Suvadip Mandal
IRVING,TX
Summary
A result-oriented professional with over 10+ years of experience in Chef.io, Chef Automate, Splunk, Jenkins, Python, Shell, PowerShell scripting, AWS EC2 Jenkins plugin, AWS boto3, Hashicorp Nomad, telegraf, InfluxDB, Grafana, Telemetry. Hands-on experience of Chef Automation, Docker, Windows & Linux Server, Jenkins, GitHub, Shell scripting, PowerShell scripting. Proficient in implementing all kind of server automation cookbooks like chef server management, Nagios agent installation cookbook, NetBackup agent installation cookbook, apache tomcat installation with war file deployment etc. Good in node management with architectural diagram and development to handle nodes in Chef Server. Awarded with Spot Award and many more in Infosys across competencies. Awarded with Performance with commitment and dedication awards in UnitedHealth Group. Awarded with Innovation award in UnitedHealth Group. Awarded with Collaboration award in UnitedHealth Group. A go-getter having keen interest in new product development and automobile designing. Quick learner with strong communication, interpersonal, analytical and problem solving skills.
Overview
4
4
years of professional experience
Work History
Senior Site Reliability Engineer
UnitedHealth Group(Optum)
Irving, TX
11.2022 - Current
- Having experience in Shell scripting for Linux
- Having experience in PowerShell scripting for windows
- Written cookbooks for telegraf installation with enabled plugin
- Enabled mechanism to execute cookbooks for specific environment and also in specific platform
- Created Load Balance for RabbitMq server
- Create Grafana dashboard
- Have experience in Grafana Monitoring tool for On-Call support for a week of every month
- Release updates and changes to cookbook through CI/CD mainly using Jenkins
- Creation of Splunk dashboard to get notification from Grafana alert events drop to zero
- Created Splunk dashboard to show Grafana datasource usage with datasource id
- Worked on Splunk infrastructure like creating search head clustering
- Pull the details of any Grafana dashboard error from splunk with specific date and time range
- Able to query on Splunk
- Create Grafana Mimir dashboard to get all the require metrics like CPU, Disk, Memory, Swap, Disk IO wait, slow quires, total user connection, Row lock average etc
- Installation and configuration of telegraf 1.26.1 manually as well as with Chef
- Provisioned multiple docker containers with the help of Terraform through shell scripting
- Provisioned AWS Ec2 instance with the help of terraform
- Experience in creating Ruby gem bundles
- Worked on Line Protocol of InfluxDB to manage huge sets of data
- Worked on Nomad to act as a writer of the messages for the ingress and egress of rabbitmq for the cold storage
- Worked on data communication protocols AMQP and message broker as RabbitMQ for Prod and Non prod environment
- Worked on Conflux datasource to get deployed through Hashicorp Nomad and Configure Grafana dashboard for Conflux metric
- Observability on the Logs for nomad console or from the nomad cli to get the exact issue of the jobs
- Worked on scaling the Nomad jobs within a job group
- Administration of Nomad like start, restart on the allocation of the jobs
- Managing existing nomad job allocations.
Senior Technical Consultant
Infosys limited
Irving, TX
01.2020 - 11.2022
- Converted chef cookbook into Shell and PowerShell script accordingly due to cost issue
- Created oracle Client, nagios client cookbook for a client
- Python script to automate to automate disk space issue for Linux and Windows server
- Written Python script to automate the conversion of cookbook which is written in Ruby
- Written PowerShell script to migrate users and groups from one Domain to another domain with cross domain function in windows Active Directory
- Researched and developed migration script for Microsoft Azure from classic to ARM
- Developed many other scripts in PowerShell, runbook and JSON for template creation to convert the manual work into automation for Azure
- Worked on Auto-completion using Redis and Flask in Python
- Provision EC2 Virtual Machine as a Jenkins slave to execute chef dk from the slave
- Created python script to automate AWS resources with boto3 module
- Created AWS services with the help of Terraform
- Installed Splunk Universal Forwarder on the Chef server to forward data to Splunk, where the data is indexed and can be analyze in Splunk.
