TECHNICAL SKILLS

AWS: (Cloud Formation, Codepipeline, Cloud watch, IAM, EC2, EBS, RDS, VPC, S3, EFS, ELB, IAM, SQS, SNS, Auto Scaling, Route 53

CI/CD Pipeline Automation: CodePipeline, CodeCommit, CodeDeploy, Jenkins, Maven, Junit, Selenium, Sonarqube, Jfrog Artifactory

Containerization: Docker, Kubernetes, ECS, EKS, ECR, Fargate

SCM Tool: GIT bash, Github, Gitlab, SVN

Cloud Computing: Docker, kubernetes

Migration: Packer, EC2, S3

Configuration Management: Ansible, Puppet

Provisioning Tools: Terraform, Cloud Formation

System Monitoring: Splunk, Tivoli Ominibus, Nagios, Zabbix, Cloudwatch

Operating Systems: Red Hat Linux 4, 5, 6, 7 & 8/ Sun Solaris 9 and 10/ Windows 10

Virtualization: Vmware Esxi, Vsphere Client, Oracle Virtual Box, Vagrant

Storage: iSCSI, SAN, LVM, Logical Swap, NFS, Autofs, EFS

Ticketing Tools: ServiceNow, Jira

Web Server Administration: Apache Tomcat, Jboss

Scripting Languages: Bash, Ksh, Perl, Python, Ruby, Curl

Patching: RHEL/Centos/Ubuntu/Windows & Solaris

Network: LAN, WAN, VPN

Secure File Transfer: Kitework System Administration

Security: Iptables, Firewalld, Selinux

Others: Kickstart, NTP, DNS, DHCP, LDAP, SSH, TCP/IP, HTTP, HTTPS, SMTP,FTP, ICMP, IP, TCP, Rsyslog.

PROFESSIONAL EXPERIENCE

Confidential, SilverSpring

DevOps Engr

Responsibilities:

• Worked with Database Administrators, Web server Application Managers, Product Team, Software Developers to maintain the development and production infrastructure for Health Information Systems.
• Implement weekly deployment of new codes from lower environments to higher environments using automation platform such as AWS CodePipeline, CodeCommit, CodeDeploy and CodeBuild to support CI/CD Code Development lifecycle.
• Attended kubernetes training for docker containers migration project from docker swarm to kubernetes cluster.
• Created docker image and uploaded to AWS Elastic Container Registry.
• Hosted docker containers on AWS Elastic Container Service using AWS Fargate.
• Integrated python using boto3 SDK to enable execution of python program on AWS Environment.
• Modified security policies on ELB to block weak CBC SHA ciphers for remediation of security vulnerability.
• Resolved expired SSL certificate security vulnerabilities on endpoints running on docker container in AWS environment
• Modified AWS WAF security policies to remediate weak cipher issues on public facing endpoints.
• Resolved security vulnerabilities for apache multiviews arbitrary directory listing on endpoints running on docker container.
• Disabled TLSv1.0, TLSv1.1, SSLv2 and SSLv3 on endpoints running on docker container to resolve security vulnerability.
• Addressed security vulnerabilities for HTTP Trace/Track methods allowed on endpoint running on docker container
• Configured AWS EC2 Instance log streaming for cloudwatch reporting.
• Monitored and responded to alert notifications for cloudwatch logs
• Supported applications on different platforms such as On - Premise data centers, Iaas, Paas and Saas.
• Administered changes on Gitlab and created merge requests for change deployment using puppet configuration.
• Implemented performance monitoring using Zabbix dashboard.
• Reviewed and resolved incident tickets on weekly sprints using Jira application.
• Implemented and administered SVN centralized version control system.
• Installed strong SSL Ciphers to jboss application.
• Supported in the building and deployment of new AMI and provisioned new EC2 Instances using AWS cloud formation.
• Defined new endpoints on AWS Route 53 and mapped to Load Balancers
• Administered different routing policies using AWS Route 53
• Installed 3rd party software’s on different environments
• Ability to work with AWS Console and CLI
• Proficient is scripting using bash shell
• Created python code to find all EBS volumes in an account that are not set to be deleted when their EC2 instance is terminated.
• Ability to follow process and create process where there is none
• Experience in handling and securing sensitive information and data
• Set up and maintenance of linux servers and services, networking, credentialing, high availability and load balancing solutions.
• Knowledge of high availability and disaster recovery methods for complex applications deployed in multiple regions.
• Knowledge of all standard system administrator functions such as server build outs, monitoring, patch/security updates (including Microsoft), antivirus, backups, restores, asset management, 24X7 support

