Cloudflare Zero Trust VPN Replacement
Security

Cloudflare Zero Trust VPN Replacement

Replaced legacy Cisco AnyConnect VPN infrastructure with Cloudflare Zero Trust solution, eliminating traditional VPN overhead and improving security posture.

Key Achievements

  • Migrated from Cisco AnyConnect to Cloudflare WARP
  • Eliminated VPN concentrators and traditional VPN infrastructure
  • Implemented application-level access controls
  • Reduced connection latency by 60%
  • Enabled seamless remote access without VPN client issues

Tech Stack

Cloudflare Zero TrustWARP ClientAccess PoliciesIdentity Providers

Challenge

Replacing entrenched VPN infrastructure while maintaining security and user experience, especially for remote teams

Solution

Implemented Cloudflare Zero Trust with WARP as a replacement, configured application-level policies, integrated with identity providers for SSO

CloudflareZero TrustVPNWARPNetwork Security
Disaster Recovery with NetApp & BGP Peering
Infrastructure

Disaster Recovery with NetApp & BGP Peering

Architected disaster recovery solution using NetApp replication over GCP-Datacenter interconnect with BGP peering for seamless failover.

Key Achievements

  • Implemented NetApp replication between datacenter and GCP
  • Configured BGP peering over Cloud Interconnect
  • Built automated failover mechanisms
  • Achieved RPO of 15 minutes and RTO of 1 hour
  • Validated DR procedures with regular rehearsals

Tech Stack

NetAppCloud InterconnectBGPGCPTerraform

Challenge

Ensuring data consistency during replication while maintaining low latency and handling network failover scenarios

Solution

Leveraged NetApp SnapMirror for replication, configured dedicated Cloud Interconnect with BGP peering for routing, automated failover with health checks

DRNetAppBGPGCPInterconnect
Private Google Access for On-Premises
Networking

Private Google Access for On-Premises

Enabled on-premises systems to access Google Cloud APIs privately through Private Google Access without traversing the public internet.

Key Achievements

  • Configured Private Google Access (PGA) for on-prem connectivity
  • Eliminated public internet exposure for API calls
  • Reduced latency for Google Cloud API access
  • Improved security posture with private connectivity
  • Enabled hybrid cloud architecture

Tech Stack

Private Google AccessCloud InterconnectVPCDNSRouting

Challenge

Enabling secure, low-latency access to Google Cloud APIs from on-premises without exposing traffic to the internet

Solution

Configured Private Google Access over Cloud Interconnect, set up proper DNS resolution for restricted.googleapis.com, established routing policies

GCPPrivate Google AccessVPCOn-PremisesSecurity
GitHub Actions OIDC with Vault & GCP
Security

GitHub Actions OIDC with Vault & GCP

Implemented secure, keyless authentication for GitHub Actions workflows using OIDC to access Vault secrets and GCP resources.

Key Achievements

  • Eliminated long-lived credentials in CI/CD pipelines
  • Configured OIDC trust relationships with GitHub
  • Integrated Vault JWT authentication for secrets
  • Enabled Workload Identity Federation for GCP
  • Reduced security risk from leaked credentials

Tech Stack

GitHub ActionsOIDCHashiCorp VaultGCP Workload IdentityJWT

Challenge

Securing CI/CD pipelines by eliminating stored credentials while maintaining workflow reliability

Solution

Configured OIDC providers in Vault and GCP, set up JWT authentication with GitHub tokens, implemented short-lived dynamic credentials

GitHub ActionsOIDCVaultGCPKeyless Auth
SPIRE/SPIFFE with GCP Workload Identity
Security

SPIRE/SPIFFE with GCP Workload Identity

Implemented zero-trust workload identity using SPIRE/SPIFFE framework integrated with GCP Workload Identity Federation.

Key Achievements

  • Deployed SPIRE server and agents across infrastructure
  • Integrated SPIFFE with GCP Workload Identity Federation
  • Enabled automatic mTLS for service-to-service communication
  • Implemented workload attestation and identity verification
  • Eliminated service account key management

Tech Stack

SPIRESPIFFEGCP Workload IdentitymTLSX.509 SVIDs

Challenge

Establishing cryptographic workload identity without managing long-lived credentials or certificates

Solution

Deployed SPIRE infrastructure for SPIFFE identity issuance, configured federation with GCP WIF, automated SVID rotation and attestation

SPIRESPIFFEWorkload IdentityGCPmTLS
Ansible Automation with Custom Modules
DevOps

Ansible Automation with Custom Modules

Built comprehensive Ansible automation platform for on-premises infrastructure lifecycle management with custom Python modules and reusable roles.

Key Achievements

  • Developed 20+ custom Ansible modules in Python
  • Created library of reusable roles for common tasks
  • Automated complete infrastructure lifecycle
  • Built dynamic inventory with custom sources
  • Reduced manual operations by 80%

Tech Stack

AnsiblePythonCustom ModulesRolesDynamic Inventory

Challenge

Automating complex on-premises infrastructure workflows that required custom logic beyond standard Ansible modules

Solution

Developed custom Python modules for specialized tasks, created modular role structure for reusability, implemented proper error handling and idempotency

AnsibleAutomationPythonInfrastructureIaC
Zero Trust Security Architecture
Security

Zero Trust Security Architecture

Designed and implemented enterprise-wide Zero Trust security framework using Cloudflare with just-in-time access controls across multi-cloud environments.

