SUMMARY:

• 9 years System Administrator Experience and three years of DevOps Engineering;
• Experience working with Amazon Web Service (AWS) Cloud Foundations such as Software as a Service (SaaS), Infrastructure as a Service (IaaS), and Platform as a Service (PaaS); experience in performing application release and operations; worked with AWSCLI - Pip AWS installation,
• Conversant with AWS cloud automation tools for provisioning, configuration and deployment of AWS instances; AWS Cloud formation tools with experience in creating, finding, deploying or terminating AWS instances; Knowledge of setting Amazon security groups. AWS CloudWatch, AWS VPN, and AWS cloud trail, AWS CloudFront,AWS Lambda, Elastic Load Balancing, AWS Security Credentials, AWS RACs and IAM user credentials,
• Deploying/Monitoring application on servers; Linux /UNIX System Administration, Red Hat, Solaris; Create Virtual Linux servers and carryout complete Provisioning of these servers; As a DevOps engineer I work as part of the team charged with design, development and implementation and analysis of technical products and systems;). Skilled in DevOps tools such as Chef, Docker, puppet, Jenkins, git; Jira, Active team member charged with the software specifications, design, implementation/coding, validation (testing) evolution and deployment.Process monitoring during deployment, Participated in Software Development Life Cycle (SDLC); Worked with DevOps automation tools such as Jenkins, Git, Splunk as well as Worked with latest BIG DATA tools like Splunk and Hadoop, Perform system maintenance and scanning. Work with Project managers, business Analysts and Business Intelligence people; Create/Manage User Account, Create/Manage File Systems, Hardware/Software Break-Fix, VERITAS, Cluster Servers, Patch Management, Performance Management, Excellent Technical and Interpersonal Skills.
• Skilled in exploitation and use of Center for Internet Security (CIS) Benchmarks for system security protection and hardening; Experience with SELinux as a linux enhanced security measure;
• Configure and built Red hat Linux machines, Create user accounts, set Kernel Parameters. Experience in converting infrastructure assets into remotely deployable packages; Worked with Jenkins for Continuous Integration (CI) and Continuous Deployment (CD); worked with Git/GitHub for version Control and Collaborative writing;
• In-depth understanding of and experience in application technologies such as Apache-tomcat, Oracle database, Active Directory and RedHat Linux and Windows infrastructure, Data Replication for Disaster Prevention and Recovery. Languages such as bash, python, CSh, Ksh, Perl, Ruby ; Worked with Nginx for Loadbalancing and replication across server nodes; Worked with Netbackup for Data Protection and Disaster Recovery;

TECHNICAL SKILLS:

SOFTWARE: RedHat, Solaris, CentOS 5.x and 6.x, Debian. Cloud Watch, EC2, RDS, Route 53, S3, SES, VPC. LAMP server, and Lighttpd web servers, PHP, MySQL, FTP, NFS, NAS, VMware, vSphere, ESXi, Splunk, Puppet, Chef, Package managements like yum, rpm, apt, git, Hadoop, hdfs, NetApp Management, JIRA and Remedy Ticketing System; Some knowledge of java.

LANGUAGES: Shell Programming, Bash, Ruby, Perl

PROFESSIONAL EXPERIENCE:

Confidential, Washington, DC

Cloud/System Administrator /Application deployment Expert

Responsibilities:

• Plan, Build and provision Linux Virtual Environment
• Provide support for new applications and upgrades to existing systems
• Design solutions to technical problems and implementation of new systems or infrastructure changes
• Install and configure MySql database and also configure Master slave replication
• Configure and Manage Puppet
• Updating Puppet Manifest
• Executing puppet tools like Vim-puppet,
• Configuring puppet master and Puppet slaves
• Responsible for installation, hardening, integration, patching, implementation, performance, and maintaining Linux production environment
• Monitor critical systems and take corrective actions prior to failures
• Install and configure Red Hat Satellite Services, RPM’s
• Install and configure Apache
• Prepare for disaster recovery and ensure that appropriate backups are completed and tested
• Troubleshoot software and hardware failures and identify network problems
• Establish and maintain security and integrity controls
• Managed Production and staging Linux environment
• Experienced with cloud computing (AWS)
• Experience managing and maintaining a production Linux (CentOS, RedHat) environment
• Experience setting up and maintaining a kickstart environment
• Experience with Windows Server and administering Active Directory
• Maximize Linux system availability and performance
• Support the installation of third party packages
• Managed VMWare ESXi 5+ Environment
• Experience setting up and managing, MySQL infrastructure, including adding nodes, rebuilding and backing up
• Experience with production load balancing to many backend application servers
• Experience administering network services: CIFS, NFS, SMTP, DNS, etc
• Solid understanding of load balancing, horizontal scaling, UNIX-related network services, TCP/IP networking, DNS and HTTP(s)
• Proven ability to automate tasks and maintenance with a combination of custom scripts and the likes of Puppet, Chef or Salt
• Strong Perl, Python, and/or shell scripting,
• Experience with Tomcat application servers

Confidential, Alexandria, VA

Sr system Administrator

Responsibilities:

