AYON KARMAKAR - Senior DevOps Engineer | Cloud & Platform Architect

Summary

Dynamic Senior DevOps and Cloud Architect with over 10 years of expertise in designing, operating, and scaling high-availability cloud-native platforms across AWS, Azure, GCP, and Kubernetes environments. Proven track record in managing mission-critical Pega and JVM-based platforms, implementing large-scale CI/CD automation, and ensuring robust production incident response and multi-region resiliency. Recognized for an automation-first mindset that drives zero-downtime deployments and fosters strong production ownership. Committed to leveraging innovative solutions to enhance operational efficiency and reliability in complex cloud infrastructures.

Overview

11

years of professional experience

4

Certifications

Work History

Senior DevOps / Cloud & Pega Platform Architect

Accenture

04.2015 - Current

Architect and operate AWS-first, highly available platforms for mission-critical banking workloads, processing millions of transactions per day with 99.9%+ availability.
Design AWS reference architectures using VPC, ALB, Auto Scaling Groups, EKS, RDS Multi-AZ, and S3 to meet strict security, resilience, and compliance requirements.
Lead containerized Pega deployments on EKS, including capacity planning, pod autoscaling, node group optimization, and zero-downtime upgrades.
Own end-to-end CI/CD automation using GitHub, Jenkins, and CloudFormation, reducing deployment time by 60%–70%, and enforcing infrastructure consistency.
Implement AWS security best practices, including IAM least privilege, KMS encryption, private networking, and audit logging.
Act as incident commander for P1/P2 outages, executing rollback, and cross-region failover to restore services within minutes (MTTR < 30 mins).
Drive platform upgrades, patching, vulnerability remediation, and regulatory compliance audits across production environments.
Collaborated with cross-functional teams to deliver high-quality software products on time and within budget.
Conducted thorough assessments of current architecture to identify areas for improvement, leading to increased stability and reliability.
Managed vendor relationships to ensure timely delivery of third-party services while maintaining quality standards.
Implemented disaster recovery plans to ensure business continuity in the event of critical system failures or outages.
Enhanced platform efficiency by optimizing architectural designs and implementing best practices.
Designed and implemented monitoring strategies to proactively identify potential system issues, minimizing downtime.
Bridged communication gaps between technical and non-technical stakeholders by translating complex concepts into easily digestible information for informed decision-making processes.
Established robust security protocols for the protection of sensitive data, maintaining a safe platform environment.
Spearheaded initiatives for the adoption of agile development methodologies, resulting in increased efficiency and adaptability within the team.
Streamlined deployment processes by automating tasks and utilizing continuous integration tools, reducing time-to-market for new features.
Developed scalable solutions for seamless integration with existing systems, improving overall performance.
Promoted a culture of knowledge sharing by organizing regular training sessions, workshops, and documentation updates across teams.
Delivered cost-effective solutions by selecting suitable technology stacks based on project requirements and budget constraints.
Mentored junior team members in best practices for platform design and development, fostering a culture of continuous learning and improvement.
Evaluated emerging technologies to determine their potential impact on the organization''s strategic goals, driving innovation initiatives accordingly.
Improved system performance under heavy loads with capacity planning strategies that accommodated future growth projections.
Created proof-of-concept applications to showcase platform capabilities and attract prospective clients or partners.
Enabled rapid application development through the creation and maintenance of reusable code libraries.
Provided technical expertise during sales engagements, assisting in securing lucrative contracts for the business division.

Education

Bachelor of Engineering - Electronics & Telecommunication

RCC Institute of Information Technology

Kolkata

01.2014

Skills

Primary Cloud: AWS (Architecture, Security, Networking, HA/DR)

Secondary Clouds: Azure, GCP

AWS Services: EC2, EKS, ASG, ALB/NLB, Route 53, RDS, S3, IAM, KMS, CloudWatch, VPC, NAT Gateway

Containers & Orchestration: Kubernetes, OpenShift, Docker, Helm

IaC & Automation: AWS CloudFormation (CFN), Terraform, Ansible, Ansible Tower

CI/CD: Jenkins, GitHub, Bitbucket

Platforms & Middleware: Pega Platform (7x–8x), Oracle WebLogic, Apache Tomcat, IBM WebSphere, JBoss

Observability: CloudWatch, AppDynamics, Dynatrace, Splunk, Grafana, Kibana

Datastores & Messaging: Cassandra, Kafka, PostgreSQL, Hazelcast

Operating Systems: Linux / Unix (RHEL)

ITSM & Agile: Jira, ServiceNow

Cloud architecture design

Identity and Access management

Monitoring and logging

API design and management

Certification

AWS Certified Solutions Architect – Associate

Timeline

Senior DevOps / Cloud & Pega Platform Architect

Accenture

04.2015 - Current

Bachelor of Engineering - Electronics & Telecommunication

RCC Institute of Information Technology