Kushagra Saxena

Senior Site Reliability Engineer

Exabeam • 03/2024 - Present

• • Led migration from Looker Classic to Looker Core across Dev/Staging/Prod using Terraform; authored complete provisioning and deployment documentation.
• • Developed custom Kubernetes operators to automate Spanner autoscaling and per-customer Logstash deployments using Helm and ArgoCD.
• • Implemented Falco for runtime security with custom rules and GitOps-based rollout.
• • Enforced secure networking via Istio (namespace/FQDN-based policies) and iptables for restricting internet egress to VPC-only traffic.
• • Integrated Sysdig image scanning into GitHub Actions pipelines for vulnerability checks before image pushes to Google Artifact Registry.
• • Deployed and managed 10+ ClickHouse clusters with GCP Private Connect, IP whitelisting, Prometheus monitoring, and step-based autoscaling strategies.
• • Investigated and resolved incidents including CI/CD failures, DNS issues, and Kubernetes access problems.
• • Configured Grafana alerts routed to Opsgenie to enhance incident response workflows.
• • Reduced false positives and resource sprawl by identifying and cleaning up orphaned MongoDB instances and stale resources.
• • Owned end-to-end deployment of Windmill app using Kustomize and GitHub Actions with staged rollout across environments.

Member of Technical Staff - 2

VMWare • 04/2022 - 12/2023

• • Automated Tanzu Kubernetes Grid (TKG) integration into Tanzu Mission Control (TMC); resolved issues across multi-cloud platforms (AKS, EKS, GKE).
• • Developed CI/CD pipelines using Jenkins and Concourse for end-to-end automation of code promotion and infrastructure provisioning.
• • Created a custom Concourse resource to detect code changes, build containers, and push to image registries.
• • Built and maintained a test automation framework (Ginkgo, Go) for validating upgrades and cross-interface compatibility in TMC-SM.
• • Designed automation for syncing container images across registries (e.g., Harbor ↔ ECR), improving image availability.
• • Extended the internal test platform to support public cloud clusters (EKS, AKS, GKE).
• • Developed a test framework using Ginkgo and Golang which works on multiple product interfaces. It helped in multifold reduction in the testing time.
• • Worked on enabling the self-developed testing framework for various public cloud Kubernetes platforms (EKS, AKS and GKE).
• • Automated AWS cost optimizations using API-driven scheduling and tagging strategies.
• • Implemented a source-control-based authorization provider for internal CI systems.

Senior Software Engineer

Capgemini • 09/2019 - 04/2022

• • Led development of a scalable test automation framework for Guidewire Insurance Suite (State Farm Insurance), reducing testing time by 8x.
• • Improved PolicyCenter message processing throughput by 11% through queue optimization.
• • Optimized backend services by reducing unnecessary DB queries, achieving 35% faster response times.
• • Deployed and managed enterprise apps on AWS Linux servers, including monitoring and performance tuning.
• • Built an automated headless server management system that reduced downtime via proactive alerting.
• • Designed tools (e.g., GAnalyzer) to validate Guidewire data models and reduce runtime schema issues.
• • Led development of an employee management portal (Spring Boot + Angular) with JWT-based access control.

Education & Certifications

• • B.Tech (Hons.) in Computer Science and Engineering - ABES Engineering College, Ghaziabad (07/2015 - 06/2019)
• • Oracle Certified Associate – Java SE 8 Programmer I (1Z0-808) - Secured 92% score