SUMMARY:

• Experienced DevOps/Linux System Engineer with more than five years of experience with focus on DevOps tools and practices. Mainly focusing on automation with Ansible, Bash, and Python. Skilled at deploying, troubleshooting and provisioning applications across CentOS + Red Hat 6/7 servers. Collaborates with network teams in an agile environment with different teams to ensure reliable operation software and systems for fulfilling business objectives.

TECHNICAL SKILLS:

• Linux, Unix, RHEL, CentOS, Ubuntu, AWS, GCP, Azure, VMWare, Terraform, CloudFormation, Ansible, Docker, Bash, YAML, Git, HP, Dell, ServiceNow, Salesforce, Jira, Nagios, Confluence, Git, Bamboo, Jenkins, Kubernetes, Putty, MobaXterm, Splunk, Zabbix, Hardware, Software

WORK EXPERIENCE:

DevOps/Linux System Engineer

Confidential, Pennsylvania

Responsibilities:

• Managed AWS and VMware infrastructure for various level environments.
• Utilized various different services in Amazon Web Services such as EC2, S3, Route 53, EBS, RDS, MFA, VPC, IAM Roles, AMI Roles, CloudFront, Cloud Formation, Cloud Watch, Cloud Trail, and Auto Scaling Group.
• Managed S3 Storage utilizing storage classes such as Glacier for storage, backups, and object lifecycle policies.
• Experienced in Custom Amazon EC2 Instances, AMI’s, Security Groups, Load Balancers, and Auto Scaling.
• Used IAM for creating roles, users, and groups as well as implementing MFA to provide additional security to AWS accounts.
• Set up limit logins to one geolocation, set up GuardDuty, Cognito, Inspector, set up MFA to make AWS Instances more secure.
• Experienced with designing and configuring secure VPC through private and public networks in AWS by creating subnets, routing tables, and NAT gateways.
• Configured Ansible to manage AWS environments and automate the build process for AMIs used by all application deployments including Auto Scaling and Cloud Formation Scripts.
• Deployed CloudFormation templates to provision applications and infrastructure on AWS and troubleshooted any failures through the event log.
• Used Bamboo pipelines for AWS infrastructure. Jenkins pipelines for deployments, releases, and applications. Azure pipelines for new or existing infrastructure written terraform.
• Deployed infrastructure pipelines through Bamboo and Jenkins pipelines for application updates and troubleshooted any deployment issues.
• Configured Docker containers and created Dockerfiles for application images and tagging with latest versions for Artifactory releases.
• Created Bash shell scripts to automate processes for day - to-day manual activities and tasks.
• Managed images and artifacts on Jfrog Artifactory and resolved issues with release bundles linked with artifacts.
• Participated in release cycles which involved creating releases for environments and running deployments into Dev, Qa, Stage and Prod.
• Deployed and created infrastructure using Ansible dynamic playbooks utilizing roles, vars, custom inventory files, and bash scripts.
• Experienced with deploying releases via Jenkins pipelines for modifying Kubernetes infrastructure hosting various applications.
• Set up new infrastructure and high availability of existing infrastructure implementing best security practices on AWS.
• Provisioned EC2 instance running RHEL, Ubuntu, and other Linux distros.
• Used Terraform to provision AWS infrastructure and utilized Ansible to configure services in a hybrid cloud environment.
• Monitored systems, networks, and infrastructures using tools such as SiteScope, CloudWatch, Zabbix, and Nagios
• Created documentation on Confluence regarding team processes.
• Involved in source control management with Bitbucket, troubleshooted any git merge conflicts, and pushed changes to upstream repos.
• Managed labeling and branching strategies in Git with best practices in addition to resolving conflicts with regards to merging and editing files in the repos.
• Troubleshooting backup and restore problems and performing day-to-day troubleshooting for the end users on Linux based servers.
• Experienced in managing user accounts/groups, files/directories, patches, configuration, services, and volumes.
• Worked on installation, configuration, and maintenance of Redhat and CentOS servers at multiple data centers.
• Supported external customers via Zoom and Webex. Communicated via Salesforce for external app updates and issues.
• Managed engineering and development tasks through Jira.

Linux System Administrator

Confidential, Pennsylvania

Responsibilities:

• Experienced in provisioning systems with RHEL, CentOS, and Ubuntu.
• Installed, configured, maintained, and administered software and applications hosted on Linux operating systems.
• Resolved system administrator issues (troubleshooting, monitoring, patching).
• Deployed bare-metal ESXi hypervisors and configured hosts via vSphere and vCenter
• Configured RAID levels 0,1,5,6,10 on bare-metal servers.
• Managed the use of ACLs across files and directories to grant permissions to users/groups.
• Troubleshooting OS with system process tools and system activity reports.
• Experienced with LVM, analyzing disk usage, and creating disk partitions.
• Provisioned servers using PXE-Boot and configured them using kickstart files.
• Automated work procedures and pushed for better security practices by collaborating with other teams.
• Updated documentation regarding RCA and wrote how-to articles.
• Hands-on experience in installing and maintaining systems with updated patches and necessary client software packages by using package management tools like RPM, YUM etc.
• Created, moved, and restored backups using zip, gzip and tar ball.
• Scheduled jobs for specific timeframes and purposes using Cron.
• Configured IP addresses boot protocols to DHCP or static, TCP/IP model and maintained network connections.
• Managed DNS records and troubleshooted any related issues.
• Managed SSH configuration files to secure and harden remote Linux connections.
• Implemented file sharing on the network by configuring NFS for Gluster hosts.
• Worked with Git repositories via CLI to maintain and keep track of source code changes.
• Monitored infrastructure using Splunk for logs and Zaibbix for alerts.
• Configured NIC Bonding configuration in Linux for redundancy and performance.
• Provisioned Gluster hosts for storage on Ubuntu 16.04 appliances.
• Trained junior members regarding Linux tasks and supported any issues.