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Hi, I am Baris

Baris Aygun

Network and Security Engineer at Allianz

Initiative and solution-oriented Network and Security Engineer with over 5 years of experience in designing and implementing scalable and secure infrastructures. 3x AWS Certified with expertise in cloud migration, automation and secure network architectures. Achieved high customer satisfaction through proactive solutions and guided colleagues for best practices. Participated in large, medium and small enterprise network and security projects.

AWS Certified Security - Specialty
AWS Certified Solutions Architect - Professional
AWS Certified Advanced Networking - Specialty
Cisco Certified DevNet Associate
Cisco Certified Network Professional Enterprise (CCNP Enterprise)
Citrix Certified Associate - App Delivery and Security (CCA-AppDS)

Experiences

1
Allianz

August 2022 - Present

Remote, Turkey

Network and Security Engineer

August 2022 - Present

Responsibilities:
  • Entrusted with design, installation, management and monitoring of Allianz Turkey Network and Security Infrastructure related hardware and software.
  • Enhanced monitoring and logging systems with AI Agent to reduce incident identification time by increasing alert accuracy, resulted in reduction of intervention time.
  • Automated tasks with Ansible Automation Platform and Atlassian which led to better ticket response time.
  • Lead third-party service providers, vendors and support services to apply up-to-date solutions for improvement of the network and security infrastructure and implementation of new projects on demand.
Neocom Communication Technologies

July 2021 - August 2022

Istanbul, Turkey

Network Engineer

July 2021 - August 2022

Responsibilities:
  • Designed, integrated and maintained various network infrastructures and devices e.g. Fortigate Firewall, Palo Alto Firewall, Cisco Switches, Aruba/HP Switches, Cisco ISE, Cisco WLC and Aruba WLC.
  • Troubleshooted, resolved, and recommended improvements for network and security problems.
  • Performed capacity and resource planning to evaluate existing network systems to recommend resources and maintain or expand as necessary.
  • Provide level 3 support to colleagues.
2
3
IBM Global Technology Services

January 2020 - July 2021

Istanbul, Turkey

Network Support Specialist

January 2020 - July 2021

Responsibilities:
  • Participated to the project led by the Turkey Ministry of Health, Basaksehir Cam ve Sakura hospital. Installed, configured and managed 1000+ switches, 2000+ APs, 2 Palo Alto firewalls in two data centers.
  • Contributed to the team for meet the SLA targets and support customers BAU operations.
  • Planned medium upgrades and performed with minimum supervision, e.g Check Point Firewalls, Fortigate Firewalls, Palo Alto Firewalls, Cisco Switches and Routers.
  • Supervised internal operation following IBM standards of security guidelines to be compliant in all metrics.

Education

Istanbul Kultur University
2014-2019
Computer Engineering | Bachelor's Degree
Graduation Project - Implementing HAProxy:
The project aims at setting up a HAProxy benchmark testbed on Linux servers (CentOS7) that are virtualized over the Oracle VM VirtualBox platform. The project involves following; The installation of the HAProxy in a corporate network topology consisting of a gateway router, extranet firewall, 3-tier application architecture including several web servers (Apache) that access database servers via application servers. Results in the demonstration of the high availability and the load balancing features of the setup.

Featured Posts

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Host your website with AWS Amplify

Hello, This is the first project post of my blog. On this post we are going to use AWS Amplify to host our website on AWS. AWS Amplify is simplified Cloudfront + S3 website hosting on AWS. With less issues we can host our static websites on AWS.

Sunday, September 7, 2025 Read