Devops Lead Resume
CaliforniA
SUMMARY
- Experience in working on VOD, ITV, AUPM, CDV projects at Confidential . Experience in Nagios, OpenStack, UC4 & Shell scripting. Owns a linux blog which is
- 7 years of proven experience on Linux RedHat,Middleware,OSB & Datapower Administration.
- Experience in Linux server administration, Weblogic/OSB/Linux server administration, and extensive experience in installing, maintaining, troubleshooting tomcat in Linux/Unix, Weblogic Apache, nagios and security software's.
- Strong analytical and troubleshooting capabilities
- Knowledge in OpenStack Control Panel.
- 7 Years of Extensive working knowledge/exposure in Networking, Tomcat, DNS & APACHE
- Experience in installation, configuration, tuning, security, backup, recovery and upgrades of Linux (RedHat & SuSE).
- Installed, configured and upgraded Linux (RedHat & SuSE) using Jump Start/Kick start and Weblogic Installation
- Extensively worked on Linux OS Upgradation for patching Linux servers to latest versions and installing RPM packages using Satellite server, Yum and up2date.
- Good knowledge in product deployment in servers, mail servers, monitoring tools & shell scripts, networking, SQL/MySQL.
- Extensive hands on knowledge in Linux command line & bash shell scripting
- Strong knowledge in installing Weblogic, oracle SOA, BPM and OSB. Configuring it and creating clusters.
- Conduct systems design, feasibility and cost studies and recommend cost - effective cloud solutions such asAmazon Web Services,GoogleWeb Services.
- Ability to identify operational issues and also good understanding of backups, deployment and load balancing techniques
- Bobcares certified windows/RedHat Linux Administrator
- Able to multi task and interact comfortably across teams; strong inter personal skills.
- Have experience in Weblogic Server 10g and 11g,WebLogic Platform
- Worked as freelance consultant for many clients for managing their dedicated and shared Linux servers, application servers and also created a blog as part of giving back to open community
- Worked as Tomcat Application administrator and Integrating external applications with SOA
- Basic knowledge in Manhattan Warehouse Management Systems at Confidential towards their retail division.
- Extensive knowledge in Tomcat, installation, configuration & domain management.
- Extensive Knowledge in Oracle PLSQL& ORACLE SOA & Oracle service bus
- Extensive knowledge in job scheduling tools like Nagios, UC4 & OBTM
- Experienced in implementing the Workload Management (WLM) using cloning and clustering
- Everyday administration tasks - adding and removing users, file, share permissions, trust management, replication management, server backups and server setups on LINUX (RHEL, SUSE).
- Server health monitoring and system tuning as per vendor recommendations.
- Working in 100% Compliance with client/task specific SOP’s, Ticketing, Monitoring systems.
- Experienced in Disaster recovery solutions, performed Disaster recovery tests.
- Experience in DNS, NIS, NFS, LDAP, Send mail, ftp, SSL, SSH, HTTPS, SFTP, and system troubleshooting skills.
- Well versed with Shell Scripts; KORN and BASH.
- Implementation of TCP/IP & related Services-DHCP/DNS
- Experienced in working on slow servers and increasing performance through performance monitoring tools like vmstat, iostat, SAR.
- Providing 24X7 On-call Production and Customer Support.
TECHNICAL SKILLS
Operation Systems: Red Hat Enterprise Linux (3, 4, 5 6), Centos 6, 5, 4, Linux (Red hat/SUSE
Application Server’s: Weblogic, Tomcat, LDAP
Cloud Platform: AWS, MicrosoftAzureand Rackspace, Openstack.
Databases/ scripting: MySQL, MS SQL Server, Oracle 7, 8, 9, 10 & 11g, bash Shell scripting, Ksh Scripting, Perl Scripting, HTML, MS Access, MySQL Replication, MySQL High Availability with DRBD, MySQL Disaster Recovery and MySQL Clustered.
