Armaan Mahajan

Experience and Responsibilities Configure access and security.

Automating the E2E build and configuration of IaaS/PasS based solutions in Google Cloud Platform using Terraform & GitLab.
Deliver Proof of Concepts for new Solutions on Cloud.
Plan, Configure, Deploy and Operate a cloud solution
Flexible to work either independently or with team.

AWS services administration: IAM, VPC, Route 53, EC2, S3 ,API Gateway,ELB, CloudFormation, SSM, Parameter Store .
Managed Docker orchestration and Docker containerization using Kubernetes.
Used Kubernetes to orchestrate the deployment, scaling and management of Docker Containers.
Managed Virtual servers (Ubuntu, Linux and Windows) on AWS EC2 using Open-Source Chef server.
Created a universal Cloud Formation template where the environment’s values are dynamically calculated based on client specific parameters during deployment.
Proficient with container systems like Docker and container orchestration like EC2 Container Service, Kubernetes, worked with Terraform.
Experience customizing JIRA projects with various schemas, complex workflows, screen schemes, permission schemes, and notification schemes.
Used Shell scripts to automate the deployment process.
Automation of various AWS services like IAM, VPC, EC2, S3, SSM parameter store vi cloud-formation.
Implementing the CI/CD for various aws services & java based applications via Jenkins,Maven and Nexus repository.
Creation of Lambda function for fetching of AWS inventory details like IAM, S3 buckets using Python scripts(boto3 module).
Management of SSL certificates using ACM.
Creation of EC2 instance , AWS autoscaling , Security Groups using terraform.
Creation of docker files used for multiple projects.
Deployment of web servers and services via Ansible.
Experience in automated cloud services like AWS Code commit.
Administration of Jenkins servers and integration with Docker, Ansible,Gitlab.
Managing the Identity access management in AWS .
Designed GIT branching strategies, merging per the needs of release frequency by implementing GIT flow workflow on Bit bucket.
Used Jenkins to automate most of the build related tasks.
Provisioned load balancer, EC2 instance, auto-scaling group and launch configuration for micro services using Ansible.
Implemented Ansible to manage all existing servers and automate the build/configuration of new servers.
Deploying and maintaining production environment using AWS EC2 instances and ECS with Docker.

Administration of Jenkins server
AWS administration EC2,IAM,S3,VPC,RDS.
Self healing of services like Jenkins, tomcat and Apache using Bash shell scripting.
Managing the Dispatcher, Akamai and varnish caches in infrastructure.
Hosting the websites on apache web servers ( creating LDAP, rewrite rules, htaccess management, apache server hardening)
Performance tuning of linux server and SSH hardening (open-ssh).
Installing and managing the apache tomcat server.
Managing the user-management, apache services, log-rotation policies by shell scripts.
Maintenance and support of AEM ( Adobe experience Manager) application running on apache tomcat
Managing the applications of user-management, OSGI bundling of AEM.

Performing daily health checks of all Intelligent Network nodes like SDP, CCN, AIR, VS,EMA, EMM, MINSAT/ECMS, IVR, CRS, NGVS.
Delivering proactive preventive maintenance for day to day operational issues to provide fault free and maximum service availability of Intelligent Network to customer.
Providing support during maintenance window by taking pre and post health check of nodes on which activity has to be performed and also monitoring live traffic proactively during that window.
Monitoring critical checks of all nodes through HTML links and CSNM tool, Etiger, IBM Tivoli OneFM.
Fetching CRD logs on linux server via various command.
Monitoring of server (disk space, Cpu load and hardware errors).
Escalating issue to the 2nd level team for critical issue and engaging the incident management team for critical.
First level troubleshooting on all IN nodes.
Checking backups, schedular and dumps on daily basis so that the reporting of customer not impacted.
Basic knowledge on Linux and Solaris as the all the nodes are on platform of Solaris or Linux.
Hands on experience on tools like SecureCRT, OneTM,OneFM,Etiger , CSNMT (Charging System and Node Monitoring Tool), Command line

Troubleshooting of Linux servers.
Continuous remote support of VAS servers.
Password resetting of Linux servers.
Created oracle tables, constraints,
Accessing and handling IVR servers via SSH, and VPN.
Generating the Dump and send it to business.
Providing support to generate report on the basis of received file, and scheduling in crontab for many purpose.
Identification and Timely Resolution of all server related issues.
Monitoring of production server on 24*7 .
Server Health checkup disk space, memory usage, CPU performance.
To fetch per hour transactions report across all vendors through Oracle database.
To check replication lag across all DB server and troubleshooting problem at 1st level.
Loaded the data using the SQL loader.
Database related basics operations.
Analyzing and handling the major transactions of Intelligent Networks and Payment