Senior AWS Cloud & DevOps Engineer
PRITAM
ROY
9+ Years IT Experience · 5+ Years AWS Cloud · West Bengal, India
Senior AWS Cloud & DevOps Engineer with proven expertise designing, provisioning, and automating scalable production infrastructure. From networking roots to cloud architecture - managing 500+ EC2 instances, building full CI/CD pipelines, securing fintech platforms, and delivering across global client environments.
9+Years in IT
5+Years Cloud
500+EC2 Managed
20+AWS Services
7+Tech Stacks
HashCashSr. DevOps Eng.
AWSCloud Architect
500+EC2 Instances
CI/CDAutomation
DubaiOnsite Exp.
⚡AWS Cloud Architecture
🔧Jenkins CI/CD
🐳Docker & Kubernetes
📊Prometheus & Grafana
🛡️GuardDuty & WAF
☁️Terraform & CloudFormation
🔁CircleCI Automation
📱iOS & Android Fastlane
🌐Linux & Apache Admin
🔐IAM Security Engineering
🗺️Route 53 & VPC Design
📦EKS & ECS Orchestration
🔥Multi-Stack CI/CD
🧩IaC Terraform
🔒GuardDuty Security
🚀Fastlane Mobile Deploy
⚡AWS Cloud Architecture
🔧Jenkins CI/CD
🐳Docker & Kubernetes
📊Prometheus & Grafana
🛡️GuardDuty & WAF
☁️Terraform & CloudFormation
🔁CircleCI Automation
📱iOS & Android Fastlane
🌐Linux & Apache Admin
🔐IAM Security Engineering
🗺️Route 53 & VPC Design
📦EKS & ECS Orchestration
🔥Multi-Stack CI/CD
🧩IaC Terraform
🔒GuardDuty Security
🚀Fastlane Mobile Deploy
Career Evolution
THE JOURNEY
1992 → NOW
1992
Raiganj, West Bengal, India
Born - The Foundation
Born on 25 October 1992 in Raiganj, West Bengal. From an early age, demonstrated a natural curiosity for how systems function - whether mechanical, electrical, or logical. Family values of discipline, consistency, and responsibility became the foundation of a future engineering mindset.
2000–2008
Raiganj Coronation High School
Secondary Education - Class 5 to 10
Completed secondary schooling at Raiganj Coronation High School. Passed the Secondary Board Examination in 2008 under the West Bengal Board of Secondary Education (WBBSE). Developed strong aptitude for mathematics, science, and analytical subjects - recognized by teachers for structured thinking and problem-solving ability.
2008–2010
Raiganj Sri Sri Ramkrishna Vidya Bhaban
Higher Secondary - Science Stream + Computer Science
Pursued higher secondary education with a science stream: Physics, Chemistry, and Mathematics - plus Computer Science as an additional subject. Passed Higher Secondary Examination in 2010 under the West Bengal Council of Higher Secondary Education (WBCHSE). Formal exposure to computer science during this period ignited the direction toward an IT engineering career.
2011–2015
RCC Institute of Information Technology, Kolkata
B.Tech in Information Technology - MAKAUT (formerly WBUT)
Completed Bachelor of Technology in Information Technology from RCC Institute of Information Technology, Kolkata - affiliated with MAKAUT (formerly WBUT). Relocated from Raiganj to Kolkata, entering a competitive engineering environment. Built strong fundamentals in networking principles, operating systems, database systems, programming fundamentals, and software engineering methodologies.
2016–2019
Tikona Infinet Ltd / Tikona Digital Pvt Ltd - Pune, Maharashtra
Network Engineer - NOC & RF-NOC Operations
Relocated to Pune to begin career at Tikona Infinet Ltd. Started as a 2-month intern, then transitioned to full-time Network Engineer. Worked in NOC and RF-NOC providing round-the-clock enterprise network support for ILL and MPLS customers. Core responsibilities: timely trouble ticket resolution within SLA, 24×7 monitoring, bandwidth provisioning, Level-2 support, and coordination with field engineers and vendors. Built an unshakeable foundation in production system reliability and operational discipline.
