Summary
Around * years of experience as an Engineer/Admin in the field of Linux, File transfer, Integration Databases Design & Implementation.
Analysis and understanding distinctive design phases of Software Development Life Cycle (SDLC) and Agile Methodology Works.
Experience in integrating Sterling Integrator with enterprise’s INFRA ticketing system through Web service.
Good understanding of Sterling Control Center, Sterling secure proxy (SSP) and Perimeter servers.
Handling maintenance activities involved during infrastructure activities like patch upgrades to linux servers and databases patches.
Worked on Different File transmission protocols like HTTP, FTP and SFTP using Sterling File Gateway.
Modeling Inbound and Outbound business processes flow for new requirements and enhancements to existing BP’s.
Acting as a liaison between External Trading partners and internal application team on any FTP issues that may arise.
Monitoring production transfers and perform corrective actions on the failed process as per the SLA.
Extensive experience as Linux System Administration/ Engineering using RHEL5, 6.
Expert in build servers in both Physical and Virtual Environments.
Hands on Experience in Linux User Management Creation of users and Groups Understanding /etc/passwd, /etc/group, and /etc/shadow.
Experience in installing OS’s, troubleshot and perform root cause analysis of technical issues.
Expert in Installing, upgrading and configuring Redhat Enterprise Linux Servers.
Experience in administering Web/Application servers like Apache, JBoss and WAS.
Ability to perform Patch Management, Service Pack Upgrades on Linux.
Configuration and resolving TCP/IP connection problems, channel bonding, ftp/tftp, DNS.
Experience in monitoring the availability & performance of Red Hat Linux Servers through tools like iostat, net stat and nfs stat
Experience in trouble shooting and resolving network issues related to the servers.
Installation and configuration of ftp servers, TCP/IP, DHCP, DNS and NFS.
Experience in monitor system resources, disk usages, scheduling backup and restore.
Server monitoring by using TOP command for CPU/memory utilization on Linux servers.
Experience in configuration of Logical Volume Manager (LVM) for extending Linux partitions on demand.
Extensive knowledge on LVM (Volume Groups, Logical Volumes and File systems) creation, management and troubleshooting.
Understanding of and ability to script in: shell, Bash, python, java.
Willing to working with team/individual to write scripts using python.
Ability to operate effectively on a 24x7 basis in crisis situations.
Effective team player with excellent logical and analytical abilities.
Education
Master of Science in Computer Science Eastern Kentucky University, Richmond, KY 2016
Specialization: Applied Computing, with GPA – 3.5
Bachelor of Technology in Computer Science and Engineering 2012
Prakasam Engineering College with GPA – 3.5
Technical Skills:
Operating Systems: RHEL 5.x,6.x, Win NT/2K/2k8/XP
IBM Tools IBM Sterling File Gateway, IBM Sterling B2B Integrator
Web/App Servers: Apache Web Server, JBoss 6.2.x., Web Sphere.
Programming Languages: C, C++, Core Java, Shell scripting-bash, Python
Database Servers: Oracle 10g, 11g, SQL Server 2008, 2012.
Storage Devices: SAN, NAS.
Test/Development Methodologies Agile
Networking Protocols: TCP/IP, FTP/TFTP, LAN, WAN, DHCP and DNS.
Monitoring Tools: BMC, Icinga
Ticketing Tools: Service Now.
Professional Experience:
Nationwide Insurance, Columbus, Ohio Dec 2017 – Present
Managed File Transfer (Engineer /Support)
Responsibilities:
Onboarding New External Business Partners and creating routing channels between external business partners and line of business applications.
Creating new trading partners in IBM sterling file gateway and onboarding connections using IBM sterling integrator and IBM sterling file gateway.
Interacting with external trading partners and line of business application owners and setting up their communications with their trading partners.
Resolving day to day issues in file transfers and providing on call support.
Sending files to the trading partners via HTTPS, FTP, SMTP, SFTP protocols.
Resolving production issues and improving the efficiency by tuning the existing processes.
Creating communication setups with different communication protocols like FTP, SFTP, HTTP etc.
Creating routing channels using Sterling file gateway and configuration changes in Sterling Integrator applications.
Interacting with external VAN’s and business partners in resolving issues involved in file transfers.
