Network Security Engineer

NTT DATA, Inc.; Australia; Hybrid; AUD 83,000 - 124,000; Full time

Job summary

NTT DATA, Inc. is seeking experienced Network Security Engineers for a 3 to 4 month contract as part of a major enterprise integration and technology uplift program in Australia.

You will work within a multidisciplinary team to uplift development and non-production environments across on-premises, AWS and Azure, ensuring secure connectivity and applicable security controls to drive production readiness. The role is hands-on and requires independent work, technical discovery and practical

Qualifications

• Strong enterprise Network Security Engineering experience across complex environments.
• Experience with Cisco routing/switching technologies and Check Point firewalls.
• Experience with F5 load balancing and Zscaler is advantageous.
• Experience across on-premises, AWS and Azure environments.

Responsibilities

• Design, configure and uplift network and security services across on-premises and cloud environments.
• Configure Cisco LAN/WAN networking, routing and switching.
• Implement and support Check Point firewalls, firewall policies and security controls.
• Configure F5 BIG‑IP load balancing and related services.
• Collaborate with cross-functional teams to identify requirements and develop technical solutions.
• Perform technical discovery, troubleshooting and documentation; report progress using Jira.

Job description

We are seeking experienced Network Security Engineers to join a major enterprise integration and technology uplift program on an initial 3 to 4 month contract, with potential for extension.

Working as part of a multidisciplinary engineering and project team, you will support the uplift, standardisation and creation of development and non-production environments across a large portfolio of applications. The environment spans on-premises infrastructure, AWS and Azure, with engineers responsible for ensuring applications have the network connectivity, security controls and supporting infrastructure required to progress through to production.

This is a hands‑on senior engineering role suited to someone who can work independently, undertake technical discovery and develop solutions without needing to be provided with detailed instructions. You will collaborate with network, security, cloud, systems and application teams, working across technologies including Cisco routing and switching, Check Point firewalls, F5 load balancing, DNS, Zscaler and cloud networking.

Daily Duties of the Role

• Design, configure and uplift network and security services supporting application development, test and non-production environments across on‑premises and cloud platforms.
• Configure and troubleshoot Cisco LAN/WAN networking, including routing, switching, connectivity, DNS and associated network services.
• Implement and support network security technologies including Check Point firewalls, firewall policies, secure access, encryption and associated security controls.
• Configure and support F5 load balancing technologies, including BIG‑IP and related application delivery services within enterprise environments.
• Work collaboratively with application, cloud, systems, security and delivery teams to investigate requirements, identify dependencies and develop practical technical solutions.
• Undertake technical discovery, troubleshooting, change implementation and documentation while proactively identifying issues, escalating blockers and reporting progress through tools such as Jira.

Skills Required

• Strong enterprise Network Security Engineering experience across complex environments, with the ability to operate independently and act as a technical SME.
• Demonstrated experience with Cisco routing and switching technologies, ideally including Catalyst, Nexus, VXLAN/EVPN and enterprise LAN/WAN environments.
• Hands‑on experience with Check Point firewall technologies, ideally including VSX and Maestro, together with strong knowledge of firewall policies and network security principles.
• Experience working with F5 technologies, particularly BIG‑IP and/or F5 Distributed Cloud, with additional exposure to Zscaler highly regarded.
• Experience supporting networking and security across on‑premises, AWS and/or Azure environments, including cloud connectivity and cloud-based firewall solutions.
• Strong troubleshooting, analytical and communication skills, with knowledge of security and regulatory frameworks such as Essential Eight, ISMS, CPS 234 and CPS 230; CCNA or CCNP certification would be highly regarded.
• Initial 3 to 4 month contract with potential to extend.
• Immediate or near‑term start preferred.Opportunities available across Australia, with office‑based and fully remote arrangements within Australia considered.
• Candidates must be comfortable operating within a complex enterprise environment and completing relevant background and police checks.