🧭 Summary
I’m a Senior DevOps Engineer specializing in both hybrid and cloud-native platforms, Kubernetes, and Azure architecture. I build secure, scalable systems and enjoy designing hybrid environments that blend enterprise reliability with modern automation practices. I enjoy building and operating the systems I design, ensuring reliability through practical engineering and automation.
🔎 What I’m focusing on now
Currently focusing on Kubernetes platform engineering, Azure cloud architecture, and strengthening GitOps workflows.
🔧 Technical Skills
Cloud & Platforms: Azure (IaaS/PaaS), AKS, Azure Arc, VPN
Architecture & Design: Hybrid architecture, DR/BC, SLA/RTO/RPO tradeoffs, solution diagrams
Data & Databases: Azure SQL, MS SQL, MariaDB, backup/replication strategies
CI/CD & Automation: Azure DevOps, Jenkins, Bamboo, Git, Terraform, Bicep, ARM, Ansible
Networking & Security: BGP, IPv6, Private Link, NSGs, WAF, PKI/ADCS, conditional access, zero-trust
Observability & Ops: Grafana, NetBox, Zabbix, SCOM, logging and alerting design
Languages & Tools: C#, C++, PowerShell, Bash, Nginx, Apache
🏢 Experience
Senior DevOps Engineer — Erste Investment Hungary (May 2025–)
- Planned migration of production microservice-based workload from Windows to Linux
- Architected migration of Windows container workloads to Linux and AKS, defining node sizing, ingress, and observability
- Implemented automated CI/CD pipelines for legacy applications (Azure DevOps), reducing deployment lead time and rollback incidents
- Advised development teams on maintainable IAM and distributed application patterns to improve operational security and maintainability
DevOps Engineer — Merkantil Bank (Apr 2024–Apr 2025)
- Introduced on-prem Azure DevOps Server and assisted MSSQL BI teams to create repeatable pipelines, improving release consistency
- Designed on-prem infrastructure for on-prem connector component and contributed to data governance implementation (Collibra), aligning technical design with compliance requirements
DevOps Engineer — Vodafone Hungary (Mar 2019–Mar 2024)
- Designed and operated a high throughput Nginx reverse proxy handling 10–15M requests/day
- Managed self-hosted Atlassian stack (Jira, Confluence, Bitbucket, Bamboo) and led migrations and integrations to improve developer workflows
- Led CI efforts across Bamboo, Jenkins, and Azure DevOps
- Piloted AWS for partial OKD migration, producing architecture comparisons and cost/performance tradeoffs
Senior DevOps Engineer / Lead DevOps Engineer — Swiss Re (Aug 2015–Feb 2019)
- Automated ITSM workflows and integrated Azure DevOps CI/CD solutions for .NET and Java stacks, improving deployment reliability
- Consulted on Azure DevOps infrastructure improvements and auditability for enterprise compliance, migrating on-prem Azure DevOps Server to cloud
Software & Infrastructure Specialist — Kilgray Translation Technologies (Oct 2012–Aug 2015)
- Private cloud design & server-side development
Senior Systems Engineer (Consultant) — Grepton Informatics Plc (Jan 2011–Sep 2012)
- Designed, implemented, and maintained Microsoft server solutions
- Supported both internal infrastructure and customer environments
Systems Engineer — Hungarian Export-Import Bank (Apr 2007–Dec 2010)
- Managed Windows Server-based infrastructure (Exchange, SQL, SharePoint, ISA/TMG)
- Administered Cisco network infrastructure for 120 users
- Planned and performing improvements and migrations
- Developed internal .NET/ASP.NET applications using MSSQL
Microsoft Certified Trainer — NetAcademia Ltd (Sep 2006–Jan 2008)
- Delivered IIS and Exchange Server trainings
🧪 Home Lab & Hybrid Architecture Project
Building and operating a resilient, enterprise-grade personal home datacenter demonstrating hybrid design and operations (dual ISPs, BGP IPv6, redundant power, dedicated cooling). Deployed ADDS, multi-tier PKI with HSMs, an 8-node Kubernetes cluster, MariaDB/MS SQL clusters, CI/CD pipelines, Zabbix monitoring, and NetBox documentation. Implemented hybrid connectivity patterns, automation, and observability for production-grade workloads.
🏗️ Selected Projects & Achievements
Performed a comprehensive security assessment of a GKE‑hosted national event ticketing platform handling ~230k daily requests, covering cluster hardening, workload security, RBAC, network policies, CI/CD and IaC posture.
Designing and planning migration of containerized workloads to AKS.
Consulted technical carve-out work for Active Directory and PKI migrations, along with Azure separation during a divestiture project.
Designed and implemented highly available Nginx reverse proxy serving ~5M requests/day.
🏅 Awards
Microsoft Most Valuable Professional (MVP)
- Management Infrastructure (Apr 2009)
🌍 Languages
Hungarian – Native | English – Fluent
📜 Certifications
- Microsoft Certified: Azure Solutions Architect (Apr 16, 2026)
- Microsoft Certified: Azure DevOps Engineer Expert (Apr 30, 2026)
- Microsoft Certified: Azure Network Engineer (Jun 15, 2026)
- Microsoft Certified: Cybersecurity Architect (Jul 10, 2026)
- Certified Kubernetes Administrator (May 16, 2026)
- HashiCorp Certified Terraform Associate (May 25, 2026)
Selected Historical:
MCSE: Cloud Platform & Infrastructure; Microsoft Certified Trainer (MCT); CCNA; CompTIA Security+.
Full certification transcripts from
Microsoft and
Credly are available for download.
📚 Books
- Windows Internals 6th Edition Part 1 (Windows Internals 1. rész) (technical reviewer of the translation of the original Microsoft Press title), SZAK Kiadó, 2013
- Windows Internals 5th Edition (technical reviewer of the translation of the original Microsoft Press title), SZAK Kiadó, 2012
- Windows 7 for Advanced Users (Windows 7 haladókönyv), SZAK Kiadó, 2010
- Windows 7 Step-by-Step (Windows 7 lépésről lépésre) (technical reviewer of the translation of the original Microsoft Press title), SZAK Kiadó, 2009
- Windows Server 2008 for System Administrators (Windows Server 2008 rendszergazdáknak), SZAK Kiadó, 2008
- PowerShell Through Examples (PowerShell példatár), SZAK Kiadó, 2008
- Windows Server 2008 Administrator’s Pocket Consultant (Windows Server 2008 - A rendszergazda zsebkönyve) (technical reviewer of the translation of the original Microsoft Press title), SZAK Kiadó, 2008
- Windows Vista for Advanced Users (Windows Vista haladókönyv), SZAK Kiadó, 2007
🎓 Education
Széchenyi István University (2005–2008)
Trefort Ágoston Bilingual Secondary School (1999–2004)
🧠 Personality traits
- Analytical thinker
- Persistent
- Solution oriented
- Security conscious