Senior Engineer
Dell Technologies
Bangalore
- Python script to automate ticket(issue) creation on Jira or update existing Jira issue
- Designed workflow to create the API to populate output of fortify database as an Json format
- Written a python module to create an API to fetch data from database, also simplified the process with a parameter as a input to give a id, extensively worked with Flask and Pandas module to create and move this workflow successfully
- Integrated with CI/CD process with a simplified shell scripting
- Created a gitlab CI/CD pipeline in a yml format to integrate with a IBM Appscan python script to give to check the security vulnerabilities for any application
- Deployed the application into Service Fabric in Azure with the help of Kubernetes.
Senior I O Engineering Analyst
UnitedHealth Group (Optum)
Hyderabad
- Created Jenkins pipeline to push the Chef cookbooks to the private Chef Supermarket by using shell scripting
- Setup Jenkins Build with Docker containers
- Create Jenkins master and build slaves as Docker Container
- Developing bash/PowerShell programing language for automation for minimal effort from end user
- Creation of RESTFUL API to integrate PMG Service catalog (ESC) with Jenkins to automate the process for pipeline creation with a click of one buttonfrom ESC page
- Creation of ARM template
- Developed RESTFUL API using python
- Given proper solution for Docker Agent Template by providing self-service and ephemeral Docker Engine
- Strong use of Shell scripting languages including BASH for Linux and PowerShell for Windows systems
- Created a workflow and designed an architectural diagram in Microsoft Visio for pushing cookbooks via Jenkins, but it was a complex process to push the cookbooks to two Chef Servers
- This process had been done in Shell scripting in Jenkins console with the help of Jenkins API
- Writing pure Ruby in the cookbook to trigger the role, recipes and environment to multiple nodes can be 1 million nodes in just fraction of seconds
- Restricted the knife command/tool for the users and the solution was to develop a manageable platform from where every users can upload their cookbook to the Chef servers by using Jenkins
- Creating CI/CD Jenkins architecture diagram to create a pipeline which has been integrated with Chef and GitHub
- Configuring conjur, a secret management tool which has been integrated with chef to manage the secrets in a central way
- Performed DevOps for Linux and Windows platforms
- Creating a cookbook to creates a Jenkins pipeline and the respective inside jobs with the help of Jenkins API, initial job starts automatically through Jenkins API
- Worked on Chef Attribute management to maintain the patch in the nodes through an extensive development
- Deploying cookbook via roles into the chef server with the addition of environment which restrict the user to pin any version - architecture and development
- Implement Yard tool(A tool developed by ruby based platform) to maintain all the Chef cookbooks details, maintained all the cookbooks README.md file to get a better view and understandable way for all the end users
- Developed a reboot cookbook by using cookbook ruby code language, which will maintain the halt for one server to reboot and give a completion of the reboot signal to the second server to do the self-reboot, this process will maintain the failover during the simple reboot
- Given training on advanced Chef with hands-on experience to the users and covered configuration, implementation and development of the Chef server, chef workstation (Chef DK), Chef client, Jenkins configuration in front of 300 peoples, so that they can understand the Devops tools
- Bright Idea from Research and Development Lab - Saved $1.2 million for the year 2018 by doing 100 % automation for UnitedHealth group
- Saved $0.5 million for the tear 2017 by doing the automation from Chef Cookbook by creating a self-healing process to make the convergence on addition of roles and recipes in the Chef nodes.
