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Aws / System Engineer Resume

SUMMARY

  • A talented goal oriented and well - organized Linux, AWS systems administrator offering 9 years of experience in a Unix/Linux environment, AWS and expertise in different flavors of Linux such as Red Hat, Centos, Fedora and Ubuntu. Also experienced in monitoring, configuration, troubleshooting and maintaining Operating Systems.

TECHNICAL SKILLS

OPERATING SYSTEM: RedHat Enterprise Linux 5-8, Unix, Centos, Fedora and Ubuntu.

VIRTUALIZATION: VMWARE 4.1- 7.0, ESX/ESXi and RHEV

CLOUD: AWS, EC2, ELB, VPC, RDS, AMI, IAM, Cloud Formation, S3, Cloud Watch, Cloud Trial, SNS, SQS, EBS, Route 53, Azure OpenStack

CONFIGURATION MANAGEMENT: ANSIBLE, PUPPET, CHEF, SALT, GITHUB, GITLAB, CLOUDFORMATION

NETWORKING: DNS, NFS, DHCP, TCP/IP LDAP, FTP, NTP, Samba, Nagios, SolarWinds, NetAPP

SECURITY/FIREWALL: SSH, Iptables, SELinux

BUILD & CI TOOLS: JENKINS, BAMBOO

DATABASE: MySQL, ORACLE, EXADATA

WEB/ APPLICATIONS: Apache, Tomcat, JIRA

WINDOWS: 2008, 2012 R12

DOCKERS, KUBERNETES:

HARDWARE: Dell 610, 710, 810, 910, 2950, 2850 etc…

MONITORING: Nagios base Check MK, AWS Cloudwatch, Splunk

PROFESSIONAL EXPERIENCE

Confidential

AWS / System Engineer

Responsibilities:

  • Currently working on Enterprise - wide development team for Puppet-based application, middleware, patching and configuration deployment engineering
  • Help with environment Migration
  • Deploy Puppet, Puppet dashboard for configuration management to existing infrastructure.
  • Bild and configured a virtual data center in the AWS cloud to support Enterprise Data
  • Using JIRA to keep up with all MIG-SPRINTS Plans and Project
  • Experienced with building Golden AMI
  • Installed Ansible and created playbooks for installation automation. Optimized system security and performance with proactive changes to Linux OS through the sudoer’s file, selinux, firewall
  • Configured, monitored and automated Amazon Web Services as well as involved in deploying the content cloud platform on Amazon Web Services using EC2, S3 and EBS.
  • Work with F5 load balancers to load and reverse proxy servers.
  • Design roles and group using AWS IAM
  • Work with SSL Partner for new, renew cancel CERTS
  • Used JIRA to track issue and change management
  • Deploy Puppet, Puppet dashboard for configuration management to existing infrastructure.
  • Perform troubleshooting and monitoring of the Linux server on AWS using Nagios and Splunk .
  • Initiating alarms in CloudWatch service for monitoring the server's performance, CPU
  • Utilization, disk usage etc. to take recommended actions for better performance.
  • Deploying the Jenkins open-source automation server on Amazon Web Services (AWS) up the Development, Testing and Production environments.
  • Experience with Puppet to more easily manage enterprise Puppet deployments
  • Help with the creation of dev standards for Puppet module development including best practices for version control (gitlab / github)

Confidential

Linux Administrator

Responsibilities:

  • Installing, upgrading and configuring Red Hat Linux 5.5, 6.1 Servers, using Kickstart as well as Interactive installation on VMware 5.1, Dell 2650 PowerEdge servers, and Dell GX270 workstations
  • Responsible for creating new user accounts, granting permissions, security, and rights allocation
  • Process monitoring and debugging using tools such as Nagios, Vmstat, and Syslog
  • Configures DNS, NFS, FTP, remote access, and security management.
  • Collaborate with the change management team to do installation, Upgrades using RPM and YUM utility.
  • Installing and configuring Apache web servers as a proxy server.
  • Establish mechanisms for routine backups and replication of data NetBackup and clustering.
  • Use Crontab to automate daily system administration tasks such as creating backups, synchronizing files, and schedule updates
  • Keep accurate records of Linux system failures and changes.
  • Administering VMware Infrastructure by installing cluster nodes.
  • Storage virtualization to include data-store.
  • Worked in setting up the Chef repo, Chef Workstations and Chef nodes.
  • Involved in integrating chef cookbooks into Jenkins jobs for CD framework, and worked with various custom resources, created roles & environments, and using chef handlers for different auto kickoff requirement jobs.
  • Configured Red Hat systems for centralized login using LDAP
  • Partitioning and managing disks space using LVM.
  • Monitor the availability and health of the infrastructure and applications across multiple data centers using CheckMK, and Solarwinds
  • Perform monthly patching on production and non-production servers with Redhat Satellite and Spacewalk
  • Design and maintain hardware, software and Linux administration standards.

Confidential

Linux/Unix Administrator

Responsibilities:

  • Experienced in System Administration, installation, Upgrading, Patches, Migration, Configuration, and Troubleshooting
  • Debugged and resolved problems with system services - performances, Jenkins CI build issues servers and Subversions, DHCP servers, add AD/LDAP servers
  • Maintaining file systems and enforcing SeLinux and Kerberos authentication on NFS shares
  • Implemented SSL/TLS certificate on apache web servers
  • Configure storage, disk management, logical volume management and logical partitioning
  • Created manual test cases based on test plan and requirement documents
  • Created, admitted and maintained user accounts with stipulated permissions
  • Used Puppet server and workstation to manage and configure nodes.
  • Experience in writing Puppet manifests to automate configuration of a broad range of services.
  • Managed, tracked and documented defects in the build using Mercury Quality Center
  • Experienced using Red Hat Satellite server to deploy, monitor, update and manage systems
  • Troubleshoot connectivity to servers and network system
  • Used VI/VIM text editor to modify configuration file, create cron jobs and scripts

Confidential

System Analyst

Responsibilities:

  • Installed, configured and administered RHEL 5/6 on VMware Vsphere
  • Converted a lot of physical servers on Dell R820 into virtual machines for a Lab environment.
  • Managed file space and created logical volumes, extended file systems using LVM
  • Performed daily maintenance of servers and tuned system for optimum performance by turning off unwanted peripheral and vulnerable service.
  • Managed RPM Package for Linux distributions
  • Monitored system performance using SAR, TOP, FREE, VMSTAT & IOSTAT
  • Set up user and group login ID's, password, ACL file permissions, and assigned user and group quota
  • Configured networking including TCP/IP and troubleshooting
  • Designed Firewall rules to enable communication between servers
  • Monitored scheduled jobs, workflows, and related to day to day system administration
  • Respond to tickets through ticketing systems

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