![HUSEYIN PELEK Cover](https://jobicy.com/data/server-nyc0409/galaxy/mercury/covers/8da987c61b58-69914.webp) HUSEYIN PELEK # Network Security Specialist Location Istanbul, TurkeyDesired Salary UnspecifiedWork preference Hybrid / Full TimeLinksNot setStatus Open to offers Field / Industry Cybersecurity * SharePreferences:Job Level: SeniorRelocation: Open to relocateNotice Period: ImmediateCategory: CybersecuritySkill Assessments:This user has not passed any tests yet Languages: Turkish - Native or Bilingual English - Upper-Intermediate Report [Overview](#overview) ## About Me Dedicated and highly skilled Network Security Specialist with 12 years of experience designing, implementing, and managing cybersecurity solutions. Expertise includes network security fundamentals, firewall management, incident response, digital forensics, threat mitigation, network protocols, and security tools. Strong collaborator with experience across cross-functional IT and DevSecOps teams. ## Skills ### [Linux](https://jobicy.com/talent/linux.md)[Cybersecurity](https://jobicy.com/talent/cybersecurity.md)[Incident Response](https://jobicy.com/talent/incident-response.md)[Network Security](https://jobicy.com/talent/network-security.md)[PCI DSS](https://jobicy.com/talent/pci-dss.md)[Vulnerability Assessment](https://jobicy.com/talent/vulnerability-assessment.md)[BGP](https://jobicy.com/talent/bgp.md)[Digital Forensics](https://jobicy.com/talent/digital-forensics.md)[Wireshark](https://jobicy.com/talent/wireshark.md)[OSPF](https://jobicy.com/talent/ospf.md)[Nmap](https://jobicy.com/talent/nmap.md)[MPLS](https://jobicy.com/talent/mpls.md)[VLAN](https://jobicy.com/talent/vlan.md)[SD WAN](https://jobicy.com/talent/sd-wan.md)[Fortinet](https://jobicy.com/talent/fortinet.md)[Juniper](https://jobicy.com/talent/juniper.md)[SNMP](https://jobicy.com/talent/snmp.md)[Cisco ASA](https://jobicy.com/talent/cisco-asa.md)[Routing And Switching](https://jobicy.com/talent/routing-and-switching.md)[Tcpdump](https://jobicy.com/talent/tcpdump.md)[Checkpoint](https://jobicy.com/talent/checkpoint.md)[Wazuh](https://jobicy.com/talent/wazuh.md)[FreeIPA](https://jobicy.com/talent/freeipa.md)[MISP](https://jobicy.com/talent/misp.md)[RIP](https://jobicy.com/talent/rip.md) ## Education Denizli High School Sep 1997 - Jun 2000 High School Diploma, Equal-weighted ## Experience Senior Network Security Specialist @ BALTA GRUOP Feb 2026 - Present Leading enterprise network security architecture and firewall policy management for a multi-site environment. Designing and implementing network segmentation strategies using VLAN, SD-WAN, and Zero Trust principles. Overseeing threat detection and incident response workflows across the organization. Network Security Specialist @ KAREL May 2025 - Feb 2026 Managed firewalls to protect network infrastructure and enforce security policies. Deployed and administered open-source security tools including Wazuh, FreeIPA, MISP, and RADIUS. Implemented IAM solutions and authentication services. Network Security Specialist @ ALB Nov 2024 - May 2025 Administered and optimized five FortiGate firewalls. Deployed CrowdStrike XDR, configured BGP-based WAN redundancy, performed Linux kernel updates, executed vulnerability scans, and implemented NAC with FortiSwitch and NPS. Network Security Specialist @ Freelancer May 2022 - Aug 2024 Maintained network security using Juniper, Cisco ASA, Cisco ACS, Fortigate, Palo Alto, and Check Point. Executed firewall and network migration projects and implemented Fortigate SD-WAN. Cyber Security Consultant @ Yaz Information Systems Jul 2021 - Mar 2022 Provided cybersecurity consulting and guidance to improve information security. Collaborated with cross-functional teams to implement security measures and compliance standards. Managed Cisco ISE for LAN and WiFi networks. Network Security Team Lead @ Robit Technology Jan 2021 - Jun 2021 Led a team responsible for network security operations and protection of critical assets. Implemented and managed Cisco ISE for LAN and WiFi networks. Network Specialist @ Turktelekom Jul 2019 - Jan 2021 Provided support for Turkey-wide intranet networks. Configured routers and switches and used routing and switching protocols to optimize performance and security. Network Specialist @ RBSS Jul 2018 - Nov 2018 Managed data center network and security operations. Installed Microsoft NAC and configured Cisco switches to improve access control and network security. Network Security Specialist @ Cardtek Group Nov 2016 - Jun 2018 Implemented and managed Palo Alto and Juniper SRX firewalls. Deployed Citrix NetScaler, designed BGP multihoming, managed disaster recovery, configured IPSec VPNs, and supported PCI DSS compliance. Network Security Specialist @ Team Technology Aug 2015 - Sep 2016 Provided customer network support and managed firewall migrations across Check Point, Palo Alto, Juniper, and Fortigate platforms. Network Specialist @ Netas / BDH Jun 2014 - Jul 2015 Provided LAN, WAN, and WiFi support and collaborated on network and WiFi projects using Cisco technologies. Network Security Expert @ Turktelekom Feb 2013 - May 2014 Managed UTM systems on Ministry of National Education networks using FortiManager and FortiAnalyzer platforms. Network Support Specialist @ Neocom Technology Feb 2012 - Jan 2013 Led project network installation and management for multiple sites and provided dedicated network support for Galatasaray Turktelekom Arena. Network Specialist @ Bimel Network Jul 2010 - Jan 2012 Provided network and system support, configured routers and switches, documented projects, supported WLAN users, and managed wireless access controllers. Information Technology Specialist @ Oyak Technology Jul 2009 - Jun 2010 Supported the INGBANK MPLS transition project, managed information processes, configured and tested offsite ATM routers, and contributed to a Land Forces Brigade project.