SUMMARY

• Results - driven, reliable, resourceful, with a strong ability to work independently as well as a team member.
• Certified LINUX system administrator and AWS Solution Architect with over 8 years of IT experience seeking a thought-provoking and inventive position to grow my knowledge.
• Experienced with installation of AWS CLI to control various AWS services through SHELL/BASH scripting.
• Cognitive about designing, deploying and operating highly available, scalable and fault tolerant systems using Amazon Web Services (AWS).
• Possess high working qualities with good interpersonal skills, high motivation, fast learner, good team player and very proactive in problem solving to provide best solutions.

TECHNICAL SKILLS

Scripting: Bash, Shell Nagios, OpenLDAP, Git, Apache, MySQL,Security-Enhanced Linux(SELinux), Access Control Lists (ACLs) Apache, SAN, IPTables/IPChain, NAS, Kickstart, VMware, SMTP, TCP wrapper, RAIDs, NGINX,

AWS Services: EC2, S3, ELB, Auto scaling Groups, Glacier, EBS, Elastic Beanstalk, Cloud Formation/Terraform, Cloud Front, RDS, VPC, Direct Connect, Route 53, Cloud Watch, Cloud Trail, IAM, Dynamo DB, SNS, SQS, ElastiCache, RedShifT, Lambda.

PROFESSIONAL EXPERIENCE

Linux Admin/AWS Solution Architect

Confidential, Austin, TX

Responsibilities:

• Support and maintain proprietary software running on Linux based platform
• Troubleshoot issues that arise that may affect incoming transactions
• Update software as new versions are available
• Document and maintain up to date documentation
• Update SSL certificates for web portals
• Maintain and update file movement flows using SQL queries
• Administer card wizard system for printing of debit cards
• Used security groups, network ACL’s, internet gateways and route tables to ensure a secure zone for organization in AWS public cloud.
• Provide system and application administration support for multi-tiered enterprise-level Linux/UNIX platform infrastructure
• Bash scripting
• Build and deploy systems and applications using automated configuration and deployments tools.
• Create, update network ACLs, through AWS command line interface
• Proficient in AWS services like VPC, EC2, S3, ELB, AutoScalingGroups (ASG), EBS, RDS, IAM, CloudFormation, Route 53, CloudWatch, CloudFront, CloudTrail.
• Experienced in creating CloudFormation stacks to provision for VPC’s, public & private subnets, NAT, RTs as per requirement and distributed them as groups into various availability zones of the VPC.
• Manage recovery and failover plan for all environment.
• Created and configured elastic load balancers and auto scaling groups to distribute the traffic and to have a cost efficient, fault tolerant and highly available environment.
• Created S3 buckets in the AWS environment to store files required to serve static content for a web application.
• Used AWS Beanstalk for deploying and scaling web applications and services developed with Java.
• Implemented domain name service (DNS) through route 53 to have highly available and scalable applications.
• Maintained the monitoring and alerting of production and corporate servers using Cloud Watch service.
• Experienced in creating RDS instances to serve data through servers for responding to requests.
• Created snapshots to take backups of the volumes and images to store launch configurations of the EC2 instances
• Integrate elasticsearch with cloudwatch to stream application log files
• Experienced in S3 Versioning and lifecycle policies to and backup files and archive files in Glacier
• Ability to design application on AWS taking advantage of Disaster recovery.

