Senior Cloud & Systems Engineer (Linux/Windows)

SANJANA PAMULAPATI

*******.**********@*****.*** +1-972-***-**** linkedin.com/in/sanjanapamulapati/ PROFESSIONAL SUMMARY:

• 9 years of experience as a Systems Engineer, specializing in Linux and Windows administration, along with managing cloud infrastructures in both private and public environments.

• Worked with project development teams following Agile and Scrum methodologies in building complex systems engineering platforms with adaptable high energy in a fast-moving and challenging environment.

• Expertise in Hypervisor technologies- VMware, Hyper-V, Citrix, KVM, Virtual Switch configuration.

• Worked on production-grade infrastructure in Microsoft Azure using Terraform and Azure CLI, provisioning VNets, VM Scale Sets, NSGs, and storage accounts, while automating deployment pipelines to ensure security, scalability, and operational consistency across environments.

• Extensive hands-on experience across AWS compute, networking, storage, database, identity, and observability services, designing and operating EC2 workloads, VPC architectures, NAT gateways, Transit Gateway (TGW), VPC peering, load balancers, object and block storage, RDS databases, IAM security controls, and CloudWatch monitoring

• Implemented cloud platform automation using Terraform, ArgoCD, and GitHub Actions to standardize infrastructure provisioning, Git-ops based deployments, and CI/CD pipelines for scalable, secure, highly available cloud-natice applications.

• Administered production-grade Kubernetes clusters, handling workload orchestration, RBAC enforcement, cluster maintenance, and observability integration to ensure secure, scalable, and highly available application environments.

• Extensively worked on Installing Firmware Upgrades, kernel patches, systems configuration, system Performance tuning on Unix/Linux systems. Worked on Installing, upgrading, and configuring RHEL, Debian, CentOS and Ubuntu using Kickstart Servers.

• Expertise in administration of VMware vCenter Server, ESX/ESXi servers, VMware vRealize Suite.

• Extensively worked on troubleshooting issues related to servers, hardware, backups, network, and performance. Develop automated/scripted procedures in PowerShell, Bash, Python for commonly executed tasks to optimize operations

• Worked on reliable backup and disaster recovery strategies using Veeam Backup, NetBackup, and VMware Site Recovery Manager.

• Experience applying ITIL-based service management practices, supporting both on-prem and cloud environments through structured incident, problem, change and release management to ensure operational stability.

• Managed cloud database platforms including AWS RDS, Azure SQL, and Redis caching, implementing automated provisioning, backup strategies, monitoring, and performance optimization

• Good understanding of platform engineering frameworks like Crossplane, AWS ACK/KRO (Kubernetes Resource Orchestrator) for provisioning and managing infrastructure through Kubernetes CRDs as part of POC

• Comprehensive knowledge of Linux Storage (RAID, LVM), networking fundamentals(TCP/IP, DNS, VPN, NAT, routing) and infrastructure security practices including vulnerability assessment, patch management, system hardening across on-prem and cloud environments.

SKILLS:

• CLOUD: AWS, Azure, VMware

• AWS: EC2, VPC, S3, EBS, ELB, Cloud-Front, IAM, RDS, Lambda, CloudWatch

• AZURE: VMs, Virtual Networks (VNet), Network Security Groups (NSG), Azure CLI, Resource Groups, Storage Accounts.

• VMware: vSphere 6.x, 7.x, Horizon View 6.x, 7.x, VRealize Suite.

• DEVOPS & IAC: Ansible, Terraform, GitHub Actions, Packer

• CONTAINERIZATION: Kubernetes, Docker

• SAN: NAS, NFS, vSAN

• OS: Windows 10, 11, 2012, 2012R2, 2016, 2019, RHEL 6.x, 7.x, 8.x, 9.x, CentOS 6.x +

• SCRIPTING: PowerShell, Shell, BASH, Python, YAML, JavaScript WORK EXPERIENCE:

WISER SOLUTIONS INC, SITE RELIABILITY ENGINEER JUNE 2023 – TILL DATE Responsibilities:

• Manage VMware ESXi hosts, vCenter Server, and Virtual Machines across Wiser’s datacenters.

• Migrate legacy Windows Server 2012 R2 to Windows Server 2019, ensuring compatibility and security improvements.

• Implement backup and recovery procedures using Veeam Backup and Replication, minimizing data loss and downtime.