Storage/ Networking: TCP/IP, NFS, FTP, DNS, NAT, ifconfig, route, netstat, NAS
Backup/ Monitoring: Windows, Nagios Monitoring System, UC4
Mail Servers: SMTP, POP, IMAP, Exim
Languages: PHP, PL/SQL, UNIX Shell Scripting, Tomcat, Weblogic, OSB, Datapower, C, Java, J2EE
PROFESSIONAL EXPERIENCE
Confidential, California
DevOps Lead
Responsibilities:
- Working as an Application admin for tomcat and java applications
- Troubleshoot application level issues
- Monitoring using NewRelic
- Deployment of releases in production & Staging
- Create shell script
- Working on Jenkins for deployment and build verification
- Monitoring using Splunk
- Collaborate in the automation of AWS infrastructure viaterraformand Jenkins - software and services configuration via chef cookbooks
- Creating NFS mount points.
- Using puppet and Chef for building new servers and pushing configuration properties to all prod servers
- Conducted pre-sales technical support services for directing sales force of windows Azure applications.
- Using app dynamics for monitoring
- Working on CDN technology
Confidential, Los Angeles, CA
Middleware Devops Lead (Team lead)
Responsibilities:
- Managing a team of 4 at offshore and 2 at Onsite.
- Working on OSB & Datapower applications, administration, Application support & Weblogic.
- OSB & Datapower Administration in Linux Servers.
- Troubleshoot complex application and system performance problems across multiple tiers.
- Receive escalated tickets from tier 1, operations and tier 2 to resolve these tickets and look for root cause.
- Lead technical conference calls in outage situations, drive the overall call, and resources to resolution.
- Deploy applications to production and confirm proper operations.
- Work with development teams to document and automate deployment procedures for handoff to tier 1 team.
- Install and upgrade Apache versions, set up and configure Apache web server, build rewrite rules, install and configure Apache modules.
- Applying operating system updates, patches, and configuration changes.
- Install and configure new java software such as Resin, Tomcat, Weblogic, and Websphere.
- Perform tuning of java applications and JVM health.
- Work with Development teams to onboard new applications, configure monitoring, update and approve documentation and adhere to standards.
- Performed Weblogic Server and Portal administration tasks such as installing, configuring, monitoring and performance tuning in both the UNIX and Windows based platforms.
- Worked extensively on a wide range of projects covering Weblogic Portal, Weblogic Server, Apache, Wily Introscope, Tomcat.
- Monitoring of Live Production servers and database - Tomcat, Apache and MySQL on Linux Platform.
- Tuning Tomcat to get the absolute best performance.
- Worked extensively on Solaris, Linux and Windows platforms for different applications.
- Performed successful upgrades of Weblogic Upgrades to later versions and service packs.
- Performed J2EE application deployment and administration including WAR, and EAR files.
- Developed and maintained Shell scripts that facilitate the Administration of BEA WebLogic Server 6.0/7.x/8.1/9.x/10.x and WebLogic Portal 10.3.0.
- Created Managed Servers in a Cluster with round-robin algorithm for Load Balancing.
- Maintained the applications among WebLogic run-time processes in a cluster of application servers.
- Deployed the applications on multiple WebLogic Servers and maintained Load balancing, high availability and fail over functionality.
- Created user roles and groups for securing the resources.
- Created and managed custom security realms and authenticator providers.
- Involved in Performance tuning of WebLogic server with respect to heap, threads and connection pools.
- Troubleshoot WebLogic Server connection pooling and connection manager with Oracle, DB2; worked with DBAs in resolving issues.
- Installed and configured Sun ONE (iPlanet), Apache and IIS Web Server.
- Configured and administered JDBC, JMS, JNDI, and SNMP.
- Developed run-level scripts for automatic startup and shutdown of Admin Server and Managed Servers.
- Created Crontab scripts for timely running jobs.
- Deploying the various releases in production.
- Deployment of application patches and upgrades etc.
- XML, XSLT & WSDL
- Working on OSB & Datapower control panels.
- Identifying potential problems and determining root causes
- Solutions for application crashes and performance problems
- Performance tuning
- Deploying clustered applications
- Tying together multiple applications in a single environment
- Integrating external applications with SOA
Confidential, Denver, Colorado
Technical Lead
Responsibilities:
- Managing a team of 10 at offshore and 3 at onsite.
- Linux, Solaris Admin for a High Availability Middleware Cycle Environment.
- OpenStack Administration
- Has expertise in troubleshooting and analyzing complex non-functional production issues due to Application, OS, Data Base, and I/O, and providing solutions/guidance to the implementation team.
- Responsible for Day - to-Day System Administration on Sun Solaris, Linux Servers.
