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Nidhin Chandran - Devops/Linux/SRE/CloudDevops

[email protected]

Location: Bentonville, Arkansas, USA

Relocation: yes

Visa: H1B

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PROFESSIONAL SUMMARY Senior DevOps Engineer with 10+ years of expertise in automating CI/CD pipelines, managing hybrid cloud/Kubernetesinfrastructures, strengthening Linux operations, and implementing observability, security, and HA/DR solutions consistentlydriving cost savings, high availability, and operational efficiency Cloud & Infrastructure Expertise: Designed scalable, secure, and high-availability solutions across AWS (EC2, S3, RDS, Route53, IAM, Lambda, ECS, EKS, CloudWatch) and GCP; engineered AWS Virtual Data Centers with VPC, subnets, ELBs, and securitygroups to support enterprise-level workloads. Containerization & Orchestration: Automated deployments with Docker and Kubernetes, including Rancher and Helm onEKS clusters, ensuring fault tolerance, high availability, and seamless workload management across development and production. Automation & CI/CD: Built fully automated CI/CD pipelines with Jenkins integrating Docker, SonarQube, Nexus, andKubernetes, while leveraging Bash scripting and Ansible Playbooks for configuration management, patching, and serverautomation. System Administration & Security: Optimized Linux server performance with kernel tuning, implemented advancedmonitoring (Nagios, Prometheus, Grafana), and secured client-server communication using OpenSSL, Certbot, and WinAcmefor certificate lifecycle management. Application & Team Enablement: Deployed and optimized Java, PHP, and Node.js applications on Apache, Tomcat, HTTPD,and Nginx with performance and security tuning; trained L1 L3 teams, improving advanced troubleshooting and operationalefficiency. CERTIFICATIONS RHCE : RedHat Certified Engineer MCSA : Microsoft Certified Solution Associate MS-700 : Microsoft Certified Teams Administrator Associate Ribbon SBC Edge Technical : SBCE11 AWS Certified Solution Architect AWS Certified Machine Learning Engineer-Associate TECHNICAL SKILLS Cloud Platforms AWS (EC2,VPC,RDS,IAM, Terraform, S3, ELB, Auto Scaling, CloudFront, Route 53, CloudWatch, , EBS),Azure, OVH (Dedicated Cloud Hosting),VMware DevOps Tools | CI/CD Jenkins, Ansible, Terraform, GitHub, Azure Pipelines, AWS Code Pipeline, Docker, Kubernetes, SonarQube, Nexus, Python, Bash Shell Scripting, Git, GitHub, GitLab, Bitbucket, Azure Repos, Helm, Groovy, kops, Spring Boot, Django, Angular, ReactJS, NPM, nodeJS Monitoring and Security Nagios,Prometheus,Grafana,Splunk,OSSEC,Lynis,Wireshark,Solar-Winds,Rancher Databases MySQL, PostgreSQL, RDS, Cassandra, DynamoDB, Redis, Redshift Operating Systems Linux (RHEL, Ubuntu, Sus, Debian, CentOS), Windows Server 2008R2,2012,2016 Network Protocols SSH, DNS, DHCP, HTTP/HTTPS, FTP, LDAP, Samba, NFS PROFESSIONAL EXPEREINCE Walmart, USA May 2025 Present Role: DevOps Engineer Spearheading containerized deployments with Docker and Kubernetes, optimizing scaling, rolling updates, and self-healingcapabilities resulting in improved reliability and 30% faster issue resolution for production workloads. Designed and maintained CI/CD pipelines integrating Jenkins, GitHub Actions, and Artifactory, streamlining build, test, andrelease workflows while cutting deployment times by 40%. Implemented OPA Gatekeeper policies to enforce security and compliance standards across Kubernetes clusters, reducing misconfigurations and audit findings by 25%. Collaborated with developers, QA, and cloud engineers to automate infrastructure provisioning on Linux-based systems, improving environment consistency and eliminating 20+ hours of manual configuration per month. Championed proactive monitoring and logging strategies with Prometheus, Grafana, and ELK Stack, ensuring high availability and reducing mean-time-to-detect (MTTD) by 35%. Partnered with cross-functional teams to enhance release governance and delivery practices, improving stakeholder confidence and accelerating feature rollout cycles for customer-facing applications. WPP, San Francisco, CA August 2024 March 2025 Role: Sr. DevOps Engineer Description: My role was pivotal in automating CI/CD pipelines, managing hybrid cloud infrastructures, optimizing containerized microservices, and implementing advanced monitoring and security solutions. By driving infrastructure automation and enabling seamless deployments, I have reduced deployment times by 40%, minimized downtime to 99.99% availability, and improved operational efficiency delivering measurable cost savings of $3 million annually. Responsibilities Architected and managed scalable, secure, and highly available cloud infrastructures on AWS and Azure (EC2, VPC, RDS, IAM, S3, Route53, CloudFront, AKS, EKS), automating deployments with Terraform and Helm for consistency across environments. Deployed and orchestrated enterprise-grade Kubernetes clusters (EKS, AKS) and Dockerized applications with dynamic scaling, rolling updates, and self-healing, ensuring high availability and resiliency of microservices. Engineered CI/CD pipelines with Jenkins, GitLab, SonarQube, Nexus, and automated testing workflows, cutting deployment time by 40% while improving release quality and governance. Implemented observability solutions using ELK Stack, AWS CloudWatch, and Prometheus/Grafana, establishing real-time alerting, system health monitoring, and performance tuning across cloud workloads. Developed and modernized applications with Java, Spring Boot, and Kubernetes, boosting deployment efficiency by 40%, while integrating Keycloak for secure authentication and access management. Designed disaster recovery and HA strategies with Pacemaker, Corosync, Rsync, and multi-region cloud setups, achieving near-zero downtime for mission-critical services. Automated infrastructure provisioning and configuration via Ansible, Terraform, and Proxmox, integrating version-controlled workflows in Git repositories to enable peer reviews and