Cloud Automation Engineer
EDS Technologies
Hyderabad
- Managing and Building the DevOps Practice
- Strong use of Shell scripting languages including BASH for Linux and PowerShell for Windows systems
- Excellent configuration management using Chef Automation
- Configured and developed a platform for Chef automates with WORKFLOW, VISIBILITY, BASIC Chef, Habitat, Inspec
- Developed cookbook from chef as a part of automation in multiple project deployments
- Deployed many cookbooks by using knife from Chef Workstation
- Worked within the Cloud for integration processes
- Performed DevOps for Linux and Windows platforms
- Monitored developed applications and fixed bugs
- Wrote code and designed continual updates
- Completed load and performance testing of extremely complex systems
- Designing and implementing Hybrid Cloud for Mid Enterprises
- Configuring Linux web servers also designed web pages by using PHP, HTML and CSS styling
- Researched and developed Apache 2.2 SSL proxy front end proof of concept that provides SSL encrypted communications between our Tomcat 7 servers and our Apache front-ends
- Researched and developed migration script for Microsoft Azure from classic to ARM
- Developed many other scripts in PowerShell, runbook and JSON for template creation to convert the manual work into automation for Azure.
Analyst
Deloitte
Hyderabad
- Understanding the manual workflow for windows server and writing the PowerShell scripts to automate the easiest way
- Configuring the load balancer for Linux machine with the help of nginx
- Solving the compliance for the servers and implemented a workspace with Chef Inspec which is Compliance as a code
- Windows 2003/2008/2012, Red Hat Enterprise Linux 6.5, Chef Automation & Infrastructure, Chef Inspec, Chef Automate, PowerShell Scripting.
Senior Systems Engineer
Infosys Limited
Bangalore
- Developing any type of server automating script with the combination of Ruby and PowerShell scripting by using chef automation
- Maintaining the infrastructure as a code in an automated way with the help of Continuous Delivery
- Working within established configuration, documentation and change management policies to ensure awareness, approval and success of changes made to the network infrastructure
- Documenting complete details of incident including customer issue and recommendation
- Diagnosing and resolving a wide range of Windows server, Linux server and networking problems to help minimize downtime
- Ensuring minimization of work and changes to prevent disruption to existing business services
- Setting-up users and configuring groups and group / roaming profiles within the Active Directory (AD)
- Configuring the chef server infrastructure and developing the server to connect to every client machines and can proceed with the workflow in an automated way
- Involved in configuration of new VMWare hosts, servers and virtual desktops using VMWare vCenter and Users enterprise systems and remote user support including laptops and desktops, network and locally attached printers
- Administering software patches on systems using patch link and representing the support team for change management
- Designed a proper automation workflow for Windows Patch in client servers from Chef and developed a script in a smooth way which will recognize, download and install the patches also it will maintain the running and stopped services.
Education
Bachelor of Science - Electronics And Instrumentation Engineering
West Bengal University of Technology
India 06.2013
Skills
- Chef - IAC
- Ansible -IAC
- Terraform
- Jenkins (CI/CD)
- Hashicorp Nomad
- Grafana
- RabbitMq
- Splunk
- REST API/Postman
- Shell Scripting
- PowerShell Scripting
- Ruby Scripting
- Python Scripting
- Linux
- Windows
- Jenkins/ REST API
- Azure
- AWS
- Devops
Academic Details
Haldia Institute of Technology, West Bengal, West Bengal University of Technology, 2012, 6.9, Poura Pathabhaban, West Bengal, West Bengal Council of Higher Secondary Education, 2008, 70.03, St. Xaviers' High School, West Bengal, West Bengal Board of Secondary Education, 2006, 70.1
Phone
+1-972-693-4801, +91-9861224080
Personal Information
Date of Birth: 10/30/89
Timeline
Senior Site Reliability Engineer
UnitedHealth Group(Optum)
11.2022 - Current
Senior Technical Consultant
Infosys limited
01.2020 - 11.2022
Senior Engineer
Dell Technologies
Senior I O Engineering Analyst
UnitedHealth Group (Optum)
Cloud Automation Engineer
EDS Technologies
Analyst
Deloitte
Senior Systems Engineer
Infosys Limited
Bachelor of Science - Electronics And Instrumentation Engineering
West Bengal University of Technology
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