IT Services Hungary Ltd. – Member of T-Systems
Junior HP-UX System Administrator 
2007 – 2010

IT Services Hungary Ltd. – Member of T-Systems
Senior Unix (HP-UX/Solaris/AIX/Linux) System Administrator 
data centre size: ~200 HP-UX, ~250 Solaris, ~2000 Linux (SLES)highly automatized linux environment, extremely heterogeneous datacenter remote OS support for a dedicated customer: BMW (automotive) occasional on duty for Deutsche Post/DHL (logistics), DEKA Bank (banking sector) giving lectures about high availability clusters and scripting/automation maintaining/developing the automation mechanism through scripts business critical highly available systems: ServiceGuard on HP-UX and Veritas Cluster Server & VxVM on Solaris and Linux systems Business Copy automation on HP XP arrays cooperating in offline SAN migrations troubleshooting of OS related problems telephone assistance at HW replacements, working in shifts and on-duty 
2010 – 2011

Invigor Informatika Ltd.IT
Systems Engineer 
HW/SW support for ~200 HP servers, mostly blades, ~300 Sun/Oracle different kind of storage systems from entry level HP P2000 through HP EVA P6500 to high-end Hitachi USP-V arrays HP hardware support for OTP Bank Hungary (banking sector), on duty Business Copy automation on HP P6500 presales activities and system planning for several customers, among them MOL Plc. (petroleum industry), MVM PA Zrt. (nuclear industry) planning and installing HP-UX HA and virtualization solutions deploying new servers (mostly HP blades) developing various hardware inventory scripts for customers, automation through shell scripts, interaction handling with expect HW and SW troubleshooting, OS performance tuning 
2011 – 2012

VMware International Ltd.
German Speaking Technical Support Engineer
Main products: vSphere 4.1 / 5.0 / 5.1 / 5.5 Infrastructure support for mid-market and enterprise German companies Virtual Storage Appliance SME Internal trainings about new features (vSphere 6, VSAN) | 2012 – 2015

Vodafone Group Services GmbHUNIX engineerMain products: RHEL 5 / 6 / 7, vSphere 5.5 / 6.0 Support the deployment of the underlying infrastructure for Vodafone Private Cloud Delivery and support of virtualized systems on vSphere platform Getting awareness about the Private Cloud infrastructure while being fine-tuned by VMware Professional Services Streamlining the Vodafone Germany Managed Hosting build process Providing third line vSphere support for engineers in Bucharest and India Received Vodafone Cloud Star Award for agile mindset & strong team player skills 
2015 – 2016

Vodafone Group Services GmbH
Cloud Platform Engineer
Main products: RHEL 6 / 7, vSphere 6.5 / 6.7, Cisco UCS Responsibility for core build process documentation within Germany Elaborating automated deployment processes via JSON Providing third line support for the Private Cloud infrastructure globally Working out the onboarding guidelines for a new tenant within Vodafone Private Cloud based on Cisco UCS blades Mentoring second line engineers in complex tasks Planning and coordinating SSL certificate replacements globally Troubleshooting NSX and VXLAN related connectivity issues Troubleshooting vRA/vRO related deployment failures Supporting agile dev team implementing Zerto in Vodafone Private Cloud Trusted advisor concerning VMware technologies Received Vodafone Cloud Star Award the second time for outstanding documentation skills and value-added contribution to key projects 
2016 – Aug 2019

vBALOGH Consulting - Freelancer @ IBM
VMware consultant
Main products: vSphere 6.7, Cisco UCS Providing guidance on virtualization related topics for a greenfield IT project throughout the design and build to drive a successful project Working on actual implementation of the various components 
Sept 2019 – Nov 2019

vBALOGH Consulting - Freelancer @ ITZBund (Zensus 2021)
VMware & Linux consultant
Main products: vSphere 7.0, SUSE Linux Enterprise Server 12 Taking part in the design, implementation and the operation of a highly secured virtualized environment for a public sector project Establishing baselines and standards according to vendor best practices, including documentation and knowledge transfer Troubleshooting complex network, storage and compute related issues Involvement in hardening and security auditing related topics as trusted advisor Subject matter expert for various topics such as vSphere, AIDE, monitoring (CheckMK), LDAP and scripting Automation of various tasks via bash and PowerCLI 
Mar 2020 – Oct 2022

vBALOGH Consulting - Freelancer @ Sabbatical w/ family
Planned sabbatical leave until August 2023 
Nov 2022 – August 2023

vBALOGH Consulting - Freelancer @ ITZBund
Linux and Application consultant
Main products: Java/Tomcat/Apache on top of SLES 15, RHEL7/8/9, Ubuntu 18/20/22 Application deployment on various Linux platforms Scripting and automation to enhance repetitive tasks Troubleshooting and performance analysis of the application stack Patching and release management of Java and PHP applications 
Aug 2023 – present

vBALOGH Consulting - Freelancer @ HZD
NSX / VCF / RHEL Consulting
Software Design Network, Architecture Design & Build, Troubleshooting of complex systems based on technologies like NGINX on RHEL, Checkpoint, OPNsense and VCF portfolio with NSX and AVI Load Balancer
Oct 2023 - present

