Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic

Angel Velkov

Plovdiv,Bulgaria

Summary

Dynamic DevOps Engineer with over 6 years of experience in Linux system administration, hosting infrastructure support, and cloud-native DevOps practices. Expertise in deploying and maintaining secure, scalable, and highly available environments utilizing tools such as Docker, Kubernetes, Ceph, and GitLab CI/CD. A strong foundation in server management, monitoring, and automation drives a commitment to operational excellence and performance optimization. Known for fostering team collaboration and adaptability while consistently delivering reliable solutions that align with organizational objectives.

Overview

11
11
years of professional experience
1
1
Certification

Work History

DevOps Engineer

WWWWE
01.2022 - Current
  • Built and maintained 4 Kubernetes clusters with Ceph storage backend.
  • Automated deployment pipelines using GitLab CI/CD, speeding up release cycles.
  • Deployed and configured observability stack: Prometheus, Grafana, Thanos.
  • Managed NGINX ingress, Helm charts, and infrastructure-as-code workflows.

Linux System Administrator

WWWWE
01.2019 - 01.2022
  • Maintained 40 KVMs and over 250 virtual machines and Debian, CentOS and Ubuntu-based hosting infrastructure.
  • Handled SSL wildcard certificates, WHM/cPanel, and Apache configurations.
  • Managed DNS, MX mail servers, and internal GitLab version and health control.
  • Automated tasks with Bash and Ansible to improve server operations.

Technical Support Engineer

WWWWE
01.2017 - 01.2019
  • - Provided L1 and L2 support to hosting clients for domains, emails, SSL, and control panels.
  • - Helped optimize server configurations and troubleshoot performance issues.
  • - Developed knowledge base materials and assisted clients with Linux basics.

Technical Support - CCTV Systems

Enterprise Security Solutions
01.2015 - 01.2017
  • Installed and configured CCTV systems (NVRs and IP cameras) for business clients.
  • Handled wiring, setup, network connectivity, and post-installation support.
  • Assisted in training customers on using and managing video systems.

Education

Business Informatics Technologist -

Plovdiv University "Paisii Hilendarski"
Bulgaria, Plovdiv
01.2018

Medical Studies (Incomplete) -

Medical University - Plovdiv
Bulgaria, Plovdiv
01.2015

Skills

  • Docker: Build, configure, and maintain containerized applications for consistent deployments
  • Kubernetes: Manage and scale clusters, schedule workloads, add nodes, and configure ingress/storage
  • GitLab CI/CD: Design and maintain automated build, test, and deployment pipelines
  • Helm: Create and deploy reusable charts for Kubernetes applications
  • Ceph: Administer distributed storage clusters for high availability and redundancy
  • Ansible: Automate provisioning, configuration, and deployments using playbooks
  • Prometheus: Set up metrics collection, alerts, and troubleshoot performance issues
  • Grafana: Build dashboards for real-time infrastructure and application monitoring
  • Thanos: Extend Prometheus with long-term storage and global query capabilities
  • Bash Scripting: Develop automation scripts for maintenance, backups, and deployments
  • Ubuntu Server: Configure, secure, and manage Linux production environments
  • WHM / CPanel: Manage hosting environments, domains, and email troubleshooting
  • SSL & TLS Certificates: Deploy and renew certificates, including wildcard SSL
  • NGINX: Configure as reverse proxy, load balancer, and secure web server
  • KVM Virtualization: Manage VMs for isolated and optimized service hosting
  • Mail Servers (MX): Configure DNS, troubleshoot delivery, and ensure uptime
  • Containerization technologies – Package and run apps in Docker containers; standardize images, manage private registries, and orchestrate with Kubernetes (deployments, rollouts, health checks, autoscaling)
  • Monitoring and logging – Build observability stacks with Prometheus, Grafana, and Thanos; define SLOs/alerts, create service dashboards, and trace incidents end-to-end to cut MTTR
  • Linux operating system – Administer Ubuntu Server and KVM VMs; harden hosts, manage users/permissions, automate updates and backups, and troubleshoot networking, DNS, and mail services
  • Infrastructure automation – Use Ansible, Helm, and GitLab CI/CD to provision, configure, and deploy; codify environments (IaC), enforce repeatable releases, and remove manual steps

Certification

  • - LPIC - Linux Professional Institute Certification (Ubuntu Focus)
  • - DevOps for Beginners - Online Certification
  • - Advanced Docker - Online Certification
  • - Beginner & Advanced Ansible - Online Certification
  • - Beginner & Advanced MikroTik Networking - Online Certification

Languages

English
Advanced (C1)
Bulgarian
Bilingual or Proficient (C2)

Timeline

DevOps Engineer

WWWWE
01.2022 - Current

Linux System Administrator

WWWWE
01.2019 - 01.2022

Technical Support Engineer

WWWWE
01.2017 - 01.2019

Technical Support - CCTV Systems

Enterprise Security Solutions
01.2015 - 01.2017

Business Informatics Technologist -

Plovdiv University "Paisii Hilendarski"

Medical Studies (Incomplete) -

Medical University - Plovdiv

Similar Profiles

CREATE PROFILE
Angel Velkov