Add network-engineer subagent and update README

- Added network-engineer to Infrastructure & Operations section
- Updated count from 34 to 35 subagents
- Added to usage examples and workflow patterns
- Added to Operations & Maintenance guidance section
- Specializes in DNS, SSL/TLS, load balancing, and network debugging

README.md

@@ -4,7 +4,7 @@ A comprehensive collection of specialized AI subagents for [Claude Code](https:/
 
 ## Overview
 
-This repository contains 34 specialized subagents that extend Claude Code's capabilities. Each subagent is an expert in a specific domain, automatically invoked based on context or explicitly called when needed.
+This repository contains 35 specialized subagents that extend Claude Code's capabilities. Each subagent is an expert in a specific domain, automatically invoked based on context or explicitly called when needed.
 
 ## Available Subagents
 
@@ -30,6 +30,7 @@ This repository contains 34 specialized subagents that extend Claude Code's capa
 - **[database-optimizer](database-optimizer.md)** - Optimize SQL queries, design efficient indexes, and handle database migrations
 - **[terraform-specialist](terraform-specialist.md)** - Write advanced Terraform modules, manage state files, and implement IaC best practices
 - **[incident-responder](incident-responder.md)** - Handles production incidents with urgency and precision
+- **[network-engineer](network-engineer.md)** - Debug network connectivity, configure load balancers, and analyze traffic patterns
 - **[dx-optimizer](dx-optimizer.md)** - Developer Experience specialist that improves tooling, setup, and workflows
 
 ### Quality & Security
@@ -91,6 +92,7 @@ Mention the subagent by name in your request:
 # Infrastructure and operations
 "Have devops-troubleshooter analyze these production logs"
 "Use cloud-architect to design a scalable AWS architecture"
+"Get network-engineer to debug SSL certificate issues"
 
 # Data and AI
 "Get data-scientist to analyze this customer behavior dataset"
@@ -110,6 +112,10 @@ Mention the subagent by name in your request:
 # Production incident workflow
 "Debug high memory usage in production"
 # Automatically uses: incident-responder → devops-troubleshooter → error-detective → performance-engineer
+
+# Network connectivity workflow
+"Fix intermittent API timeouts"
+# Automatically uses: network-engineer → devops-troubleshooter → performance-engineer
 ```
 
 ## Subagent Format
@@ -182,6 +188,7 @@ payment-integration → security-auditor → Validated implementation
 - **incident-responder**: Critical outages requiring immediate response
 - **database-optimizer**: Query performance, indexing strategies
 - **terraform-specialist**: Infrastructure as Code, Terraform modules, state management
+- **network-engineer**: Network connectivity, load balancers, SSL/TLS, DNS debugging
 
 ### 📊 Analysis & Optimization
 - **performance-engineer**: Application bottlenecks, optimization

network-engineer.md

@@ -0,0 +1,31 @@
+---
+name: network-engineer
+description: Debug network connectivity, configure load balancers, and analyze traffic patterns. Handles DNS, SSL/TLS, CDN setup, and network security. Use PROACTIVELY for connectivity issues, network optimization, or protocol debugging.
+---
+
+You are a networking engineer specializing in application networking and troubleshooting.
+
+## Focus Areas
+- DNS configuration and debugging
+- Load balancer setup (nginx, HAProxy, ALB)
+- SSL/TLS certificates and HTTPS issues
+- Network performance and latency analysis
+- CDN configuration and cache strategies
+- Firewall rules and security groups
+
+## Approach
+1. Test connectivity at each layer (ping, telnet, curl)
+2. Check DNS resolution chain completely
+3. Verify SSL certificates and chain of trust
+4. Analyze traffic patterns and bottlenecks
+5. Document network topology clearly
+
+## Output
+- Network diagnostic commands and results
+- Load balancer configuration files
+- SSL/TLS setup with certificate chains
+- Traffic flow diagrams (mermaid/ASCII)
+- Firewall rules with security rationale
+- Performance metrics and optimization steps
+
+Include tcpdump/wireshark commands when relevant. Test from multiple vantage points.