2020
West Bengal - Upskilling Phase
COVID Career Transformation - Cloud & DevOps Reskilling
During the pandemic, returned to West Bengal. Used this period intensively to transform from traditional network engineer to cloud infrastructure architect. Completed comprehensive training in AWS cloud architecture, DevOps practices, CI/CD pipeline engineering, Linux system administration, and infrastructure security. Built real-world projects - actual deployment pipelines and cloud-based architectures - not just certification theory.
2020 – PRESENT
HashCash Consultants - Global Fintech & Blockchain
Senior AWS Cloud & DevOps Engineer
Joined HashCash Consultants - a global fintech and blockchain company. Currently managing 500+ AWS EC2 instances across multiple production client environments. Works with Terraform and CloudFormation for full IaC. Builds CI/CD pipelines for Java, Node.js, React, Angular, Next.js, and mobile platforms (iOS + Android via Fastlane). Implements monitoring with Prometheus, Grafana, CloudWatch, and EKS logging. Secures production infrastructure using GuardDuty, WAF, and IAM hardening. Traveled onsite to Dubai for a global client engagement - gaining international delivery experience.
Core Competencies
DEVOPS
COMMAND CENTER
AWS Cloud Architecture
Multi-AZ, highly available AWS environments using 20+ services including EC2, VPC, S3, IAM, CloudFront, RDS (Oracle), Lambda, Route 53, ECS, EKS, SNS, SQS, WorkMail, Rekognition, GuardDuty, WAF. Production scale: 500+ managed instances.
CI/CD Pipeline Engineering
End-to-end automated delivery pipelines with Jenkins and CircleCI for Java WAR/JAR, Node.js, React, Angular, Next.js, and standard JavaScript. Also automates iOS (App Store) and Android (Play Store) releases via Fastlane - from code fetch through build to store deployment.
Docker & Kubernetes
Containerizing and migrating applications to Docker (Dockerfile creation, DockerHub registry), ECS with custom images, EKS managed Kubernetes clusters, Minikube for local testing, Helm charts, autoscaling, and zero-downtime production deployments.
Infrastructure as Code
Terraform and AWS CloudFormation for automated, repeatable, version-controlled infrastructure provisioning. Ensures consistent multi-region environments and eliminates configuration drift across all client projects.
Monitoring & Observability
Full observability stacks: Prometheus metrics collection, Grafana dashboards, CloudWatch metrics and alarms, EKS logging pipelines, CloudTrail audit, and Nexus artifact management. Real-time system health visibility with automated alerting for production environments.
Security Engineering
AWS GuardDuty threat detection, WAF application protection, advanced IAM design (roles, policies, inline policies for high security), SSL certificate generation and management, VPC network segmentation, NACLs, security groups - security integrated into every infrastructure layer.
Networking & Linux Administration
Deep networking expertise from 3+ years of NOC/RF-NOC production operations. Linux Ubuntu server administration (250+ managed), Apache2 and Tomcat configuration, Nginx reverse proxy, server provisioning automation, shell scripting, VPN setup, NAT Gateway design, and firewall management.
Mobile App CI/CD (iOS & Android)
Automated mobile build and release pipelines using Fastlane - covering iOS App Store and Android Play Store deployments. Handles code fetch, build, signing, versioning, and store submission without manual intervention. A unique DevOps capability across mobile platforms.
