Başar Yumakoğulları

Network and Security Associate Specialist @ Takasbank - İstanbul Takas ve Saklama Bankası A.Ş.

About

As a motivated and detail-oriented cybersecurity professional at the beginning of my career, I bring a strong foundation in computer science and hands-on experience from security-focused environments. My background in operating systems, network infrastructure, and security automation, supported by programming and scripting skills, enables me to approach challenges with both analytical rigor and practical problem-solving. I stay highly curious and continuously track emerging attack techniques and technological advancements to keep my perspective current. What drives me most is identifying vulnerabilities, understanding systems at a deep level, and contributing to meaningful security improvements. I’m excited to grow within a dynamic cybersecurity team, applying my discipline, documentation-driven mindset, and motivation to protect systems and help build resilient, forward-thinking security solutions.

Country

City

Türkiye

Industry

Higher Education

Skill

Technical Support, Spoken English, Problem Solving, Unix, Information Technology, Analytique, Cybersecurity, Network Security, Analytical Skills, Dynamic Routing, Routing, Cisco Routers, LAN Switching, Network Administration, Teamwork, Yüzme, Piyano, İngilizce, Araştırma, İletişim

Experience

Network and Security Associate Specialist

Takasbank - İstanbul Takas ve Saklama Bankası A.Ş.

2025-8 - Present · 1 yr 1 mo

Istanbul, Türkiye

Network and Security Intern

Takasbank - İstanbul Takas ve Saklama Bankası A.Ş.

2024-10 - 2025-8 · 11 mos

Istanbul, Türkiye

Network and Security Intern

Takasbank - İstanbul Takas ve Saklama Bankası A.Ş.

2024-8 - 2024-9 · 2 mos

İstanbul, Türkiye

- Designed and configured a network topology from scratch in a lab environment to establish redundancy between two organizational locations. - Utilized Cisco vIOS Switches and Cisco IOS C7200 routers, implementing VRRP protocol with IPSLA tracking mechanism, alongside iBGP and eBGP routing protocols, to ensure high availability. - Conducted disaster recovery testing and successfully optimized network downtimes, enhancing overall resilience and recovery times.

Cybersecurity Intern

TAV Technologies

2024-9 - 2024-10 · 2 mos

Istanbul, Türkiye

- Developed a corporate network simulation using VMware Workstation with IBM QRadar CE for SIEM, pfSense for firewall management, and Windows Server 2016 as the Domain Controller, eﬀectively demonstrating network management, security, and user access controls.

CS102 Teaching Assistant

Özyeğin University

2023-3 - 2023-6 · 4 mos

İstanbul, Türkiye

- Assisted the course instructor in organizing the lab sessions for the CS102 course. - Aided students in completing their lab assignments. - Provided guidance and answered questions from students regarding object-oriented programming (OOP).

Communications Sub-Team Member

OzU Rover Team

2023-1 - 2023-6 · 6 mos

İstanbul, Türkiye

Android Geliştirici

Co-Park

2022-1 - 2022-10 · 10 mos

İstanbul, Türkiye

Promoter

Özyeğin University

2022-6 - 2022-7 · 2 mos

İstanbul, Türkiye

Coordinated daily shift schedule of the promotion team in campus. Informed candidates about education and social life at Ozyegin University. Answered detailed questions about education at Ozyegin University.