3rd Line Engineer

Learning Objectives:

Apply deep troubleshooting frameworks across complex enterprise systems and networks

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• Root cause analysis and correlation across infrastructure layers
• Advanced diagnostic tools and comprehensive log analysis
• Live debugging techniques for high-pressure environments
• Structured escalation handling and documentation
• Performance troubleshooting and capacity planning

Advanced VLAN Configuration

• Design and implement complex VLAN architectures, including private VLANs and trunking protocols
• Configure inter-VLAN routing with multiple routing protocols and security considerations

Protocol Analysis

• Master Spanning Tree Protocol variants (RSTP, MSTP) and configuration 
• Deep dive into OSPF and EIGRP for enterprise networks
• Learn advanced protocol sniffing and traffic analysis techniques

Practical Applications

• Simulate network segmentation for large enterprise environments
• Troubleshoot complex VLAN issues, including black hole routing and asymmetric paths

Learning Objectives:

Implement high-availability routing and enterprise switching solutions to ensure network resilience

Topics Covered:

• Static and dynamic routing strategies for enterprise networks
• Layer 3 switches and core distribution/access design principles
• Redundant link configurations and failover mechanisms
• BGP fundamentals for larger network environments
• Quality of Service (QoS) implementation and monitoring

DR Strategy Development

• Create comprehensive DR playbooks and business continuity plans tailored to different business requirements.

Implementation

• Configure real-time replication systems and site failover mechanisms for critical infrastructure.

Testing & Validation

• Develop and execute DR testing procedures and incident response protocols.

Continuous Improvement

• Establish metrics for recovery objectives and implement regular review processes.

You’ll design complete DR solutions that minimize downtime and protect business operations, gaining hands-on experience with industry-standard replication tools and failover technologies.

Learning Objectives:

Leverage SDN and cloud-based networking in hybrid environments to increase flexibility

and management capabilities

Topics Covered:

• Introduction to SDN with practical examples using Cisco ACI and VMware NSX
• Azure VNet and AWS VPC fundamentals for cloud networking
• Hybrid cloud routing strategies and implementation
• Cloud firewall configuration and security best practices
• Network automation using infrastructure as code

Group Policy Management

• Master advanced GPO configuration, troubleshooting, and inheritance management  for complex organisational structures

Domain Trust & Replication

• Configure and manage multi-site AD replication, domain trusts, and forest configurations for enterprise environments

AD Automation

• Develop PowerShell scripts for AD management, bulk operations, and integration with other enterprise systems

Learning Objectives:

Secure enterprise environments through layered patch and update strategies to minimize vulnerabilities

Topics Covered:

• Enterprise patch management using WSUS, SCCM, and Intune
• Cloud-based patching strategies with Azure Arc
• Vulnerability scanning and comprehensive remediation plans
• Change management processes for critical patch rollouts
• Security testing and validation procedures

Scenario Introduction

• You’ll receive a complex enterprise scenario with multiple interconnected technical issues affecting business operations

Investigation

• Apply systematic troubleshooting frameworks to identify root causes across network, server, and directory services

Resolution Implementation

• Develop and execute a prioritised resolution plan with appropriate change management

Documentation & Handover

• Create comprehensive technical documentation and present your findings to stakeholders