Stoichko
Maerkov
Kubernetes, CI/CD, automation, Linux, monitoring — designing secure high-availability environments in iGaming and telecom. Focused on reliability and performance at scale.
Skills & Technologies
20+ years of hands-on experience across the full infrastructure stack — from bare-metal to cloud-native.
Container & Orchestration
CI/CD & Automation
Monitoring & Observability
Scripting & Programming
Infrastructure & OS
Networking & Security
Cloud Platforms
Databases & Services
AI Engineering
LLM & Vector Stores
Data & MLOps
Work Experience
DevOps Engineer
- ▹Kubernetes platform operations & Helm deployments for iGaming workloads
- ▹CI/CD pipeline management (GitLab/Jenkins) and automation with Ansible and Bash
- ▹High-availability infrastructure management and monitoring with Prometheus/Grafana
- ▹Performance optimization and reliability engineering for production environments serving millions of users
Senior DevOps Engineer
- ▹Infrastructure automation and configuration management — faster deployment, easier maintenance
- ▹Developed scripts to automate manual tasks, improving system efficiency by 40%
- ▹Implemented HashiCorp Vault for secrets management and security policies
- ▹Designed and maintained comprehensive monitoring stack with Prometheus/Grafana
- ▹Secured network and systems through best-practice security policies
- ▹Containerization and orchestration for improved scalability and reliability
Senior System Administrator
- ▹Full responsibility for IT infrastructure including servers, storages, and networks
- ▹Deployed and maintained automated services for core business systems
- ▹Infrastructure optimization and performance tuning across 50+ servers
Senior Core Administrator / DevOps
- ▹Administered operating systems and databases of core network and application servers
- ▹Deployed cloud and billing infrastructure for LTE/4G equipment
- ▹Network infrastructure design and maintenance for telecom operations
- ▹Automation of routine tasks and system monitoring using Python and Bash
IT Administrator
- ▹Administration and maintenance of computer and network systems
- ▹Development and maintenance of public services and websites
- ▹System security and backup management for critical business data
Senior System Administrator
- ▹Administration of telecom & system infrastructure in Eurions-Bulgaria and Euroins-Romania
- ▹Technical development on Asterisk VoIP platform
- ▹Cross-border infrastructure management across two countries
Key Projects
High-impact projects with measurable outcomes across iGaming, telecom and enterprise infrastructure.
Kubernetes Migration
Migrated monolithic applications to microservices architecture on Kubernetes — improved resilience, independent scaling, and zero-downtime deployments.
CI/CD Pipeline Implementation
Designed and implemented end-to-end CI/CD pipelines using GitLab CI and Jenkins with automated rollbacks and environment promotion gates.
Infrastructure as Code Transformation
Automated entire infrastructure provisioning using Ansible and Terraform, eliminating manual configuration errors across multi-cloud environments.
Enterprise Monitoring Stack
Implemented comprehensive observability with Prometheus, Grafana, and Loki for 100+ servers — real-time visibility, proactive alerting, and incident correlation.
Certifications
Cisco CCNA
Cisco Certified Network Associate
AWS Solutions Architect
Amazon Web Services
Certified Kubernetes Administrator
Cloud Native Computing Foundation
HashiCorp Terraform Associate
HashiCorp
Bachelor in Telecommunications Engineering
Technical University of Sofia · 2002 — 2010
Schedule a Meeting
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