Aron Gellen
Senior Security Engineer at Tesco Technology Hungary- Claim this Profile
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Bio
Experience
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Tesco Technology Hungary
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Hungary
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IT Services and IT Consulting
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1 - 100 Employee
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Senior Security Engineer
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Feb 2022 - Present
Having fun in the Cloud... : ) Having fun in the Cloud... : )
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SIA S.p.A.
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Italy
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Financial Services
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700 & Above Employee
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Senior Cybersecurity Engineer
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Dec 2019 - Oct 2021
Local Information Security Officer; Architecting PCI-DSS Local Information Security Officer; Architecting PCI-DSS
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IT Security Specialist
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May 2019 - Nov 2019
Architecting security controls and programs (CIS, NIST, ISO/IEC 27001) to mitigate identified cyber threats and IT security risks. Evaluating highly secure solutions to meet requirements and expectations. Architecting security controls and programs (CIS, NIST, ISO/IEC 27001) to mitigate identified cyber threats and IT security risks. Evaluating highly secure solutions to meet requirements and expectations.
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Senior Security Analyst
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Jun 2017 - Apr 2019
Defence with SIEM solutions: WAF, IDS/IPS, AntiDDoS;Cloud Security;Incident Response Coordinator (IRC) Defence with SIEM solutions: WAF, IDS/IPS, AntiDDoS;Cloud Security;Incident Response Coordinator (IRC)
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Security Operations Analyst
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Nov 2015 - Jul 2016
Defence of Amadeus Data Center;Recovery of Security Incidents;Participated in securing Amadeus Cloud
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Test Management Analyst
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Feb 2013 - Oct 2015
Coordinate and automate the preparation of test phase environments (Linux, VM, Database)
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ExxonMobil
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Oil and Gas
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700 & Above Employee
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SAP Basis Analyst
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Sep 2011 - Jan 2013
Daily activites: Administer archive and proxy serversProjects: Archive server migration from Unix to Windows platform Proxy server installation for archive servers on VMware
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Unix System Administrator
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Sep 2008 - Aug 2011
Daily activites: Administer up to 40 servers on Solaris, RedHat and HP-UXProjects: Server room migration Lead on design of network and functionality Coordinate unmount and mount steps of servers and clients File Server Upgrade File- and backup server creation with LUN architecture (EMC Clariion) Transfer and integrate data from filers to file servers Architektural Upgrade SUN E450 server upgrade to SUN V240, SUN V890 and HP DL380 architectures Authenitaction Migrate NIS to AD authentication on Solaris and RedHat platforms
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Education
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Budapest University of Technology and Economics
Engineer’s Degree, Electrical and Electronics Engineering