Senior Network Support Specialist

6 days ago


Hong Kong, Hong Kong SAR China Cognizant Full time

Job Responsibilities Design, configure, and implement enterprise-class network solutions using Cisco, Arista, and Mellanox hardware. Troubleshoot, implement, optimize, and test dynamic routing protocols such as EIGRP, OSPF, and BGP, including interpreting and resolving complex route table problems. Design and implement WLANs and other wireless networks using Cisco and Juniper MIST. Optimize firewall devices, including rule consolidation/fine-tuning and periodic firewall rule base reviews. Manage application load balancers such as F5 Big IP LTM/GTM or Citrix NetScaler. Work within an ITIL-structured organization handling Incident, Change, and Problem management. Job Requirements Minimum 10+ years of experience in enterprise-class network design and implementation. Expert-level knowledge of dynamic routing protocols (EIGRP, OSPF, BGP). Knowledge of EVPN & VXLAN (highly preferred). Network Security (Layer 3) expertise with primary skills on Palo Alto and Cisco Firewalls. 3+ years of experience with Prisma Cloud Enterprise or similar Cloud Security Posture Management tools. Basic knowledge of tools like Wireshark, Kentik, Prometheus, or similar monitoring tools. Knowledge of Linux OS (added advantage). Experience with Saltstack/Python automation (a plus)


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