Chockalingam Subramanian
Dublin,CA
Summary
A software engineering leader with 12+ years’ experience in DevOps building high-performance teams, elevating standards for technical excellence, and driving continuous innovation.
Cultivate cultures of engineering excellence by promoting adoption of best practices, growing employee engagement, and enabling product and deployment improvements.
Solve intricate problems utilizing creative problem solving skills and deliver complex solutions with deep expertise in AWS.
Overview
24
24
years of professional experience
1
1
Certification
Work History
Director of Infrastructure and Site Reliability Engineering
VOYAGER
07.2021 - 07.2023
- Deliver strategic leadership to define and drive roadmap, modernize tools to increase developer productivity, and evolve infrastructure technology with engineering team of 12 for firm delivering crypto asset trading platform with $65M annual revenue
- Enhance developer experience by implementing fully self-serve microservice bootstrapping process
- Built infrastructure and SRE team from 0 to 12 members
- Reduced deployment from 2 weeks to 1.5 hours by building and implementing full automation of cloud infrastructure (IaC) deployment using Terraform
- Increased production uptime from 99.5 to 99.9 in 7 months with new SRE team-scaled production system from 1.2M to 3.6M users in 1 year
- Upgraded CI/CD pipeline to modern and simplified toolset-reduced build time and increased code quality
- Decreased microservice bootstrapping time from 2 days to minutes by implementing open source tool backstage.
Sr. Manager, SRE & DevOps
ALTAIS
01.2021 - 06.2021
- Led infrastructure management, site reliability engineering, and CI/CD pipeline with team supporting globally dispersed engineering team of 50+ for Blue Shield of California subsidiary
- Improved infrastructure reliability proactively by executing monthly chaos testing and enabled continuous deployment for applications and infrastructure
- Architected entire infrastructure supporting Altais platform in multiple environments running in AWS Cloud
- Delivered version 1.0 of product from concept to market on time in collaboration with product and engineering teams
- Built robust CI/CD infrastructure-supported build and deployment using codefresh
- Reduced cost by 50% by optimizing AWS EKS infrastructure using spot.io.
Sr. Manager, DevOps Engineering
TRINET
12.2014 - 01.2021
- Created and oversaw development operations, implemented DevOps best practices, and converted legacy applications to Kubernetes platform with team of 20 for professional employer organization specializing in full-service HR solutions
- Designed and standardized build and release process across multiple projects
- Automated backend code quality gates and developed release dashboard for DevOps insights reporting
- Improved production uptime through more frequent releases and automation
- Improved code coverage from 50% to 80% by integrating static code analysis tool and static application security tests
- Migrated monolithic applications running on-premise VMs to microservice architecture to Kubernetes platform in AWS
- Reduced production deployment time from 9 to 2 hours and increased deployment frequency by 4x by automating manual steps and eliminating duplicate processes in release cycle.
Manager, Software Release Services
ORACLE
06.2008 - 11.2014
- Oversaw Oracle Tax product releases with globally dispersed team for technology firm with 122K employees and $40B annual revenue
- Developed fully automated platform and database upgrade packages to enable customer upgrades and execution of new releases
- Built performance environment on Exadata database and fully automated template
- Advised senior leaders on software development and quality assurance initiatives
- Mitigated performance errors by building and maintaining WebLogic clustered environments in Exadata platform
- Improved user accessibility by developing, testing, and deploying multilingual products for international customers
- Improved customer satisfaction by addressing install and upgrade issues on time via on-site visits.
Lead Architect, Enterprise Resource Planning Applications
STATE OF DELAWARE
06.2002 - 04.2008
- Led team of Peoplesoft Administrators and Database Administrators to maintain HR and financial systems serving all statewide agencies for Department of Technology and Information
- Managed HR system processing bi-weekly payroll for 35K state employees
- Rebuilt and migrated statewide payroll and financial applications to modernized hardware
- Earned Best Employee in the State award from governor of Delaware after 1st year of employment
- Built and managed 45+ PeopleSoft ERP systems
- Eliminated need for human intervention and reduced time to delivery by creating automated process to promote application and database changes to higher environments
- Reduced labor costs and improved reliability by automating nightly backups and application server maintenance tasks.
Sr. Database Administrator
DELOITTE
04.1999 - 05.2002
- Managed installations, upgrades, and maintenance of database systems for largest professional services network
- Contributed to database design and implemented changes to aid developers and improve overall architecture
- Built and executed incident management practices
- Reduced legacy system conversion costs with automated Unix Shell scripts and utility loaders for transferring bulk data.
Education
Master of Business Administration - IT Management
University of Delaware
Master of Science - Physics, Chemistry, and Math
Annamalai University
Skills
- Languages: Java, Python, Bash scripting, Go-lang
- Databases: MySQL, SQL Server, Oracle, CockroachDB (multi-region), postgres
- Build and Automation: Maven, Git, Terraform, Ansible, Teleport
- CICD: UrbanCode, Jenkins, GitHub Runner, ArgoCD, SonarQube, Synk, Docker, Spinnaker
- Operating Systems: Windows, MacOS, Linux
- Project management: Atlassian Tools
- Database Replication: Golden Gate, FiveTran, AWS Data Migration Service (DMS)
- Cloud Technologies: AWS (VPC, Subnet, RDS, MSK, AWS Family Transfer, CloudWatch, CloudTrail, EKS, EC2, ASG, S3, EFS, EBS, AWS budget, KMS, Route53, PCA, ACM, ELB, SQS, SES, SNS, AWS Lambda, DMS, SSM)
- Monitoring/alerting: DataDog, Cloud Watch, grafana loki stack, Opsgenie
Certification
Certified Kubernetes Administrator
AWS Solution Associate Solution Architect
Timeline
Director of Infrastructure and Site Reliability Engineering
VOYAGER
07.2021 - 07.2023
Sr. Manager, SRE & DevOps
ALTAIS
01.2021 - 06.2021
Sr. Manager, DevOps Engineering
TRINET
12.2014 - 01.2021
Manager, Software Release Services
ORACLE
06.2008 - 11.2014
Lead Architect, Enterprise Resource Planning Applications
STATE OF DELAWARE
06.2002 - 04.2008
Sr. Database Administrator
DELOITTE
04.1999 - 05.2002
Master of Business Administration - IT Management
University of Delaware
Master of Science - Physics, Chemistry, and Math
Annamalai University