Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Sinan Oztekin

Sinan Oztekin

ANKARA

Summary

· Extremely knowledgeable of multi vendor networks as well as their installation and maintenance

· Problem solving skills needed to troubleshoot and repair network issues

· Capable of training employees on the use of the network

· Efficient in time management and able to multitask

· Experienced in setting up a secure network to maintain confidentiality security precautions

Overview

16
16
years of professional experience
1
1
Certificate

Work History

Network Administrator

Republic Of Turkey Ministry Of Justice
01.2021 - Current

Performing as Network Team Leader . Designing and troubleshooting Network infrastructure.

Network Specialist

Turk Telekom
04.2016 - 01.2021

Designed Network Topologies in coordination with different Departments of Turk Telekom. Prepared HLD ( High Level Design ) Documents related with Core Infrastructure

Network Administrator

Republic Of Turkey Ministry Of Justice
01.2009 - 04.2016

· Built and maintained approximately 150.000 host based Ministry Of Justice WAN and LAN Networks. This network is built to make work “National Judiciary Information System” software application for a paperless environment in all kind of courthouses around Turkey. Designed and established new network technologies based on MPSL connections. Migrated from xDSL copper connections Türk Telekom SP to Superonline SP. Migrate from xDSL copper connections to MPLS based fiber optic topology ( TTVPN ). Hardened network security and data with certification based IPsec and TACACS+ configuration. Built 3-G connections as backup connection. Maintained integration connections between other institutions and Ministry Of Justice. Attended to all employee needs and concerns regarding the network. Troubleshooted issues with the network in order to make it run more efficiently and to avoid future problems

Established IPSec Connections between Branch Offices and Data Center

System Engineer

SEKOM
08.2008 - 01.2009

Established IP Based Digital TV Headends for Türksat Teledünya Project in different cities of Turkey

System Engineer

ONS Communications
07.2007 - 08.2008

Worked as Drive Test Engineer to check GSM Base Stations. Controlled swap operations of Base Stations for 3G communications. ONS was working for VODAFONE GSM company.

Education

Master of Science - Electrical, Electronics And Communications Engineering

ANKARA UNIVERSITY, ANKARA - TURKEY

Skills

  • Network Security Management
  • Firewall Management
  • LAN and WAN Control
  • Diagnosis and Troubleshooting
  • Wireless Access Point
  • EIGRP Routing
  • BGP Routing
  • VoIP Systems
  • IP Addressing and Subnetting
  • Router Installation and Optimization
  • Critical Thinking and Analysis
  • Network Intelligence
  • Automation Management

Certification

  • CCIE - Cisco Certified Internetwork Expert ( Enterprise Infrastructure )
  • CCNP - Cisco Certified Network Professional ( Enterprise Infrastructure )
  • CCNA - Cisco Certified Network Associate ( Enterprise Infrastructure )


Languages

Turkish
Native language
English
Advanced
C1

Timeline

Network Administrator - Republic Of Turkey Ministry Of Justice
01.2021 - Current
Network Specialist - Turk Telekom
04.2016 - 01.2021
Network Administrator - Republic Of Turkey Ministry Of Justice
01.2009 - 04.2016
System Engineer - SEKOM
08.2008 - 01.2009
System Engineer - ONS Communications
07.2007 - 08.2008
ANKARA UNIVERSITY - Master of Science, Electrical, Electronics And Communications Engineering
Sinan Oztekin