Sr. Linux/aws Admin Resume
El Segundo, CA
SUMMARY
- Over 8 years of IT industry experience as a System Administrator under environment of Red Hat Enterprise Linux 4.x/5.x/6.x/7.x, Sun Solaris (8/9/10), AIX (5.x), OEL 5, Cent OS 6/7, Ubuntu and Windows.
- Strong experience in automating the system administration tasks using Perl, Python and Shell Scripts.
- Extensive experience in installing, upgrading, maintaining and configuring Red Hat Enterprise Linux on Dell Power edge servers using Custom and kick - start installation, and Sun Solaris Sun Spark servers using Jumpstart installation.
- Expertise in Automating processes like start server, stop server, etc., using Shell Scripting.
- Experience in monitoring the availability & performance of RedHat Linux Servers through tools like mpstat, vmstat, iostat, netstat and nfsstat.
- Good working knowledge of network & UNIX security procedures.
- Participate in installing and configuring of UNIX/Linux based Oracle 10g products.
- Experience in backup/restore of PostgreSQL, Informix databases.
- Good Expertise in Planning, Installing and Configuring Hadoop Cluster based on the business needs.
- Experience in Administration of RHEL 3, 4, 5 & 6, which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
- Hands on experience in configuration management systems like Puppet, Cobbler and Blade logic.
- Expertise in creating scripts with Korn, Perl that would help in automation and simplification of jobs.
- Good Working knowledge of LDAP, Active Directory, SSSD, Kerberos and Samba.
- Experience in installing, configuring and administering Unix Utilities like SUDO.
- Installation and configuration of httpd, ftp servers, TCP/IP, DHCP, DNS, NFS and NIS.
- Experience in Understand and Configuring /etc/fstab and /etc/mtab configuration files.
- Troubleshoot NIS, NFS, DNS and other network issues, Create dump files, backups.
- Experience in analyzing logs, problem determination, and Recovery and restart.
- Hands on experience in developing design documents for ETL components.
- Extensive experience in UNIX performance monitoring and kernel tuning and Load balancing to ensure stable performance.
- Having work experience on vRealize Orchestrator 7.3 to make a cluster with existing node.
- Experience with ITIL and ITSM tool.
- Experience in designing and deploying AWS Solutions using EC2, S3, EBS, Elastic Load balancer (ELB), auto-scaling groups.
- Experience working on Apache, Nginx web servers.
- Configuring, Automating and Deploying Chef, Puppet and Ansible for configuration management to existing Infrastructure.
- Experience working with PKI, SSL certificates with the use of OpenSSL, curl, etc.
- Automated the backups of our Couchbase, Mongo, and MySQL clusters providing hourly snapshots for disaster recovery and development environment creation.
- Experience in Installation and configuration of Sudo for users to access the root privileges.
- Proficient in installation of Packages, Patches and maintenance & RPM updates on Linux.
- Configuration of the RAID 1 and RAID 5 Storage using Veritas File system and Volume Manager.
- Extensively worked on configuring NIS, NIS+, NFS, DNS, DHCP, Auto mount, FTP, Mail servers.
- Disk and File system management through Logical Volume Manager (LVM) on Linux and Solaris Volume Manager (SVM) on Solaris.
- Experience in configuration, implementation and support of Salesforce CRM and Salesforce SFA applications.
- Worked with Containers (Docker Swarm), Containers Orchestration (Kubernetes) and OpenShift.
- Provide 24x7 on call server support for UNIX environment and Sun Solaris.
- Experience in Server build using Jumpstart, NIM, Ignite and kick-start Process.
- Experience in administering VMware Infrastructure Client 3.5 and vSphere 4.0, Xen, KVM.
- Successfully uploaded files into Hive and HDFS from MongoDB, HBase.
- Good Knowledge on NoSQL databases MongoDB & HBase.
TECHNICAL SKILLS
Unix/Windows & ESX/ESXi: installation, configuration& troubleshooting.
Automation tools: (Jenkins & Ansible).
AWS EC2: instances, Route53, Subnets.
Logical Volume Manager: (LVM) & Veritas Volume Manager. LAN/WAN Administration. VMware Fault Tolerance (FT). VCenter server, Host profiles, vApp, vMotion, vspehereHA and DRS.
Veritas and Oracle RAC cluster technologies: TCP/IP, NFS, Networking. LDAP, PAM, Kerberos, SSSD, realm, openssl.
Operating Systems: Red Hat Linux Windows 7.8,10, Windows Server OS.