Confidential

DevOps/Linux Administrator

Responsibilities:

• Worked with Database Administrators, Web server Application Managers, HPC Clusters Team and Software Developers to maintain the development and production servers
• Attended training on introduction to container management using kubernetes.
• Attended and concluded Ansible Automates seminar in DC by Redhat
• Attended and concluded DevOps course (CI/CD Pipeline using Jenkins and Gitlab Enterprise version)
• Attended and concluded AWS Solutions Architect courses and AWS SysOps Administration course in NIST.
• Attended and concluded training on the implementation of automation and provisioning tools (Ansible, Packer and Terraform)
• Resolved Database Production server kernel panic issue on RHEL7
• Resolved Oracle Database auto-start failure on database DEV & PROD environment.
• Resolved Tomcat application auto-start failure for multiple applications.
• Administered Patching of kitework server and Implementation of kiteworks system administration for secure file transfers.
• Supported Kitework Team in troubleshooting and resolving file integrity alert issue on nfiles secure transfer utility.
• Supported Firewall team in identifying and resolving firewall requests.
• Supported Vmware Virtual Infrastructure team to fix virtual server snapshot related issues.
• Mounted rails and Nodes in data centre for HPC Clusters and provisioned multiple Physical Machines.
• Installed Multiple 3rd party applications eg apache tomcat, jango, PGI and Intel compilers for HPC Clusters
• Redhat Satellite server administration including patching of virtual machines from satellite server.
• Provisioned RHEL7 machine from redhat satellite server and migrated MYSQL and old RHEL6 instance data drives.
• Installed and configured SSSD on Database Dev & Prod Environment to replace Centrify Active Directory.
• Requested LUNS from storage team to administer logical volume management
• Retired decommissioned linux virtual machines and Updated CMDB to baseline my environment for proper Database server documentation
• Configured Splunk forwarder and monitored splunk reporting for log files.
• Resolved issues resulting from vulnerability compliance scan on linux environment.
• Wrote Ansible playbook for DBA team to provide patching solutions for Database Dev and Prod Enviroment.
• Wrote scripts and provided automation solutions for external and internal facing Database Production machine patching cycles.
• Administer patching on Red Hat Enterprise, CentOS, Ubuntu and AWS EC2 Instances.
• Resolved package dependency issues for different architectures during patching
• Installed and configured new oracle 12c database server for autostart failure testing
• Implemented Active Directory Administration for user accounts and supported in planning LDAP Domain server upgrade.
• Promoted Life cycle environments, built host collections and modified provisioning and partitioned templates on redhat satellite server.
• File System Management, Unix host Security Management, System Service Management, Password aging administration, User account management etc.
• Configure AWS Identity and Access Management (IAM) Groups and Users for improved login authentication.
• Configure an AWS Virtual Private Cloud (VPC) and Subnet Group for isolation of resources.
• Implement AWS High-Availability using AWS Elastic Load Balancing (ELB), which perform a balance across instances in multiple Availability Zones.
• Assign AWS Elastic IP Addresses used to work around host or availability zone failures by quickly remapping the address to another running instance or a replacement instance that just started.
• Define AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.
• Developed and implemented a migration plan to migrate On-premise applications into AWS Cloud infrastructure.
• Created and manage S3 buckets and policies for storage, backup and archiving to Glacier
• Implement detailed monitoring of cloud environment and notification system using Cloud Watch, and SNS.
• Created SNS, Cloud watch IAM roles, S3 Buckets on AWS
• Used python to create and propagate hashed user password to multiple instances on local network.
• Resolved java application auto startup script failures with jboss and tomcat.
• Created docker containers and hosted on ECS cluster using EC2 instances.
• Created docker images and hosted image on dockerhub repository.
• Created docker volumes for persistent storage on host system.
• Created CI-CD pipeline using Jenkins and integrated sonarqube, junit, selenium, git and artifactory for testing presentation
• Quick learner with the ability to rapidly adapt to new environments

