Calin Chiorean

Current

Network Engineer at Infineon Technologies

Past

IP Consulting for Project Integration and Technical Assistance at Siemens
IT Manager at Aliat-Mercedes
Network Engineer at Romania Data Systems

Network Administrator at Romania Data Systems
Technical Support at Romania Data Systems

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Education

Almeda University
Economic National College

Recommended

5 people have recommended Calin

Connections

97 connections

Industry

Information Technology and Services

Calin Chiorean’s Summary

Networks Engineer: TCP/IP, Routing (RIP, RIPv2, EIGRP, OSPF, IS-IS, BGP), Switching (VLAN, VTP,STP,MLS,CEF), Security (Unix based firewall iptables, AAA, Cisco PIX and ASA), VPN (PPTP,IPsec, Cisco VPN), Quality of Services (Cisco, Linux traffic control, HTB), Management & Auditing Tools (SNMP, Nagios, MRTG), LAN / WAN / WLAN (Ethernet, ATM, STM, PPP, PPoE, ISDN, Frame Relay, xDSL, E1/T1, OFDM, 2.4 Ghz, 3.5Ghz), Telecommunication (GSM & UMTS networks, GPRS, 3G, HSDPA data packets), Network Cabling Systems

System Administrator: Linux (Slackware, Fedora, Redhat, Debian), Solaris,Windows 9x, NT, 2000, XP, SBS; E-mail (Qmail, Sendmail), Web (Apache, IIS), Proxy (Squid), Database (Mysql)

Hardware that I worked with in installation, configuration and troubleshooting: Cisco, Linksys, Siemens, HP, Alvarion, Riverbed, BlueCoat, 3COM, Avaya

Other competences: Graphics (Adobe Photoshop), Productivity Tool (AutoMaster ERP)

Calin Chiorean’s Specialties:

Cisco Certified Network Association (CCNA) Certification
Cisco Certified Network Professional (CCNP) Certification
Linux Professional Institute Certification (LPIC-1)
Exams:
640-801 CCNA
642-801 BSCI
642-811 BCMSN
642-821 BCRAN
642-831 CIT
350-001 CCIE Written

Calin Chiorean’s Experience

Network Engineer

Infineon Technologies

(Public Company; 10,001 or more employees; IFX; Semiconductors industry)

June 2007 — Present (2 years 6 months)

The job as Network Operations Center (NOC) Engineer suppose permanent contact with Infineon global network. Daily tasks implies develop of new solutions for better communication and speed with high degree of security, implement worldwide secure configuration, deploy of new equipment configuration, maintenance and monitor of devices, troubleshooting and documentation of incidents. My daily job assume work with the latest network technology like MPLS, VPN, BGP, IS-IS, OSPF, EIGRP, CEF, VRF, STP, SPECTRUM and hardware brands like Cisco, BlueCoat and Riverbed.
IP Consulting for Project Integration and Technical Assistance

Siemens

(Public Company; 10,001 or more employees; SI; Telecommunications industry)

April 2006 — June 2007 (1 year 3 months)

Project planning, integration and technical assistance. Maintain and troubleshoot network Cisco equipments.On-site support for worldwide customers. Testing solution for mobile data network GPRS, 3G, HSPDA. Technical Support for IPS systems based on Cisco hardware and Sun Solaris. During this time I was involved in different project world-wide for customers like: T-mobile Croatia, T-Mobile Slovakia, Vodafone Romania. Very well understanding of GPRS core network including control flow, data path and charging path, for off-line tickets CDR and on-line tickets Siemens solution.
IT Manager

Aliat-Mercedes

(Privately Held; 51-200 employees; Automotive industry)

February 2006 — April 2006 (3 months)

Develop, implement and maintain network between the corporate branches. Implement ERP software AutoMaster. I trained 25 people team for working with the AutoMaster software.
Network Engineer

Romania Data Systems

(Privately Held; 1001-5000 employees; Telecommunications industry)

November 2004 — February 2006 (1 year 4 months)

Plan and install backbone for metropolitan area network.Implement and maintain back-up connections for the metropolitan backbone ring. Troubleshoot network problems.
Develop monitor tool, based on SNMP protocol, for monitoring the metropolitan and national network traffic, and in the same time equipments and clients connected to this network. This monitor tool include Weathermap, MRTG, Rrdtool and other network monitor tools develop "in-house" by me and technical department.Very well understanting of routing protocols mainly OSPF,BGP, RIP, but also EIGRP,IGRP,IS-IS.Work daily with switching technology like VLAN,VTP,CEF,MLS,STP.
Network Administrator

Romania Data Systems

(Privately Held; 1001-5000 employees; Internet industry)

February 2003 — November 2004 (1 year 10 months)

Network administration (wired and wireless).Implementation of new technology. Maintenance of the wired and wireless systems. Development of new solution desire to help team monitor the network. Team leader and trainer for new employees.In this period I understand and work with the wireless equipments supporting DSSS, FHSS,OFDM modulation.I gained experience installing and maintaining wireless antennas in 2.4Ghz, 3.5Ghz and 5.4Gz spectrum.
Technical Support

Romania Data Systems

(Privately Held; 1001-5000 employees; Internet industry)

April 2002 — February 2003 (11 months)

Helpdesk & phone customer support. Find fast and practical solution at the customer problems.During this position held I understand very well the OSI layer, routed protocols, mainly TCP/IP.I worked with Ethernet, Fiber Optic, dial-up and leased lines, E1.I gained experience understanding the customers needs and how to deal with t heir problems