ngnixx

Led a team of 9 DevOps engineers, responsible for the full infrastructure lifecycle across high-load FinTech products. Built and maintained CI/CD for 12 development teams in GitLab, including multi-project pipelines and QA integration via Pact, Wiremock, Selenium Grid, Moon, TestKube, and macOS/Android runners. Containerized applications across PHP, Node.js, Java, Python, and Go stacks; led smooth migration from docker-compose to Kubernetes. Built PaaS on Kubernetes with ~20 custom operators and internal automation tooling. Designed and provisioned cloud infrastructure on AWS, AliCloud, Yandex Cloud, and VMware using Terraform. Automated deployment and scaling of clustered systems: Kafka, RabbitMQ, Redis, PostgreSQL, Apache NiFi – both within and outside Kubernetes. Implemented full observability stack: Prometheus, Loki, Victoria Metrics, Grafana Agent, OpenTelemetry, Tempo. Provisioned and operated a bare-metal GPU cluster for LLM training on custom datasets; deployed Kubeflow for end-to-end ML pipeline orchestration (training, experiment tracking, model serving); built and maintained custom PyTorch-based container images for model training workflows. Operated on-premises data center infrastructure. Led R&D initiatives for emerging infrastructure technologies.

Collaborated with product and engineering teams on technical stack decisions and infrastructure architecture aligned to business goals. Authored ADRs and C4 deployment diagrams to standardize infrastructure documentation. Designed Hybrid Cloud topologies and on-premises colocation data centers. Led infrastructure standardization effort ahead of company’s international market expansion. Built automation processes to accelerate infrastructure delivery to development teams. Managed DevOps engineering team.

Provisioned and automated cloud infrastructure across AWS, AliCloud, Yandex Cloud, VMware using Terraform. Managed configuration automation via Ansible + Git, developed reusable roles. Deployed and scaled Kafka, RabbitMQ, Redis, PostgreSQL, Apache NiFi clusters in Kubernetes and bare-metal environments. Maintained on-premises data centers and dev/test environments. Scripting in Bash, Python, Go.

Administered and configured enterprise-grade network equipment: Cisco ASR 9006, Catalyst 6509, Cisco Nexus. Configured internal routing: iBGP with Route Reflectors, MPLS L2VPN, OSPF multi-area, PIM, IGMP. Managed eBGP peering with upstream providers, subscriber BGP onboarding, AS management, traffic load balancing. Administered DNS (Unbound, PDNS), DHCP, FreeRADIUS, NAT (iptables). Set up monitoring: Zabbix, Graphite, Grafana, Carbon. On-call incident response.

Led a team of system administrators; planned infrastructure development roadmap. Designed VMware (5.5/6.0) HA clusters with Fault Tolerance, vMotion, and Storage vMotion. Built iSCSI SAN (Equallogic) and Fibre Channel networks (DELL MD3620F, Cisco Nexus). Administered DELL and HP server hardware (G11–G13 blades). Connected 150+ remote retail locations via Mikrotik-based VPN infrastructure. Managed Windows services (AD, DHCP, DNS, WSUS, IIS, TMG2010) and Linux services (LAMP, Postfix, Nginx, KVM, MySQL, PostgreSQL).