Balakrishnan Nagendran
Chennai
Summary
Critical thinking Platform/Application Engineer with extensive understanding of high availability architecture and concepts. Purpose-driven professional with capacity to be strong team player plus work effectively independently.
Overview
8
8
years of professional experience
5
5
years of post-secondary education
1
1
Certification
Work History
Application Support TechLead
Fiserv
Chennai, India
12.2023 - Current
- Use to be SME for all Data Driven Applications which would be consumed
by both internal and external client. - Created automated deployment pipeline for CI/CD using harness and Jenkins.
- Will provision and manage Infra resources via terraform, will manage all our code resources on github.
- Will monitor and take care of production batch jobs in control-m, will need
to fix jobs before SLA and will escalate to development team if required. - Will monitor the infrastructure and application components via Dynatrace
and splunk. - Created multiple dashboards in Dynatrace and Splunk for batch job monitoring, infrastructure-level monitoring, and application-level monitoring.
- Will be responsible for handling any major level incidents during IST hours.
Will handled Annual DR exercise for all my application under data portfolio. - Worked on multiple automations like Auto DR failover with proper health
check up, created automated script for AMI patching our EKS Clusters and
EC2 servers and created automated post patching Validation script as well. - Worked on mulitple DB services like MSSQl, Postgres and Snowflake.
- Worked on multiple BI tools like Tableau, Cognos and Power-BI, where I
created few dashboards to capture user level metrics on daily and monthly
basis where product get benefitted lot with this dashboard. - Created an automated solution for Kubernetes infrastructure certificate management by integrating Cert Manager with Venafi.
- Worked on microservices architecture in both EKS and Redhat openshift
Clusters where will take care of end to end deployment. - Documented all technical procedures and user guides, facilitating quicker issue resolution.
Devops Engineer
Comcast
Chennai
09.2022 - 08.2023
- Monitored automated build and continuous software integration process to drive build/release failure resolution.
- Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability, and performance.
- Drove project lifespan from concept to final rollout in development and deployment.
- Wrote code and supported architecture in high-throughput systems.
- Implemented best practices to protect data and assets.
- Built automation tools and applications to deploy next-generation platforms.
- Automated and implemented system backup and recovery procedures.
- Wrote code and developed tools and integrations to meet cross-platform user needs.
System Engineer
CGI
Chennai
03.2022 - 09.2022
- Worked on AWS and Azure cloud platform services like compute engine, cloud load balancing, cloud storage, cloud SQL, stack driver monitoring and cloud deployment.
- Monitor Production Server Health with different parameters (CPU Load, Physical Memory, Hard disk, MySQL service and Http service and response time) through Cloudwatch, and Azure platforms via Prometheus and grafanna. I have experience on setting it up as well
- Have experience on python scripting, and have created some automation scripts for our environment
- Combine AWS Lambda with other AWS services to build powerful web applications that automatically scale up and down and run in a highly available configuration across multiple data centers
- Created multiple playbooks in Ansible for deployment and configuration of our cloud premises servers
- Debugging issues if there is any failure in broken Jenkins build and maintaining Jenkins build pipeline
- We will manage all our codes in our GIT Hub repos
- Setting up of whole infrastructure using different modules in terraform for our clients.
- Setting up the roles for the account in IAM for the project level, compute level
- Created S3 buckets in the AWS environment to store files and also Configured S3 buckets with various life cycle policies to archive the infrequently accessed data to storage classes based on requirement
- Setting up an alert based on customer requirements for billing, and also helped our customers to build customised bill dashboard in AWS with CUR report
- Create snapshots and Amazon Machine Images (AMIs) of the instances for backup and creating clone instances
- Provide technical support by troubleshooting day-to-day issues with various servers on different platforms
- Creating and deploying Clusters using Kubernetes in Non production and production environment
- Also I have experience on Azure Devops and Azure AD where will be managing all access level for our clients
- Working on the incident tickets based on the incident priority and resolving it
- Working with incident management team on the P1 incidents and engaging the right teams on the bridge calls
- Resolved issues and escalated problems with knowledgeable support and quality service
- Worked with stakeholders to determine implementation and integration of system-oriented projects.
- Analyzed security logs to determine and alleviate network threats
- Handled scripting tasks for debugging and automation using Python.
- Created flowcharts, diagrams and other documentation
Engineer-Technology
Virtusa consulting pvt. Ltd
Chennai
07.2018 - 02.2022
- Saltstack, Terraform, Ansible, Jenkins, Docker, GIT, Prometheus and Grafana, Kubernetes.
- Conducted research to test and analyze feasibility, design, operation and performance of equipment, components, and systems.
- Trained and mentored competent and flexible workforce to meet project needs and promote positive work environment.
- Interacted with subject matter experts to develop training material and tools for personnel.
- Wrote, reviewed and edited technical document in accordance with template requirements.
- Completed software updates and assessed security patches for optimized computer use.
- Scheduling servers based on their monthly maintenance window available and re-confirming with Application teams
- Testing the Windows and Linux patches before applying in the PROD environment by applying in the Non-Prod environments
- After successful testing, starting to apply in the PROD environments
- Troubleshooting the issues during the change window incase if validation or patch fails
- Post Implementation need to handle application team validation to ensure the servers functionality is working fine
- Also need to liaise with application teams for Application Validation and give an extended support until App team confirms their validation
- If server is in hung, we will disable the NIC’s and reset the server in Vcenter
- Involved daily, weekly, monthly and quarterly performance reports to clients
Education
Master of Business Administration - Human Resources Management
Pondicherry University
06.2019 - 05.2021
BCA - Computer Application
DG Vaishnava College
06.2015 - 04.2018
Skills
- Operating system:- Windows and Linux server administration
- Databases:- MSSQL, Postgres and Snowflake
- Programming Languages:- Python, Java (Basics), Shell ( Intermediate)
- Cloud Platform:- AWS, Azure and GCP
- Devops Tools:- Terraform, Ansible, Jenkins, Saltstack, Docker, Kubernetes
- BI Tools - Cognos, Tableau, Power-BI
- WorkLoad Automation Tools - Control-M and Autosys
- Monitoring Tools - Dynatrace, Splunk, Prometheus and Graffana
Languages
English
Proficient
C2
Tamil
Proficient
C2
Telugu
Intermediate
B1
Accomplishments
- Supervised team of 15 staff members.
- Got Top 10 employees award in 2021.
- Got "Dream Team" award in 2019.
Certification
- Python Entry Level certified
- AWS Cloud Practitioner
- Snowflake Pro - Platform Certified
- Google Digital Cloud Leader
- Kubernetes Cloud Native Associate (KCNA)
- Microsoft Azure Fundamentals Certified
- Harness Developer Certified - CI/CD, Code Repo
Timeline
Application Support TechLead
Fiserv
12.2023 - Current
Devops Engineer
Comcast
09.2022 - 08.2023
System Engineer
CGI
03.2022 - 09.2022
Master of Business Administration - Human Resources Management
Pondicherry University
06.2019 - 05.2021
Engineer-Technology
Virtusa consulting pvt. Ltd
07.2018 - 02.2022
BCA - Computer Application
DG Vaishnava College
06.2015 - 04.2018