Network Security Engineer

TL;DR

Network Security Engineer: Supporting technically sophisticated customers in resolving technical problems, threats or attacks on their infrastructure at OSI Layers 3, 4, and 7, with an accent on DDoS mitigation, firewall rules, SSL/TLS, and network configuration. Focus on diagnosing, troubleshooting, and resolving complex technical issues involving various hirify.global security products and network protocols.

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

Company

hirify.global builds a better Internet by running one of the world’s largest networks, protecting and accelerating millions of websites and Internet applications globally.

What you will do

• Serve as a technical advisor for enterprise customers, resolving inquiries and incidents related to network security and performance.
• Diagnose, troubleshoot, and resolve complex technical issues involving DDoS mitigation, firewall rules, SSL/TLS, and network configuration.
• Create and maintain knowledge base articles, technical guides, and troubleshooting documentation.
• Compare traffic signatures and attributes to determine good vs. malicious traffic.
• Advise customers on DDoS mitigation for OSI layers 3, 4, & 7 using hirify.global tools.
• Work with Engineering and Product teams to improve products and tools.

Requirements

• Minimum of 4 years experience as a Network Security Engineer / Technical Support Engineer supporting networking or web security products.
• Exceptional troubleshooting and problem-solving skills.
• Strong customer service orientation and communication skills, fluent in English and preferably a second language like Mandarin, Hindi, Tamil, Korean, or Japanese.
• Strong understanding of network protocols: TCP/IP, DNS, HTTP/S, BGP, anycast routing.
• Proven experience troubleshooting network connectivity issues, BGP routing, GRE tunnels, and performing packet capture analysis.
• Competent with command line and tools like curl, dig, traceroute, openssl, git.
• Experience in a web development and/or hosting environment (Apache, Nginx, Caddy, IIS).
• Competent writing scripts in Bash, Python, JavaScript.
• Experience with PostgreSQL, MySQL, MS SQL, and other database servers.
• Bachelor’s degree in Computer Science, Cybersecurity, or related field (or equivalent experience).
• Relevant certifications such as CISSP, GCIA, GCIH, GCFA, GCFE or equivalent.

Culture & Benefits

• Mission to help build a better, free, and open Internet.
• Committed to diversity and inclusiveness, hiring based on potential.
• Projects like Galileo (protecting journalism), Athenian (government election security), and 1.1.1.1 (public DNS resolver).
• Provision of reasonable accommodations for disabilities.