Linux Admin/AWS Solution Architect

Confidential, Columbia, MD

Responsibilities:

• Automation of jobs through crontab
• Worked with various Linux Distributions such as RHEL 5,6, 7, CentOS, Ubuntu, Debian
• Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage etc.,
• Experience with 24x7 availability to support the production computing environments, providing on-call and weekend support.
• Knowledge of protocols like HTTP and SSL/TLS and firewalls and IPtables.
• Apply patches to stay current, Implement and maintained security policies and procedures
• Performed system performance tuning to prevent excessive memory usage, a drain on CPU processing power or hard drive issues.
• Install certain RPM packages, which were not installed by default.
• With the help of IAM created roles, users and groups and attached policies to provide minimum access to the resources.
• Created topics in SNS to send notifications to subscribers as per the requirement.
• Provision of AWS managed elasticsearch instance to ingest application container logs
• Worked on the databases of the Amazon RDS and carried out functionalities for creating instances as per the requirements.
• Designed Java API to connect the Amazon S3 service to store and retrieve the media files.
• Implemented Amazon RDS multi-AZ for automatic failover and high availability at the database tier.
• Configured AWS CLI and performed necessary actions on the AWS services using shell scripting.

Linux Admin/AWS Solution Architect

Confidential, Pittsburgh, PA

Responsibilities:

• Managing system routine backups, scheduling jobs, enabling cron jobs, enabling system logging and network logging of servers for maintenance
• Monitoring system activity, disk use and log files
• Monitored health and status of systems across multiple remote sites with Nagios
• Linux based hardware troubleshooting, installation and repair, operating system patches and upgrades, security and troubleshooting at the OS level
• User account creation and management, and providing sudo access to privileged users
• Maintained edge location to cache data with CDN using Cloud Front to deliver data with less latency.
• Scaled distributed in-memory cache environment in the cloud using Elastic cache.
• Reset passwords, unlock and create user accounts on HP, AIX, Linux, and Sun servers, change ownership and group for user
• Managed automated backups and created own backup snapshots when needed.
• Installation, configuration and upgrade of Redhat Linux 6, 7.
• Remote monitoring and management of server hardware.
• Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Ability to write small Shell Bash scripting.
• Worked on Grub, PXE boot, Kickstart, Packages, Yum, RPMs, LVM, Boot from SAN, file system configuration.
• Troubleshooting and configuration of Local and Network based printers.
• User, Group Administration and Advanced File Permissions.
• Maintain security for the networked environment while allowing users to access all data and software remotely.
• Worked with various vendors for setting up the testing-lab.
• Migrated applications from internal data center to AWS.
• Install Apache Tomcat to run Java Web applications.
• Created CloudFront distributions to serve content from edge locations to users so as to minimize the load on the frontend servers
• Installation and configuration of management tool Puppet across RHEL environment.
• Experience with technology incidents, coordinating/running a bridge call, and bringing the correct resources.
• RPM and YUM package installations, patch and other server management.
• Experience working in VMware ESX (VSphere) 4.x, 5.x hypervisor for virtualization and installed different OS such as Linux (RHEL), SUSE, Windows.

System Administrator/AWS Solution Architect

Confidential, Baltimore, MD

Responsibilities:

• Create new accounts and delete the existing ones as per the changing number of user accounts
• Hands on experience in Incident Management.
• Good working experience with Redhat Satellite Server for upgrading and patching Linux Servers.
• Test software security and stability, and install it in the system
• Eliminate the errors and malfunctioning by using accurate troubleshooting methods.
• Utilizing BASH Scripts and Right scale to do initial server provisioning.
• Responding and resolving all red alerts from Nagios monitoring system.
• Installation of Red Hat Linux server as a Domain server.
• Strong understanding of server security practices and tools with an emphasis on SUDO rules configuration.
• Installed and configured Sudo for users to access the root privileges.
• Configuration of SUDO rules for logging and access control
• Performed common system administration task including adding users, creating file systems.
• Integrated Amazon Cloud Watch with Amazon EC2 instances for monitoring the log files and track metrics.
• Created AWS S3 buckets, performed folder management in each bucket, managed cloud trail logs and objects within each bucket.
• Created Highly Available Environments using Auto-Scaling, Load Balancers, and SQS
• Ability to design application on AWS taking advantage of Disaster recovery.
• Configured AWS Identity Access Management (IAM) Group and users for improved login authentication.
• Worked on CI/CD tool Jenkins to automate the build process from version control tool into testing and production environment.