A network security developer is not just someone who configures firewalls—you’re expected to build, automate, and secure systems using code. That’s a different level from basic IT or networking.

I’ll give you a clear, job-focused roadmap so you don’t waste time.

---

🚀 1. Foundations (Networking + OS)

🌐 Networking Basics (Must master)

Learn:

• TCP/IP, DNS, HTTP/HTTPS
• Subnetting
• Routing & switching

Focus on:

• TCP/IP
• OSI Model

👉 Goal: Understand how data actually moves in a network.

---

💻 Operating Systems

• Linux (very important)
• Basic Windows internals

Use:

• Ubuntu
• Learn CLI, permissions, processes

---

🔐 2. Core Security Concepts

Start with fundamentals:

• Encryption basics
• Authentication & authorization
• Network attacks

Key topics:

• Cryptography
• Public Key Infrastructure
• Firewall
• Intrusion Detection System

👉 Goal: Know how systems are attacked and defended.

---

💻 3. Programming (Critical for Developer Role)

You can’t skip coding.

Start with:

• Python
  • Automation, scripting
  • Networking libraries

Then:

• Java or C++
  • For building secure backend systems

👉 Goal: Write tools, not just configure systems.

---

🌐 4. Network Security Tools & Technologies

Learn how real-world systems work:

• Packet analysis:
  • Wireshark
• Pen testing basics:
  • Metasploit
• Firewalls:
  • pfSense

👉 Goal: Understand practical security operations.

---

🧪 5. Secure Development (This makes you a “developer”)

This is where you stand out.

Learn:

• Secure coding practices
• API security
• Authentication systems

Key concepts:

• OWASP Top 10
• Input validation
• JWT authentication

👉 Goal: Build apps that are hard to break.

---

☁️ 6. Cloud Security (Very Important in California jobs)

• Amazon Web Services
  • IAM, VPC, security groups
• Basics of Zero Trust Security

👉 Goal: Secure cloud-based applications.

---

🧠 7. Projects (Non-Negotiable)

Without projects, you won’t get interviews.

Build:

1. Network scanner (Python)
2. Packet sniffer
3. Secure login system (JWT + encryption)
4. Firewall simulation tool

👉 Put everything on GitHub

---

🎓 8. Certifications (Optional but Helpful)

• CompTIA Security+
• CEH (if interested in ethical hacking)

---

💼 9. Job Roles You Can Target

• Network Security Engineer
• Security Analyst
• Security Software Developer

---

⏱️ Realistic Timeline

• 3–4 months → Networking + Linux
• 3–4 months → Security + Programming
• 2–3 months → Projects + Job prep

---

⚠️ Honest Reality

Most beginners make this mistake:

“I’ll learn hacking tools and get a job.”

That doesn’t work.

Companies want:
✔ Strong fundamentals
✔ Coding ability
✔ Real projects

---

💡 Smart Strategy (Especially for You)

Since you’re already interested in Java + IT jobs in California:

👉 Best path:

• Combine Java full-stack + security
• Learn:
  • Spring Boot security
  • API protection
  • Cloud security basics

This hybrid profile is very valuable.

---

✅ If You Want Next Step

I can:

•  Combine Java full-stack + network security roadmap
•  Give you projects tailored for OPT jobs
• Help you choose between:
  • Full-stack vs Security career

Just tell me:
👉 Do you want to focus more on coding (developer) or security/hacking side?