Full Technology Stack
TECH STACK
& TOOLING
Cloud Platforms
AWSGoogle Cloud (GCP)Multi-Cloud
Infrastructure as Code
TerraformAWS CloudFormationYAMLJSON Templates
CI/CD & Automation
JenkinsCircleCIFastlaneNexusGitOpsGitHub Actions
Containers & Orchestration
DockerKubernetes (K8s)AWS EKSAWS ECSMinikubeDockerHubHelm
Monitoring & Observability
PrometheusGrafanaCloudWatchCloudTrailELK StackEKS Logging
Security
AWS GuardDutyAWS WAFIAMVPC SecuritySSL/TLSNACLsSecurity Groups
OS & Servers
Linux (Ubuntu)Windows ServerApache2TomcatNginxReverse Proxy
Scripting & Languages
Shell Scripting (Bash)Python (scripting)YAMLJSONHCL (Terraform)
Application Platforms Deployed
Java (WAR/JAR)Node.jsReact.jsAngular.jsNext.jsAndroid AppsiOS Apps
Networking
VPC DesignSite-to-Site VPNNAT GatewayRoute 53MPLSILLNOC OperationsCCNA
Databases & Storage
AWS RDS (Oracle)DynamoDBS3S3 GlacierSnowballS3 Versioning
Version Control & Collaboration
GitGitHubGitLabBitbucketNexus Repository
AWS Ecosystem
AWS SERVICE
EXPERTISE
💻
EC2
500+ instances managed
🗄️
S3
Storage, backup, versioning, hosting
🔐
IAM
Roles, policies, inline, users
🌐
VPC
Network design, VPN, subnets
⚡
Lambda
Serverless, S3 triggers, DynamoDB
🗺️
Route 53
DNS, traffic routing, site hosting
📦
ECS
Container orchestration, custom AMI
☸️
EKS
Managed Kubernetes, logging
🗃️
RDS
Oracle DB, managed relational
📨
SNS
Notifications & pub/sub alerts
📬
SQS
Message queuing & decoupling
👁️
CloudWatch
Metrics, logs, alarms, dashboards
🔍
CloudTrail
Audit, compliance, event history
🛡️
GuardDuty
Threat detection, ML-based
🔒
WAF
Web application firewall
📧
WorkMail
Enterprise email service
🤖
Rekognition
AI image & video analysis
🌊
CloudFront
CDN, edge delivery, SSL
📈
Auto Scaling
Dynamic capacity, health checks
❄️
Glacier
Archive & cold storage
⚖️
ELB
Load balancing, traffic distribution
🔗
VPN
Site-to-site, cross-region
🖥️
AMI
Custom images, cross-region deploy
🗂️
DynamoDB
NoSQL, Lambda-triggered
📡
NAT Gateway
Private subnet internet access
❄️
Snowball
Physical data migration
Platform Engineering
PRODUCTION
WORK
MULTI-STACK CI/CD AUTOMATION
Designed and implemented automated deployment pipelines spanning the full technology spectrum: Java WAR/JAR via Jenkins, Node.js/React/Angular/Next.js through CircleCI, and complete mobile automation for iOS App Store and Android Play Store releases via Fastlane. Artifact management handled via Nexus repository. Each pipeline covers code checkout, build, environment configuration, packaging, deployment, and post-deploy health verification. Reduced manual deployment cycles from hours to minutes across all stacks - a unique capability combining web and mobile CI/CD in one unified automation framework.
7+Tech Stacks
iOS+AndroidMobile CI/CD
ZeroManual Deploy
AWS INFRASTRUCTURE AT SCALE
Managing and maintaining 500+ AWS EC2 instances across multiple fintech and enterprise client environments. Infrastructure provisioned using Terraform and CloudFormation for consistency and repeatability. Designed multi-AZ VPC architectures, Site-to-Site VPN connections across AWS regions, AMI creation and cross-region replication, NAT Gateway and NAT Instance configurations, three-tier architecture designs, Microsoft AD server integration, and full network segmentation using security groups, NACLs, Internet Gateways, and Elastic IPs.