Providing On call support 24/7 on rotational basis and responding to P0 & P1 incidents.
Troubleshooting File transfer, connectivity issues between internal Line of business applications and external Vendors.
Performing Maintenance or Infra Structural Related activities during Patching on Linux & windows servers.
Setting up connections for transferring files between external trading partners and Internal Applications or Line of Businesses using Sterling Connect Direct.
Creating PMR’s to IBM support and resolving Issues in internal or external connections, or any issues in IBM Software Product.
Generating PGP keys & SSH keys for facilitating the secure transmission of the files between External Trading Partners and Internal Line of Business Applications.
American Express, Phoenix, AZ Aug 2016 – May 2017
Linux System Administrator
Roles and Responsibilities
Responsible for installation/configuration of web/app servers with custom requirements.
Provisioning Linux, Windows servers through TAP (TIMS Automation).
Installation and update of Linux servers for patching and security vulnerabilities.
Configuring Samba Server, FTP Server, SSH Server and Apache Web Server.
Responsible to build Redhat EL 5/6 servers manually through VCenter.
Worked on Ingesting manually built servers into the Automation Portal (TAP).
Requesting/generating Blue certs through Automation Portal.
Worked on Installation and configuration of NFS server/client.
Knowledge in trouble shooting and resolving network issues related to the servers.
Experience in creating and managing user accounts, security, disk space and process monitoring in Red Hat Linux.
Package management with yum and rpm package managers.
Experience in developing shell scripts used to automate day to day administrative tasks.
Creating reservation, Business groups and project pages for newly on boarded projects.
Enable/Disable entitlements, Puppet master for business groups through Automation.
Worked with DBA team for database performance issues, network related issues on Linux Servers.
Created Change Requests using Service Now and participate in weekly change review board meeting to get the approval for the changes.
Involved in Storage Migration on Redhat servers.
Monitored VM’s hosted in cloud environment through Icinga monitoring tool.
SIRI IT Solutions Aug 2014 – Jan 2015
Linux Engineer
Roles and Responsibilities:
Install, configure, and troubleshoot enterprise-wide Apache web servers in a large Red Hat Linux environment
Deploy, upgrade, and maintain application and web servers.
Red Hat Package Management (RPM) and YUM package installation and maintenance.
Monitor system activities and fine tune system parameters and configurations to optimize performance.
Create users with Root/Limited privileges.
Managed, monitored and tested individual and group user access privileges and security.
Created shell scripts and cron jobs that monitored and reported security issues.
Author and modify scripts for application deployment as well as system monitoring.
Created/Delete/Modify the files using VI editor.
Change the owner ship of files using chown command.
Monitoring of resources, disk space, alerts, filling up documentation etc.
Tracking/Stored the day to day reports by using Excel.
Take full gathering of data and ensure everything planned and documented so other team members can use it during their support hours.
Familiarity with the fundamentals of Linux scripting languages.
Feedback Infra Pvt Limited Feb 2012 – June 2014
Linux Engineer
Roles and Responsibilities:
Responsible for planning, building and administration of new Redhat EL 5/6 servers.
Installation of patches and packages using RPM and yum in Red hat Linux.
Responsible for adding users to Domain, assigning Rights & Permissions for them.
Installed and configured web and application server.
Worked on creating volume groups, logical volumes and file system.
Installed, configured and supported Apache 2.2.x, JBoss 6.2.x, and Oracle10g.
Responsible for patching any security vulnerabilities reported by team.
Formatting Users System, installing all required software’s.
Created and modified application related objects, created Profiles, users, roles and maintained system security.
Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
Responsible for writing/modifying scripts using bash, ksh for day-to-day administration.
Modified Kernel parameters to improve the server performance in Linux.
Creation of Logical volumes (LVM) for Linux operating systems.
Involved in design, configuration, installation, implementation, management, maintain and support for the Corporate Linux servers RHEL 5, 6.x.
Created and maintained user's accounts, profiles, security, rights disk space and process monitoring.
Develop and Maintain documents, library and procedural documents of the system.
Maintained proper documentation of all the activities carried out during the project.
Management of user accounts, files and directory permissions, and securing UNIX systems to match industry best practices.
Provides system administrative support for servers and workstations.
Software and hardware upgrades and routine systems maintenance.