About Nikolay
Bulgarian
Native or bilingual
English
Fluent
German
Basic
Experience
- DZI Bulgaria (KBC Group)Senior System Administrator – VMwareFebruary 2024 - Today (2 years and 4 months)Bulgaria• Administer and support a multi-site VMware vSphere 8 infrastructure with integrated VCF and vSAN clusters across production and DR environments• Fortified disaster recovery readiness by designing and maintaining 10+ custom VMware SRM recovery plans; successfully executed quarterly DR test exercises with zero downtime• Optimized data protection for critical applications by managing IBM FlashSystem and Dell servers alongside VEEAM Backup & Replication; ensured rapid application-level restores (SQL) from multi-tier storage including hardened and tape archives• Enforced security compliance using CIS Benchmarks and ISO 27001, leveraging vRealize Operations (vROps) for infrastructure analytics and compliance monitoring• Deployed and validated VMware Identity Manager (vIDM) and Aria Automation (vRA) in lab environments, driving proof-of-concept success and guiding platform adoption decisions• Deployed NSX-T 4.2 multi-node clusters as PoC, including Edge Clusters, Tier-1 Gateways, Advanced Threat Protection (ATP), and Distributed Firewall (DFW)• Collaborated with internal IT teams and vendors to enhance infrastructure stability; led root cause analysis efforts and authored detailed technical documentation for troubleshooting and knowledge sharing
- Poinart ConsultingVMware ConsultantJune 2011 - April 2021 (9 years and 10 months)Bad Salzuflen, NW, Germany• Implemented and configured VMware NSX-T clusters, VMware Cloud Foundation (VCF), and VMware Cloud Director (VCD), enhancing multi-cloud infrastructure capabilities• Supported containerized environments by managing vSphere with Kubernetes, Tanzu Kubernetes Operations, and VMware Integrated OpenStack deployments• Delivered full-cycle design and deployment of vSphere environments (6.5–8.0), including vSAN clusters (FC, iSCSI, NFS) and VMware Horizon for internal and client use• Managed vRA, vROps, and vIDM for automation and monitoring• Developed comprehensive and structured runbooks and documentation, improving operational transparency and reducing incident resolution time
- Aerospace Group (under NDA)IT Consultant VMwareAVIATION AND AEROSPACESeptember 2021 - December 2021 (3 months)• Led environment-wide monitoring and performance optimization initiatives across 25+ vCenters and 600+ ESXi hosts, resulting in 15% reduction in hardware and licensing expenses• Performed environment-wide monitoring, analysis, upgrades, and optimizations, which led to a measurable reduction in hardware and licensing costs• Delivered architecture-level documentation and integrated VMware Skyline Health, enhancing proactive infrastructure health monitoring• Integrated RabbitMQ, Prometheus, and Grafana for container and service-level observability
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Certifications
- VMware Certified Implementation Expert – Data Center Virtualization (VCIX-DCV)VMware2022
- VMware Certified Advanced Professional - Data Center Virtualization Deploy (VCAP-DCV Deploy)VMware2022