EDUCATION

Eotvos Lorand University – Computer Science Faculty     
Institution change       
Main subjects: Unix & Linux, mathematics, logic, programming, scripting
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Szent Istvan University – Faculty of Mechanical Engineering     
Bachelor of Science degree in Communication Techniques Engineering     
Main subjects: information technology, mathematics, electronics, mechanics     
Award-winning diploma: Virtual tour at the University 
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Cork Institution of Technology Ireland     
Master of Science in Cloud Computing with First Class Honours     
Main subjects: Data Centre Networking, Scripting for System Administrators,      Data Analytics, Cloud Strategy Planning and Management      Research Project: OS-specific tuning and benchmarking of Hadoop clusters
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PROFESSIONAL STUDIES

HP-UX Sysnet I course | February 2008
HP-UX Sysnet II course | March 2008
HP-UX Sysnet III course | April 2008
ITIL v3 Foundation course  | March 2009
Solaris System Administration for Experienced Unix Administrators | March 2010
HP-UX LVM and MirrorDisk/UX H6285S | November 2010
HP-UX ServiceGuard H6487S | November 2010
Industry Standard Architecture and Technology (HP) | February 2011
HP Proliant Server Blade Family Technical Training | March 2011
Oracle Database 11g: Data Warehousing Fundamentals | November 2011
Managing HP Enterprise Virtual Array | March 2012
Oracle Database 11g 2 Day  DBA Workshop | August 2012
Red Hat RHCE Rapid Track Course | October 2012
VMware vSphere 5 Install, Configure & Manage | November 2012
VMware Site Recovery Manager 5.8 Install Configure & Manage | October 2014
VMware vSphere 6 Install Configure & Manage (VMW internal pre-GA) | March 2015
VMware NSX Install Configure & Manage [v6.1] | September 2015
VMware Cloud Orchestration and Extensibility [v6.1] | October 2015
Red Hat Performance Tuning RH442 | October 2015
VMware vRealize Automation: Install Configure & Manage [v6.2] | November 2015
EMC VNX Unified Storage Management | March 2016
EMC Symmetrix VMAX Storage Management | June 2016
Red Hat Enterprise Linux 7 RHCE Certification Lab RH300 | October 2016
VMware Cloud Orchestration and Extensibility Custom Training [v7.1] | May 2017
VMware vSphere: Troubleshooting Workshop [v6.5] | September 2017
VMware vSphere: Optimize and Scale [v6.5] | November 2017
VMware vRealize Operations: Install, Configure, Manage [v6.2] | December 2017
VxBlock Administration and Management | July 2018
VMware vSphere: Design Workshop [v6.5] | September 2018
VMware NSX: Troubleshooting and Operations [V6.4] | December 2018
Big Data Foundation Vodafone internal training | January 2019
VMware vSAN: Deploy and Manage 6.7 | February 2019

CERTIFICATIONS

HP-UX 11i v3 Certified Systems Administrator | October 2008
Certification in ITIL v3 Foundation | March 2009
HP-UX 11i v3 Certified Advanced Systems Administrator | June 2009
HP-UX 11i v3 Certified Systems Engineer | October 2009
Oracle Certified Professional Solaris 10 System Administrator | October 2010
APS – HP Bladesystem Solutions | March 2011
Oracle Linux Certified Implementation Specialist | July 2011
Oracle Database 11g: SQL Fundamentals | August 2011
Oracle Database 11g: Data Warehouse Certified Impl. Specialist | January 2012
Implementing HP StorageWorks EVA Solutions | April 2012
CloudU Cloud Computing Certificate | July 2012
Red Hat Certified System Administrator RHEL6- RHCSA | October 2012
Red Hat Certified Engineer RHEL6- RHCE | October 2012
VMware Sales Professional | November 2012
VMware Certified Professional 5 – Data Center Virtualization | September 2013
Red Hat Certified System Administrator RHEL7- RHCSA | December 2016
Red Hat Certified Engineer RHEL7- RHCEVMware vSphere 6 Foundations ExamVMware Certified Professional 6.5 - Data Center Virtualization | December 2016December 2017April 2019
VMware Certified Professional 6 - Network Virtualization | May 2019
VMware Certified Professional 7 - Cloud Management and Automation | June 2019
VMware vSAN Specialist | July 2019