Technical Support Engineer, Application Security

Location: In-office in Singapore

Company

hirify.global operates a large global network that protects and accelerates Internet applications for customers ranging from individual bloggers to enterprise businesses.

What you will do

• Serve as a technical advisor for enterprise customers, resolving Application Services and Performance inquiries and incidents.
• Diagnose complex issues involving DNS, HTTP errors, IAM, load balancing, caching, CORS, SSL/TLS, networking, and related configurations.
• Use command-line tools, diagnostic platforms, monitoring systems, and logs to investigate service and performance problems.
• Collaborate with Engineering, Operations, and Product teams to mitigate incidents and improve products and tools.
• Create and maintain knowledge-base articles, technical guides, and troubleshooting documentation.

Requirements

• Minimum four years of experience supporting globally distributed reverse-proxy CDN platforms, including content caching, performance optimization, traffic routing, and edge delivery.
• Strong understanding of L4/L7 concepts, TCP/UDP, DNS, HTTP/S, IAM, load balancing, caching, CORS, SSL/TLS, networking, and Anycast.
• Confident use of curl, dig, traceroute, openssl, git, online diagnostic platforms, and observability tools such as Kibana, Grafana, Zabbix, and Sentry.
• Experience with Bash, Python, JavaScript, or another scripting language, plus web server installation and configuration using Apache, Nginx, Caddy, or IIS.
• Experience with PostgreSQL, MySQL, MS SQL, or other database servers.
• Bachelor’s degree in Computer Science, Cybersecurity, or a related field, or equivalent experience; strong customer communication and problem-solving skills.

Nice to have

• Experience in a shift-based or global support environment.
• Familiarity with SLA/KPI metrics and real-time queue management.

Culture & Benefits

• Mission focused on building a better Internet and protecting the free and open Internet.
• Collaborative environment focused on curiosity, iteration, practical problem-solving, and sharing improvements.
• Support delivered through phone, email, chat, and social media for customers ranging from small websites to global enterprises.
• Applicants progressing to the offer stage may be asked to attend an in-person interview at a hirify.global office or hub.