Technical Support Engineer, Application Security

Cloudflare
Singapore
Workplace: OnsiteFull timeFunction: Customer Support (Service Desk)Experience: 4+ yearsEducation: bachelorsSkills: ["Troubleshooting","Problem-solving","Customer service","Communication","Independence","Collaboration"]

Serve as a trusted technical advisor for enterprise customers, handling and resolving application services/performance support issues and incidents. Diagnose and troubleshoot complex problems involving DNS, HTTP errors, IAM, load balancing, caching, CORS, and SSL/TLS configurations. Partner with Engineering and Operations to remediate and mitigate issues, and maintain technical documentation and knowledge base resources. Use command-line and observability tools to investigate and drive timely, high-quality customer outcomes.

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FursaFursa
Cloudflare
Cloudflare
1 day ago

Technical Support Engineer, Application Security

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Last checked: 47 minutes agoStatus: Live

Job Summary

Serve as a trusted technical advisor for enterprise customers, handling and resolving application services/performance support issues and incidents. Diagnose and troubleshoot complex problems involving DNS, HTTP errors, IAM, load balancing, caching, CORS, and SSL/TLS configurations. Partner with Engineering and Operations to remediate and mitigate issues, and maintain technical documentation and knowledge base resources. Use command-line and observability tools to investigate and drive timely, high-quality customer outcomes.
Location: Singapore
Workplace: Onsite
Employment Type: Full time
Job Function: Customer Support (Service Desk)
Seniority: Mid level

Key Responsibilities

  • •Respond to and resolve application services/performance inquiries and incidents for enterprise customers, providing timely, high-quality, personalized support.
  • •Diagnose, troubleshoot, and resolve complex technical issues involving DNS, HTTP errors, IAM, load balancing, caching, CORS, SSL/TLS, and related configurations.
  • •Work with Engineering and Operations teams to remediate issues, suggest mitigations, and apply appropriate mitigation steps when applicable.
  • •Create and maintain knowledge base articles, technical guides, and troubleshooting documentation for internal and customer use.
  • •Use command line tools and diagnostic/monitoring platforms to investigate performance, reliability, DNS resolution, latency, certificate issues, and global service availability problems.

Key Requirements

  • •Minimum 4 years of experience as a Technical Support Engineer supporting globally distributed reverse-proxy CDN platforms, with hands-on expertise in content caching, performance optimization, traffic routing, and edge delivery services.
  • •Exceptional troubleshooting and problem-solving skills with the ability to simplify complex concepts for customers.
  • •Strong customer service orientation and written and verbal communication skills.
  • •Strong understanding of L4/L7 protocols and concepts including TCP/UDP, DNS, HTTP/S, IAM, load balancing, caching, CORS, SSL/TLS, and network concepts with focus on Anycast.
  • •Experience with investigative observability tools (e.g., Kibana, Grafana, Zabbix, Sentry) and command-line tools (e.g., curl, dig, traceroute, openssl, git).
Experience:4+ years
Education:Bachelor's in Computer Science, Cybersecurity, or a related field
Skills:TroubleshootingProblem-solvingCustomer serviceCommunicationIndependenceCollaboration
Tech Stack:DNSHTTPTCP/UDPHTTP/SIAMLoad BalancingCachingCORSSSL/TLSAnycastBashPythonJavaScriptApacheNginxIISCaddyPostgreSQLMySQLMS SQL

Company Brief

Cloudflare
Provides a global network and cloud platform that delivers security, performance, and reliability services for web applications, APIs, and Internet properties, including CDN, DDoS protection, DNS, and zero-trust security solutions.
Industry: Cybersecurity
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2009
WebsiteLinkedIn