Network Security Engineer

Green Light Worldwide; City of Melbourne; Hybrid; AUD 90,000 - 130,000; Full time

Job summary

Green Light Australia is seeking a Network Security Engineer in Melbourne to join a growing team delivering enterprise security and network transformation initiatives. This hands-on role focuses on implementing, configuring, testing, and supporting security technologies across large-scale customer environments.

You will lead security deployments, SD-WAN, network segmentation, incident triage, and operational support while collaborating with customers, vendors, and internal engineering teams to

Qualifications

• Experience implementing enterprise security solutions.
• Hands-on with firewalls, SD-WAN, VPNs, and segmentation.
• Working knowledge of Splunk for monitoring and investigations.

Responsibilities

• Support deployment of enterprise security solutions.
• Configure, test, and validate firewalls, VPNs, and segmentation policies.
• Assist with migration activities, cutovers, and post-deployment support.
• Execute implementation plans and runbooks for successful delivery.

Skills

Firewall administration

SD-WAN

VPN technologies

Incident response

Documentation

Stakeholder communication

Tools

Palo Alto Firewalls

Fortinet Firewalls

Cisco Security Solutions

Splunk

Job description

• 12 Monthsinitial assignment with potential to extend

• Leading company in its field
• BasedinMelbourne (Hybrid)
• 12 Monthsinitial assignment with potential to extend

Green Light Australiaare partnering with a leading company to engage Network Security Engineer to join a growing team responsible for delivering and supporting enterprise security and network transformation initiatives. This is a hands-on technical role focused on implementing, configuring, testing, and supporting network security technologies across large-scale customer environments.

The successful candidate will play a key role in security deployments, SD-WAN implementations, network segmentation projects, incident triage activities, and operational support while working closely with customers, vendors, and internal engineering teams.

Responsibilities:

Security Implementation & Delivery

• Support the deployment and implementation of enterprise security solutions across customer environments.
• Configure, test, and validate firewalls, network segmentation policies, VPN connectivity, and secure access controls.
• Assist with migration activities, cutovers, change implementations, and post-deployment support.
• Execute implementation plans and runbooks while ensuring successful delivery outcomes.

Network Security Engineering

• Configure and troubleshoot security technologies including:
  • Palo Alto Networks Firewalls
  • Fortinet Firewalls
  • Cisco Security Solutions
  • Secure Remote Access and VPN Technologies
• Implement network segmentation and access control policies.
• Support SD-WAN deployments, secure branch connectivity, and WAN optimization initiatives.
• Perform connectivity testing, policy validation, and security verification activities.

Security Monitoring & Incident Response

• Review and investigate security alerts using Splunk and other monitoring platforms.
• Conduct initial triage and analysis of security events.
• Escalate incidents to appropriate teams and support resolution activities.
• Collect and document evidence to support incident investigations.
• Assist with operational security monitoring and threat identification activities.

Troubleshooting & Operational Support

• Diagnose and resolve network security, firewall, VPN, SD-WAN, and connectivity issues.
• Identify implementation blockers and recommend remediation strategies.
• Support customer environments during project delivery and operational transitions.
• Work with vendors and internal stakeholders to resolve technical issues efficiently.

Documentation & Governance

• Create and maintain technical documentation including:
  • Low-Level Designs (LLDs)
  • Migration Runbooks
  • Test Plans and Validation Reports
  • As-Built Documentation
  • Operational Handover Documents
  • Implementation Procedures
• Ensure documentation is accurate, complete, and aligned to customer requirements.

Stakeholder Engagement

• Collaborate with customers, project managers, architects, security teams, and vendors.
• Communicate technical issues, risks, and progress clearly to stakeholders.
• Participate in technical workshops, project meetings, and implementation reviews.
• Provide knowledge transfer and operational handovers following project completion.

Requirements:

• Experience supporting security technology implementations within enterprise environments.
• Hands-on experience with:
  • Firewalls
  • Network Segmentation
  • SD-WAN Technologies
  • Secure Connectivity Solutions
  • VPN Technologies
• Working knowledge of Splunk for alert monitoring, investigation, and escalation.
• Experience supporting incident response activities including:
  • Initial Triage
  • Incident Escalation
  • Evidence Collection
  • Coordination and Communication
• Ability to troubleshoot security, networking, and connectivity issues.
• Strong documentation skills with experience producing technical implementation artifacts.
• Excellent communication and stakeholder management skills.

About the company:

We are an Australian onshore services company that provides technology capability across ANZ and Asia. Our services range from day-to-day operational activities, through project delivery, to more strategic and transformational programs. At Green Light, we are committed to creating a diverse and inclusive workplace where everyone feels valued and respected. We are proud to be an equal opportunity employer and do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We encourage applications from all backgrounds and communities, and we are dedicated to providing a fair and accessible recruitment process for all candidates. During the recruitment process, if you require any accommodations or modifications please reach out to [e-mail] or call [phone].