- Design Data Center Networks Infrastructure - Design LAN and WAN Networks Infrastructure - Design Network Security Plans for Data Center and LAN/WAN Network Environments - Design and Implement network internet routing- Implement and Operate Network Devices; e.g. Switches, Routers, Load Balancers, etc.- Implement and Operate Network Security Devices; e.g. Firewalls, UTMs, VPN Servers, etc. - Provide 2nd Line Support for Customers’ Networks Infrastructure and Devices- Participate in Vendor/Product and Architecture Selection and Proposals- Provide Consultation, Documentation and Presentation on Assigned Tasks- Capacity Planning for development and upgrade infrastructure- Document every part of network- Monitor Network and Security operations continuously - Work with network automation systems; e.g. ansible , python , slax , etc.- Maintain network and services up and running- On call Rotation- Long-term Day JobRequirements:• Deep Knowledge on Networking Concepts e.g. IP Addressing, Switching, Routing, QoS, DNS & DHCP, Load Balancing, etc.• Deep Knowledge on Network Security Concepts e.g. Firewalling, Intrusion Prevention, Tunneling & VPN, Authentication, etc.• Deep Knowledge on Security auditing , log collection and analysis.• Good Knowledge and Experience with Cisco Network & Network Security Products • Good Knowledge and Experience with Windows and Linux Server Operating Systems • Good Knowledge and Experience with Monitoring systems and software.• Good Knowledge in Virtualization Platforms and Virtual Networking • Good Knowledge in Related Data Center Active Infrastructure and Systems• Familiar with VMWare products; e.g. VCenter , NSX , etc• Experienced in Troubleshooting and Optimizing Systems in Live Operational Environments• Ability to Work Efficiently as a Team Member in Project-based or Operational Tasks• Ability to solve complex problems.• Certification in Related Fields is a Plus