FRCJUN-7Juniper Networks

Advanced Junos Security (AJSEC)

Name: Advanced Junos Security (AJSEC)
Price: 3850.00 USD
Availability: InStock

This 5-day advanced instructor-led course provides expert-level training in enterprise security architecture, advanced policy design, VPN scaling, threat mitigation, and high-availability security deployments using Junos OS running on security platforms from Juniper Networks.

Duration · 5 daysVirtual + In-PersonInstructor-Led

$3,850

Course Description

The course is designed for senior security engineers and architects responsible for designing and operating large-scale secure network infrastructures in enterprise, service provider, and government environments. It emphasizes real-world design scenarios, complex troubleshooting, and security optimization at scale.

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Audience Profile

This course is intended for:

Senior security engineers and architects
Enterprise firewall and VPN engineers
Government and DoD cybersecurity personnel
Engineers preparing for JNCIP-SEC / JNCIE-SEC level skills
Infrastructure engineers managing large-scale secure networks

Prerequisites

Before enrolling, you should have:

Completion of Junos Security (JSEC) or equivalent experience
Strong understanding of IP networking, routing, and Junos OS
Experience with security policies, NAT, and IPsec VPNs
Familiarity with enterprise network architecture and troubleshooting

— What You'll Learn —

Learning Objectives

In this course, you will learn to:

1Demonstrate understanding of concepts covered in the prerequisite Juniper Security courses.
2Describe the various forms of security supported by the Junos OS.
3Describe the Juniper Connected Security model.
4Describe Junos security handling at Layer 2 versus Layer 3.
5Implement next generation Layer 2 security features.
6Demonstrate understanding of Logical Systems (LSYS).
7Demonstrate understanding of Tenant Systems (TSYS).
8Implement virtual routing instances in a security setting.
9Describe and configure route sharing between routing instances using logical tunnel interfaces.
10Describe and discuss Juniper ATP and its function in the network.
11Describe and implement Juniper Connected Security with Policy Enforcer in a network.
12Describe firewall filters use on a security device.
13Implement firewall filters to route traffic.
14Explain how to troubleshoot zone problems.
15Describe the tools available to troubleshoot SRX Series devices.
16Describe and implement IPsec VPN in a hub-and-spoke model.
17Describe the PKI infrastructure.
18Implement certificates to build an ADVPN network.
19Describe using NAT, CoS and routing protocols over IPsec VPNs.
20Implement NAT and routing protocols over an IPsec VPN.
21Describe the logs and troubleshooting methodologies to fix IPsec VPNs.
22Implement working IPsec VPNs when given configuration that are broken.
23Describe Incident Reporting with Juniper ATP On-Prem device.
24Configure mitigation response to prevent spread of malware.
25Explain SecIntel uses and when to use them.
26Describe the systems that work with SecIntel.
27Describe and implement advanced NAT options on the SRX Series devices.
28Explain DNS doctoring and when to use it.
29Describe NAT troubleshooting logs and techniques.

— Day-by-Day —

Course Outline

Day 1 – Advanced Security Architecture & Zero Trust Design

Module 1

Enterprise Security Architecture at Scale

Distributed security models
Perimeter vs zero trust architectures
Microsegmentation concepts in enterprise networks

Module 2

Advanced Junos Security Processing

Deep packet flow analysis in Junos security engine
Session state tracking and inspection behavior
Security policy evaluation order at scale

Module 3

Advanced Zone Design Strategies

Hierarchical security zone design
Trust segmentation in large enterprises
Zone optimization for performance and scalability

Lab 1

Multi-Zone Enterprise Security Design

Build segmented security zone architecture
Implement inter-zone policy enforcement
Validate session-based traffic control

Day 2 – Advanced Policy Engineering & NAT Scaling

Module 4

Complex Security Policy Design

Policy layering and chaining strategies
Address books at scale
Application-based policy enforcement concepts

Module 5

NAT Engineering at Enterprise Scale

Large-scale source NAT design patterns
Carrier-grade NAT concepts in enterprise contexts
NAT traversal and asymmetric routing challenges

Module 6

Policy Optimization and Performance

Reducing policy evaluation overhead
Efficient rule structuring techniques
Logging optimization and control

Lab 2

Advanced Policy and NAT Engineering

Build complex multi-zone policy model
Implement scalable NAT architecture
Troubleshoot overlapping address environments

Day 3 – Advanced VPN Architecture & Secure Connectivity

Module 7

Advanced IPsec VPN Design

IKEv1 vs IKEv2 architecture
Encryption suites and key negotiation
VPN scaling strategies

Module 8

Multi-Site VPN Architectures

Hub-and-spoke VPN topologies
Full mesh VPN design considerations
Redundancy and failover strategies

Module 9

Dynamic VPN Integration

Route-based VPN design
Dynamic routing over IPsec tunnels
Policy-based vs route-based VPN tradeoffs

Lab 3

Scalable VPN Deployment

Build multi-site IPsec VPN topology
Configure dynamic routing over tunnels
Validate failover and redundancy behavior

Day 4 – Advanced Threat Mitigation & High Availability

Module 10

Advanced Threat Detection Concepts

Intrusion prevention system architecture concepts
Signature-based vs anomaly-based detection
Application-layer security considerations

Module 11

Security Services Integration

Security logging and correlation strategies
Event monitoring and alerting design
Integration with external security systems (conceptual)

Module 12

High Availability Security Design

Stateful firewall clustering concepts
Session synchronization and failover behavior
Redundant security architecture design

Lab 4

HA Security Deployment

Configure redundant security architecture
Simulate failover events
Validate session continuity and recovery

Day 5 – Troubleshooting, Optimization & Expert Capstone

Module 13

Expert Troubleshooting Methodology

Multi-layer security troubleshooting framework
Policy, NAT, and VPN deep diagnostics
Session-level debugging techniques

Module 14

Performance Tuning & Optimization

Scaling security policies for high throughput
Session table optimization strategies
Reducing latency in security processing

Module 15

Expert-Level Security Architecture Case Study

Real-world enterprise security design
Multi-domain security integration
Operational security lifecycle management

Lab 5

Capstone Security Engineering Scenario

Build full-scale enterprise security architecture
Introduce cascading failures across policy, NAT, and VPN
Diagnose and restore secure operations
Optimize performance and resilience under load

— The Big Picture —

Key Takeaways

Expert Junos security design principles
Operational best practices for large-scale environments
JNCIP-SEC / JNCIE-SEC readiness alignment
Real-world enterprise security engineering strategies

— What You'll Walk Away With —

Skills Gained

Design and implement large-scale enterprise security architectures using Junos
Engineer advanced NAT, VPN, and security policy systems
Build resilient, high-availability firewall infrastructures
Troubleshoot complex multi-layer security failures
Optimize performance and scalability of Junos security deployments
Operate at expert-level (JNCIP-SEC to JNCIE-SEC readiness)

Note: Course outlines are provided as a general guide. Content, pacing, labs, and instructional emphasis may vary based on instructor expertise, student experience levels, and customer-specific learning objectives.

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