Servers Managed Application servers: Database servers, Web servers, DNS server, NIS, LDAP, NFS, FTP server, firewall, CARP, HSRP, ARP. Hardware HP ProLiantDell Power Edge 720XD, 730XD.
Monitoring Tools: Nagios, Ganglia. Hadoop.
Software/ Applications/ Tools: DBCA, DBUA, Recovery Manager (RMAN), Couchbase, Oracle Enterprise Manager (OEM), OEM Grid Control, ETL, Oracle Data Guard, API, PostgreSQL, Web Logic, Oracle Management Service (OMS), Real Application Clusters (RAC), ASM, Data Pump (expdp, impdp), UML diagrams, SQL*Plus, SQL*Loader, Golden Gate, MongoDB.
Languages: UNIX Shell Scripting, Perl Scripting, HTML, Java Scripts, SQL Plus and PL/SQL, PL/SQL, C, C++, ASP.NET, ADO.NET, C#.NET, FORTRAN.
PROFESSIONAL EXPERIENCE
Sr. Linux/AWS admin
Confidential - El Segundo, CA
Responsibilities:
- Installation and configuration of Red Hat Enterprise Linux (RHEL) 5x, 6x, 7x Servers on HP, Dell Hardware and VMware virtual environment.
- Configuring Red Hat High Availability Cluster and Failover Cluster servers Confidential Datacenter.
- Installed and Configured RedHat Linux Kickstart and booting from SAN and managing multipathing Confidential boot level and OS level.
- Upgraded servers from RHEL6 to 7 and to minor kernel realses upto RHEL 7.3.
- Created host clusters for high availability of VMs with vMotion capabilities.
- Created and maintained VM templates for Web, App and DB servers as well as Ubuntu and windows 7/8/10 VDI desktops so that new server/desktop can be deployed in no time on demand.
- Configured Ansible to manage AWS environments and automate the build process for core AMIs used by all application deployments.
- Migrated Linux/Windows physical servers to VMs using VCenter P2V converter.
- Setup Active directory integrated Samba servers on CentOS and Ubuntu servers.
- Installed, configured and maintained open source Spacewalk servers for Linux servers patching and applied new security patches as they become available.
- Upgraded Linux OS kernels to the latest 6.6/6.7 kernels.
- Installed and configured open source Puppet server for firm wide configuration management.
- Responsible for design and architecture of different release environments for new projects.
- Work Confidential optimizing volumes and EC2 instances and created multiple VPC instances.
- Create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
- Set up/configure Apache, Nginx, MySQL, FTP, VPN, and Postfix.
- Investigated customer LDAP and LDAPS configurations to ensure certificates and Active Directory were correctly configured.
- Extensively involved in Optimization of Data Migration, ETL Processes.
- Experience installing and configuring SSH (Secure Shell) encryption in order to access securely on Ubuntu and Red hat Linux.
- Analyze SCAP Scans and assist with Information Assurance related efforts such as vulnerability remediation.
- Created vRealize Orchestrator work flow for snapshot cleanup for all regions using PowerShell scripts and scheduled it.
- Worked on troubleshooting for LDAP and Siteminder issues with Support Teams for newer initiatives Confidential organization level.
- Management of configuration files, services, packages using puppet.
- Maintain Jenkins continuous integration infrastructure and automated releases to DEV/TEST/STG/PROD environments.
- Designed a module needed for file transfer with end-to-end encryption using OpenSSL and ACE library.
- Troubleshoot Web Services API and Apache Tomcat.
- Implemented a Continuous Delivery framework using Jenkins, Puppet in Linux environment.
- Involved in complete Administration tasks on UNIX, Red Hat Linux and Solaris and documentation for the projects executed.
- Integrated CA SSO, CA Access Gateway with CA API Gateway for OAuth based Security Access.
- Setup multipath and LVM volumes on Linux servers.
- Installing, configuring and securing Kubernetes clusters.
- Troubleshoot various OS and network related issues and provided RCA.
- Worked on sev1, 2, 3 tickets, service requests and production changes and releases.
- Install, configure and maintain web server like Apache Web Server.
- Streamlined installation of OpenShift on partner cloud infrastructure such as AWS and Azure.
- Create policies for projects according to client requirements.
- Design highly available systems using multiple EC2 instances, Auto Scaling, Elastic Load Balance and AMIs.
- Creating and using Ansible templates to create customized configuration files for hosts.
