09/29/2026 updated
100 % available
Assistant Manager - Network Specialist | Cisco CCNP | 15+ Years Enterprise Network & Security
Kalyan, India
Only remote
Degree in Electronics and Tele-Communication (State Board of Maharashtra)Cisco Certified Network AssociateCisco Certified Network ProfessionalCisco IOSCisco RoutersConfiguration ManagementMultilayer SwitchEthernetInternet Protocol Security (IP SEC)Virtual Private Networks (VPN)Network SecurityLAN SwitchingNetwork Configuration and Change ManagementNetwork AdministrationWireless LAN ControllersNetwork Switches
Cisco Network Infrastructure
Extensive expertise in configuring and managing Cisco Catalyst Switches, Nexus Switches (9k, 7k, 5k, 2k), ASR Routers, and Wireless LAN Controllers. Hands-on experience with IOS/NXOS upgrades, OSPF, MPLS, LAN, WAN, and leased line implementations across large-scale enterprise environments.
Palo Alto Firewall & Network Security
Deep proficiency in troubleshooting and managing Palo Alto Firewalls, reviewing and optimizing firewall policies, NAT rules, and security objects. Experience conducting Vulnerability Assessment and Penetration Testing (VAPT), managing VPN access, and implementing corrective and preventive security actions.
Enterprise Network Design & Operations
Proven track record in enterprise network design, large-scale operations, and infrastructure project delivery. Expertise in managing routers, switches, wireless infrastructure, and firewalls, providing Level 3 network support, and leading network revamp and data center projects.
Cisco ISE & Access Control
Practical knowledge of Cisco ISE for network access control, implementation and management of Access Control Lists (ACLs), and VPN access governance to regulate inbound and outbound network traffic.
Wireless Network Management
Configuration and troubleshooting of Wireless LAN Controllers and Access Points, including Cisco 5520 and 9800 Wireless Controllers, as well as Cisco Aironet 1100 and 1200 series access points.
QoS & Traffic Management
Implementation of QoS policies for bandwidth optimization, link management, and event-based traffic prioritization. Application of route maps and QoS mechanisms to ensure application performance as per client-defined policies.
Network Monitoring & Diagnostics
Utilization of network monitoring tools such as SolarWinds and NetFlow Analyzer to ensure performance, availability, and traffic visibility. Proactive incident management to maintain high network uptime.
VPN & Secure Connectivity
Design and establishment of IPsec site-to-site VPN tunnels between branch locations and client-to-site remote access VPN tunnels. Deployment of GRE tunnels to enable secure communication across multi-vendor network environments.
Device Backup & Configuration Management
Performance of device backups and configuration management using HPNA, as well as managed configuration backups and version control for Cisco routers and switches.
Extensive expertise in configuring and managing Cisco Catalyst Switches, Nexus Switches (9k, 7k, 5k, 2k), ASR Routers, and Wireless LAN Controllers. Hands-on experience with IOS/NXOS upgrades, OSPF, MPLS, LAN, WAN, and leased line implementations across large-scale enterprise environments.
Palo Alto Firewall & Network Security
Deep proficiency in troubleshooting and managing Palo Alto Firewalls, reviewing and optimizing firewall policies, NAT rules, and security objects. Experience conducting Vulnerability Assessment and Penetration Testing (VAPT), managing VPN access, and implementing corrective and preventive security actions.
Enterprise Network Design & Operations
Proven track record in enterprise network design, large-scale operations, and infrastructure project delivery. Expertise in managing routers, switches, wireless infrastructure, and firewalls, providing Level 3 network support, and leading network revamp and data center projects.
Cisco ISE & Access Control
Practical knowledge of Cisco ISE for network access control, implementation and management of Access Control Lists (ACLs), and VPN access governance to regulate inbound and outbound network traffic.
Wireless Network Management
Configuration and troubleshooting of Wireless LAN Controllers and Access Points, including Cisco 5520 and 9800 Wireless Controllers, as well as Cisco Aironet 1100 and 1200 series access points.
QoS & Traffic Management
Implementation of QoS policies for bandwidth optimization, link management, and event-based traffic prioritization. Application of route maps and QoS mechanisms to ensure application performance as per client-defined policies.
Network Monitoring & Diagnostics
Utilization of network monitoring tools such as SolarWinds and NetFlow Analyzer to ensure performance, availability, and traffic visibility. Proactive incident management to maintain high network uptime.
VPN & Secure Connectivity
Design and establishment of IPsec site-to-site VPN tunnels between branch locations and client-to-site remote access VPN tunnels. Deployment of GRE tunnels to enable secure communication across multi-vendor network environments.
Device Backup & Configuration Management
Performance of device backups and configuration management using HPNA, as well as managed configuration backups and version control for Cisco routers and switches.
Experience
Professional experience10+ years
Freelancer since2026
Languages
EnglishFluent
Project history
Led migration and network deployment for new office environments, troubleshot Palo Alto Firewall issues, performed device backups via HPNA, managed Wi-Fi issues with Cisco Wireless Controllers, provided Level 3 network support, implemented LAN/WAN/MPLS circuits, conducted VAPT, governed network teams and vendors, optimized firewall policies, and led key network revamp initiatives including data center rack dressing and WLC firmware upgrades.
Managed LAN infrastructure and Cisco ASA firewalls in a large-scale enterprise network environment. Configured HP ProCurve switches and Cisco ASA 5505/5510 firewalls, troubleshot LAN connectivity, designed IPsec VPN tunnels, and implemented ACLs to regulate network traffic.
Gained experience with OSPF routing in large-scale enterprise environments (ONGC client). Configured Cisco Catalyst 4500 and 2950 switches, managed VSAT links and leased lines, implemented QoS policies, applied ACLs and route maps, deployed GRE tunnels, and configured SNMP, VLANs, VTP, trunking, and STP.