give sudo access in test and development servers and central file synchronization via sudoers, authorized keys, passwd, shadow, group
• Worked with DBA team in installing and configuring Oracle 10 g and 11g, Sybase, Db2 client v 8.1 and v9.0
• Involved in installing and configure Virtual Machine Using Oracle VM Manager
• Coordinated with application team in installation, configuration and troubleshoot issues with Apache, Web logic on Linux servers
• Used VERITAS Volume manager to create disk groups, volumes, volume groups, and RAID’s
• Involved in back up, firewall rules, LVM configuration, monitoring servers and on call support
• Involved in shell scripting for system/application in automating server task, installing and monitoring applications and data feeding file transfer and log files
• Involved in installing and configuring operating system Red hat Enterprise Linux in Production, QA and test environments on standalone IBM servers and IBM Blade Center Hardware
• Configured Kickstart for RHEL 5 to perform image installation through network
• Worked with Red hat Linux tools like RPM to install packages and patches for Red hat Linux Server and managed virtualized OS
• Worked on network connectivity, SAN storage, creating LVM and taking TSM backup
• Creating and managing user accounts and groups and their permissions and creating files and directories permission
• Co-ordinate with Middle ware team in installation, configuration and troubleshoot issues with b Application Server and Apache/Tomcat server on Linux
• Installed/Configured/Maintained/Administrated the network servers DNS, NFS and application servers Apache and Samba server
• Extensively worked with the LAN/WAN, firewalls and routing for Internet and Intranet connectivity using different protocols like TCP/IP, DHCP, HTTP/s, FTP, SMTP & SSH
• Involved in DMZ firewall rules, configure iptables and iptablesinitscript, start and stop init script for Apache and other application server
• Created BASH shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
• Modifying user’s password policies, group policy, UID and GID assignment policies
• Monitored the performance of the system using top, sar, ps, prstat, vmstat, netstat, iostat and cpuinfo to check the CPU utilization, bottlenecks of I/O devices, memory usage and network traffic
• Utilized Security Information and Event Management (SIEM), Intrusion Detection & Prevention (IDS / IPS), Data Leakage Prevention (DLP), forensics, sniffers and malware analysis tools
• To troubleshoot network connectivity used ping, netstat, ifconfig, and trace route commands. To login to the remote system using sudo, putty and telnet. To transfer files across the systems on the network used ftp and scp commands
• Linux technical support and prepared technical documentation for check in verification
• Regular backing up of critical data and restoring backed up data Worked in solving tickets issued on day to day activities and problems related to development and test servers
• Network installation server through automation tools Cobbler, install and deployment operating system, and package management.

Confidential, Tampa, FL

Linux System Administrator

Responsibilities:

• Worked on configuring SSL certificates in, Apache, Apache Tomcat, thread dumps
• Initiating the crisis management calls and provide troubleshooting during the outage situation
• Installing, Configuring and Maintaining the DHCP, DNS, NFS, NIS, send mail server and LDAP.
• User Account Management, Group Account Management, configuring dumb terminals, adding modems, formatting and partitioning disks, manipulating swap, local and remote printer management, taking and restoring backup, scheduling jobs.
• Performance tuning and preventive maintenance, performed daily backup.
• Resolving TCP/IP network access problems for the clients. Implementing Remote System Monitoring with Sun Microsystems. Develop, Maintain, update various scripts for services (start, stop, restart, recycle, cron jobs) unix based shell
• Scheduling full and incremental backups using Net Backup on daily, weekly and monthly basis. Experience with adding and configuring devices like Hard disks and Backup devices etc.
• Deployment and maintenance of Redhat Linux, Windows Server 2000, 2003 and ESX/ESXi servers and app software in across the network mostly Dell, HP and IBM hardware.
• OS upgrades and installation of third party software, packages and patches as per client requirement.
• Installed different types of long range RADIO (Motorola Canopy Backhaul, AP and SM, Deliberant, En-Genus, eSatetc) over the network and Configured as per requirement to connect with Internet.
• Installed and configured Router/Switch, VIOP devices for customer like Ministry of General Administration, Nepal Electricity Authority and major Banking and Financial Institutes.
• Involved in Designing Network and Datacenter for different customers and build the Unix/Linux servers, migrated data one datacenter to new datacenter.
• Build the Linux Firewall for network and implement to secure the network.
• Efficiently managed RAID, File system through LVM
• Provided on-call pager support for Critical Production Systems and applications and Documentation writing and re-organizing within portal
• Installed the latest patches for, Oracle on Red hat Linux servers, Configured and administered Send mail, Samba, Squid servers in Linux environment.
• Worked closely with network/incident analysts and IC analysts to monitor current attack and threat information to identify.
• Implement and maintain server virtualization using VMware, ESXi, Oracle Virtual Manager.