- Using ANT, Puppet Scripts with Ivy to build the application and deploy.
- Worked on MongoDB database design and Indexing Techniques.
- Troubleshooting all kinds of UNIX problems and assisting users.
- Create Route 53 DNS entry for domain name resolution.
- Familiar with MongoDB write concern to avoid loss of data during system failures.
- Create and manage S3 buckets; Enable logging in S3 bucket to track the request who is accessing the data and also enable versioning in S3 bucket and restore the deleted file.
- Create CloudFront to speed up the distribution of web content.
- Worked on Creating API's on nodeJS and AngularJS.
- Troubleshot proxy access issues to run curl and update CPAN services for Perl and assorted Python scripting languages.
- Configure schedule snap vault backup on volumes and project shares.
- Utilize EBS to store persistent data and diminish failure by using snapshots.
- Create Docker containers to build ship and run any app or image to deploy the applications.
- Server configure management via Chef.
- Experience with AWS SDK and AWS API.
- Upgraded VMware vRealize Log Insight 3.6 to 4.6 in all regional sites.
- Use Multi Factor Authentication to secure the AWS Account.
- Maintains the integrity and security of servers and systems, by creating and managing security groups.
Environment: AWS, S3, EBS,REHL 6/7, Elastic Load balancer (ELB), PostgreSQL, Auto Scaling groups, VPC, IAM, Puppet,Unix, MongoDB, Nginx, HMC,ETL, Cloud Watch, Informix 11.5, Glacier, Solaris 10, bash scripts, PHP script and Linux environment.
LINUX ADMINISTRATOR
Confidential - Englewood, CO
Responsibilities:
- Installing Red Hat Linux using kick-start and applying security polices for hardening the server based on the company policies.
- Creating, cloning Linux Virtual Machines, templates using VMware ESX 4.x, 5.x.
- Created, cloned Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
- Installed and configured Tomcat and Apache on RHEL 6.2 servers.
- Provide support for Oracle LDAP (Multi-master, supplier-consumer) in Solaris environment.
- Experience in Administration, implementation and support on multi platforms like, Red hat 6/7, SUSE 9, 10 & 11, Ubuntu 11/12, and Solaris 10, 11.
- Managed 200+ RHEL6/7, Centos6/7, and Ubuntu’s VM hosts on ESXi 5/6.5.
- Configured SharePoint Authentication (Kerberos and SAML).
- Setup monitoring on servers to check basic health and welfare.
- Managed systems routine backup, scheduling jobs, enabling corn jobs, enabling system logging and network logging of servers for maintenance.
- Utilizing Service-Now ITSM ticketing system to track progress and for troubleshooting process.
- Installed Linux 6 servers from scratch using kickstart.
- Installed and configured Veritas Volume Manager on Linux servers.
- Familiar with Hadoop Security involving LDAP, Kerberos, Ranger.
- Install, configure Nessus security scanner (3/4) & run vulnerability scans the network systems with the scanner, posting the scan reports on intranet for concerned groups to monitor & take corrective measures.
- Responsible for vRealize Operation Manager Dashboards and reports for both vSphere and Horizon view.
- Performing capacity analysis, monitoring and controlling disk space usage on systems.
- Working with Database administrators to tune kernel for Oracle installations.
- Using Ansible Vault in playbooks to protect sensitive data.
- Helped the project in creating the company's DevOps strategy in a mix environment of Linux (RHEL, Ubuntu) servers along with creating and implementing a cloud strategy based on Amazon Web Services.
- Worked on complex PL/SQL packages to design various custom API's, Interfaces and conversions.
- Knowledge of Kubernetes network overlays and performance tuning.
- Wrote a script to Curl the files to the amazon backup server and monitor it on a day-to-day basis.
- Configured Open LDAP with UNIX and enabled users to authenticate against LDAP.
- Designed the MongoDB application to get the feed from other oracle databases.
- Manage deployment automation using Puppet, Custom Puppet modules and Ruby.
- Installed SAP WAS Server 6.10 & 6.20 on UNIX and LINUX.
- Used python and Django Framework to develop application.
- Supported the MongoDB database migrations/upgrade from 2.2.3 to 2.4 and higher versions. Installed and configure the MongoDB replica set.
- Extensively worked in Linux, Version Control, Continuous Integration, AWS, Puppet, Scripting.
- Worked on UNIX Shell Programming bash, php, Perl.
- Configuring OpenSSL.
- Installed SAS 9.4 GRID on Linux servers.
