10/29/2026 updated
100 % available
Senior Network Security Engineer
Ahmadabad City, India
Only remote
Bachelor of Engineering in Mechanical Engineering - Gujarat Technological UniversityAbout me
I’m a Network Engineer specializing in network security, firewall configuration, VPNs, and troubleshooting. I help businesses maintain secure, reliable networks through practical and effective solutions.
Cisco PIXCisco RoutersCisco Systems VPN ClientNetwork SocketsEthernetNetworking HardwareInternet Protocol Security (IP SEC)Virtual Private Networks (VPN)Network SecurityLAN SwitchingNetwork Configuration and Change ManagementNetwork ArchitectureNetwork ControlNetwork Planning and DesignNetwork Forensics
Networking & Routing
Expertise in TCP/IP, OSI Model, VLANs, STP, Routing and Switching, NAT, DHCP, DNS, VPN IPSEC, ACLs, and Network Segmentation for enterprise environments.
Firewall & Security
Hands-on experience with Fortinet Firewall, Watchguard Firebox, SSL Inspection, BOVPN, Content Filtering, Site-to-Site VPN, Remote Access VPN, and Firewall Policies.
Network Diagnostics & Tools
Proficiency in using diagnostic tools such as Wireshark, Nmap, tcpdump, Ping, and Traceroute for network troubleshooting and monitoring.
VPN Connectivity
Experience in supporting and troubleshooting VPN connectivity for branch offices and remote users, including Site-to-Site and Remote Access VPN configurations.
VLAN & NAT Configuration
Practical knowledge in configuring and managing VLANs, NAT, DHCP, DNS, and access control implementations across enterprise networks.
Operating Systems
Familiarity with Linux Fundamentals and Windows Networking Basics for network support and administration tasks.
Cisco ASA & Fortinet
Assistance in configuration and troubleshooting of Cisco ASA and Fortinet firewall policies in enterprise environments.
Network Documentation
Maintenance of network documentation and troubleshooting procedures to ensure accurate records and efficient issue resolution.
Expertise in TCP/IP, OSI Model, VLANs, STP, Routing and Switching, NAT, DHCP, DNS, VPN IPSEC, ACLs, and Network Segmentation for enterprise environments.
Firewall & Security
Hands-on experience with Fortinet Firewall, Watchguard Firebox, SSL Inspection, BOVPN, Content Filtering, Site-to-Site VPN, Remote Access VPN, and Firewall Policies.
Network Diagnostics & Tools
Proficiency in using diagnostic tools such as Wireshark, Nmap, tcpdump, Ping, and Traceroute for network troubleshooting and monitoring.
VPN Connectivity
Experience in supporting and troubleshooting VPN connectivity for branch offices and remote users, including Site-to-Site and Remote Access VPN configurations.
VLAN & NAT Configuration
Practical knowledge in configuring and managing VLANs, NAT, DHCP, DNS, and access control implementations across enterprise networks.
Operating Systems
Familiarity with Linux Fundamentals and Windows Networking Basics for network support and administration tasks.
Cisco ASA & Fortinet
Assistance in configuration and troubleshooting of Cisco ASA and Fortinet firewall policies in enterprise environments.
Network Documentation
Maintenance of network documentation and troubleshooting procedures to ensure accurate records and efficient issue resolution.
Experience
Professional experience0 - 5 years
Freelancer since2025
Languages
EnglishFluent
Project history
Monitored and troubleshot enterprise network connectivity issues across multiple client environments. Assisted in configuration and troubleshooting of Cisco ASA and Fortinet firewall policies. Supported VPN connectivity troubleshooting for branch offices and remote users. Worked with VLANs, NAT configurations, DHCP, DNS, and access control implementations. Performed network diagnostics using tools such as Wireshark, ping, traceroute, and Nmap. Assisted in maintaining network documentation and troubleshooting procedures. Coordinated with vendors and internal teams for issue resolution and infrastructure support. Supported secure network communication and connectivity monitoring activities.