TL;DR

Network Security Engineer: Supporting and resolving complex network security issues for enterprise customers using %hirify_global%'s products with an accent on DDoS mitigation, firewall configuration, and network protocol troubleshooting. Focus on diagnosing and mitigating attacks at OSI layers 3, 4, and 7, and collaborating with engineering teams to improve security tools.

Location: Singapore, Sydney (Australia), or Tokyo (Japan) (Hybrid)

Company

%hirify_global% operates one of the world’s largest networks, providing security and performance services to millions of Internet properties globally, including Fortune 500 companies.

What you will do

Serve as a trusted technical advisor for enterprise customers on network security and performance issues.
Diagnose, troubleshoot, and resolve complex technical problems involving DDoS mitigation, firewall rules, SSL/TLS, and network configurations.
Create and maintain technical documentation and knowledge base articles.
Analyze traffic signatures to distinguish malicious from legitimate traffic.
Advise customers on filtering malicious traffic using %hirify_global% security tools.
Collaborate with Engineering and Product teams to enhance security products and tools.

Requirements

Location: Must be based in or able to work from Singapore, Sydney, or Tokyo (Hybrid).
Minimum 4 years experience in network security or technical support for networking/web security products.
Strong troubleshooting and communication skills; fluent in English.
Deep understanding of network protocols (TCP/IP, DNS, HTTP/S, BGP) and tools like iptables.
Experience with DDoS mitigation, BGP routing, GRE tunnels, and packet capture analysis.
Proficiency with command line tools and scripting languages (Bash, Python, JavaScript).
Bachelor’s degree in Computer Science, Cybersecurity, or related field, or equivalent experience.
Relevant certifications such as CISSP, GCIA, GCIH, GCFA, or GCFE are preferred.