500+EC2 Managed
Multi-AZArchitecture
IaC100% Automated
OBSERVABILITY & SECURITY STACK
Built comprehensive monitoring and security infrastructure for production fintech platforms where uptime and compliance are critical. Prometheus metrics collection with custom Grafana dashboards for real-time health visualization. EKS-integrated logging pipelines for container observability. CloudWatch alarm architectures for automated incident alerting. AWS GuardDuty for ML-based threat detection, WAF for application-layer protection, IAM role and inline policy design for least-privilege access, SSL certificate lifecycle management, and CloudTrail for complete audit trails.
99.97%Uptime SLA
Real-timeThreat Detection
FullAudit Trail
CONTAINERIZATION & MIGRATION
Led container migration initiatives transforming legacy application deployments into modern containerized environments. Docker image creation from Dockerfiles, registry management via DockerHub, ECS deployments with custom container images, and Kubernetes orchestration via EKS for production workloads. Minikube used for local cluster testing and development. Migrations covered HRMS systems, CRM platforms, financial applications, and website builder tools.
Docker+K8sOrchestrated
EKSProduction Grade
0 DowntimeMigration
Self-Assessment
STRATEGIC
SWOT ANALYSIS
S
Strengths
Core Power
Deep hands-on AWS expertise across 20+ services in live production environments managing 500+ instances daily.
Strong networking foundation (3+ years NOC/RF-NOC) combined with modern cloud and DevOps architecture depth.
Full-spectrum CI/CD - from web application pipelines to mobile app store releases (iOS & Android) via Fastlane.
Reliability-first mindset: infrastructure designed to be observable, recoverable, and secure by default.
International delivery experience through Dubai onsite client engagement - cross-cultural project execution.
W
Growth Areas
Honest Assessment
Tendency to invest deeply in optimization for long-term stability - sometimes beyond immediate scope requirements.
High engineering standards can occasionally create friction when stakeholders prioritize delivery speed over robustness.
Expanding GCP and Azure exposure to strengthen multi-cloud versatility beyond primary AWS expertise.
Continuously developing cross-team communication to bridge technical depth with business-level context effectively.
O
Opportunities
Future Horizon
Platform Engineering leadership - building internal developer platforms (IDPs) at enterprise scale globally.
AIOps and AI-assisted cloud operations: intelligent monitoring, anomaly detection, and automated remediation.
FinOps and cloud cost engineering - a growing strategic priority for cost-conscious enterprise clients.
Advanced service mesh and microservices orchestration patterns (Istio, Linkerd) for next-generation deployments.
Global remote roles - experience and timezone flexibility support international client and team engagement.
T
Industry Challenges
Navigating Risks
Rapid tooling evolution requires continuous learning investment to stay current with emerging DevOps patterns.
Cloud-native ecosystem fragmentation increasing complexity across multi-cloud and hybrid deployment environments.
Security threat landscape expanding - especially in fintech and blockchain, which are high-value attack targets.
AI-driven automation shifting traditional DevOps role definitions - strategic adaptation and upskilling essential.
Professional Character
THE ENGINEER
BEHIND THE CODE
Precision
Every IAM policy, every pipeline stage, every config - intentional, documented, and designed with purpose. Meticulous in production decisions.
Accountability
Owns outcomes end-to-end. Production incidents are owned, not delegated. Reliability is a personal commitment, not just a job requirement.
Adaptability
Moved from NOC networking to cloud architecture to mobile CI/CD. Learns new stacks rapidly and applies knowledge to real production environments.
Systems Thinking
Sees infrastructure as interconnected living systems. Designs holistically for performance, security, cost, and long-term operational stability.
Long-term Focus
Prefers solutions that remain stable over time. Quick fixes that introduce future technical debt are avoided by design principle.
Collaboration
Bridges development and operations. Has worked with international teams and onsite clients. Open to meaningful professional and personal connections.
Personal
BEYOND THE
TERMINAL
Academic Background
EDUCATION &
CERTIFICATIONS
2015
RCC Institute of Information Technology, Kolkata
B.Tech - Information Technology · MAKAUT (formerly WBUT)
Four-year engineering program covering networking, operating systems, databases, programming, and software engineering. Relocated from Raiganj to Kolkata - the defining step into a competitive professional IT environment.
