🏆 Tailor My Services to Fit Your Goals! Specializing in System Administration, DevOps AWS Cloud & Cloud Security with a great knowledge and experience. Looking for challenging new projects where I, Harshit Wadhawan can utilize my complete potential and skills up to the mark and provide industry required solutions. Well-versed in the latest operating systems, network and system administration techniques, hence seeking for a position where my hands-on self motivating passion with technology provides me with a unique understanding of how to balance conflicting requirements and bring complex enterprise level IT projects to successful completion. I Harshit Wadhawan, have the ability to work individually as well as co working with a team, Harshit Wadhawan with demonstrated results in a leading and contributing to projects. I am a quick learner and have a vast skill set and have great troubleshooting skills to assist in any kind of necessity, as long as it is running on computer.
* DevOps skills:
— Automation for build and deploy of your app from Git repository to AWS (EC2/ECS/EKS/EB, Lambda etc.)
— Develop automation for Unix/Linux infrastructure with Bash scripting.
— Develop Shell/Chef/Ansible code to automate server builds, OS patches, and deployment of applications to dev, test, and production environments.
— Design reliable infrastructures for IT products that are migrated from on-premise or developed for AWS platform using infrastructure-as-a-code concept with tools like Terraform.
— Write a custom monitoring and integrated monitoring methods into deployment processes to develop self-healing solutions on Linux EC2 instances.
— Manage multiple AWS accounts, enforced network security, user/group permissions, service performance and cost.
—Kubernetes - Creating/Managing clusters GKE, EKS, AKS. Deployment & management of workloads on K8s using helm charts.
* AWS skills:
— Designing and deploying scalable, highly available, and fault tolerant systems on AWS
— Lift and shift of an existing on-premises application to AWS
— Ingress and egress of data to and from AWS
— Choosing the appropriate AWS service based on data, compute, database, or security requirements
— Identifying appropriate use of AWS architectural best practices
— Estimating AWS costs and identifying cost control mechanisms
— Correctly using spot-instances in your project what makes your EC2 (ECS, EKS, EB) usage up to 80% cheaper!
* Common jobs that I have done:
— Introduce startups and individuals to the benefit of AWS.
— Containerize native applications (PHP, Python, Nodejs, Java, Scala, Ruby etc.) to run with AWS ECS/Docker including 1 step build & deploy (git push) using CICD tools (Jenkins, GitlabCI, AWS CodeCommit).
— Troubleshooting VPC/Networking issues, communication between AWS resources, like Lambda and private RDS/ElastiCache/EC2/etc.
— Harden security (IAM, VPC, Security Groups, S3 ACL, WAF, CloudTrail, etc.).
— Setup serverless stack (Lambda, DynamoDB, S3, CloudFront).
— Review proposed or existing AWS architecture for security, cost-optimization, HA, Backup, Performance, etc.
— Setup secured access (openVPN, SSH tunnel) between on-premise and private subnets (VPC). Setup VPC Peering connection
— Create CloudFormation templates for quick replication of AWS stack (deploy to multiple regions, easy to create and remove resources, etc.)
OS: Linux (Redhat, Ubuntu, Debian, CentOS, FreeBSD), Windows (2008R2, 2012 R2, 2016)
Web Servers: Apache, Nginx, Tomcat, JBoss.
Databases: MySQL, MongoDB, PostgreSQL
.
Linux Administration - Server Setup, LAMP setup, Bash Scripting.
Security Performance : IP filter, Fail2ban, IDS.
Web Hosting Platforms :
Cpanel
Plesk
DigitalOcean
Hostgator
Networking - IPv4, DNS, DHCP, Design & Implement different network solutions based on the environment.
Virtualization - Vmware ESX-i server setup, machine creation, backup etc. Citrix Xen server.