- Responsible for capacity planning, design, install and configuration of new servers.
- Writing script for day to day activity for scheduled task using shell scripting.
- Installed Weblogic.
- Supporting Solaris, Linux servers inproduction/stage/development environment.
- Unix/Linux user's creation, file/dir level permissions, Sudo permissions etc.
- Installation and creation of 9i and 10g databases for Testing, Development and Production.
- Installation of Oracle version 10g on Solaris 10 and HP-UX11.
- Experience in Identifying performance bottlenecks on high volume transaction systems. Analyze SQL statements, reorganize database objects and design indexes to improve response of queries.
- Perform system trouble-shooting, performance tuning and capacity planning.
- Worked closely with database administration staff to ensure optimal performance of databases, and maintain development applications and databases.
- Shell (ksh, bash) scripting for various admin related jobs.
- Design and implement Backup Policies.
- Working on Linux/Unix servers, OSB & Datapower.
- Installing ORCALE SOA and BPM.
- Worked on JVM settings & Domain management.
- Installing Weblogic & OSB.
- Troubleshooting DNS and webserver logs.
- Supporting the applications in Weblogic servers.
- Working on new shell scripts.
- File Management & Folder management.
- Alert Management using Nagios and logs.
- Nagios scripting on various TBMS servers.
- UC4 monitoring and analysis.
- Server performance and issue analysis.
- Performance tuning and process improvement.
- VOD work flow and process log checking.
- SQL Query development, Script development.
- Memory analysis of product servers and monitoring.
- Oracle database analysis and query execution.
- Creating new alarms in nagios using shell script on product servers like AUPM, VOD, and CDV etc.
- Scheduling the alerts on UC4/Crontab.
- Monitoring the mediation, rating and consolidation engines in TBMS servers.
- Analyzing the memory consumption and performance of various servers.
- Deployment of new engines for backlog clearance, rejection issue analysis.
- Installing the nagios in different TBMS servers.
- Worked on Weblogic Server 10g and 11g, WebLogic Platform.
- Have troubleshooted the server issues based System/security/application & DNS logs.
- Worked of backups, taking snapshot, deployments.
- Experience on firewalls, Load balancers, & shell scripting (shell).
- Experience on deployment of application patches and upgrades; etc.
- Experience in Networking issues, ping, traceroute etc.
- Worked on SQL/PL/SQL/MySQL.
- Experience in amazon cloud.
- Support to any issues coming onLinux servers and for applications, which run on them.
- MySQL and Oracle Database installation and Monitoring on Linux using Nagios.
- Troubleshooting all kind of apache, Tomcat and PHP issues.
- Managing volumes in Linux by LVM.
- Experience in setting Linux RedHat Cluster Suite (4 node cluster).
- Configuring and managing Cluster instances for MYSQL and Oracle database.
- High Performance Cluster using the platform computing software using Red Hat operating system.
- Performed connection diagnostics in order to access route specifics and diagnostics from the switching infrastructure.
- Also concerned with every day growth and Inspections to make sure quality and goals were being met.
- Provided operational Documents to make the Environment more convenient.
Confidential
Linux Systems Administrator
Responsibilities:
- Troubleshoot, secure and support RedHat, Centos, Fedora and HP UNIX servers and also product servers.
- RedHat Enterprise Linux 3/4/5, SUSE Linux, Installation on HPProliant servers using kickstart and configuration & support for various applications run on Linux environment, configuration, performance tuning, patching and maintenance.
- Designing, Implementation, Configuring, & Managing Puppet server.
- Defining Security policy for Linux Servers, including Apache, Tomcat and Supporting 300+ Linux servers in production/stage/development environment
- Worked on VMware Virtual Center Server
- Day to day duties for Unix/Linux server maintenance and support to developer's team for their issueswith application, tuning, troubleshooting, software running on Unix/Linux Servers.
- Support and troubleshooting of LinuxApache, MySQL, Have knowledge on MySQL, Oracle Database Administration.
- Involved in 24x7 supports for both production and development databases with on-call pager.
- Administration of multi flavor UNIX environment Linuxand Windows with various responsibilities.
- Setup and configured network TCP/IPat all levelsonLinuxservers
- 24x7 Administration and monitoring for the UNIX servers. Rotating on call pager responsibilities for Production environment.
