Work Experiences

Software Developer — Behin Afzar

Tehran, Iran · Feb 2024 – Jul 2024

Engineered a firewall in C using libpcap, parsing Ethernet, IPv4, TCP/UDP, DNS, and HTTP traffic at the packet level. Implemented rule-based filtering to allow or block connections based on domain names and CIDR ranges, while handling protocol headers and payload inspection. Built comprehensive logging and reporting to capture HTTP requests, DNS queries, and blocked traffic, with automated generation of firewall rules for operational integration.

Security Engineer — ShahrDI

Tehran, Iran · Jun 2021 – Feb 2024

Developed Python and Bash utilities to automate CVE tracking, patch verification, and server monitoring, streamlining vulnerability management. Built custom monitoring tools to analyze application and server availability, surfacing anomalies for operations and security teams. Collaborated closely with developers to identify and remediate web and mobile application bugs, documenting root causes and implementing code-level mitigations. Provided guidance on secure coding practices and integrated security checks into the development workflow.

SOC SIEM Engineer — APK Group

Tehran, Iran · May 2020 – Jun 2021

Developed and customized SIEM use cases by writing Python scripts for log and pcap parsing, automated IOC extraction, and triage workflows. Enhanced security monitoring through the design of analytics rules, correlation logic, and dashboards to detect and investigate live threats. Supported red and blue team efforts by integrating log sources, optimizing detection coverage, and hardening host and network configurations.

Network Engineer — Shatel

Tehran, Iran · Apr 2019 – May 2020

Managed Linux and Windows servers, overseeing service health and addressing escalations while administering core services such as DNS, DHCP, and VPN. Resolved complex clients’ network issues and created thorough documentation to support future troubleshooting.