- Worked on Puppet extensively for deployment for servers, creating custom scripts and managing changes through Puppet master server on its clients.
- Installing and Configuring PostgreSQL from source or packages on Linux machines.
- Installed and configured MongoDB for dev and test environments.
- Works with Database administrators to tune kernel for Oracle installations.
- Installation, configuration & maintenance of Sun Solaris 9 and10 on Sun Servers and Sun workstations and RHEL 5 and 6.
- Installed and maintained LVM (Linux Volume Manager).Performed migration of HPUX servers to Linux servers.
- Implemented REST APIs using Python and Django framework.
- Integrate the plug-in like service now and infobloxs (ipam) with vRealize Orchestrator 7.3.
- Creation of Users, Groups and mount points for NFS support;
- Provide After Hours and On Call Linux support to Development team & internal customers
- Monitor system activities and fine tune system parameters and configurations to optimize performance.
Environment: Linux,Red Hat Linux 5/6/7, python,cloned Virtual Machines,VMware ESX 4.x, 5.x,ACL,Sun Solaris 9 and10, Puppet, Nginx, MongoDB,RHEL 5 and 6, AIX 6.1, HP BL460,PostgreSQL,Unix,NFS support.
Linux System Administrator
Confidential - San Francisco, CA
Responsibilities:
- Experience as Red Hat Enterprise Linux Systems Administrator and performed support role for applications on mission critical Enterprise Networks and Multi-server environment.
- Experience in Administration, implementation and support of OS RHEL 5/6.
- Experience in the kick-start installations, support, configuration and maintenance of RHEL 5.5, and x86-64 Servers under heterogeneous environments.
- Experience on patches installation, patch upgrades and packages installation on Red Hat Linux servers by using RPM & YUM.
- Managed Windows virtual servers and Ubuntu Linux (Rackspace and AWS EC2) with Chef using Git.
- User administration using CA Control Minder tool for Red Hat Enterprise Linux user accounts.
- Used Informatica and ETL debugger to troubleshoot error.
- Experienced Python on LINUX for execution.
- Implemented the Chef cookbook SSSD to automate the integration process between RHEL and Windows AD using Kerberos keytab file.
- Experience in providing day-to-day user administration like adding/deleting users in local and global groups on Red Hat Linux platform and managing user's queries.
- Created Puppet Master and Agents machines in the production environment for deploying, updating the software in automation process.
- Helped in creating the manifest files for deploying the mail software across multiple agents in the production environment.
- Installed Apache/Tomcat Server.
- Installed VMware vSphere client software, which is a part of vSphere suite on a client machine to monitor the virtual hosts.
- Automated Regression Scripts using API Rest Assured API.
- Installing and configuring vRealize automation 7.0 and vRealize Orchestrator 7.0
- Remote server management and deployment exposure in Ansible.
- Experience in managing virtual instances and disks using Puppet.
- Knowledge in configuration and managing Linux Virtual Machines under VMware 5.x.
- Configured distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
- Writing shell scripts in UNIX to automate the ETL process.
- Extracted files from MongoDB through Sqoop, placed in HDFS, and processed.
- Experience with the installation & configuration of volume management using VERITAS Volume Manager, VxFS file system.
- Integrated Kubernetes with network, storage, and security to provide comprehensive infrastructure and orchestrated container across multiple hosts.
- Worked with Backup Team to Configure the Master and Client Backup Servers using VERITAS Net Backup and Recovery from tapes using ufsdump, ufsrestore, and tar and cpio file system administration.
- User administration using UNAB (UNIX Authentication Broker) and CA Control Minder tool for Red Hat Enterprise Linux and Solaris user accounts.
- Used CURL and Postman for testing NVP/SOAP API calls with new payment processes via PayPal and their sandbox environment
- Launching and configuring of Amazon EC2 (AWS) Cloud Servers using AMI's (Linux/Ubuntu) and configuring the servers for specified applications using Jenkins.
- Performed Network troubleshooting using 'ndd', 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
- Developed automated processes that run daily to check disk usage and perform cleanup of file systems on UNIX environments using shell scripting and CRON.
- Installed and configured Web hosting administration HTTP, FTP, SSH, & RSH.
- Monitored the hosts and networks using SAR, Iostat, VMstat, MPstat and other tools.
- Developed UNIX shell scripts using Shell Scripting.
Environment: RHEL 5/6, RPM & YUM Server, HTTP, FTP, SSH, RSH, Cron, UNIX, ETL, Puppet Enterprise 2016.1 .x, VERITAS Volume Manager, python, VxFS file system, Apache/Tomcat Server, PHP, NFS & VMware.