- Basic Knowledge in Windows Active directory
- Deployments, Drive Application Release Task Plans, Handle Application Outage if any Invite all team to bring the application up and running.
- Start Stop Web logic managed servers, admin servers, Find Root cause Of Outage of application and upload it in Knowledge base. Maintain a log book of software problems.
- Implement Root, Child Domain System with Additional Domain Server in the different sites.
- Implement Domain Name Server by Using Primary and Secondary DNS Servers.
- Worked on Ecommerce best practices and online marketing methodologies.
- Configure LINUX Server as a Data Storage Server.
- Configure the Users, Global and Local Groups in the Enterprise Server Environment with types of Permissions.
- DNS, DHCP, NFS, NIS configuration.
- Worked with object oriented software development methodologies and practices across all phases of the Software Development Lifecycle.
- Managing with Forms Server and Excel Services.
- Unix/Linux user's creation, file/dir level permissions, Sudo permissions etc.
- Using VM converter converting Physical machines in VMware VMs.
- Updating/patching Linux, Windows Virtual Machine in VMware clusters
- User management, security planning and implementation.
- Setup and configured network TCP/IP at all levels on LINUX servers.
- Administered and maintained Solaris server and OS for production, Internet and intranet services.
- Interacted with the global Solaris Engineering team regularly to understand and design solutions.
- Involved in the installation, monitoring and Administration of Unix based servers, firewalls, Cisco networks, perimeter security technologies, Internet technologies and remote office WAN/ LAN connectivity.
- Worked on Litespeed web technology and Apache webservers and nagios
- Administered user accounts, performed user maintenance on UNIX and PC workstations. Monitored security issues. Administered system mail and internet access. Configured network file systems.
- Worked on different Unix/Linux platforms and mail servers.
- Worked on many domains in shared and dedicated servers.
- Ability to troubleshoot the issues based System/security/application
Confidential
Linux Systems Administrator
Responsibilities:
- Troubleshoot, secure and Administration of RedHat, Centos, Fedora and HP Unix servers and also product servers.
- Weblogic & OSB installations and administration
- Installing SOA suite and configurations.
- Experience in amazon cloud.
- Experience in windows administration
- Worked on Litespeed web technology and Apache webservers and nagios
- Experience troubleshooting application servers Tomcat
- Administered user accounts, performed user maintenance on UNIX and PC workstations. Monitored security issues. Administered system mail and internet access. Configured network file systems.
- Experience in working on SQL/PL/SQL/MySQL
- Networking skills like ping, trace route, telnet to a specific port
- Deployment of application patches and upgrades; perform reboots & configuration changes...
- Worked on different Unix/Linux platforms and mail servers.
- Worked on many domains in shared and dedicated servers.
- Worked on Bash Shell scripts.
- Worked on Weblogic Server 10g and 11g,WebLogic Platform,
- Worked on Load balancing in servers
- Memory analysis of servers, clustering and DNS
- Worked on MySql clustering
- Monitored dedicated and shared servers having more than 1000 domains
- Worked on IMAP, POP, SSH Configuration and Hardening.
- Troubleshooting and Addressing issues in a Helpdesk environment.
- Server Security Auditing, Vulnerability Assessment and correction.
- Proficient with Cpanel and WHM management (setting up accounts, remote backups, DNS clusters, Failover solutions etc).
- VPN Technologies (OpenVPN, Poptop etc).
- Monitoring and Managing Network Devices using Cacti, PRTG, etc.
- Experience with VPS Software (Virtuozzo).
- Third party Software Installations and configuration - Software management (Fantastico, RVSkins etc).
- Security Protection (Intrusion Detection with Snort, tripwire and ipfw/iptables etc).
- DNS and RDNS delegation experience (Bind, QDNS).
- Linux Kernel Security, regular maintenance, recompiles and OS reinstalls.
- Exim Administration and Optimization - experience with ClamAV, Sophos AV, ExiScan and SpamAssassin.
- Core System Files Hardening and Optimization (sysctl.conf, resolv.conf etc)
- Monitoring servers and responding to event notifications. (Service outages, High Load Alerts etc) experience with Nagios.
- Working knowledge of Database Technologies (MySQL, PGSQL), performance Optimization and Hardening.