SUMMARY

• Linux systems engineer with 5+ years of deployment and critical server support across various environments in production on AWS and VMware.
• Experienced with application automation using Bash, Python, and Ansible.
• Strong interpersonal skills providing a combination of advanced technical expertise and exceptional soft skills to maximize collaboration to achieve maximum efficiency and result.
• Looking for a senior position in DevOps engineering, Cloud computing, Network, and Security.

PROFESSIONAL EXPERIENCE

Confidential, San Francisco, CA

Linux Systems Engineer / DevOps Engineer

Responsibilities:

• Assisting in CI/CD (Continuous Integration / Continuous Deployment) processes across SDLC.
• Responsible for all DevOps functions in an AWS VPC environment running multiple production SaaS applications on Node.js, .NET, and Rails stacks with auto - scaling elastic infrastructure
• Build and test automation tools for infrastructure provisioning using Ansible and CLI.
• Experience with automation/configuration management using Ansible playbooks and ad-hoc.
• Strong experience in Linux Administration on CentOS 7/ CentOS 6 / Ubuntu / RedHat.
• Improved application deployment reliability and speed using Jenkins and GitHub.
• Handle code deployments in all environments on AWS and managing internal yum repos .
• Designed and developed automated deployment and scaling processes based on Vagrant and Chef for a wide range of server types and application tiers, including Elasticsearch.
• Responsible for day-to-day systems administration and engineering on all production, staging, and development environments with supporting technologies including RDS, ElastiCache, Redshift, S3, SQS, SES, CodeDeploy, GitHub, Papertrail, Slack, Raygun, and Pivotal Tracker.
• Provide input and progress report during weekly meetings with multiple teams.
• Created bash scripts automating system administration tasks and scheduling with cron.
• Created python scripts to migrate systems from CentOS 6 to CentOS 7.
• Managed docker containers in productions and troubleshooted issues with processes.
• Managed AWS resource utilization for infrastructure team and keeping track of cost.
• Created CI/CD pipelines with team for multiple developers across the business.
• Participated on-call every month for a week with monthly rotations.
• Participated in disaster recovery drills and troubleshooting any issues that may arise.
• Migrated infrastructure from data center using VMware and to AWS using migration hub.
• Backed up data from infrastructure to AWS using snowball and decommission datacenter vms.
• Troubleshooting network devices using telnet and network commands and finding RCA.
• Escalating issues to necessary teams and working alongside senior management, developers, storage, network, infrastructure, database, offshore, corporate IT, salesforce, etc.
• Trained junior members on internal issues and helping them resolve their problems.
• Documented internal tickets, and implementation plans using Atlassian Confluence.
• Experienced dealing with vendors for hardware, software, and other resources.
• Supported 400+ machines in production on AWS and 575+ on VMware.
• Managed GitHub branch and dealt with code releases on a weekly basis.

Confidential

Linux systems Administrator

Responsibilities:

• Provides support to RHEL 6/7, Ubuntu, and CentOS 6/7 machines on VMware.
• Worked closely with other IT departments to help develop systems that will be implemented.
• Setup ESXi hypervisor on bm server and installed virtual machines on new prod servers.
• Managed virtual machines on VCenter and troubleshooted issues related to console.
• Created backups of virtual machines using of templates and snapshots on datastore.
• Replaced physical components of server at datacenter on a frequent basis.
• Participated on-call on the weekends in a monthly rotation supporting critical infrastructure.
• Racked and stacked physical servers and troubleshooted iDrac and iLo tickets.
• Participated in security scans, across production systems looking for any viruses.
• Maintain Linux system performance by performing system monitoring and analysis, and performance tuning; troubleshooting system hardware, software, networks and operating and system management systems; designing and running Linux system load/stress testing; escalating application problems to vendors.
• Managed critical infrastructure of production systems and sudo permissions.
• Troubleshooting network devices and escalating any issues to networking team with logs.
• Built VMware ESXI hosts and convert physical server to VM using VMware vCenter Converter
• Worked with LDAP for user authentication and troubleshooting related issues.
• Scheduling jobs for backups, scripts, and processes using crontab.
• Troubleshooting network related issues to server and ssh access across production.
• Managed disk space using LVM and extended partitions. Troubleshooting space issues.
• Experience working with different Windows systems, troubleshooting DNS, and Active Directory.
• Helped deploy RedHat satellite solutions with that provide a stable management solution.
• Established and implemented Linux system specifications by analyzing workflow, access, information, and security requirements; designing Linux system infrastructure.
• Perform daily system checks, review and respond to events reflected in various management tools, perform server patch management through ticketing system
• Extensive experience with cloud infrastructure, and cloud computing vendors to create and maintain VMs, containers, networks, security rules, etc.
• Troubleshooted webservers running on Apache Tomcat, HTTPS, HTTP, and supporting them.
• Experience deploying scalable web infrastructure with Apache, NGINX, PHP, and Node.
• Managing infrastructure on Nagios and customizing tool for internal usage.
• Installation & Upgradation- Installing the OS, upgrading to newer versions, performing manual & network-based installation, VMware installations, writing necessary pre & post initial scripts as a part of installation, automate the installation and boot process through kickstart file.
• Extensive experience patching security, updated, and bugs across RHEL systems.
• Handled ad-hoc requests, for installing a bunch of new servers, setting up a separate network.