Linux Administrator
Confidential - Columbus, OH
Responsibilities:
- Administration of RHEL and AS 4, 5, 6, which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
- Installation, configuration, administration of Solaris 9, 10 on SPARC based servers using Jumpstart.
- Creating, cloning Linux Virtual Machines, templates using VMware Vsphere 4.0 and migrating servers between ESX hosts.
- Provide support and maintenance of all corporate databases (Informix/DB2/MySQL/SQL Server).
- Worked on configuring LDAPs, CA Siteminder, open Id Connect, OAuth with CA API Gateway and CA Siteminder.
- Automation of OS builds and Application Installation through Puppet & Chef.
- Designed the MongoDB application to get the feed from other oracle databases.
- Installing Red Hat Linux using kickstart and applying security polices for hardening the server based on the company policies.
- Implemented automated local user provisioning in instances created in Open stack cloud through Ansible Play books.
- Possess experience on OpenSSL/Keytool (JKS/PKI) to create and install web/Java code signing based SSL certificates to secure web applications and networks.
- Responsible for redesigning security and authentication method moving away from LDAP based authentication to PAM based authentication.
- Designed and implemented User Directory changes from LDAP to AD.
- Pro-actively identify, troubleshoot and resolve live MongoDB issues.
- Work as project administrator in the VersionOne agile management tool.
- Installing and upgrading HPUX on HP PA-RISC and Itanium Servers 5 on HP DL 380 G3, 4 and 5 & Dell Power Edge servers.
- Installed and Configured Veritas Symantec NetBackup and Veritas Cluster Suite on the UNIX Servers.
- Experience in working with UNIX Shell Scripts for automatically running sessions, and creating parameter files to run various batch jobs.
- Implemented Puppet modules to automate configuration of a various services and deployment of various application.
- Created the LDAP scripts, which monitors the LDAP connectivity and alerts the Admin Group if connection is closed.
- RPM and YUM package installations, patch and other server management.
- Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
- Installed and configured CA Site minder for Apache web Server to enable SSO (single sign-on) in various applications for different environments.
- Worked and performed data-center operations including rack mounting, cabling.
- Worked on HP-UX servers in an MC Service Guard high availability cluster.
- Experience working with HP LVM, creating physical, volume groups, logical volumes both physical and SAN disks.
- Set up Kerberos locally on five node POC cluster using Ambari and evaluated the performance of cluster, did affect analysis of Kerberos enablement.
- Installation and deployment of a Red Hat Network Satellite Server 5.4.1.
- Installed and configured GNUPG to encrypt file and ftp to remote ftp server.
- Decommissioning of the old servers and keeping track or decommissioned and new servers using inventory list.
- Responsible for resolving GPOS transactional errors according to documented standard operating procedure.
- Veritas Installation and Configuration of the Veritas Cluster on the UNIX Servers.
- Troubleshoot various systems problems such as application related issues, network related issues, hardware related issues etc.
- Build new Virtual machine and physical server.
- Managing the VMWare ESX and ESXi server 5.5, 5.1, 4.0.0 and 3.5.0 based on requirement.
- Installing and Managing Virtual Center 5.5. Upgrading from VMWare ESX server from 3.5.0, 4.0.0, and 5.0 in environment.
- Implementation of backup solutions using Veritas NetBackup 4.5, 5 and 6.5 and HP Data Protector.
- Install and configure the hardware agents on the ESX servers for Hardware monitoring and alerts (SNMP & Open Manager).
- Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
- Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers, NMAP.
- Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage on 2, 3, 4 node clusters.
- Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
- Experienced in Troubleshooting critical hardware and software issues and other day-to-day user trouble tickets.
- Adding servers to the domain and monitoring them using spectrum, sitescope, cacti.
- Developed automated processes that run daily to check disk usage and perform clean up of file systems on UNIX environments using shell scripting and CRON.
- Administered SMTP and DNS infrastructure ( Sendmail 8.14 and BIND SPLIT DNS version 9.6.1)
- Excellent documentation skills and instrumental in creating runbooks, presentations and infrastructure documentation.