• Tune performance using sysctl;
• Install and configure Apache/Ngnix/Node.js
• Managed load balancing
• Install and configure database MySQL
• Coordinate backup and recovery in Linux system environment with Net Backup monitoring and performance tuning
• Install and configure Puppet (Master and slave) servers
• Configure master slave replication in Puppet
• Configure Puppet Network
• Install a Release Package to Enable Puppet Labs Package Repositories
• Write and generate Manifest script for configuration automation in Puppet
• Create a Standard Puppet configuration Document for my Environment,
• Ensured connectivity to Servers and Network Administration
• Created Korn shell scripts to automate Cron jobs and system maintenance.
• Installation, Configuration and Administration of High Availability VERITAS Cluster Servers for failover and redundancy purpose,
• Installing and configuration of Splunk in a staging environment
• Configure Splunk for log Monitoring, log rotation, activity monitoring
• Migrated Splunk config file to multiple remote servers
• Enabled Log debugging in Splunk
• Experienced in Troubleshooting Splunk search quotas, monitor Inputs, WMI Issues, Splunk crash logs and Alert scripts
• Document team SOP
• General Linux Application stack troubleshooting in Amazon AWS environment.
• Scripting and automating as repetitive tasks in production and staging environment,
• Supporting Amazon AWS EC2 based servers.
• Supporting RDS instance of MySQL based database.
• Designing Amazon VPC for increased security and segregation of application stack;
• Planning, Documenting and Executing application migration from EC2 classic environment to new VPC based environment.
• Implementing Auto-scaling groups on Application servers to reduce cost and enhance optimal use of resources,
• Collaborated with development team to stream line and automate code push to production through Git servers
• Plan and execute server maintenance
• Configured SAN storage
• Install and configure Nagios
• Kickstart installation

Confidential, Falls Church, VA

Sr System Administrator/ Application Support

Responsibilities:

• Experienced in Servers deployment with kickstart and spacewalk)
• Hands on data centers operations work (rack/stack, cable patching, and maintenance)
• Install and configure software, Build and deploys with RPM, yum, Jenkins
• Coordinate system/software installs & upgrades
• Document all the things (JIRA, Confluence)
• Wrote scripts with Bash, Perl, and Python
• Scheduled jobs with Crontab scheduler
• Create and Managed user accounts
• Grant SUDO access to users and monitor users permissions
• View application and server logs files
• Troubleshoot application bottleneck
• Install and configure Web server and Middleware (JBOSS, apache,)
• Use Remedy Ticketing system
• Experienced using Enterprise Monitoring tools
• Install and configure MySQL Server
• Developing system administration-related solutions
• Install new and rebuild existing servers, configure hardware.
• Contribute to, document, and maintain system standards
• Research and recommend innovative approaches for system administration tasks
• Install OSSEC for intrusion detection System monitoring
• Perform security monitoring, investigate and troubleshoot issues
• Repair and recover from hardware or software failures
• Apply Linux and UNIX patches and upgrades on a regular basis
• Maintain operational documentation
• Perform periodic performance reporting
• Execute ongoing performance tuning, hardware upgrades
• Experienced with SAN storage use in VMware deployments: VMFS, NFS, RDM, iscsi
• Experience working with change management processes in a high availability environment

Confidential, Alexandria, VA

Linux Administrator

Responsibilities:

• Collaborated with development team in creating various data models to calculate lead scores as per business requirements;
• Perform daily administration activities for Application & Database servers;
• Retiring old servers, configuring new Windows and Linux servers, moving custom application, SSIS packages & databases to new servers;
• Documented developed and implemented daily server administration standards and procedures.
• Planned for new environment to stabilize/standardize current Production, Stage, and QA & DEV and deployment environment;
• Implemented procedures to perform database backups on weekly and incremental basis;
• Performed UNIX user Accounts Administration
• Administered file System Security.
• Setup Default Home Folders for all Users;
• Upgraded Server Memory and Configured Page file
• Installed Backup Drive and did weekly Backup of Access Database
• Monitored Disk I/O and Installed Raid 5;
• Installed Solaris 7, 8 on E4500 servers
• Installed Patches
• Set up mount points for Oracle Database
• Performed User Accounts Administration
• Did Performance Monitoring
• Scheduled Maestro Jobs launch maestro utilities and viewed completed jobs
• Troubleshoot maestro issues

Confidential, Vienna, VA

Linux System Admin

Responsibilities:

• Responsible for installation, configuration, network security and overall maintenance of Sun Solaris and Linux Red Hat Servers
• Installed and Configured Solaris 7, 8 and 9 servers
• Installed Sun recommended patch cluster
• Performed TCP/IP and Network configuration on the servers
• Installed Host attached disk Arrays
• Performed hardware administration
• Administered Sun disks with VERITAS Volume manager
• Created VERITAS Disk groups and volumes
• Created VERITAS file system and mount points for oracle databasee
• Administered User accounts on Solaris 7, 8, 9 servers
• Customized user environment for users
• Administered User accounts on Red Hat Linux
• Troubleshoot/fix NFS, TCP/IP, net backup issues
• Administered NFS on Sun, Red Hat, and Linux server;
• Troubleshoot network connectivity issues
• Performed patch administration
• Migrated and upgraded web server on new hardware,
• Administered User accounts on Red Hat Linux
• Administered NFS on Sun, Red Hat, and Linux server;
• Set up a Net backup master and media servers,
• Tracked and fixed problems using systems logs
• Tracked disk space on servers using shell scripts
• Implemented file system for Oracle software and database.