Zoltan Vilmos Molnar Email & Phone Number

Budapest, Hungary

Budapest, Hungary

Budapest, Hungary

Budapest

Hungary

Hungary

Hungary - Budapest

Operating VF-HU Packet Switched Service Core NetworkMobile techology:- 3GPP Releases Protocol skills:- IPv4, IPv6 (TCP, UDP, SCTP)- Diameter- Radius- SS7- SigTran- GTP- RANAP- S1AP- SIPPS Core related systems:- Tekelec/Oracle PCRF platform- Tekelec/Oracle SDM platform- Starent ST40 / Cisco ASR5000 platform, Cisco ASR5500 platform (SGSN, GGSN, MME, S-GW, PDN-GW services)- Network Function VirtualizationPS Core related service logic:- Policy & Charging expert (Policy development, deployment, troubleshooting)CS Core related systems:- Nokia CSDB (HLR, HSS frontend, provisioning)OSS skills:- HP Openview- SNMP- Netscout (Tektronix)- CS and PS NastarMain projects: - System upgrades of PS Core elements (PCRF, SDM, SGSN, MME, GGSN, S-GW, PDN-GW)- Data on any device projects - PCRF implementation, Subscriber profile mass migration- LTE introduction- PCRF, SDM hardware swap- Installation/Configuration of Redhat cluster suite based PS Core reporting cluster- Administration tools development (Perl, Shell, PHP based)- Development of SDM <-> Billing system subscriber profile reconciliation process and tools- Development of LTE signalling monitoring software, based on open source tools (S1-MME, S8, S6a, S11, SGs interfaces)- Development of PS Roaming service statistics and alarming tool- Development of Cisco ASR5x00 bulkstats KPI monitoring and alarming tool- Cisco ASR5000 to ASR5500 hardware swapI've set myself to:I'm interested to learn all aspects of IMS / VoLTE (development, deployment, operations). I've stared my own project in 2016 to install and deploy an open source based IMS test system to test VoLTE service on VFHU LTE network and to gain experience for the commercial deployment.

Hungary - Budapest

Operation of value added messaging services:- Nokia SMS Center- SMS Gateway, SMS applications and services- MMS service (MMS MTA, Nokia WapGW and Push Proxy gateway)- Value Added messaging platform- Message Delivery platform- Comverse Voicemail platform- HP/Speechdesign NextGen Voicemail platform- Bon Voyage / Welcome SMS service- Welcome MMS service- SMS Home router - HLR Query service- Intelligent Call Asistant service- Managed roaming service- Global short code systemOperation of PS Core elements and services:- Tekelec (Oracle) PCRF Platform- Tekelec (Oracle) SDM Platform- Bytemobile/Citrix Internet Optimizer platform- Ericsson Multi Mediation platformOperation of IT related systems:- Corporate LDAP server (Sun Directory server, later Redhat Directory server)- Oracle 11g Real Application Cluster database- VMWare ESX virtualization platform- Sun (Oracle) Solaris 9, 10, Redhat Enterprise Linux based operating systems- Clustering technologies: Veritas Cluster, Redhat Cluster, Sun ClusterHardware skills: - Sun (Oracle) sparc, x86 based servers, Blade6000, Storedge- HP DL 380G5 - G8 servers- Dell PowerEdge servers - EMC storages- IBM BladeCenter E, H- Supermicro serversMain projects: - Telecom system upgrades (Ericsson Multi Mediation, Nokia SMSC, Nokia WapGW, Tekelec PCRF, SDM, Bytemobile optimizter)- NextGen Voicemail migration- Messaging services SS7 -> SigTran migration- Data reshape projects - PCRF business logic implementation, SPR introduction- Development of REST API based SDM provisioning proxy server

Hungary - Székesfehérvár

IT field - IT Systems Engineer(from 2004 August - 2008 July Sanmina-SCI, later 2008 July - 2010 March Foxconn - PCE Paragon Solutions Ltd.)Skills / tasks:- Hardware skills: HP DL, ML servers, IBM x-Series, p-Series servers, IBM and HP storages, Nortel Baystack switches, Nortel Passport L3 switches, Cisco Catalyst switches, Cisco Routers, Cisco PIX and ASA firewalls, IBM VXA-3 and HP LTO-3 tape libraries)- Microsoft servers installation, integration and administration (Exchange, Active Directory, File server, printing services, clustering, MSSQL)- Unix and Linux system installation, integration and administration (IBM AIX, Red Hat Linux)- Internal applications development (PHP, Perl, Shell scripting)- Oracle 9i and MySQL administration- Production IT systems operation (Production data collection, Logistics systems, EDI)- Network engineering and operations (Nortel, Cisco switching, routing, Wireless LAN, Nortel Contivity VPN)- IP based Network printing support (HP Jetdirect, CUPS, Zebra and Apollo label printers, HP laserjet printers)- Nexon Payroll system administration- Backup and restore (BackupExec, Brightstore ArcServe, HP Dataprotector)Main projects:- Novell eDirectory to NT Domain migration (support)- NT Domain to Active directory migration (planning and supporting)- Planning and building of IT production data collection infrastructure for: Acer, IBM, Lenovo, HP desktop, server, laptop productions- Introducing of SOX404 IT policy- IT/Network Security audits, DRP planning and tests- Network Office / production VLAN separation and routing configuration- Production wireless network for wireless scanners planning and installation- Creating and introducing web based IT account and equipment request tool (replacing paper based request)- Sanmina-SCI to Foxconn IT systems transition- Development of web based IT Inventory tool with remote page count feature for HP Jetdirect based LAN printers

Hungary - Győr

System integration and administration for partner companies- Windows based office systems support- Networking support- Linux and windows servers installation- Backup and restore- Printing support- User support

Hungary - Győr

Practice lesson leader for Network Operation Systems (Unix) course R&D: - Wireless LANs (3COM Wireless LAN)- VoIP: 3COM and Cisco VoIP systems- IP QoS: Traffic shaping and queuing with Linux kernel traffic control- IP Security:IDS and IPS systems (Honeypot, Snort, Snort Inline, IPTables, EBTables, Bridging firewall development)

Bsc, Electronical Engineering / Telecommunication / Informatics

Activities and Societies: KTMF Studio

Telecommunications Technician, Electrical, Electronic And Communications Engineering, Technician