Key Achievements

  • Implemented Cloudflare Zero Trust with WARP connectors
  • Built just-in-time access controls and policy engine
  • Established secure cross-cloud connectivity (GCP ↔ AWS)
  • Automated ACL policy management with Terraform
  • Deployed secure tunnels for remote access

Tech Stack

Cloudflare Zero TrustWARP ConnectorTerraformIAMPolicy Engine

Challenge

Transitioning from traditional perimeter-based security to Zero Trust while maintaining connectivity across GCP, AWS, and on-premises infrastructure without service disruption

Solution

Phased rollout starting with proof of concept, followed by policy refactoring and automated policy management. Implemented WARP tunnels for multi-cloud connectivity

CloudflareZero TrustWARPSecurityTerraform
Multi-Platform Kubernetes Migration
Cloud Infrastructure

Multi-Platform Kubernetes Migration

Led complete platform migration from AWS to Google Kubernetes Engine with 250+ infrastructure improvements and zero downtime.

Key Achievements

  • Migrated production microservices from AWS to GKE
  • Deployed Helm charts for 20+ microservices
  • Modernized ingress architecture with Traefik
  • Implemented stateful services (MongoDB, Redis) with HA
  • Achieved 99.9% uptime during migration

Tech Stack

GKEKubernetesHelmTraefikMongoDB +2 more

Challenge

Migrating stateful databases and ML workloads from AWS to GKE while maintaining data consistency and zero downtime for production services

Solution

Created new GKE cluster with proper resource allocation, built comprehensive Helm charts, implemented blue-green deployment strategy with phased migration approach

GKEKubernetesMigrationAWSTraefik
Self-Hosted GitHub Actions Platform
DevOps

Self-Hosted GitHub Actions Platform

Built and scaled self-hosted GitHub Actions platform on GKE with Arc runners, reducing build times by 70% through intelligent resource management.

Key Achievements

  • Deployed self-hosted GHA runners on GKE with Arc controller
  • Implemented tiered runners for different workload types
  • Created custom actions for execution time monitoring
  • Built dedicated nodepools for test automation
  • Automated IAM syncing and security practices

Tech Stack

GitHub ActionsArcGKEKubernetesTerraform +1 more

Challenge

Scaling GitHub Actions to handle enterprise workloads while managing node ephemeral storage constraints and ensuring proper resource allocation

Solution

Implemented Arc controller on GKE for auto-scaling runners, created tiered runner pools based on workload requirements, built custom metrics integration for monitoring

GitHub ActionsGKECI/CDArcAutomation
Multi-Cloud Infrastructure as Code
Infrastructure

Multi-Cloud Infrastructure as Code

Architected comprehensive Terraform infrastructure managing 100+ cloud projects across GCP, AWS, and on-premises systems.

Key Achievements

  • Organized 100+ cloud projects with hierarchical structure
  • Built reusable Terraform modules for standardization
  • Implemented Atlantis for automated workflows
  • Created custom IAM importer to handle API rate limits
  • Managed multi-cloud infrastructure across providers

Tech Stack

TerraformTerragruntAtlantisGCPAWS +1 more

Challenge

Managing complex dependencies across 100+ projects, handling cloud provider API rate limits, and standardizing infrastructure code across multiple teams

Solution

Created modular Terraform architecture with Terragrunt for DRY principles, implemented custom IAM importer with rate limiting, established module review process

TerraformIaCGCPMulti-CloudTerragrunt
GCP Organization & Project Management
Cloud Infrastructure

GCP Organization & Project Management

Organized and automated management of 100+ GCP projects with hierarchical folders, IAM policies, and cost optimization.

Key Achievements

  • Structured 100+ GCP projects into folders and teams
  • Automated IAM policy management with Terraform
  • Implemented billing alerts and budget controls
  • Created custom IAM importer handling API rate limits
  • Established project lifecycle management

Tech Stack

GCPTerraformIAMCloud Asset InventoryPython

Challenge

Managing IAM permissions across 100+ projects while dealing with GCP API rate limits and ensuring security compliance

Solution

Built custom IAM importer with intelligent rate limiting, automated policy synchronization, and established review workflows for access management

GCPIAMOrganizationAutomationCost Optimization
Hypervisor Automation Platform
Infrastructure

Hypervisor Automation Platform

Automated Proxmox Virtual Environment with PXE boot, clustering, and complete VM lifecycle management.

