Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Timeline
Generic

SUBRAMANIAN SWAMINATHAN

Summary

Senior Staff Engineer and AWS Certified Solutions Architect with 15+ years of experience building and governing secure, scalable, and cost-efficient cloud platforms. Proven expertise in AWS, Terraform, and DevOps, with leadership across platform engineering, security governance, vendor and commercial management, and accelerating developer productivity through AI-enabled tooling

Overview

19
19
years of professional experience
1
1
Certificate

Work History

Senior Staff Engineer - Cloud Platform

SPH Media
Singapore
03.2022 - Current

Projects & Solutions

  • AWS PAM: Designed and implemented a Privileged Access Management System for AWS across the organization, integrating Slack workflows for seamless approval and rejection processes.
  • Chatbot Framework: Developed a serverless solution to handle various AWS notifications, including Health, Cost Anomaly, GuardDuty, and Shield DDoS alerts, delivering updates to Slack channels in real-time.
  • CloudFront Implementation: Played a key role in implementing CloudFront for Straits Times' web application, designing efficient caching strategies to optimize performance.

Infrastructure Lifecycle Management

  • Contributed to internal and open-source Terraform modules for AFT, application infrastructure, and workload identity management.
  • Managed multi-cloud resources across AWS, GitHub, Opsgenie, New Relic, and HashiCorp Cloud Platform (Terraform Cloud, HCP Vault, HCP Consul).

Cost Optimization

  • Reduced GitHub-hosted runner usage by transitioning tasks to self-hosted runners, cutting costs significantly.
  • Optimized Terraform Cloud to Vault authentication mechanism, reducing the number of clients by 60% and achieving significant savings while maintaining security.

Vendor Management & Commercial Governance

  • Led vendor tenders and RFQs for GitHub, HashiCorp tools, and New Relic, supporting procurement and cost governance.

Compliance and Governance

  • Implemented AWS Organizations and Control Tower to manage multi-account environments with centralized governance. Aligned designs with the AWS Well-Architected Framework pillars to enhance performance, reliability, and security.
  • Automated Shield alerts integration with OpsGenie and Slack for operational efficiency.
  • Deployed GitHub Advanced Security to monitor vulnerabilities and enforce secure coding practices.
  • Developed and enforced HashiCorp Sentinel Policies for Terraform Cloud to maintain compliance.
  • Defined Service Control Policies (SCPs) for AWS accounts and GitHub rulesets to ensure governance protocols.

Security

  • Managed DDoS mitigation using AWS WAF rules, rate limiting, and application-level threat protection.
  • Leveraged AWS Security Lake to debug and analyze WAF, CloudTrail, and VPC Flow logs.
  • Deployed Vault Radar for secret monitoring across GitHub, Terraform Cloud, JIRA, Confluence, and Slack.
  • Integrated CodeQL, Checkov, and Trivy into CI/CD pipelines for proactive security enforcement.

Monitoring and Dashboards

  • Built QuickSight dashboards for Security Hub, Terraform Cloud, and GitHub, providing actionable insights using S3, Glue Catalog, and Athena.
  • Analyzed AWS CloudFront and ECS logs to identify performance bottlenecks and optimize workflows.
  • Led org-wide credential incident response, rapidly revoking and rotating GitHub credentials and driving adoption of GitHub Apps over PATs for most application use cases.

Developer Experience Enhancements

  • Reduced Terraform Cloud workspace modification time from 14 minutes to under 1 minute.
  • Accelerated CI/CD merge queue security checks from 17 minutes to 5 minutes.
  • Developed a reusable GitHub Action workflow to track deployments across the organization.
  • Implemented Backstage as an internal developer platform to enhance team productivity.

Innovation and Exploration

  • Contributed feedback to HashiCorp on Terraform Stacks, Vault Radar, and Sentinel Policies, driving operational improvements.
  • Evaluated tools like Semgrep and Open Policy Agent (OPA) for advanced policy-as-code implementation.

