Saleem Sattar

About Saleem Sattar

Senior Network Engineer with 15+ years of experience designing, implementing, and…

Experience

1. Sr Network Engineer

   Dev&mark

   Dec 2020 — Present

   Key Responsibilities 1. Design and implementation: Design, implement, and maintain complex network infrastructures, including LAN, WAN, and wireless networks. Network configuration and troubleshooting: Configure and troubleshoot Cisco routers, switches, firewalls, and wireless controllers to ensure optimal network performance. Layer 2 and Layer 3 management: Manage and troubleshoot Layer 2 technologies (VTP, VLAN, EtherChannel, STP) and Layer 3 technologies (Multicasting, RIPv1/2, EIGRP, OSPFv2/3, BGP, MBGP). VPN management: Implement and troubleshoot VPN technologies (GRE, Site-to-Site, DMVPN, MPLS V3 VPN) to ensure secure and reliable connections. Infrastructure security: Ensure device security and network security by implementing best practices, access controls, and threat mitigation strategies. Quality of Service (QoS) management: Implement and manage QoS policies to ensure optimal network performance for critical applications. Wireless network management: Design, implement, and manage wireless networks (802.11 a/b/g/n) using Ruckus wireless controllers and access points. Video conferencing management: Configure and troubleshoot Tandberg and LifeSize video conferencing solutions to ensure seamless communication. Monitoring and analysis: Use monitoring tools (Wireshark, SolarWinds) to analyze network traffic, identify issues, and optimize network performance.