Kalyanasundaram E
Tech Lead | DevOps Architect | Cloud & Platform Engineering Leader
Chennai
Summary
Seasoned DevOps and Cloud Engineering Leader with 12+ years of experience driving large-scale cloud transformation, infrastructure automation, and platform engineering initiatives. Proven ability to lead high-performing teams, align engineering strategy with business goals, and deliver secure, scalable, and cost-optimized solutions. Strong expertise in AWS, Terraform, Kubernetes, CI/CD modernization, and DevSecOps practices.
Overview
14
14
years of professional experience
6
6
Certifications
1
1
Language
Work History
Tech Lead
Fiserv India Pvt. Ltd.
02.2022 - 03.2026
- Lead a team of 10 DevOps engineers supporting cloud infrastructure for 100+ microservices on AWS
- Designed and implemented a GitOps-based CI/CD platform using Jenkins, GitLab, and Harness
- Utilized GitHub Copilot to enhance productivity and code quality in DevOps and SRE automation tasks, including infrastructure-as-code development and deployment pipeline optimization
- Designed and executed automated Linux OS patching for Amazon EC2 and Amazon ECS environments, improving system security posture and achieving >95% patch compliance.
- Implemented and managed Linux High Availability (HA) clusters using Pacemaker, EKS and ECS to ensure system resilience and uptime
- Applied IT security best practices across Linux environments, strengthening system hardening, access control, and compliance posture
- Reduced deployment time by 70% and infrastructure costs by 25% through automation and optimization
- Built reusable Terraform modules and managed Infrastructure as Code across environments
- Migrated monolithic systems to containerized microservices architecture, improving uptime and scalability
- Implemented DevSecOps practices integrating Wiz, AWS Inspector, Security Hub, and Alert Logic
- Designed and deployed Disaster Recovery (DR) and Business Continuity Planning (BCP) solutions
- Lead cloud migration initiatives including multi-region and Aurora RDS architectures
- Maintained 85–100% security compliance with zero-downtime deployment strategy
- Built AWS Capacity and Usage Report (CUR) dashboards for finance and leadership teams
- Leadership Impact: - Collaborated with product, security, and finance stakeholders to align cloud strategy with business goals - Mentored engineers and fostered a culture of ownership, automation, and continuous improvement - Acted as a key liaison translating complex technical solutions into business outcomes
- Key Achievements: - Reduced operational costs by $10,000 annually (2023) through architecture optimization - Achieved additional $10,000 annual savings (2024) via log management optimization
DevOps Engineer (PaaS)
Trimble Information Technologies
06.2018 - 05.2021
- Automated infrastructure provisioning using Terraform and Ansible
- Managed AWS services including ECS, EC2, RDS, VPC, Route53, WAF, API Gateway, IAM, and S3
- Implemented blue-green deployments to ensure zero downtime
- Main the zero % downtime and Performed Linux hardening, patching, and performance tuning
- Configured middleware including Apache Tomcat, JBoss, and Datastax
- Monitored systems using Datadog, New Relic, and Sumo Logic
- Conducted end-to-end deployment validation for Java applications
IT Administrator / AWS Administrator
E2Infosystems Pvt. Ltd.
05.2014 - 06.2018
- Designed highly available AWS architectures using EC2, S3, RDS, SNS, SQS, and IAM
- Migrated on-premise environments to AWS cloud
- Implemented backup and archival strategies using S3 and Glacier
- Managed middleware systems (Tomcat, JBoss, Apache, Nginx, MySQL)
- Configured VPCs, subnets, security groups, and CDN solutions
- Administered IAM policies and monitoring systems for compliance
- Build and hardening the Linux servers
- Strong networking expertise including TCP/IP suite, IP routing, NAT, and firewall configurations in cloud and on-prem environments
- Supports the VOIP network for Cisco Avaya and Asterisk
- Developed technical documentation and training materials
System Engineer
Buzzworks Business Pvt. Ltd.
08.2012 - 07.2013
- Configured RAID storage and Linux server deployments
- Automated administrative tasks using shell scripting
- Managed FTP and Samba services
- Performed patching, upgrades, and troubleshooting
Technical Support Engineer
Origin ITFS Pvt. Ltd.
11.2011 - 07.2012
- Managed Linux NFS, Apache servers, and MySQL access
- Provided real-time production support via ticketing systems
- Performed system recovery and backup operations
Education
M.Sc. - Information Technology
S.R.M Arts And Science College
Chennai, India01-2010
B.Sc. - Chemistry
Kamaraj Arts And Science College
Tuticorin01-2007
Skills
Cloud Platforms: AWS (EC2, ECS, EKS, RDS, VPC, IAM, Route53, WAF, CloudWatch, S3, CloudFront)
DevOps & CI/CD: Jenkins, GitLab CI, Harness, GitOps, Terraform Enterprise (TFE)
Infrastructure as Code: Terraform, Ansible
Containers & Orchestration: Docker, ECS and Kubernetes (EKS)
Scripting & Automation: Bash, Shell, Python
Performance optimization
Infrastructure management
Cloud computing
DevOps principles
Certification
AWS Certified Solutions Architect – Associate (2019)
ADDITIONAL INFORMATION
Date of Birth: 27 April 1987
Timeline
Tech Lead
Fiserv India Pvt. Ltd.
02.2022 - 03.2026
DevOps Engineer (PaaS)
Trimble Information Technologies
06.2018 - 05.2021
IT Administrator / AWS Administrator
E2Infosystems Pvt. Ltd.
05.2014 - 06.2018
System Engineer
Buzzworks Business Pvt. Ltd.
08.2012 - 07.2013
Technical Support Engineer
Origin ITFS Pvt. Ltd.
11.2011 - 07.2012
M.Sc. - Information Technology
S.R.M Arts And Science College
B.Sc. - Chemistry
Kamaraj Arts And Science College