Cihan Çelik Email and Phone Number
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I am Cihan Çelik, with over 20 years of experience in Network, Network Security, and Cybersecurity. As of 2024, I am endeavoring to share this experience under my own venture, VisioSec. At VisioSec, we provide comprehensive cybersecurity services to help organizations protect their operations and businesses.
Visiosec
View- Website:
- visiosec.com
- Employees:
- 1
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Founder And Sr. Cyber Security ConsultantVisiosecİstanbul, Türkiye -
Founder & Sr. Cyber Security ConsultantVisiosec Mar 2024 - PresentIstanbul, Türkiye -
Global Solution ArchitectAdeo Cyber Security Mar 2024 - Aug 2024Istanbul, Türkiye -
Cyber Security Solutions ManagerAdeo Cyber Security Services Feb 2021 - Feb 2024Istanbul, Turkey -
Senior Solutions ArchitectAdeo It Consulting Services Apr 2019 - Feb 2021Istanbul, Turkey -
Solutions ArchitectProline Bilişim May 2016 - Apr 2019Istanbul, Turkey• Consulting customers about network and cyber security projects.• Re/Designing network topologies with security layer. (Nw Segmentation, FWs, WAFs, APTs, SSL Inspection, SIEM, etc.)• Supporting post-sales activites if needed.• Assist product management and sales to validate products and create solutions to customers.• Technically drives/leads Field Application Engineering team.• Create technical balance, common awareness and consciousness between sales, project management and product vendor.• Develop new solution ideas for potential customers. -
Network EngineerAirties Wireless Networks Sep 2010 - Apr 2016Istanbul, Turkey• Managing Internet infrastructure with different ISPs for redundancy. • Continuity of various DSL Lines• Managing global IT network infrastructures which run on all redundant Cisco, HP Procurve, Nexus7000 and 3com environments• Management of VLANs for each department and infrastructure zones• Maintenance of all physical layer environment.• Knowledge, administration and proven expert proficiency in designing, engineering, configuring, and maintaining of large enterprise firewalls such as Check Point, Fortinet, Juniper UTMs • Implementation and management of IPSEC tunnels of remote sites• Ensuring data security for both internal and external server and network areas• Implemantation backup/restrore environments and procedures• Ensuring a transcontinental, multilingual support for R&D and manufacturing operations• Management of SSL VPN environment• Management of LAN security with 802.1x on wired and wireless network• Implementation and management of network protocols (DHCP, DNS, Radius servers)• Managing network logs and reports• Managing SIPX based IP PBX infrastructure (UCAP) and IP Phones• Ensuring multilingual, 7/24 support for the distributed customer services operation• Consulting PBX system of Call Center (IN-IN)• Developing and maintaining all inhouse or 3rd party IT Network systems and programs• Monitoring all IT environment continiously• Reporting network status via monitoring tools (Nagios, Sflow, PCM, CP Report Tools)• Management of network and SAN infrastructure of HP Blade Server• Implementation of Fortigate and PaloAlto Security Devices • Build and maintain vendor relationships• Managing purchases of IT related hardware and software products• Presciently offering and initiating productivity related solutions for all departments of the company • Ensuring improvements in all areas of IT and network infrastructures for each IT related issues. -
Test EngineerAirties Wireless Networks Apr 2009 - Sep 2010Istanbul, Turkey• Processing sofware and hardware test scenarios on all old and new developed Airties products.• Generation test reports and following development process• Generating new test scenarios• Management of R&D network Infrastructure• Simulating ISP network environment on R&D network structure.• Implementing Test Automation Process• Managing DSLAM Infrastructure• Securing R&D network environment -
It ResponsibleErenet Bilisim A.S. Jul 2008 - Apr 2009Istanbul, TurkeyManagement of Abdi Ibrahim Drugs IT processes at Hadimkoy Factory• Maintenance of servers (Environmental Monitoring, AD, Production Systems, Barcode Systems)• Managing Network Processes• Managing Backup Processes• Ensuring Continuity of Network connected Office environment
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Technical Support EngineerAirties Wireless Networks Nov 2006 - Dec 2007Istanbul, Turkey• Providing 2nd and 3rd level support of Airties Products for end users• Making regression tests of Gateway devices• Reporting test results to R&D department• Ensuring the flow of information between Support department and R&D -
Technical SupportNtv Nov 2003 - Dec 2005Istanbul, Turkey• Contiunity of broadcasting• Implementation of Voice traffic from remote sites via ISDN Links• Automation of advertisements• First support for office PCs and environment
Cihan Çelik Skills
Cihan Çelik Education Details
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Geophysics Engineering
Frequently Asked Questions about Cihan Çelik
What company does Cihan Çelik work for?
Cihan Çelik works for Visiosec
What is Cihan Çelik's role at the current company?
Cihan Çelik's current role is Founder and Sr. Cyber Security Consultant.
What is Cihan Çelik's email address?
Cihan Çelik's email address is ci****@****ail.com
What is Cihan Çelik's direct phone number?
Cihan Çelik's direct phone number is +90 212 318 *****
What schools did Cihan Çelik attend?
Cihan Çelik attended Istanbul Technical University.
What are some of Cihan Çelik's interests?
Cihan Çelik has interest in Civil Rights And Social Action, Environment, Science And Technology, Human Rights, Animal Welfare.
What skills is Cihan Çelik known for?
Cihan Çelik has skills like Tcp/ip, Wireless Networking, Cisco Technologies, Network Security, Wireless, Sip, Ip, Telecommunications, Operating Systems, Windows Server, Linux, System Administration.
Not the Cihan Çelik you were looking for?
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Cihan Çelik
Chairman And Chief Executive Officer At Cihan Kimya Sanayi Ve Ticaret Limited ŞirketiIstanbul, Türkiye -
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Cihan Celik
Istanbul
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