nklockenbrink

Led infrastructure automation and platform reliability for one of the world's largest blockchain infrastructure providers, supporting staking operations across 50+ networks. Architected and owned CI/CD deployment pipelines using GitHub Actions and Ansible, standardizing multi-region validator and node rollouts. Drove IaC consolidation using Ansible and Terraform, improving consistency and repeatability across cloud and bare-metal node provisioning. Managed Kubernetes-based workloads for monitoring, tooling, and ancillary services across cloud and bare-metal environments. Collaborated with protocol engineering teams to develop automated node upgrade pipelines, reducing validator downtime during network upgrades. Championed observability improvements with Datadog dashboards and alerting for validator performance, slashing risk, and uptime SLOs. Mentored junior DevOps engineers and established team standards for infrastructure code review, runbook documentation, and incident response.

Managed Linux-based infrastructure for hybrid cloud environments, optimizing server performance and availability. Maintained and automated infrastructure using Nutanix Automation, Ansible, and Terraform. Supported high-availability architecture and hyper-converged virtualization platform. Led system migration projects, including hardware lifecycle upgrades and OS migrations. Troubleshot and resolved critical Linux server issues to maintain 99.99% uptime.

Deployed and managed 100+ Linux servers across multiple global locations. Implemented Puppet-based automation, reducing configuration drift and deployment time by 40%. Designed and deployed FreeIPA-based identity management with SAML authentication. Automated OS deployment with Kickstart scripts, reducing provisioning time by 50%. Integrated oVirt virtualization into a hybrid cloud storage system (GlusterFS). Migrated corporate email and telephony to Office 365 cloud services. Upgraded data center networking to 10GbE with FCoE and RDMA.

Managed 400+ Linux servers across multi-data center environments. Led Puppet Enterprise deployment for centralized configuration management. Migrated legacy Nagios Core monitoring to automated Nagios Enterprise with Puppet integration. Developed Puppet modules to streamline system configurations, reducing manual errors. Integrated Red Hat Satellite 6 for automated OS patching and provisioning. Assisted security operations with monthly security audits and vulnerability remediation.

Monitored and managed 1500+ Linux servers for security compliance and performance. Led patch management and risk assessments, ensuring security standards. Provided Level 3 Linux support, troubleshooting critical system incidents. Developed security compliance workflows aligned with PCI-DSS and ISO27001.