Network Security Engineer

Network Security Engineer

Location: Perth, WA

Start Date: 1 July 2026

Duration: 3 months contract with a high possibility for extension.

Working Flexibility: Fully onsite – Perth only

Role Overview

NTT Data is seeking an experienced Network Security Engineer to support a large enterprise environment following a recent firewall migration. This role will focus on the day-to-day operation, policy management, and optimisation of a Palo Alto firewall estate, with a strong emphasis on operational stability in a live production environment. You’ll work closely with stakeholders to ensure the security platform is performing optimally post-implementation.

Is innovation part of your DNA? Do you want to enable a connected future for people, organizations, and society?

Join our growing global NTT team and you’ll be part of the world’s largest ICT company (by revenue). We’ve combined the capabilities of 28 remarkable companies to become one, leading technology services provider. Together, we help our people, clients, and communities do great things with technology to create a more secure and connected future. We employ 40,000 people across 57 countries. By bringing together the world’s best technology companies and emerging innovators, we work together to deliver sustainable outcomes to businesses and the world. Innovation is part of our DNA. We believe it’s key to what makes us different. So, we strive to move forward, challenge the status quo, and drive excellence through the technologies we integrate and the services we deliver around the world. The result is connected cities, connected factories, connected healthcare, connected agriculture, connected conservation, connected mobility, and connected sport. Together we enable the connected future.

Key Responsibilities

• Support day-to-day operations of enterprise-grade Palo Alto firewalls
• Manage and optimise firewall policies in a production environment
• Work with Strata Cloud Manager (SCM) for configuration and visibility
• Assist with post-migration stabilisation and optimisation activities
• Troubleshoot network security incidents and performance issues
• Collaborate with internal teams to ensure secure and reliable network operations

Skills & Experience

• Strong hands-on experience with Palo Alto firewalls in enterprise environments
• Practical exposure to Strata Cloud Manager (SCM)
• Solid understanding of network security principles and best practices
• Good working knowledge of routing and switching fundamentals
• Proven ability to operate confidently in live production environments
• Strong communication skills and a collaborative mindset

Questions? Reach out: [email protected]