Penta Rajasekhar
kuala lumpur
Summary
Senior cloud architect with over 6+ years of experience in designing and managing secure, scalable cloud infrastructures on AWS and Microsoft Azure. Expertise includes cloud architecture, security compliance, DevSecOps practices, and infrastructure automation. Successfully implemented multi-account governance using AWS Landing Zone and AWS Organizations, enhancing security and compliance. Proficient in cloud networking, incident response, technical documentation, cost optimization, and root cause analysis.
Overview
1
1
Certification
6
6
years of professional experience
Work History
Senior Cloud Architect | SRE | SecOps
Primitive Technologies SDN BHD
Kuala Lumpur, Malaysia
10.2024 - Current
- Designed, implemented, and managed secure, scalable, and highly available cloud infrastructure across AWS and Microsoft Azure environments.
- Architected cloud solutions based on business, security, performance, and cost optimization requirements.
- Implemented AWS Landing Zone and AWS Organizations to establish multi-account governance, security, and compliance.
- Designed and managed cloud networking, including VPCs, subnets, route tables, security groups, load balancers, DNS, CDN, and secure connectivity.
- Managed cloud identity and access management using AWS IAM, Microsoft Entra ID, RBAC, and Conditional Access policies following Zero Trust principles.
- Implemented cloud security controls using AWS WAF, AWS Shield, GuardDuty, Azure WAF, Microsoft Defender for Cloud, and Microsoft Sentinel to protect enterprise workloads.
- Designed and managed encryption strategies using AWS KMS, Azure Key Vault, Secrets Manager, and SSL/TLS certificates to secure applications and sensitive data.
- Built and managed containerized platforms using Docker, Kubernetes, Amazon EKS, Azure AKS, and Amazon ECS for microservices-based applications.
- Designed secure application delivery architectures using Amazon CloudFront, Azure Front Door, Application Load Balancers, CloudFront Functions, and AWS Lambda.
- Managed cloud compute, storage, and database services, including EC2, Azure Virtual Machines, S3, Azure Storage Accounts, Amazon RDS, and Amazon Redshift.
- Deployed and administered Amazon OpenSearch clusters, centralized logging platforms (ELK/EFK), APM, and Heartbeat for application monitoring and observability.
- Built and maintained CI/CD pipelines using Jenkins, integrating security and deployment automation as part of DevSecOps practices.
- Administered Linux servers (RHEL and Ubuntu), including system hardening, patch management, performance tuning, troubleshooting, and operational support.
- Configured and deployed Databricks and ClickHouse ETL infrastructure, enabling secure and scalable analytics platforms for data science teams.
- Implemented cloud event-driven architectures using Amazon SNS and EventBridge to automate infrastructure and application workflows.
- Managed SSL certificate lifecycle using AWS Certificate Manager and implemented secure HTTPS communication for enterprise applications.
- Performed cloud infrastructure monitoring, incident response, root cause analysis, troubleshooting, and performance optimization across production environments.
- Conducted cloud cost optimisation initiatives through resource rightsizing and architecture reviews, ensuring alignment with AWS Cost Management best practices to support budgetary goals.
- Collaborated with application, DevOps, security, networking, and data engineering teams to deliver secure, reliable, and highly available cloud platforms.
- Prepared architecture diagrams, technical documentation, SOPs, and implementation guides to standardise processes and facilitate knowledge sharing across enterprise cloud environments.
- Ensured cloud infrastructure compliance with organizational security policies, governance standards, and industry best practices.
- Provided Level 3 technical support, mentored junior engineers, and participated in architecture discussions, technology evaluations, and cloud modernization initiatives.
Cloud Security Engineer | Cloud DevOps
WalkingTree Technologies Pvt Ltd
Hyderabad , India
10.2021 - 07.2024
- Designed, implemented, and maintained secure cloud infrastructure on AWS for enterprise production workloads.
- Applied cloud security best practices through IAM, AWS WAF, AWS Shield, and Azure Firewall to enhance security posture.
- Performed infrastructure hardening for Linux servers, cloud workloads, containers, and Kubernetes clusters following CIS and cloud security best practices.
- Conducted vulnerability assessments and security remediation for Linux servers, Docker containers, Kubernetes clusters, cloud infrastructure, and web applications.
- Identified and remediated security misconfigurations across IAM policies, Security Groups, CloudFront, Load Balancers, Kubernetes, storage services, and networking components.
- Integrated automated security scanning, vulnerability assessments, code quality checks, and container image validation into CI/CD pipelines.
