Apostolos Karavias
Infrastructure & Platform Lead / DevOps Engineer
I’m an infrastructure and platform engineer focused on Linux, automation, container platforms, and reliable production environments. My work spans systems administration, virtualization, cloud infrastructure, and modern DevOps practices.
Experience
tgndata
– Present
Infrastructure & Platform Lead
Leading the migration from VM-based infrastructure toward Kubernetes.
Defining containerization practices, CI/CD workflows, automation, and operational reliability.
NTT DATA
–
Infrastructure Engineer (DevOps)
Worked with RHEL and OpenShift in a large, high-availability European public-sector environment.
Infrastructure validation, Ansible automation, operations, upgrades, and reliability.
tgndata
–
Systems Engineer
Managed Linux infrastructure across bare-metal, Proxmox, and cloud environments.
Automation, MySQL operations, monitoring, incident response, and infrastructure improvements.
ITN Networks
–
Systems Administrator
Windows/Linux administration, Active Directory, Microsoft 365, virtualization, and networking.
Firewalls, backups, infrastructure support, and systems operations.
Technical expertise
- Linux & Platforms
- RHEL, Rocky Linux, OpenShift, Kubernetes
- Containers
- Docker, Podman, Helm
- Automation & CI/CD
- Ansible, Bash, Python, GitHub / Gitea Actions
- Infrastructure
- Proxmox, VMware, Hetzner, GCP
- Monitoring
- Grafana, Prometheus, Zabbix, Datadog
- Networking & Systems
- Firewalls, Windows Server, Active Directory
Certifications
- Red Hat Certified System Administrator (RHCSA)
- Red Hat Certified Specialist in Containers
- Google Cloud Associate Cloud Engineer
- Microsoft Azure Fundamentals (AZ-900)
Education
BSc Computer Networks
University of East London / Metropolitan College
2016