Skill Profile

VPN & Network Isolation

WireGuard, IPSec, VPC peering, transit gateway, network segmentation

Cloud & Infrastructure DNS & Networking

Roles

6

where this skill appears

Levels

5

structured growth path

Mandatory requirements

22

the other 8 optional

Domain

Cloud & Infrastructure

Group

DNS & Networking

Last updated

3/17/2026

How to Use

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
Cloud Engineer Required Understands basic VPN and network isolation concepts: site-to-site tunnels, IPSec/WireGuard protocols, and VPC peering fundamentals. Uses existing configurations to provision VPN connections in cloud environments. Follows team guidelines for network segmentation and firewall rule management.
DevOps Engineer Understands VPN principles: tunneling, encryption, protocols (IPSec, WireGuard, OpenVPN). Connects to corporate VPN, understands the difference between site-to-site and client VPN. Knows basic network security concepts.
Infrastructure Engineer Understands basic VPN and network isolation concepts: tunnel protocols (IPSec, OpenVPN, WireGuard), VLAN segmentation, and network ACLs. Uses existing IaC templates to deploy VPN gateways and configure routing tables. Follows team standards for network topology documentation and access control policies.
Network Engineer Required Knows basic VPN and network isolation concepts for network engineering and can apply them in typical tasks. Uses standard tools and follows established team practices. Understands when and why this approach is used.
Penetration Testing Engineer Understands basic VPN and Network Isolation concepts. Uses ready-made configurations. Performs simple operations under senior guidance.
Site Reliability Engineer (SRE) Understands VPN for secure connectivity: site-to-site for data centers, client VPN for remote access. Configures and tests VPN connections. Diagnoses connection issues.
Role Required Description
Cloud Engineer Required Independently configures VPN solutions and network isolation in multi-cloud environments: AWS VPN Gateway, Azure VPN, GCP Cloud VPN with BGP routing. Implements network segmentation using VPC service controls, private endpoints, and transit gateway architectures. Understands zero-trust network access patterns.
DevOps Engineer Configures VPN solutions: AWS Site-to-Site VPN, WireGuard for dev environments, OpenVPN Access Server. Manages certificates and keys, configures split-tunneling and routing. Integrates VPN with cloud VPCs and Kubernetes clusters.
Infrastructure Engineer Independently configures and manages VPN infrastructure: deploys site-to-site and client VPN solutions with high availability and failover. Implements network micro-segmentation using firewall zones, security groups, and service mesh integration. Writes IaC for automated VPN provisioning and certificate rotation.
Network Engineer Required Confidently applies VPN and network isolation for network engineering in non-standard tasks. Independently selects the optimal approach and tools. Analyzes trade-offs and proposes improvements to existing solutions.
Penetration Testing Engineer Independently assesses VPN and network isolation implementations: tests IPSec/WireGuard configurations for cryptographic weaknesses, evaluates segmentation bypass vectors, and validates firewall rule effectiveness. Uses network analysis tools (Wireshark, nmap, Burp) to identify misconfigurations in tunnel and isolation setups.
Site Reliability Engineer (SRE) Manages VPN infrastructure: IPSec tunnels, WireGuard for internal connectivity, split tunneling. Monitors tunnel health and latency. Configures failover between VPN endpoints.
Role Required Description
Cloud Engineer Required Designs infrastructure solutions with VPN and Network Isolation. Optimizes cost and performance. Introduces best practices and security hardening.
DevOps Engineer Required Designs VPN infrastructure for production: redundant site-to-site VPN with BGP, Direct Connect/ExpressRoute as primary with VPN failover. Implements zero-trust alternatives (Tailscale, Boundary), configures monitoring and automatic tunnel failover.
Infrastructure Engineer Required Designs enterprise VPN and network isolation architectures: multi-region mesh topologies, zero-trust network access with ZTNA gateways, and hybrid cloud connectivity with dedicated interconnects. Optimizes throughput and latency for high-bandwidth tunnels. Implements security hardening with certificate pinning and MFA integration.
Network Engineer Required Expertly applies VPN and network isolation for network engineering to design complex systems. Optimizes existing solutions and prevents architectural mistakes. Conducts code reviews and trains colleagues on best practices.
Penetration Testing Engineer Required Designs advanced VPN and network isolation penetration testing methodologies: crafts custom tunneling exploits, evaluates split-tunneling attack surfaces, and tests network isolation boundaries across multi-cloud environments. Implements automated security validation for VPN configurations and recommends hardening strategies.
Site Reliability Engineer (SRE) Required Designs VPN architecture: hub-and-spoke vs mesh, Transit Gateway VPN attachments, automated tunnel management. Optimizes throughput. Plans migration to zero-trust (BeyondCorp).
Role Required Description
Cloud Engineer Required Defines VPN and network isolation strategy for cloud infrastructure: establishes connectivity standards, transit architecture patterns, and zero-trust network policies. Conducts architecture reviews for multi-cloud network designs. Optimizes network costs through traffic engineering and interconnect planning.
DevOps Engineer Required Defines remote access strategy: transition from traditional VPN to zero-trust (BeyondCorp), connection standards for all teams. Designs secure access architecture for multi-cloud environment with centralized management and auditing.
Infrastructure Engineer Required Defines network security strategy for VPN and isolation across the organization: establishes encryption standards, network segmentation policies, and connectivity governance for hybrid environments. Conducts architecture reviews for complex multi-site deployments. Drives adoption of zero-trust network architectures.
Network Engineer Required Establishes VPN and network isolation standards for the network engineering team and makes architectural decisions. Defines the technical roadmap incorporating this skill. Mentors senior engineers and influences practices of adjacent teams.
Penetration Testing Engineer Required Defines infrastructure strategy with VPN and Network Isolation. Establishes IaC standards. Conducts architecture reviews. Optimizes FinOps.
Site Reliability Engineer (SRE) Required Defines VPN standards: encryption requirements, tunnel monitoring SLA, access policies. Coordinates VPN infrastructure between cloud and on-premise. Implements automated provisioning.
Role Required Description
Cloud Engineer Required Shapes organizational VPN strategy: Site-to-Site VPN vs Direct Connect/ExpressRoute, client VPN for remote access, mesh VPN between clouds. Designs high-availability VPN with BGP, failover and monitoring. Defines migration path to Zero Trust Network Access (ZTNA).
DevOps Engineer Required Develops corporate network access strategy: zero-trust architecture, SASE model, identity provider integration. Defines architecture for secure access to thousands of services from anywhere, standards for all organizational units.
Infrastructure Engineer Required Shapes organizational VPN infrastructure strategy: site-to-site VPN for hybrid cloud, client VPN for remote access, WireGuard vs IPSec vs OpenVPN. Designs zero-trust VPN alternatives through BeyondCorp approach, defines network access architecture for multi-cloud and on-premise environments.
Network Engineer Required Shapes VPN and network isolation strategy for network engineering at the organizational level. Defines best practices and influences technology choices beyond their own team. Is a recognized expert in this area.
Penetration Testing Engineer Required Defines the organization's cloud strategy. Evaluates multi-cloud vs single-cloud. Designs enterprise-grade infrastructure. Establishes FinOps practices.
Site Reliability Engineer (SRE) Required Designs connectivity strategy: VPN vs Direct Connect vs SD-WAN, zero-trust network access. Defines remote access architecture for the organization.

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