- Designed and implemented DevSecOps pipelines using Jenkins, Azure DevOps, GitHub Actions, Docker, Kubernetes, Helm, Terraform, SonarQube, Trivy, and OWASP ZAP.
- Implemented Infrastructure as Code (IaC) using Terraform to provision and manage cloud infrastructure consistently across multiple environments.
- Managed highly available AWS production infrastructure, ensuring reliability for 50+ microservices across Amazon ECS, Amazon EKS, and EC2 environments.
- Managed Kubernetes workloads on Amazon EKS including deployments, scaling, ingress, networking, RBAC, and security policies.
- Architected and managed cloud networking components including VPC, Subnets, NAT Gateway, Internet Gateway, Route 53, Application Load Balancer (ALB), Network Load Balancer (NLB), CloudFront, WAF, Security Groups, and Network ACLs.
- Managed enterprise cloud monitoring and observability using Amazon CloudWatch, Azure Monitor, OpenSearch, and centralized logging solutions.
- Administered OpenSearch clusters, including Index Lifecycle Management (ILM), snapshot policies, index optimisation, log retention, and secure log ingestion using Fluent Bit/Filebeat.
- Coordinated with development, DevOps, infrastructure, and security teams to remediate vulnerabilities and maintain compliance with security standards.
- Worked closely with enterprise customers during production deployments, cloud migrations, security assessments, and incident response activities.
- Led production incident troubleshooting, performed Root Cause Analysis (RCA), and implemented preventive measures to improve system reliability and security.
AWS DevOps Engineer
Esmob Technologies PVT LTD
Hyderabad , India
04.2020 - 09.2021
- Provisioned and managed scalable AWS cloud infrastructure, leveraging EC2, VPC, S3, EBS, ELB, Auto Scaling Groups, IAM, and CloudWatch.
- Architected high-availability environments by configuring EC2 instances, Security Groups, custom AMIs, EBS volumes, and automated snapshot policies for disaster recovery.
- Improved application performance and fault tolerance by implementing Elastic Load Balancers (ALBs) and Auto Scaling Groups (ASGs).
- Configured and maintained CI/CD pipelines using Jenkins and Maven to automate build, packaging, and deployment processes for core Java applications, enabling faster release cycles.
- Managed build and release operations across Development, QA, UAT, and Production environments to ensure smooth, reliable, and zero-downtime software delivery.
- Automated operational workflows and infrastructure tasks using Python scripts, streamlining S3 object management and automated Docker image uploads.
- Containerized application components by creating Dockerfiles, building and optimizing container images, and managing repositories on Docker Hub.
- Integrated SonarQube into CI/CD pipelines to enforce continuous code quality inspections and automated static code analysis.
- Established proactive infrastructure monitoring using AWS CloudWatch alarms and metrics to ensure early incident detection and quick resolution.
- Administered Linux servers, managing application deployments, system configurations, log analysis, and operational maintenance to ensure system reliability and performance.
- Collaborated with cross-functional development teams to troubleshoot deployment failures and resolve production incidents, facilitating timely Agile release management using Jira.
- Authored comprehensive technical documentation, including deployment SOPs, operational runbooks, and release logs to streamline team operations.
Education
Bachelor of Technology - Computer Science and Engineering
JNTUK
India01-2018
Skills
AWS and Azure cloud services
DevOps tools and technologies
Docker and Kubernetes orchestration
Jenkins and GitHub integration
Bitbucket version control
Debezium and Kafka streaming
Zookeeper and ELK stack management
ElasticSearch and APM monitoring
Terraform infrastructure as code
Shell scripting
Python programming language
Certification
AWS Solutions Architect Associate
- Issued Oct 2025 · Expires Oct 2028
- Credential ID :- 2f13d63c56a44503bee1fb83adda383a
Awards
Significant contributor of the year Issued by WalkingTree Technologies · Dec 2023
- Led 8 complex projects over a 2-year span with zero escalations, demonstrating strong problem-solving, dedication, and consistent delivery of high-quality results.
Timeline
Senior Cloud Architect | SRE | SecOps
Primitive Technologies SDN BHD
10.2024 - Current
Cloud Security Engineer | Cloud DevOps
WalkingTree Technologies Pvt Ltd
10.2021 - 07.2024
AWS DevOps Engineer
Esmob Technologies PVT LTD
04.2020 - 09.2021
Bachelor of Technology - Computer Science and Engineering
JNTUK