infrastructure-as-code practices. Strengthened DevOps & Linux operations by managing artifacts (Artifactory, Maven, S3), securing SSH access, analyzing network traffic with tcpdump, and optimizing VMware/Proxmox/KVM environments for cost-effective scaling. Environment/Tools: Git, GitHub, Jenkins, Maven, SonarQube, Nexus, Kubernetes, EKS, AWS Fargate, AWS ECS, Prometheus, Grafana, ELK Stack, Terraform, AWS SageMaker, PyTorch COMCAST (Remote) August 2022 June 2024 Role: Sr DevOps Engineer Responsibilities Deployed and managed LXC containers on Proxmox and Kubernetes clusters in production, ensuring lightweight virtualization, high availability, and efficient resource utilization across DevOps workflows. Orchestrated EKS upgrades and disaster recovery strategies with blue-green/canary deployments, enabling seamless application updates, fault tolerance, and zero-downtime resilience. Configured AWS IAM roles, accounts, and policies to enforce least-privilege access, while leveraging EC2, S3, RDS, Route 53, ELB, and Auto Scaling Groups to build secure, scalable, and highly available infrastructures. Developed and maintained end-to-end CI/CD pipelines using Jenkins, Terraform, and JUnit testing, reducing manual intervention, accelerating release cycles, and improving code reliability. Managed Docker and container images in Nexus Artifactory, hosted Maven repositories, and automated dependency management to streamline builds and deployment lifecycles. Implemented infrastructure monitoring and logging with AWS CloudWatch, Nagios, and the ELK Stack, including long-term log storage in S3, enabling proactive alerts and compliance tracking. Deployed and optimized databases including MySQL, PostgreSQL, and MongoDB clusters in containerized and virtualized environments, improving scalability and performance. Centralized Terraform state management in S3 and Terraform Cloud for collaborative infrastructure-as-code practices, ensuring consistency and auditability across teams. Environment/Tools: Linux, AWS,Docker, Kubernetes, Jenkins, Nexus Artifactory, Nagios, ELK stack, Ansible, GitLab, Route53, IAM, CloudWatch, S3, EC2, Security Groups, TCP/IP, DNS, Shell/Bash Scripting GBS PLUS PVT LTD, India April 2018 July 2022 Role: Sr Linux Engineer | SRE Responsibilities Administered Linux systems (Red Hat, Debian, Ubuntu) by installing, upgrading, and managing packages using YUM, RPM, and APT; performed advanced kernel tuning, resource allocation, and automated backups with Crontab to optimize performance and reliability. Implemented Linux server hardening with SELinux, AppArmor, Fail2ban, Firewalld, and iptables; enforced PCI DSS/GDPR compliance through secure access controls, password-less SSH authentication, and regular vulnerability scans with Nessus, Qualys, and Lynis. Installed and managed application and web servers including WebSphere, WebLogic, Apache, HTTPD, and Tomcat; handled SSL certificate integrations (Certbot, GoDaddy) and domain management via cPanel for secure and scalable deployments. Built and maintained CI/CD pipelines with Jenkins, automating build, test, and deployment workflows; engineered VM images for VMware vSphere, OpenShift, and Workstation, streamlining infrastructure provisioning and reducing manual intervention. Deployed monitoring and observability stacks using Prometheus, Grafana, Datadog, CloudWatch, and Kafka Manager; established real-time dashboards, alerts, and pod-level analysis that improved system reliability by 25% and cut response times by 40%. Integrated monitoring with incident management systems like PagerDuty, automated response playbooks, and ticket resolution scripts; reduced MTTR significantly and standardized RCA processes through detailed post-incident reviews. Orchestrated end-to-end streaming pipelines by integrating Kafka with Splunk, enabling seamless data ingestion and real-time analytics; monitored throughput, latency, and stream health with Grafana and Kafka Manager for continuous optimization. Designed scalable storage and data management solutions leveraging LVM, HDFS, Ceph, and GlusterFS, ensuring efficient resource utilization and reliable distributed storage for large-scale enterprise workloads. Techvantage Systems, India November 2014 March 2018 Role: Sr. System Administrator Responsibilities Installed, configured, and maintained Windows Server environments, ensuring stable and secure operations. Performed server patching and updates using Windows Server Update Services (WSUS) and automated tools to maintain compliance and reduce vulnerabilities. Managed Active Directory (AD), including creating and managing users, groups, and organizational units (OUs) to maintain efficient directory structures Configured role-based access control (RBAC) to enforce least privilege access policies across user accounts, enhancing security. Implemented and maintained Group Policy Objects (GPOs) to enforce organizational security and compliance requirements, such as password policies and application restrictions Deployed and maintained System Center Configuration Manager (SCCM) for operating system imaging, application deployment, and patch management, streamlining endpoint management. Designed and managed Active Directory (AD) infrastructure, including domains, forests, and trust relationships, ensuring seamless authentication and resource access across the organization. Created and maintained standardized system images using Sysprep for consistent deployment across diverse hardware and virtual environments. Environment/Tools: Windows Server 2008 R2, Windows Server 2012, CentOS, Ubuntu Server, VMware ESXi, Task Manager, Resource Monitor, Performance Monitor, YUM, Hyper-V. EDUCATION Bachelor of Science in Computer Science |University of Kerala, Kerala, India April 2006 April 2009 Master of Science in Computer Applications | University of Kerala, Kerala, India July 2009 July 2012 Keywords: continuous integration continuous deployment quality analyst javascript sthree active directory microsoft mississippi bay area California