Barbaros Baş, Developer in İstanbul, Turkey
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Barbaros Baş

Verified Expert  in Engineering

Security Architect and Systems Developer

İstanbul, Turkey

Toptal member since December 27, 2022

Bio

Barbaros is a Certified Information Systems Security Professional (CISSP) and AWS Certified Solutions Architect with a strong background in disaster management. He worked with the largest ISP networks in the country (30+ million subscribers) to secure backbone infrastructure and customer networks. Barbaros has 17 years of experience in secure network design, operations, and implementation. He has troubleshot and configured security devices and developed CRM, network, and security-based software.

Portfolio

A10 Networks
SSL, DDoS, Load Balancers, HTTPS, Scripting
T. Garanti Bankas? A.S.
Zero Trust, Network Design, Security Architecture
Turkcell
Scripting, Security Architecture, Security Planning, Automation

Experience

  • DDoS - 10 years
  • Firewalls - 10 years
  • Load Balancers - 7 years
  • SSL - 7 years
  • Security Architecture - 6 years
  • Automation - 4 years
  • Amazon Web Services (AWS) - 3 years
  • Cloud - 3 years

Availability

Part-time

Preferred Environment

Load Balancers, Intrusion Prevention Systems (IPS), SSL, DDoS, Cloud, Amazon Web Services (AWS), Unified Threat Management (UTM), HTTPS, IPsec, Security Architecture

The most amazing...

...project I've delivered was the implementation of secure infrastructure to ISP networks.

Work Experience

Senior System Engineer

2021 - PRESENT
A10 Networks
  • Implemented security solutions (SSL, DDOS, load balancer) for enterprise customers (finance, government, eCommerce).
  • Developed automation scripts for a new installation and operation.
  • Trained the new customer on implementation and operations.
  • Met with customers to understand their current technical environment, key business issues and drivers, and future technology requirements.
  • Reviewed and analyzed new products and compared similar competitor products.
  • Designed low-level and high-level security projects.
Technologies: SSL, DDoS, Load Balancers, HTTPS, Scripting

Senior Security Architect

2020 - 2021
T. Garanti Bankas? A.S.
  • Created micro-segmentation of the banking network infrastructure.
  • Conducted zero trust network access research to implement the infrastructure.
  • Redesigned the security network based on the new security requirements.
Technologies: Zero Trust, Network Design, Security Architecture

Senior Security Architect

2013 - 2020
Turkcell
  • Developed Python, Java, and PHP-driven software for DDoS and Firewall automation.
  • Designed the network architecture and integrations for security devices.
  • Assessed, reviewed, and improved risk, business continuity, and disaster recovery plans.
  • Managed fault isolation and root cause analysis for customer problems.
  • Implemented new devices to secure infrastructure.
Technologies: Scripting, Security Architecture, Security Planning, Automation

Security Engineer

2005 - 2013
Türk Telekom
  • Managed, troubleshot, and configured security devices (DDoS, firewall, IPS, content filter, and load balancer).
  • Installed and administered network security solutions on customer premises.
  • Developed CRM, network, and security-based software for automation.
Technologies: Intrusion Prevention Systems (IPS), Content

Experience

Cloud DDoS Protection for ISP Backbone

The goal was to protect the ISP uplinks against saturation in case of high-volume DDoS attacks. I tested cloud DDoS service providers to find the best mitigation solution. We designed a network to implement the new solution.

Education

2009 - 2011

Master's Degree in Disaster Management

Istanbul Technical University - Turkey

2008 - 2010

Master's Degree in Business Administration

Maltepe University - Turkey

1999 - 2004

Bachelor's Degree in Electrical Engineering

Cukurova University - Turkey

Certifications

MAY 2020 - MAY 2023

AWS Certified Solutions Architect–Associate

Amazon Web Services

JULY 2016 - PRESENT

Certified Information Systems Security Professional (CISSP)

(ISC)²

Skills

Paradigms

DDoS, Security Software Development, Automation

Industry Expertise

Network Security

Languages

C#, Java

Platforms

Amazon Web Services (AWS)

Other

Firewalls, Load Balancers, Intrusion Prevention Systems (IPS), SSL, Unified Threat Management (UTM), HTTPS, IPsec, Security Engineering, Security, Communication, Disaster Recovery Plans (DRP), IT Security, Identity & Access Management (IAM), Risk Management, Data, Cloud Infrastructure, Cloud Services, Security Architecture, Content, Assets, Cloud, Electronics, Electric, Software, Networks, Administration, Scripting, Security Planning, Zero Trust, Network Design

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