SUBASH CHANDRABOSE A
Chennai
Summary
Results-driven Cloud Operations & DevOps Engineer, AWS Certified Solutions Architect – Associate, with deep expertise in managing and optimizing AWS environments. Skilled in implementing secure, high-availability architectures, automating cloud operations, and driving end-to-end CI/CD practices. Proven ability to lead seamless cloud migrations, resolve complex issues, and deliver scalable, compliant solutions aligned with business goals.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Cloud Operation Engineer
IDP Education
Chennai
10.2024 - Current
- Managing and administering multiple AWS accounts using the Stax portal for centralized governance, cost optimization, and operational efficiency.
- Experienced with AWS Organizations, Service Control Policies (SCPs), and centralized logging for governance and compliance.
- Building and maintaining scalable cloud infrastructure using Infrastructure as Code (IaC) with Terraform and AWS CloudFormation.
- Managing core AWS services including EC2, Lambda, RDS, and related autoscaling configurations.
- Designing and managing secure cloud networks using AWS Transit Gateway, VPC peering, VPNs, and endpoints.
- Administering and scaling ECS clusters (Fargate) to manage containerized workloads with minimal infrastructure overhead.
- Designing and managing CI/CD pipelines using GitLab CI, AWS CodePipeline, and CodeBuild.
- Leading end-to-end deployment and release management, ensuring smooth delivery across development, staging, and production environments.
- Configuring and managing AWS WAF to protect applications against common web vulnerabilities.
- Collaborating with the security team to remediate vulnerabilities, enforce security policies, and maintain compliance standards.
- Proactively monitoring system behavior and logs using Splunk, CloudWatch.
- Providing 24/7 on-call production support, ensuring timely resolution of incidents and minimal downtime.
- Assisting application teams with solution architecture and cloud migration strategies.
- Handling daily cloud operations through Service Requests, Incidents, and Change Requests as per ITIL standards.
Consultant
Infosys
Chennai
04.2022 - 10.2024
- Hands-on experience with a wide range of AWS IaaS services, including EC2, EBS, S3, IAM, CloudWatch, SSM, SNS, SES, SQS, KMS, EFS, RDS, Glue, WAF, DynamoDB, Lambda, VPC, VPN, Route 53, AWS Config, Security Hub, Inspector, Trusted Advisor, and GuardDuty.
- Designed and implemented highly available and performant cloud architectures to support production workloads.
- Participated in OS migration and infrastructure implementation projects, contributing to improved system performance and modernization.
- Offered troubleshooting and technical guidance to internal teams and clients, resolving AWS cloud infrastructure issues efficiently.
- Automated cloud infrastructure provisioning using Terraform, improving deployment consistency and speed.
- Developed event-driven automation using AWS Lambda with Python, improving operational efficiency and responsiveness.
- Configured and managed CI/CD pipelines with Jenkins, enabling faster and more reliable application delivery across environments.
- Maintained Git-based source control systems, ensuring repository health, code consistency, and proper branching strategies.
- Provided Linux and Windows system administration, including patching, tuning, and issue resolution across hybrid environments.
- Implemented monitoring and alerting mechanisms to maintain system health, availability, and performance.
- Monitored infrastructure using CloudWatch and custom alerting to proactively address system anomalies.
- Ensured system and network security by configuring IAM roles, security groups, and monitoring controls.
Lead Administrator
Wipro
Chennai
01.2022 - 04.2022
- Managed critical AWS services including EC2, IAM, S3, VPC, ELB, SES, SNS, and CloudWatch, supporting secure and scalable cloud deployments.
- Created and maintained IAM users, roles, and policies to implement least privilege access and enforce role-based access control (RBAC) across environments.
- Leveraged AWS Systems Manager (SSM) for operational automation tasks including remote command execution, patching, and inventory collection across distributed EC2 instances.
Senior Analyst
Aspire Systems India Pvt Ltd
Chennai
08.2019 - 01.2022
- Implemented and managed a broad set of AWS infrastructure services including EC2, VPC, Route 53, S3, IAM, SSM, SES, SNS, SQS, KMS, Client VPN, Lambda, Directory Service, CloudWatch, CloudTrail, EFS, AWS Config, Trusted Advisor, Security Hub, and Inspector.
- Performed workload migrations using tools such as CloudEndure and VM Import/Export, enabling smooth transitions to the AWS environment.
- Designed and deployed AWS Client VPN endpoints to securely control remote access and ensure network segmentation.
- Enabled Single Sign-On (SSO) by integrating AWS Directory Service with enterprise identity providers, streamlining user access and security compliance.
- Enforced AWS security best practices including multi-factor authentication (MFA), access key rotation, role-based IAM policies, security group and NACL configuration, and S3 bucket policies/ACLs.
- Led and coordinated annual penetration testing to uncover and remediate vulnerabilities, enhancing the security posture of cloud-hosted applications and services.
- Utilized AWS Config, Trusted Advisor, Security Hub, and Inspector to maintain continuous compliance and strengthen security governance.
- Utilized New Relic to monitor infrastructure performance metrics (CPU, memory, disk usage, logs), ensuring early detection of issues and efficient incident response.
- Leveraged CloudWatch and CloudTrail for logging, auditing, and operational visibility.
- Configured and maintained S3 Lifecycle Policies to automate data tiering across storage classes (Standard, Infrequent Access, Glacier), driving cost efficiency and compliance.
Analyst
HCL Technology
Madurai
04.2018 - 08.2019
- Provisioned and managed EC2, AMIs, EBS, S3, and IAM resources
- Delivered operational support via ServiceNow; handled incidents, changes, and service requests
- Ensured patch compliance and infrastructure health across Windows/Linux servers
Technical Support Engineer
ORIGIN ITFS Pvt Ltd
Chennai
12.2014 - 03.2018
- Performed system administration for Windows and Linux environments.
- Managed AD users, permissions, and server domain joins.
- Configured Apache virtual hosts, and managed scheduled jobs using cron and Task Scheduler.
- Conducted OS patching and updates, and maintained system security and stability.
Education
BE - Electronics and Communication Engineering
PABCET
Trichy08.2013
Skills
- Containerization: Docker, ECS
- Infrastructure as code: Terraform, CloudFormation
- Build tools: Jenkins, GitLab
- Scripting languages: PowerShell, Shell, Python
- Monitoring and logging: ServiceNow, JIRA, New Relic, AppDynamics, Nagios, AWS CloudWatch, Grafana, Kibana
- OS administration: Windows, Linux
- Database: RDS
Certification
AWS Certified Solution Architect – Associate
Timeline
Cloud Operation Engineer
IDP Education
10.2024 - Current
Consultant
Infosys
04.2022 - 10.2024
Lead Administrator
Wipro
01.2022 - 04.2022
Senior Analyst
Aspire Systems India Pvt Ltd
08.2019 - 01.2022
Analyst
HCL Technology
04.2018 - 08.2019
Technical Support Engineer
ORIGIN ITFS Pvt Ltd
12.2014 - 03.2018
BE - Electronics and Communication Engineering
PABCET
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