テクニカルサポートエンジニア/ Technical Support Engineer

A global computer security services provider is looking for a Technical Support Engineer. The selected candidate will troubleshoot complex network and application traffic issues, resolve security and performance problems, support multi-cloud deployments, and help improve technical support practices.

Responsibilities:

• Diagnose advanced L4–L7 traffic issues across SSL, HTTP, TCP, and other application protocols
• Resolve performance bottlenecks, session anomalies, HTTP errors, redirect loops, and timeout-related issues
• Support customer network, application, DevOps, and security teams in fixing integration, deployment, and configuration challenges
• Investigate security incidents involving WAF, SSLi, SIEM, and DDoS detection across hybrid and multi-cloud environments
• Perform packet-level and traffic simulation analysis using tools such as tcpdump, Wireshark, Ixia, Spirent, and Apache JMeter
• Reproduce customer environments in lab settings, document troubleshooting knowledge, and mentor internal teams on debugging methodologies

Requirements:

• Bachelor’s degree or equivalent in a computer related field
• More than 7 years of relevant experience
• Experience troubleshooting Layer: 2/3 protocols (VLANs, VRRP, OSPF, BGP, ISIS, IPv4/6, ARP, RIP, NAT)
• Prior experience configuring and installing Linux applications
• Proven experience providing support to direct customers, resellers, and field personnel in resolving product related issues
• Background in monitoring and alerting solutions
• Prior background deploying AWS, or AZURE
• Knowledge of Layer-4 protocols (TCP, UDP)
• Proficient in scripting, programming, or test methodologies
• Familiarity of DDoS attack mechanics and mitigation strategies

Preferred requirements:

• Possess valid advanced networking certifications (CCIE, CCNP, JNCIE, ISACA or JNCIP)

About the Company:

A global computer security services provider serving customers in all industries worldwide. Many of its customers are Fortune 500 global companies. Its core business is to provide the most secure and highly available digital experiences.

Keywords:

ソフトウェア, プログラミング, IT, 技術職, 求人, 外資系

Job Ref: KMDPD4