2010
Raiganj Sri Sri Ramkrishna Vidya Bhaban
Higher Secondary · Science Stream + Computer Science · WBCHSE
Science stream with Physics, Chemistry, Mathematics, and Computer Science. Formal introduction to computing concepts sparked the direction toward an IT engineering career path.
2008
Raiganj Coronation High School
Secondary Board Examination · West Bengal Board of Secondary Education (WBBSE)
Completed Class 5 through 10. Strong academic foundation in mathematics and sciences. Analytical problem-solving instincts developed during these formative years continued through the career.
AWS Solution Architect Associate Training
Simplilearn Solutions Pvt Ltd · Online Classroom Flexi Pass
Comprehensive training in AWS architectural best practices - designing scalable, highly available, and cost-efficient cloud solutions across the full AWS ecosystem.
CCNA 200-125 Video Boot Camp
Udemy · Chris Bryant · 2019
In-depth Cisco networking certification training covering routing, switching, and network fundamentals - directly complementing hands-on enterprise NOC and RF-NOC operations experience.
Work Philosophy
ENGINEERING
APPROACH
🏗️
Infrastructure as a Long-Term Asset
Infrastructure is not a temporary setup - it's an engineering asset. Every architecture decision carries weight beyond the current sprint. Systems designed today should scale, recover, and serve teams years from now without requiring a rebuild.
👁️
Visibility-First Operations
Infrastructure should be invisible when functioning correctly, measurable when it fails, and recoverable by design. Monitoring, logging, and alerting are core architectural requirements built in from day one - not optional add-ons.
🔐
Security as Architecture
Security is not applied after deployment. IAM design, network segmentation, WAF rules, GuardDuty, and least-privilege access are integrated into every infrastructure layer - especially critical in fintech and blockchain environments.
⚡
Automation Over Manual Operation
If a task is performed more than twice, it should be automated. CI/CD pipelines, server provisioning, SSL automation, and deployment workflows eliminate human error and create consistent, repeatable outcomes at any scale.
📐
Structured Decision Making
Good infrastructure requires clarity on trade-offs: cost vs. resilience, speed vs. stability. Decisions are documented so teams understand context long after implementation - reducing knowledge silos and easing future changes.
🔄
Continuous Adaptation
The cloud landscape shifts constantly. Staying effective means actively learning principles behind architectural shifts - not just tracking new tools. From NOC operations to cloud architecture: adaptation is a career constant.
Communication
LANGUAGES
🇮🇳
Bengali
Native Language
ReadWriteSpeak
🇬🇧
English
Professional Proficiency
ReadWriteSpeak
🇮🇳
Hindi
Spoken Proficiency
Speak
Astrological Identity
♍
VIRGO
Earth Sign · Born 25 October 1992 · Mercury Ruled · Mutable
Virgo traits - analytical precision, methodical problem-solving, and an exceptional eye for detail - translate directly into engineering excellence. The natural inclination to investigate systems thoroughly, design with care, and pursue root-cause understanding over surface-level fixes is both a zodiac characteristic and a professional principle.
🔍 Analytical Mind📐 Precision-Driven🧩 Problem Solver📋 Detail Oriented🎯 Goal Focused🔄 Continuous Improvement🤝 Service Oriented
Get In Touch
LET'S BUILD
SOMETHING
Available for senior cloud roles, DevOps consulting, freelance infrastructure work, technical challenges, and open to building meaningful professional and personal connections. Reach out through any channel below.
✅ Open to Work🚀 Freelancing💡 New Challenges🤝 Professional Networking👥 Personal Connect🌍 Remote / Global Roles
Send a Direct Message
Hiring? Freelance? Just want to connect? Fill in below - I respond within 24 hours.
Actively Available - Jobs · Freelance · Networking