Team Guidance and Ownership

  • Led a team of 5 engineers, mentoring them in various projects including HCP Vault workload identity and Terraform optimizations, resulting in a 30% improvement in deployment efficiency.
  • Took ownership of key infrastructure automation tasks, driving alignment with business objectives and technical excellence.

Head of Engineering

Teamie
Singapore, Singapore
08.2011 - 03.2022
  • Cloud Architecture & Development:
    Designed and managed applications on AWS, supporting 50+ sites with shared codebases and custom workflows. Led backend API development and product feature enhancements using Drupal/PHP.
  • Integration Projects:
    Integrated 3rd-party services like Zoom, Turnitin, and Twilio. Implemented standards like SCORM and LTI, and search functionality with AWS CloudSearch.
  • Serverless & Automation:
    Built and automated tasks using AWS Lambda, Step Functions, and Zapier. Developed SSO solutions (SAML, OAuth 2.0) for platforms like AzureAD and OneLogin.
  • Performance Monitoring & Optimization:
    Improved application performance with tools like New Relic and AppDynamics. Conducted MySQL query analysis using Percona Toolkit and load testing with JMeter and Loadium.
  • Security Enhancements:
    Implemented AWS WAF ACLs for OWASP Top 10 protection. Analyzed WAF logs with Kibana and secured S3 assets with CloudFront Signed Cookies. Identified and fixed API vulnerabilities with SQLMap.
  • DevOps & CI/CD:
    Streamlined deployments with Bitbucket and Jenkins pipelines. Containerized applications using Docker and automated infrastructure provisioning with Terraform and Ansible.

Engineer - Application Development

DXC Technology
Hyderabad, India, Andhrapradesh
06.2007 - 07.2010
  • Part of Application Development & Support team, supporting applications of Sun Micro systems
  • Involved in development of web interface for user management using Java, Java Server Pages, Servlet, JDBC, MySQL

Education

MASTER OF TECHNOLOGY - Software Engineering

National University of Singapore
Singapore
2014

POST GRADUATE DIPLOMA IN SYSTEMS ANALYSIS -

National University of Singapore Singapore
Singapore
2011

Bachelor of Electrical & Electronics Engineering -

Coimbatore Institute of Technology
Coimbatore, India
2007

Skills

  • Programming & Scripting: Python, PHP, Drupal
  • Cloud Platforms: AWS (EC2, ECS, EKS, Lambda, S3, RDS, DynamoDB, CloudFront, WAF, StepFunctions, SNS, SQS, EventBridge)
  • Infrastructure as Code: Terraform, CloudFormation, Sentinel (Policy as Code)
  • Security: AWS WAF, Shield Advanced, AWS Security Lake, Github Advanced Security, HCP Vault, Security Hub, Guard Duty, Aquasec CSPM, SHARR
  • DevOps & Automation: Docker, CI/CD (Github Actions, CodePipeline, Jenkins, Bitbucket Pipeline), Ansible
  • Monitoring & Reporting: New Relic, CloudWatch, QuickSight Dashboards, Open Search, Kibana
  • Authentication: SSO/SCIM, SAML

Accomplishments

  • Successfully migrated Straits Times from Verizon CDN to AWS Cloudfront.

Certification

  • HashiCorp Certified: Terraform Associate
  • HashiCorp Certified: Vault Associate
  • HashiCorp Certified: Consul Associate
  • AWS Certified Solutions Architect – Associate

Timeline

Senior Staff Engineer - Cloud Platform

SPH Media
03.2022 - Current

Head of Engineering

Teamie
08.2011 - 03.2022

Engineer - Application Development

DXC Technology
06.2007 - 07.2010

MASTER OF TECHNOLOGY - Software Engineering

National University of Singapore

POST GRADUATE DIPLOMA IN SYSTEMS ANALYSIS -

National University of Singapore Singapore

Bachelor of Electrical & Electronics Engineering -

Coimbatore Institute of Technology
SUBRAMANIAN SWAMINATHAN