Network Security Engineer

NTT; Brisbane; On-site; AUD 110,000 - 170,000; Full time

Job summary

NTT Ltd. is seeking experienced Network Security Engineers to join a major enterprise integration and technology uplift program on a 3–4 month contract, with potential extension.

You’ll support uplift, standardisation and creation of development and non-production environments across on‑premises, AWS and Azure. The role is hands-on and senior, requiring independent work, technical discovery and practical solutions.

Qualifications

• Strong enterprise Network Security Engineering experience across complex environments.
• Hands-on experience with Cisco routing and switching technologies.
• Experience with Check Point firewall technologies including policies and security principles.
• Experience with F5 technologies (BIG-IP) and related delivery services.
• Experience across on-premises, AWS and Azure environments, with cloud connectivity knowledge.
• CCNA or CCNP certification would be highly regarded.

Responsibilities

• Design and uplift network and security services for development, test and non-production across on-premises and cloud.
• Configure and troubleshoot Cisco LAN/WAN networking, including routing, switching, connectivity, DNS and related services.
• Implement and support Check Point firewall technologies and related security controls.
• Configure and support F5 load balancing technologies (BIG-IP) and application delivery services.
• Collaborate with application, cloud, systems, security and delivery teams to develop practical technical solutions.
• Undertake technical discovery, troubleshooting, change implementation and documentation using Jira.

Skills

Cisco routing

Cisco switching

Check Point firewalls

F5 BIG-IP

Zscaler

Cloud networking

Tools

AWS

Azure

Job description

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.

Want to be part of the team?

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.

Your day at NTT

• 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.

What would make you a good fit for this role?

• 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.

About us

Workforce Solutions is a division in the Australia and New Zealand region of NTT Ltd. and includes the former Viiew as part of its broader expertise and capabilities. The Workforce Solution division specialise in workforce‑as‑a‑solution services, allowing clients the flexibility to augment or strengthen their team with a specialised workforce who offer deep experience and expertise in digital, data, security, infrastructure, project solutions and business transformation. Our highly experienced and skilled teams are supported by extensive training and enablement, ongoing technical assessments and our global network as part of NTT Ltd.All team members of Workforce Solutions are selected for the depth of their knowledge and experience in their particular field, as well as their professionalism and ability to integrate into our client’s workplace environment. To ensure the best match, we encourage clients to be involved in selecting their Workforce Solutions consultants.

NTT Ltd. is a leading global technology services company. Working with organizations around the world, we achieve business outcomes through intelligent technology solutions.For us, intelligent means data driven, connected, digital and secure. As a global ICT provider, we employ more than 40,000 people in a diverse and dynamic workplace that spans 57 countries, trading in 73 countries and delivering services in over 200 countries and regions

NTT is proud to be an equal opportunity employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, color, sex, religion, national origin, disability, pregnancy, marital status, sexual orientation, gender reassignment, veteran status, or other protected category.