Confidential, Wayne, PA

UNIX /Linux System Administrator

Responsibilities:

• Was among a group of system administrators responsible for maintaining the development and production servers, and supporting a team of database administrator, web server application managers and software developers
• Gained extensive hands-on experience
• Managed a Red Hat satellite server for repository management
• Administered puppet automation for configuration management
• Monitored Splunk dashboards for external facing applications
• Coordinated hardware and software installations and upgrades to ensure work is performed in accordance with company policy
• Administered BEA WebLogic, Apache, Tomcat, Microsoft Internet Information Services (IIS) and Sun One / iPlanet servers for server configuration, application deployment, and performance tuning, including troubleshooting and maintenance
• Configured name- and Internet Protocol (IP)-based virtual hosts using Apache
• Created Secure Sockets Layer (SSL) and digital certificates for secured communication between applications
• Provided 24/7 on-call supports for development, production, and performance monitoring
• Worked with UNIX shell scripts, KornShell (ksh) / Bash, and Perl scripts to automate system administration jobs
• Developed Cron jobs for scheduled tasks like providing server status and other maintenance
• Implemented standard file backup and restore procedures using NetBackup
• Documented NetBackup reports and remediated NetBackup failures
• Worked extensively with UNIX (Sun Solaris), Red Hat Linux, and Windows NT / 2000 / 2003
• Runs scripts to deploy applications and backup / restore app server configurations
• Installed and configured JBoss Application Server 4.3 GA on Red Hat Linux 5.5 and 6.0
• Deployed and troubleshot the JBoss application on Red Hat Linux 6.0
• Coordinates and monitors troubleshooting to isolate and diagnose common system problems, documents system events to ensure continuous functioning, and recommends courses of action and implements them as approved
• Oversees the installation of the client department-specific applications and systems, ensures installations are in accordance with appropriate operating procedures, and determines revisions or updates to installation as needed
• Builds new servers, customizes the servers in accordance with the application requirement, and conducts installation, configuration, monitoring, and performance tuning
• Installed and configured Apache web servers, Tomcat application server, and WebSphere App server 6.1, and deployed applications on it
• Installed and configured Tomcat application server with Apache Hypertext Transfer Protocol (HTTP) Web Server in Developer (DEV), Cat, pre-production, and production environments
• Administered UNIX host security management and file system management
• Installed Solaris 9 and 10 specifically on Sun Enterprise 2900 servers
• Installed and configured RHEL 6 specifically on HP ProLiant servers
• Supported a third-party application with Tomcat 6.0 on RHEL 6
• Supported application teams during isolation tests, elevations, migrations, network segmentations, network isolations, and initial program load (IPL)
• Implemented Apache migration from Sun Solaris
• Deployed a Java-based application using Tomcat 7.0
• Built Apache Web Server 2.4 on Red Hat servers
• Created and modified virtual host containers for multiple websites
• Managed Red Hat drives using Linux Logical Volume Manager (LVM)
• Migrated data between data drives
• Created logical volumes and mount points for Oracle database installation
• Assigned permissions to Oracle directories
• Created Oracle user and group accounts
• Managed other user accounts in Solaris and Red Hat systems
• Renewed SSL certificates for multiple websites
• Implemented password aging
• Administered Network File System (NFS) on Sun, Red Hat, and Linux servers