• Administered Linux and Windows infrastructure across AWS and on-prem, managing IAM, across governance, and cloud cost controls

• Install, configure, and maintain AWS services such as EC2, S3, IAM, RDS, EKS, adhering to Wiser’s CI/CD pipeline and automation standards.

• Implemented scalable CI/CD and GitOps frameworks using GitHub Actions, Terraform with Atlantis for controlled IaC workflow, and ArgoCD for declarative Kubernetes deployments, ensuring secure, automated, and auditable multi-environment infrastructure and app delivery

• Contributed to the Terraform upgrade process, enabling compatibility with newer versions and improving infrastructure management practices.

• Implemented GitOps-based Kubernetes deployments using Helm and ArgoCD, with hands-on expertise in cluster operations, release management, and application troubleshooting

• Performed Kubernetes cluster upgrades using rolling and blue-green deployment strategies, ensuring zero downtime, service continuity, and high availability during version transitions.

• Implemented Karpenter-based node provisioning in Kubernetes clusters to dynamically scale compute resources, improving workload scheduling efficiency and reducing infrastructure costs

• Enabled AI-driven applications and chatbot services by managing GPU-accelerated AWS infra across EC2 and Kubernetes environments, implementing autoscaling strategies, and cost-controls for high-perfomance model workloads.

• Orchestrated transition from Flux HelmRelease workflows to ArgoCD ApplicationSets, re-architecting GitOps deployment models to enable dynamic multi-environment provisioning, automated configuration management and release governance

• Designed and maintained Ansible playbooks for recurring server management tasks, including software updates, user management, and configuration changes.

• Designed and maintained automation frameworks leveraging Bash, Powershell and Python to standardize infrastructure configuration, optimize operational efficiency across Linux and Windows platforms

• Integrated AWS Lambda with cloud services and event triggers to automate operational tasks

• Contributed to the implementation of Packer for machine image automation, ensuring consistent and reproducible deployments.

• Deployed and managed HashiCorp Vault for centralized secrets management

• Conducted POC evaluating Crossplane and KRO (Kubernetes Resource Orchestrator) for Autopilot platform initiative to enable self-service infrastructure provisioning.

• Explored AI platform integrations using Model Control Protocol (MCP) servers to enable LLM access to external tools and data sources.

• Administered SSL/TLS certificate lifecycle, implemented Single sign-on (SSO) with RBAC-based identity governance, and established secure VPN connectivity to ensure encrypted communication

• Worked on cloud-native monitoring for AWS and Kubernetes (EKS) using Prometheus and Grafana, building dashboards, alerts, and metrics pipeline.

• Led cloud cost-optimization efforts using Python automation and AI-assisted analysis to detect stale resources and unused infrastructure, delivering ~$300K/year in savings across test and production environments. VERIZON WIRELESS, SR. SYSTEMS ENGINEER SEP 2022 – JUNE 2023 Responsibilities:

• Managed production grade Azure cloud infrastructure using Terraform Infrastructure as Code, provisioning VNets, compute, storage, and identity resources to enable scalable and repeatable deployments across multiple environments.

• Designed secure Azure networking architectures using VNets, private endpoints, and network security controls to support highly available cloud workloads and hybrid connectivity.

• Worked on Azure AD (Entra ID) identity governance, integrating SSO, RBAC policies, and conditional access and directory services to enforce secure authentication

• Built and maintained containerized platforms using Docker and Kubernetes (AKS) to support scalable microservices and modern cloud-native application deployments.

• Worked on end-to-end CI/CD pipelines using Jenkins, automating application builds, Docker image creation, and Kubernetes- based deployments for cloud-native application releases.

• Implemented monitoring and observability using Azure Monitor, Log Analytics, and alerting systems to improve performance visibility and accelerate incident response.

• Enforced cloud security and governance best practices using Microsoft Defender for Cloud.

• Provided support for 3-tier applications hosted on Azure VMs, including Apache, Tomcat, and supporting middleware components.

• Automated the creation of custom Azure VM images using Packer, integrated with CI/CD pipelines for consistent and versioned environment provisioning.

• Supported serverless API platforms using Azure Functions and Azure API Management for scaling, secure API routing, and CI/CD integration

• Supported cloud database platforms including Azure SQL / PostgreSQL / MySQL, implementing secure connectivity, performance monitoring, and backup strategies for production workloads.

