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Devops Engineer Resume

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Baltimore, MD

SUMMARY:

Over 5 years of IT experience specialized in UNIX System Administration working on server - based operating system; kernel configurations on Redhat Linux, CentOS, Ubuntu in a DevOps Environment

PROFESSIONAL EXPERIENCE:

DevOps Engineer

Confidential

Responsibilities:

  • Responsible for architecting new cloud infrastructure on AWS.
  • Successfully architected new deployment process starting from developers’ environment to continuous integration systems.
  • Configured microservices using Docker containers and exposing microservices through Nginx servers
  • Migrated existing Linux servers and applications running on physical hardware to new AWS instances
  • Use Jenkins, Docker containers and puppet to automate deployment process from deployment machines to stage servers
  • Configured Jenkins to use selenium tests to detect build errors, stop build process and notify developers of errors
  • Configure AWS to render static pages with speed requirements using Cloud Formation
  • Periodically use Nagios to monitor total cloud infrastructure status and create alerts when necessary
  • Responsible for cost awareness on cloud infrastructure and to reduce total infrastructure overhead
  • Used S3 buckets to store organizations artifacts
  • Use AWS CLI and Boto3 in conjunction with other developers to customize administration panel as requested by customers
  • Periodically use AWS IAM service to administer cloud accounts and to create limited user accounts for users
  • Create and configure developer machines in AWS environments and support access to accounts
  • Successfully implemented security using a combination of AWS security features and Linux security features
  • Generate and monitor account usage report for presentation at status meetings

Linux Administrator

Confidential, Baltimore, MD

Responsibilities:

  • Launched Amazon EC2 cloud instances using Amazon Web Services (Linux/Ubuntu) and configured launched instances with respect to specific applications
  • Defined AWS security groups which acted as firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances
  • Setup and configured Virtual Private Cloud (VPC)
  • Develop cloud formation scripts to automate EC2 instances
  • Installed, configured and performed operating system upgrade on Red Hat Linux 5.x, 6.x, 7.0, Ubuntu 13.x and 14.x
  • Actively involved in building and configuring Red Hat servers remotely using jump start/kick start servers
  • Installed, configured, updated and troubleshoot webservers like Apache, Tomcat
  • Installed and configured various services like DHCP, DNS, NFS, Apache, web server, LDAP, SSH, FTP/SMTP, Telnet, RPM package management, file system management
  • Worked on builds and improved the reliability and performance of cloud applications and cloud infrastructure deployed on amazon web services
  • Ensured SLA compliance via robust network monitoring
  • Monitored the systems CPU, memory, IDE/SCSI discs, RAID controllers, file systems and network parameters using NAGIOS
  • Used Jenkins and puppet to perform automated CI builds and deployments
  • Worked on puppet for the deployment of servers with custom scripts
  • Deployed puppet for configuration management to existing infrastructure

Linux Administrator

Confidential, Atlanta, GA

Responsibilities:

  • Installation of Red hat Enterprise Linux 4.x, 5.x using kickstart on Dell servers
  • Installing, configuring and upgrading of the cent OS 5.x
  • Performed support role for applications on mission critical Enterprise Networks and Multi-server environments
  • Troubleshooting various issues on ssh, ftp, telnet etc.
  • Configured iptables on linux servers
  • Swap space administration, data warehousing and system backup using tar, cpio for local systems
  • Day to day activities included handling security issues like stale UNIX account cleanups, 90 day password changes, setting max age and min age, creating a list of umask settings for various users
  • Ensuring data redundancy with RAID implementation
  • Wrote shell scripts to automate daily repetitive activities

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