Skill Profile

Firewall Management

Firewall management: iptables/nftables, WAF, Security Groups, ACL

Networking & Telecom Network Security

Roles

where this skill appears

Levels

structured growth path

Mandatory requirements

the other 0 optional

Networking & Telecom

Network Security

3/17/2026

Choose your current level and compare expectations. The items below show what to cover to advance to the next level.

What is Expected at Each Level

The table shows how skill depth grows from Junior to Principal. Click a row to see details.

Role	Required	Description
Network Engineer	Required	Configures basic firewall rules with iptables/nftables and understands stateful vs stateless packet filtering. Creates simple ACLs for network segments.

Role	Required	Description
Network Engineer	Required	Designs firewall rule sets for enterprise networks. Configures next-gen firewalls (Palo Alto, Fortinet) and WAF (Cloudflare/AWS WAF). Implements microsegmentation.

Role	Required	Description
Network Engineer	Required	Designs zero-trust network architecture with firewalls. Implements automated firewall rule management. Conducts firewall audits and eliminates redundant/conflicting rules.

Role	Required	Description
Network Engineer	Required	Defines firewall strategy and security policy for the organization. Makes decisions on next-gen firewall vendors. Manages the network security perimeter.

Role	Required	Description
Network Engineer	Required	Shapes network security strategy. Researches AI-driven threat detection in NGFW. Influences security architecture standards. This skill is critically important for successful performance in the role.

Junior 1 requirements

Network Engineer
Required

Configures basic firewall rules with iptables/nftables and understands stateful vs stateless packet filtering. Creates simple ACLs for network segments.

Middle 1 requirements

Network Engineer
Required

Designs firewall rule sets for enterprise networks. Configures next-gen firewalls (Palo Alto, Fortinet) and WAF (Cloudflare/AWS WAF). Implements microsegmentation.

Senior 1 requirements

Network Engineer
Required

Designs zero-trust network architecture with firewalls. Implements automated firewall rule management. Conducts firewall audits and eliminates redundant/conflicting rules.

Lead / Staff 1 requirements

Network Engineer
Required

Defines firewall strategy and security policy for the organization. Makes decisions on next-gen firewall vendors. Manages the network security perimeter.

Principal 1 requirements

Network Engineer
Required

Shapes network security strategy. Researches AI-driven threat detection in NGFW. Influences security architecture standards. This skill is critically important for successful performance in the role.

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