Balaji Sigamani

Bachelor of Technology

Information Technology

2017 - 2021

Sri Krishna College of Engineering and Technology, Coimbatore, TN, India

CGPA : 9.5 / 10

HSC

2017

S.M.B. Matriculation Higher Secondary School

Percentage : 93.5 %

AWS Certified Sysops Administrator Associate

Issued by Amazon Web Servicese

2021 - 2024

Link to Certificate

Gremlin Certified Chaos Engineering Professional

Issued by Gremlin

2021

Link to Certificate

Site Reliability Engineer

July 2023 - Present

Okta (Auth0), Bengaluru

• Building tools for managing incidents
• Troubleshooting production issues in a multi tenant Infrastructure
• Defining SLAs for customer facing services and fine tuning SLO monitors in a multi tenant environment.
• Building incident management tools in Golang to handle incidents in a better and efficient way to reduce MTTR. Built an incident bot to pull and analyze data from multiple sources to reduce MTTD.

Software Development Engineer - Core Infra

Jun 2022 - May 2023

Ola Cabs & Electric, Bengaluru

• Working as an Infrastrucuture Engineer in a team that builds and operates Infra for Ola Cabs, Ola Money and Ola Electric.
• Developing an internal developer portal in Golang that takes care of onboarding, scaling, monitoring, logging microservices in kubernetes.
• Implemented installation of CNI plugin for network security within the kubernetes cluster and performance tested it by generating 2 million rpm for PCI DSS audit by RBI.
• Designed and executed a migration plan for the Aerospike database cluster in production from Azure to AWS, leveraging XDR replication. Infrastructure backup, restore, and node configuration were automated through Terraform scripts and Ansible playbooks, resulting in minimal downtime.
• Instrumented applications for enhancing monitoring and observability by writing prometheus exporters.
• Being on-call for troubleshooting production issues.

Associate Site Reliability Engineer

Jul 2021 - May 2022

Trimble Inc, Chennai

• Worked as an associate SRE with the Development team
• Developed a state machine with aws lambda functions to automate software patches for more than 100 nodes in AWS that takes backup of machines as AMIs, delete old AMIs, initiate OS patches and notify stakeholders via email using SES service, incase of issues. This project reduced the manual hours and cost drastically.
• Proposed and Implemented security testing via ui automation using zed attack proxy tool to report application vulnerabilities and educated developers about OWASP top 10 vulnerabilities, to handle cyberattack incidents.
• Acted as a security representative for major applications
• Incident management for business critical systems. Written blameless post-mortem reports on incidents

Graduate Technical intern

Jan 2021 - Jun 2021

Trimble Inc, Chennai

• Wrote a single E2E test framework for web,Android and IOS Applications
• Facilitated reduction in infrastructure cost by eliminating and optimizing workloads in AWS