• Contributed to Linux infrastructure automation using Bash, Ansible, and CRON, managing backups, log rotation, performance checks, user provisioning, security hardening (iptables), and disaster recovery through NetBackup on On-prem infrastructure UNITED PARCEL SERVICE (UPS), SYSTEMS PROGRAMMER SEP 2017 – SEP 2022 Responsibilities:

• Managed enterprise VMware vSphere environment (ESXi 6.x/7.x, vCenter, VSAN) overseeing cluster operations, upgrades, patching (Update Manager), Storage (SAN), networking (vSwitch, VMkernel, NIC teaming) and disaster recovery using Site Recovery Manager and P2V migrations

• Engineered automation within vRealize Automation (vRA) and vRealize Orchestrator(vRO) enabling standardized VM provisioning (Windows & RHEL), template/ content library management, vApp deployments and secure SSL integrations across multi-datacenter environments

• Implemented observability and infrastructure monitoring using vRealize Operations Manager and Log Insight, supporting performance analytics, centralized logging, and migration from Splunk to VMware-native logging solutions.

• Developed cross-platform automation using Powershell and Python to streamline vCenter operations, system configuration, password rotation and infrastructure management tasks

• Ensured operational reliability and compliance through 24/7 production support, SOX-aligned change management processed, audit documentation, and health status reporting across Windows and Linux environments

• Migrated enterprise workloads from VMware virtualized environments to AWS and Kubernetes, implementing containerization, infrastructure automation, and CI/CD pipeline.

• Contributed to database modernization and migration initiatives from legacy on-prem environments to AWS managed database platform- RDS

• Implemented end to end CI/CD automation using Jenkins, building Docker images and orchestrating deployments to Kubernetes to enable prod-ready application release.

• Built and optimized containerized workloads on AWS using Docker and Kubernetes (EKS) enabling scalable microservices deployments

• Implemented IAM governance, managing least-privilege access policies, role-based authentication and secured service integrations and IAM Roles for Service Accounts (IRSA) for Kubernetes workload identity SINGULAR ANALYSTS INC, SYSTEMS ANALYST MAR 2017 – AUG 2017 Responsibilities:

• Primarily worked on Azure environment management including VM support.

• Written Bash, PowerShell scripts to automate/ test process and reduce workload.

• Work with product owners in gathering business requirements for data migration needs.

• Work across multiple functional projects to understand data usage and implications for data migration.

• Assist in designing, planning and managing the data migration process.

• Responsible for downstream data gap analysis, and documenting QC requirements for implementing QC checks on the data migrated.

• Used Adobe Analytics reports to analyze application usage patterns and support planning for data migration and system performance improvements.

• Install, configure, manage DHCP, DNS, Apache, IIS, SMTP, IMAP and file servers on RHEL servers

• Set up yum repository in the servers, upgraded repository by appropriate patching and installing software packages and services using yum and rpm as required.

• Preparing High-level functional analysis documents and participating in the migration effort.

• Develop the best practice, processes, and standards for effectively carrying out data migration activities. WOZTI TECHNOLOGIES, INDIA, SOFTWARE SYSTEMS ENGINEER INTERN DEC 2014 – AUG 2015 Responsibilities:

• Responsible for the installation, evaluation, implementation, integration, analysis, maintenance and problem resolution for client system software, client-server software and storage

• Testing of all application components migrated to the Amazon Cloud to ensure resilience, reliability and required performance are achieved.

• Day to day maintenance and support of applications in our on-prem datacenters.

• Worked with active directory user/computer accounts and group policy management, IP servers, and networking to troubleshoot and fix issues.

• Generated data object reports for data migration, patch management and system availability.

• Organized software upgrades and migrations with minimal intrusion of daily operations.

• Implemented and maintained ELK Stack (Elasticsearch, Logstash, Kibana) for log aggregation and visualization

• Managed disks and file systems using LVM.

• Installing, configuring Tivoli Storage Manager and Veritas NetBackup 6.5 on Solaris, Red hat servers, creating policies, scheduling jobs.

CERTIFICATIONS ACHIEVED:

• AWS Associate – Developer

• Azure Fundamentals

• Terraform Associate

• VMware Technical Associate – Datacenter Virtualization

• Basic Chef Fluency

EDUCATION:

• Master of Science in Computer Science Engineering, Texas A&M University-Kingsville, TX, USA - 2017

• Bachelor of Engineering in Computer Science Engineering, Anna University-Chennai, TN, INDIA - 2015

Contact this candidate