Jiri Vorel
Project Management
WA, United States
Skills
DevOps
About
Jiri Vorel's skills align with Programmers (Information and Communication Technology). Jiri also has skills associated with Consultants and Specialists (Information and Communication Technology). Jiri Vorel has 14 years of work experience, with 6 years of management experience, including a low-level position.
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Work Experience
Site Reliability Engineer - Observability & Incident Response
Squarespace
December 2020 - October 2023
- Designed, configured, maintained, and supported observability infrastructure and services on the hybrid Kubernetes clusters, virtual and bare metal machines at the enterprise scale. In the MTBF, championed SRE standards throughout the organization; set up alerts, defined SLOs and error budgets, developed tooling, crafted technical documentation, and hosted training workshops. Scaled, balanced, and migrated SOA components between on-premise data centers and (GCP/AWS) cloud. Operated thousands of Prometheus HA deployments, including robust Thanos fleets (metrics aggregation, caching, and long-term storage). Deployed Vector fleets replacing Elasticsearch clusters, with radical consolidation of diverse and massive logging data pipelines into one shared logging platform (Google Cloud). Orchestrated Alertmanager fleets, Open telemetry collectors, Prometheus Blackbox Exporters and Pushgateways, maintained Grafana Enterprise and various backends (SQL, caches, APIs).
Systems Engineer
Squarespace
June 2017 - December 2020
- Ownership of high-velocity software supply chains. Optimized CI/CD pipelines throughout the build, test, and deploy processes maximizing availability and development velocity. Built and ran infrastructure as code on hybrid Kubernetes environments and VMs; provisioning, scaling, securing, monitoring, alerting, technical documentation, .. everything-as-code. Migrated Bitbucket to GitHub, Bamboo to Drone, unified artifacts and SW repositories to Artifactory, and introduced Code Quality and Security analysis tools. Configured Blue/Green and Canary deployments, QA and stage environments, and automated roll-backs. A "special task force" member fast-paced migrating 100s of systems and services between data centers. SPOC for failover exercises and disaster recovery preparedness.
Linux Platform Engineer, Technical Lead
Amelia.ai
January 2015 - June 2017
- Oversaw availability and stability of PaaS IPCenters (consolidated systems for semi-autonomous ITSM) for optimal health of the Platform services for the company's tier-1 customers. Took care of installs, configs, monitoring, and scaling up of mixed servers (Web, LoB, App, DB, NFS, DNS, VPN, ..run on RHEL in VMware, AWS, or metal), API endpoints, and remote agents. Responded to alerts and escalations, and resolved outages affecting complex production systems. Developed runbooks and SOPs for L1/L2 teammates and our customers. Owned COEs and Post-mortems. TPM; collaborated with Product teams on larger projects, new customer integrations, and features. Senior System Administrator @ DHL IT Services, Prague, Czech Republic
Service Desk Senior Specialist, Shift Team Lead
NOC-SOC Prague HQ data center
March 2011 - November 2014
- Tasked with the management of configurations, monitoring and incidents on business-critical low-latency systems (RHEL, HP-UX, and Windows on bare-metal machines and VMs). Racked-stacked servers, hot/cold service repairs, provisioned new systems and setup services. Performed risk assessments, RCAs, security audits, and hardening. Service Desk Senior Specialist, Shift Team Lead @ DHL IT Services, Prague, CZ, EU
Service migration specialist
September 2009 - March 2011
- Sep 2009 - Mar 2011 Global support; configured server-network-client services, resolved user issues, developed technical documentation, and led training courses. Service migration specialist; on-site, in-person knowledge capture and transfer from the local IT departments to the European HQ. Centralized account management for the entire organization, AAA framework. Led team of 8engineers providing 24/7support for the entire Service Desk. Other previous-noteworthy experience Field Service Technician & Enterprise Technical Support (News agency in CEU, self-employed) Assistant Store Manager (major outdoor retailer in Prague, CZE) Logistics and Travel Agent (London, UK and Prague, CZE) Emergency First Responder and Outdoor Leadership Training (Alps, EU)
Education
