Željko Benović Avatar

~ $ Željko Benović

// Staff Platform Engineer

Platform/DevSecOps/SRE engineer with extensive expertise in development, integration, deployments, monitoring, and security. Kubernetes gigachad. Golang wizard. Blockchain connoisseur.

Staff Platform EngineerDevSecOpsSRE

> skills

// DevOps
KubernetesK8s OperatorsService MeshHelmArgoCDTerraformGitOps
// Cloud
AWSGCPHyperVVMWareKVM
// Observability
PrometheusGrafanaLokiOTELPyroscopeInfluxDBTelegraf
// Programming
GoPythonBash

> GigaChad_Path

Staff Platform Engineer @ Consensys - Linea

Apr 2024 – Current

$ Built Linea Edge EKS clusters in different AZs hosting P2P EL/CL nodes, defining a clear separation between core infrastructure and public-facing P2P nodes.

$ Built GitOps stack with ArgoCD, GitHub Actions and AWS IAM using "Apps of Apps" pattern for seamless K8s deployments.

$ Implemented rigorous RBAC policies for Kubernetes and ArgoCD relying on OKTA and AWS IAM.

$ Implemented Web3Signer REST service in a restricted AWS account with HSM for signing core transactions.

$ Contributed to Infura's Kubernetes Operator enabling seamless blockchain node scaling, syncing, backup and peer discovery.

$ Implemented Karpenter across all EKS clusters replacing AWS ASG; reduced overall infrastructure costs by 60% via Spot instances.

$ K8s security hardening: NetworkPolicies, Istio service mesh, Velero, VolumeSnapshot CronJobs, External Secrets Operator.

$ Created a pod autodiscovery service multiplexing CL engine API requests to all pods enabling out-of-sync pods to resume syncing.

Head of DevOps @ Route3

May 2023 – Jan 2024

$ Engineered a GitOps framework leveraging GitHub Actions, AWS IAM, AWS OIDC and AWS SSM, orchestrated with Terraform.

$ Designed and launched a complete observability platform: Grafana, Prometheus, Telegraf, InfluxDB, Loki and Grafana Pyroscope.

$ Developed backend Go codebase integrating aws-sdk for AWS interaction and go-ansible to provision services on EC2 instances.

Senior DevOps Engineer @ Polygon Labs

Sep 2021 – May 2023

$ Among the top 5 core contributors to the now deprecated Polygon Edge project.

$ Architected a comprehensive network stress testing and TPS benchmark framework with real-time Slack notifications per deployment.

$ Led the team in developing Terraform code for the Polygon Edge AWS Quick Start project.

$ Led the team in creating Helm Charts for Polygon Edge.

Senior Network Engineer @ IPHouse d.o.o.

Apr 2017 – Aug 2021

$ Designed and implemented core services on an on-prem VMWare cluster including routing, firewall, security, VPN and Veeam D&R backup.

$ Deployed IPAM, IDP and IDS solutions; managed a team of 5 engineers.

> projects

> useful_stuff

Easy Mikrotik Backup Veeam Backup Grafana Dashboard