Key Achievements

  • Automated PXE boot installation and clustering
  • Built VM provisioning with Packer and Preseed
  • Implemented load balancing across nodes
  • Created hybrid inventory management
  • Reduced deployment time from hours to minutes

Tech Stack

ProxmoxPXEPackerAnsibleTerraform +1 more

Challenge

Standardizing VM deployments across multiple hypervisor nodes while managing varied workloads and maintaining cluster stability

Solution

Created VM image approach with upgradable root disks, implemented PXE automation for consistent installations, built load stabilizer with hybrid inventory support

ProxmoxAutomationPXEVirtualizationAnsible
Enterprise Observability Stack
Monitoring

Enterprise Observability Stack

Built comprehensive monitoring and alerting platform using Prometheus, Grafana, and OpenTelemetry for distributed systems.

Key Achievements

  • Deployed Prometheus across multiple Kubernetes clusters
  • Built 50+ custom Grafana dashboards
  • Implemented OpenTelemetry for distributed tracing
  • Created automated alerting with escalation policies
  • Reduced MTTR by 70% through better visibility

Tech Stack

PrometheusGrafanaOpenTelemetryLokiTempo +1 more

Challenge

Correlating metrics, logs, and traces across distributed microservices while avoiding alert fatigue

Solution

Implemented unified observability with OpenTelemetry, created intelligent alerting with proper thresholds, built comprehensive dashboards for all services

PrometheusGrafanaOpenTelemetryMonitoringSRE
HashiCorp Vault Deployment
Security

HashiCorp Vault Deployment

Deployed enterprise-grade secrets management platform using HashiCorp Vault with automated secret rotation and injection.

Key Achievements

  • Deployed HA Vault cluster using Bank-Vaults on GKE
  • Integrated Vault Agent for automatic secret injection
  • Implemented dynamic secrets generation
  • Built PKI infrastructure for certificate management
  • Automated secret rotation workflows

Tech Stack

HashiCorp VaultBank-VaultsGKEVault AgentKubernetes

Challenge

Securing secrets at scale while maintaining developer productivity and handling high-availability requirements

Solution

Deployed Vault with Bank-Vaults framework for HA, integrated Vault Agent for seamless secret injection, implemented automated secret rotation

VaultSecrets ManagementBank-VaultsKubernetesPKI
GitOps with ArgoCD
DevOps

GitOps with ArgoCD

Implemented GitOps practices using ArgoCD for declarative infrastructure and application deployment across multiple clusters.

Key Achievements

  • Migrated 30+ services to ArgoCD for GitOps workflows
  • Implemented declarative infrastructure management
  • Created GitOps policies and best practices
  • Automated application deployment pipelines
  • Enabled self-service deployments for teams

Tech Stack

ArgoCDKubernetesGitHelmKustomize

Challenge

Transitioning from imperative deployments to declarative GitOps while training teams on new workflows

Solution

Started with pilot services to prove GitOps value, created comprehensive documentation and policies, established ArgoCD as standard deployment method

ArgoCDGitOpsKubernetesCDAutomation
High-Availability Database Platform
Infrastructure

High-Availability Database Platform

Built and managed HA database platform with MongoDB, Redis, and PostgreSQL clusters with automated backup and recovery.

Key Achievements

  • Deployed MongoDB replica sets with automated failover
  • Implemented Redis Sentinel for high availability
  • Built automated backup and recovery procedures
  • Created monitoring and alerting for all databases
  • Achieved 99.95% database uptime

Tech Stack

MongoDBRedisPostgreSQLKubernetesBackup Solutions

Challenge

Managing stateful database workloads on Kubernetes while ensuring data consistency and minimal downtime during failures

Solution

Implemented proper StatefulSets with persistent volumes, built automated backup procedures, created comprehensive monitoring and alerting

MongoDBRedisPostgreSQLHABackup
Machine Learning Infrastructure
Machine Learning

Machine Learning Infrastructure

Built scalable infrastructure for ML workloads with GPU support, model storage, and automated deployment pipelines.

Key Achievements

  • Deployed GPU-enabled clusters for ML training
  • Implemented model storage and versioning
  • Built CI/CD pipelines for ML services
  • Optimized resource allocation for GPU workloads
  • Created inference API endpoints

Tech Stack

GKETensorFlowPyTorchGPUKubeflow +1 more

Challenge

Managing expensive GPU resources efficiently while handling large model files and ensuring reproducible ML pipelines

Solution

Implemented auto-scaling GPU nodes with preemptible instances, built efficient model caching, created standardized ML deployment pipelines

MLGKEGPUTensorFlowModel Management
Cloud Networking & Ingress
Networking

Cloud Networking & Ingress

Designed modern networking infrastructure with Traefik, VPC management, DNS automation, and multi-region load balancing.

Key Achievements

  • Modernized ingress with Traefik across clusters
  • Implemented VPC and subnet management
  • Automated DNS configuration and updates
  • Built global load balancing solutions
  • Configured CDN for static assets

Tech Stack

TraefikVPCCloud DNSLoad BalancersCDN

Challenge

Migrating from legacy nginx to modern Traefik ingress while maintaining zero downtime for production services

Solution

Implemented gradual migration with parallel ingress controllers, automated DNS updates, created comprehensive testing procedures

NetworkingTraefikVPCDNSLoad Balancing