05/27/2025 updated
ZI
100 % available
Senior DevOps & SRE Consultant | Linux & IoT Specialist
Sofia, Bulgaria
Only remote
B.Sc. Network TechnologiesApplication Programming Interfaces (APIs)Artificial IntelligenceAmazon Web ServicesAmazon Elastic Compute CloudAmazon S3AutomationCentOSCloud ComputingNvidia CUDAShard (Database Architecture)Debian LinuxLinuxDevOpsDevice ManagementGitHub
Linux System Administration
22 years of Linux experience with expert-level proficiency in Debian, RHEL/CentOS distributions, managing high-throughput infrastructure for API, IoT and AI workloads.
Infrastructure as Code & GitOps
Advanced knowledge of Terraform, GitHub Actions, CircleCI, and GitOps workflows for implementing end-to-end pipelines and infrastructure automation.
Container Orchestration
Advanced skills in Docker, Docker Compose, Podman, and orchestration tools like SaltStack, Ansible, Puppet, and Kubernetes for CI pipelines and production environments.
Cloud Infrastructure
Intermediate experience with AWS services including EC2, S3, Secrets Manager, IAM, and Route 53, with 2 years of hands-on implementation.
Monitoring & Logging
Advanced proficiency with Prometheus, Grafana, and Alertmanager for creating dashboards and implementing alerting systems.
Database Management
Advanced skills in MariaDB Galera, ProxySQL, and MongoDB sharding with high-availability configuration and scale tuning.
IoT Systems
Advanced knowledge of Mosquitto MQTT and BeagleBone Black device management with 3 years of production IoT experience.
AI/ML Operations
Advanced capabilities in Stable Diffusion, ComfyUI, local LLMs, and CUDA/GPU drivers for building custom Docker images for AI applications.
22 years of Linux experience with expert-level proficiency in Debian, RHEL/CentOS distributions, managing high-throughput infrastructure for API, IoT and AI workloads.
Infrastructure as Code & GitOps
Advanced knowledge of Terraform, GitHub Actions, CircleCI, and GitOps workflows for implementing end-to-end pipelines and infrastructure automation.
Container Orchestration
Advanced skills in Docker, Docker Compose, Podman, and orchestration tools like SaltStack, Ansible, Puppet, and Kubernetes for CI pipelines and production environments.
Cloud Infrastructure
Intermediate experience with AWS services including EC2, S3, Secrets Manager, IAM, and Route 53, with 2 years of hands-on implementation.
Monitoring & Logging
Advanced proficiency with Prometheus, Grafana, and Alertmanager for creating dashboards and implementing alerting systems.
Database Management
Advanced skills in MariaDB Galera, ProxySQL, and MongoDB sharding with high-availability configuration and scale tuning.
IoT Systems
Advanced knowledge of Mosquitto MQTT and BeagleBone Black device management with 3 years of production IoT experience.
AI/ML Operations
Advanced capabilities in Stable Diffusion, ComfyUI, local LLMs, and CUDA/GPU drivers for building custom Docker images for AI applications.
Experience
Professional experience10+ years
Freelancer since2018
Languages
BulgarianNative speakerEnglishFluent
Project history
Provide B2B DevOps retainers: CI/CD, IaC, cloud cost optimization. Build cross-platform AI mobile apps in Flutter backed by Firebase/Firestore & NodeJS. Package and deploy Stable Diffusion & LLMs in GPU-enabled Docker images for content-generation start-ups. Deliver technical audits and knowledge transfer for SMEs adopting GitOps.
Designed and enforced company-wide CI/CD & GitOps standards (GitHub Actions). Migrated legacy CircleCI pipelines and proprietary .deb/.rpm builders to a unified GitHub Actions platform; integrated custom package repositories. Managed global IoT fleet (BeagleBone Black on Debian & Amazon Linux 2) via SaltStack modules, enabling zero-touch config rollout. Authored build/deploy scripts, security baselines and developer onboarding docs.
Continued scaling airfare-search platform: Puppet/Foreman drove >1,400 production servers. Tuned ProxySQL connection pooling, eliminating MariaDB connection saturation. Led CentOS 6→7 migrations and systemd adoption.