Confidential

Jr. System Administrator

Responsibilities:

• Implemented and configured brand new VMwarevirtual infrastructure cluster running on servers and an storage array
• Coordinated with application team in installation, configuration and troubleshoot issues with JBoss servers.
• Installation and configuration of database systems e.g. MySQL, Oracle
• Involved in creating virtual machine using Oracle Virtual Manager, Creating server pool,VM cloning
• System monitoring and remote connection management usingtelnetandSSHconnections
• Experience in setup Storage area Network (SAN) and NAS and file systembackup and restore
• 24x7 on-call rotation for support of production systems.
• System Installation and configuration (RHEL, Solaris, Windows Servers)
• Monitoring, analyzing, and responding to security events utilizing security event management and reporting tools.
• Account,user and group administration, Permissions policy management and quota implementation.
• Systemperformance monitoring, tuning andlog management
• TCP/IP Networking troubleshooting and Linux Network Administration
• Worked closely with network/incident analysts and IC analysts to monitor current attack and threat information to identify.
• Installed and configured Router/Switch, VIOP devices for customer like Ministry of General Administration, Nepal Electricity Authority and major Banking and Financial Institutes.
• Involved in Designing Network and Datacenter for different customers and build the Unix/Linux servers, migrated data one datacenter to new datacenter.
• Build the Linux Firewall for network and implement to secure the network.
• Efficiently managed RAID, File system through LVM.
• Worked on configuring SSL certificates in, Apache, Apache Tomcat, thread dumps
• Initiating the crisis management calls and provide troubleshooting during the outage situation
• Installing, Configuring and Maintaining the DHCP, DNS, NFS, NIS, send mail server and LDAP.
• User Account Management, Group Account Management, configuring dumb terminals, adding modems, formatting and partitioning disks, manipulating swap, local and remote printer management, taking and restoring backup, scheduling jobs.
• Performance tuning and preventive maintenance, performed daily backup.
• Resolving TCP/IP network access problems for the clients. Implementing Remote System Monitoring with Sun Microsystems. Develop, Maintain, update various scripts for services (start, stop, restart, recycle, cron jobs) Unix based shell
• Scheduling full and incremental backups using Net Backup on daily, weekly and monthly basis. Experience with adding and configuring devices like Hard disks and Backup devices etc.
• OS upgrades and installation of third party software, packages and patches as per client requirement.
• Installed different types of long range RADIO (Motorola Canopy Backhaul, AP and SM, Deliberant, En-Genus, eSatetc) over the network and Configured as per requirement to connect with Internet.
• Installed and configured Router/Switch, VIOP devices for customer like Ministry of General Administration, Nepal Electricity Authority and major Banking and Financial Institutes.
• Responsible for installing, configuring, and maintaining Linux servers including web servers, mail servers, application servers and database servers for this major provider of financial services.
• Key roles for optimizing system performance and protecting the company from risk and data loss; performing software installations and upgrades to Linux systems and maintaining them in accordance with established policies, procedures and service level agreements.