Job Title: Firewall Engineer
Company: Graphic Shaala
Location: Fully Remotely
Job Type: Part-Time
Working Hours: 1–2 hour's per day (versatile timing)
Compensation: Hourly basis (₹ 120–150 per hour depending on experience & skills demonstrated)
Salary:- Weekly Payout
Experience:- 2 to 3 Year's
About the Role
We are looking for a skilled Firewall & Network Security Engineer to manage, configure, secure, and troubleshoot our network infrastructure.
The ideal candidate should have strong hands-on experience with pfSense or OPNsense, network security, firewall policies, VPNs, VLANs, routing, NAT, monitoring, and troubleshooting.
You will work closely with our infrastructure/DevOps team to maintain a secure and reliable network environment and help us improve our overall network security architecture.
Key Responsibilities
1. Firewall Management
Configure and manage pfSense / OPNsense firewalls.
Create and maintain firewall rules and security policies.
Configure:
NAT
Port Forwarding
Outbound NAT
Aliases
Traffic Rules
Schedules
Gateway policies
Review and optimize existing firewall rules.
Troubleshoot firewall connectivity and security issues.
Maintain secure firewall configurations and backups.
2. Network Security
Design and implement secure network architecture.
Configure network segmentation using VLANs.
Implement appropriate security controls between:
LAN
Server Network
Management Network
Guest Network
RDP/VDI Network
Development Network
Identify and mitigate network security risks.
Follow least-privilege principles when designing firewall rules.
3. VPN
Hands-on experience configuring and troubleshooting:
WireGuard
OpenVPN
IPsec
Site-to-Site VPN
Remote Access VPN
VPN routing and firewall policies
4. Routing & Networking
Strong understanding of:
TCP/IP
IPv4 / IPv6
Subnetting
DHCP
DNS
ARP
Routing
Static Routes
Policy-Based Routing
NAT
VLAN
Trunking
Default Gateway
WAN/LAN architecture
Experience with MikroTik is a strong advantage.