Network Engineer

Network Engineer (P3)As a Network Engineer, you will work with the existing team to ensure adequate coverage of 24x7x365 operations in Japan Technical Assistance Center. You will mainly interact with TAC engineers, Escalation engineers and other functional groups within A10 to ensure highest level of customer satisfaction and help build a world class Support organization to support A10's overall success.What You’ll Be DoingIdentify and troubleshoot advanced L4–L7 traffic issues involving SSL, HTTP, and other application layer protocolsAnalyze and optimize performance degradations caused by TCP retransmissions, session anomalies and application layer conflicts such as HTTP errors, redirect loops, timeouts, etc.Work with customer network, application, and DevOps teams to resolve integration issues, performance bottlenecks, and configuration challenges across diverse environmentsTroubleshoot ACOS issues across hybrid and multi cloud deployments like AWS, Azure, OCI, and GCPTroubleshoot application layer security issues related to WAF, SSLi and perform traffic analysis to detect and block DDoS attacksCollaborate with authorized professional services partners to troubleshoot and resolve implementation and deployment challenges caused by design gaps, software bugs or misconfigurationsCollaborate with security teams to investigate application layer security incidents leveraging SIEMs and identity methods to analyze attacks and recommend detection and mitigation measuresUse tools like tcpdump and wireshark to conduct packet level analysis to debug complex issuesUse traffic generation tools such as Ixia, Spirent or Apache JMeter for simulating network and application traffic during testing and troubleshooting scenariosReproduce complex customer environments in labs to simulate behavior, validate theories, and confirm software bugsDevelop and maintain knowledge base articles, FAQs and troubleshooting playbooks to capture best practices and streamline issue resolutionProvide mentorship and training to internal teams on debugging tools, packet analysis, and troubleshooting methodologiesWhat We Need To See5+ years or more of relevant experienceBS/MS in a computer related field or equivalent work experienceDemonstrate strong analytical, troubleshooting and problem-solving skillsExtensive knowledge and experience troubleshooting Layer: 2/3 protocols for example, VLANs, VRRP, OSPF, BGP, ISIS, IPv4/6, ARP, RIP, NATLayer-4 protocols (TCP, UDP)Experience configuring and installing Linux applicationsAbility to install software packagesThorough understanding of DDoS attack mechanics and mitigation strategiesAble to troubleshoot very complex problems involving multiple A10 productsBasic competence in scripting, programming, or test methodologiesExperience providing support to direct customers, resellers, and field personnel in resolving product related issuesContribute to technical documentation/knowledge base for internal and/or external useDuties may require being on call periodically and working outside normal working hours (evenings and weekends)Way To Stand OutAny of the advanced networking certifications is preferred (CCIE, CCNP, JNCIE, ISACA or JNCIP)Very good understanding of all A10 products, and SME-level understanding of at least three A10 productsExperience with monitoring and alerting solutionsAbility to work with 3rd party vendors on quotations, technical support, inquiries, etc.Ability to work outside field of expertise such as integration with Windows Active Directory environment, email, and networkingExperience of deploying AWS, or AZURELocal and external authentication and access control