Karthick Nanjukutty
Verified Expert in Engineering
DevOps Engineer and Software Developer
Toronto, ON, Canada
Toptal member since January 28, 2025
Karthick is a skilled engineer with extensive DevOps experience in payment solutions across the banking and technology sectors. A Certified Kubernetes Administrator, Developer, and Security Specialist, he focuses on GCP, AWS, and Nomad. His key accomplishments include migrating from Puppet to Ansible, deploying ephemeral environments, and setting up PCI-compliant infrastructures. Karthick values collaboration, learning, and quality, driving his commitment to innovative and efficient outcomes.
Portfolio
Experience
- Python 3 - 9 years
- Google Cloud - 8 years
- Terraform - 8 years
- Kubernetes - 8 years
- Ubuntu - 8 years
- Kubernetes Operators - 8 years
- NGINX - 8 years
- PostgreSQL 10 - 7 years
Availability
Preferred Environment
MacOS, PyCharm, Visual Studio Code (VS Code)
The most amazing...
...projects I've worked on include migrating from Puppet to Ansible, collaborating with startups, and establishing ephemeral and PCI-compliant infrastructures.
Work Experience
Senior DevOps Engineer
Polymath
- Deployed and optimized CI/CD pipelines using Jenkins, GitHub Actions, and Argo CD for blockchain-based AI microservices, which improved deployment efficiency and reduced time to production.
- Managed the transition from Puppet to Ansible for configuration management, resulting in increased deployment speed and enhanced automation accuracy across project environments.
- Enhanced security protocols by integrating HashiCorp Vault and Open Policy Agent (OPA), significantly reducing security incidents and aiding compliance with financial regulations in blockchain operations.
Senior DevOps Engineer
Buckzy Payments Inc
- Established the initial DevOps infrastructure for Buckzy Payments Inc., building the foundation for scalable and secure cloud environments across GCP, AWS, and OVH, which supported deployment efficiency.
- Pioneered the CI/CD implementation using Jenkins, GitLab, and GitHub, creating automated pipelines that significantly reduced manual deployment efforts and minimized production downtime.
- Developed and enforced robust security and compliance protocols, implementing technologies like HashiCorp Vault, Consul, and Open Policy Agent (OPA), which enhanced system security and aligned with industry standards for financial transactions.
Senior DevOps Engineer
CGI
- Played a key role in a major Azure migration project for an aviation client, facilitating the transition of their legacy systems to the cloud and enhancing scalability and operational efficiency.
- Collaborated in developing and executing automated scripts using PowerShell, streamlining the migration process.
- Helped implement Azure DevOps pipelines for continuous integration and delivery, improving deployment frequency and reliability.
Google Cloud System Administrator
TELUS
- Supported high-level troubleshooting and operational enhancements, which resulted in improved service delivery and customer satisfaction for Google Cloud users.
- Facilitated improvements in Google Cloud infrastructure, contributing expertise that led to optimized deployment times and enhanced scalability of cloud services.
- Resolved tier-3 IaaS issues in collaboration with Google SMEs and experts, enhancing system reliability and performance for critical cloud operations.
Tier 3 System Administrator
Innovatia
- Maintained and optimized critical production servers, ensuring high system reliability and minimizing downtime through effective high-availability solutions.
- Performed performance tuning and capacity planning for Linux and Solaris systems, which improved overall system performance and stability.
- Directed system upgrades and migrations, ensuring minimal downtime and seamless transitions across various Linux distributions and Solaris versions.
Experience
Buckzy Payments Platform
http://buckzy.netEducation
Master's Degree in Computer Engineering
Dalhousie University - Nova Scotia, Canada
Certifications
CKS: Certified Kubernetes Security Specialist
Linux Foundation
HashiCorp Certified: Terraform Associate (003)
Hashicorp
Google Cloud Certified Professional Cloud DevOps Engineer
Google Cloud
Google Cloud Certified Professional Cloud Architect
Google Cloud
CKA: Certified Kubernetes Administrator
Linux Foundation
Skills
Libraries/APIs
Node.js, Apigee, Terragrunt
Tools
Terraform, Vault, Ansible, Kubernetes Operators, HashiCorp Vault, NGINX, RabbitMQ, PyCharm, Superset, Amazon Simple Queue Service (SQS), Amazon EKS
Languages
Python, Python 3, Java
Paradigms
Azure DevOps, DevOps, Object-oriented Programming (OOP)
Platforms
Docker, Google Cloud Platform (GCP), Amazon Web Services (AWS), Linux, MacOS, Visual Studio Code (VS Code), Azure, Kubernetes, Ubuntu, RedH, Solaris, Apache Kafka, Firebase
Storage
Google Cloud, PostgreSQL 10, MongoDB, Redis
Frameworks
Windows PowerShell, Angular
Other
Consul, Kubernetes Security, Cloud Infrastructure, Nomad, Cisco, PBX, Google, Pub/Sub
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