Environment: Red Hat Linux 5/6, KVM, Acronis, VMWare, Couchbase, ESX, Solaris, Sun Enterprise Servers, UNIX,SUN FIRE 6800/E6500/E4500, Sun Sparc1000, IBM RS/6000, Disk Suite, POP, Veritas Volume Manager, LDAP, DNS, NIS, NIS +, SNMP, Shell scripting, SENDMAIL, Informix/DB2/MySQL/SQL Server, Apache, Puppet, WebSphere, Sun and Veritas Clusters.
Linux administrator
Confidential
Responsibilities:
- Installing, configuring and managing the RedHat Linux.
- Monitoring System Performance.
- Knowledge on booting process.
- Created Kerberos SPN account for application to represent the WAS as a Kerberos service with the KDC.
- Used OpenSSL to generate the SSL certificates.
- Creation new users, resetting user passwords & Lock/unlock user accounts.
- Designed and Implemented Centralized AD Authentication using SSSD.
- Frequently resolving user related issues, file system related issues and system performance issues as per the SLA defined by the customer.
- Creating and Restoring Backups using tar and rsync.
- Configured File System i.e. EXT2, EXT3 and EXT4.
- Works with architects on analyzing the requirements and creating a tech specification document with respective CA IT PAM integrations.
- Merged the generated reports as per request. Formatted data into required format using UNIX Shell Scripts, SED and Awk.
- Part of Security and Certificate approval/Creation/Verification team for applications communications and handshakes by using tools like keytool, openssl, TestSSLServer.
- Worked on LDAP scheme extensions including OUD extend plugins supporting for all UNIX, AIX and Solaris based LDAP clients.
- Wrote services to store and retrieve user data from the MongoDB for the application on devices.
- Designed, tuned and migrated multi-node Informix EDWs.
- Supported and developed tools for integration, automated testing and release management.
- Assisted all applications groups with new and existing projects that use Informix.
- Improved speed and reliability of the Informix and SQLs.
- Troubleshoot network connectivity issues.
- Created Kerberos Configuration file/ Keytab file in AIX.
- Creating and managing user accounts, groups and respective permissions.
- Responsible for PostgreSQL databases backup, recovery & upgrades.
- In a secure LDAP environment, worked on designing replication architecture and configured LDAP replication based on SSL certificate based over a multiple Master replicated server with multiple salves and hubs.
- Help support a 24/7 Linux/Windows trading environment.
- Having Knowledge on creating and troubleshooting LVMs and file systems.
- Configuration/Installation, file System Management, User Administrator, System Monitoring, Automated task, Troubleshooting.
- Scheduling of automatic, repetitive Jobs using Crontab.
- Installing packages using rpm and YUM.
- Ability to implement database change controls, as well as development, staging & production PostgreSQL databases.
- Involved in building database Model, APIs and Views utilizing Python, in order to build an interactive web based solution.
- Configuration and trouble shooting of Services such as FTP and SSH.
- Automate infrastructure in cloud using Amazon web services.
- Resource sharing using NFS.
- Configuration and trouble shooting of Services such as SSH.
- Having Knowledge on server performance and related issues.
- Having good Knowledge on configuration of IP bonding.
- Knowledge of IP aliasing, Process management and commands.
- Knowledge in Hard disk sharing using ISCSI drive.
- Disk Management, system backup and recovery.
Environment: EXT2, EXT3 and EXT4, Access Control List (ACL's),creating and troubleshooting LVMs,Crontab, multi-node Informix EDWs,Unix, mongoDB, rpm and YUM,python, PostgreSQL,FTP and SSH,NFS,SSH, sales force, Hadoop,IP bonding,aliasing, Process management and commands,ISCSI drive.
Linux Administrator
Confidential
Responsibilities:
- Monitoring network activity as well as server performance.
- User administration (setup and maintaining account)
- Installed & Configured Red Hat Enterprise Linux Network servers with SAMBA file server, FTP server.
- Configuration of remote connection tools like Ssh, SCP &telnet.
- Configured different RAID (Redundant Array of Inexpensive Disk) on Linux.
- Configuring LVM and managing the volumes.
- Create a backup and recovery policy (dump, tar.)
- Diagnosing and monitoring performance issues using PS, top.
- Installation and configurations send mail server.
- Installation and configurations NIS server.
- Crontab schedule recurring events.
- Used ansilbe and python to develop automation for deployment of IBM cloud for VMware Solutions
- Creating, destroying volumes, Adding space to existing volumes.
- Building new servers with respect to company defined policies.
Environment: Red Hat Enterprise Linux, SAMBA file server, FTP server, Ssh, scp & telnet, Configuring LVM, ansilbe, Configured RAID, PS & top, Crontab.