Application Security Solution Architect

NBN Co ltd.; Melbourne; Hybrid; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Reconciliation Action Plan

Accessibility & Inclusion Plan

18 weeks of paid parental leave

Pride in Diversity Platinum Employer

active employee-led diversity pillars

WORK180 Endorsed Employer for Women

Job summary

nbn is seeking an Application Security Solution Architect to design secure application architectures and align security with business goals on Australia’s leading fibre platform. You will embed security into the SDLC, assess APIs and IAM, and apply threat modelling to cloud applications.

The role blends strategic thinking with practical problem-solving, guiding risk management and governance while collaborating with stakeholders and technology partners across the organization.

Qualifications

• A relevant diploma, degree, or equivalent professional experience.
• Certifications/licences in security are highly regarded.
• Ability to translate business needs into secure designs.

Responsibilities

• Deliver secure application solution architecture aligned with business goals.
• Define secure designs, assess APIs, IAM, and authentication.
• Apply threat modelling to modern cloud apps and DevSecOps.
• Embed security into the SDLC and guide software supply chains.
• Evaluate emerging tech and manage architectural risk.

Skills

Secure application architecture

API security

IAM

Threat modelling

Modern application architecture

DevSecOps

Cloud security

OWASP guidance

Education

Diploma/degree in security or related field

Tools

Kubernetes

PKI

Job description

Job Expectations

Build your career and Australia’s future. Not many people can say they are working on building Australia’s future. With us you’ll be doing just that, leaving a legacy for all Australians. Plus, there’s equal employment, great training, and true flexible working arrangements. A fantastic opportunity has presented itself for an Application Security Solution Architect reporting to Senior Manager Security Architecture

A bit about your role

This role is responsible for delivering secure application solution architecture, working closely with business stakeholders, delivery teams and technology partners to align security requirements with business objectives and technology roadmaps. You will define secure application designs, assess APIs and identity and access controls, and apply threat modelling to modern application architectures and cloud applications. You will embed security into the software development lifecycle and DevSecOps practices, address software vulnerabilities, and guide the protection of application data, secrets and software supply chains. The role combines strategic thinking and practical problem-solving to evaluate emerging technologies, including AI-enabled applications, manage architectural risks, and support scalable, sustainable solutions through effective collaboration and security governance.

A bit about you

The ideal candidate will have experience in application security architecture or a related field, with the ability to translate business needs into practical, secure application designs and deliver complex outcomes within established frameworks. You will bring sound judgement, strong stakeholder collaboration and the ability to communicate security risks and design decisions clearly to technical and non-technical audiences. The knowledge areas below reflect the relative importance of the skills required for this role. A relevant diploma, degree, or equivalent professional experience, along with certifications, licences, or specialist training where applicable, will be highly regarded.

Critical knowledge areas

• Strong practical knowledge of secure application architecture
• API security
• identity and access management (IAM), authentication and authorisation
• threat modelling
• modern application architecture
• secure software development lifecycle (SDLC) and DevSecOps
• cloud application security
• OWASP guidance and software vulnerabilities

High-importance knowledge areas

• Applied knowledge of data security
• secrets management, cryptography and public key infrastructure (PKI)
• Kubernetes and container security
• software supply-chain security

High / emerging knowledge area

• AI application security, with the ability to assess security risks and apply appropriate controls to AI-enabled applications

Medium-importance supporting knowledge areas

• Working knowledge of penetration testing, network security, and security operations practices and incident response, sufficient to collaborate with specialists and incorporate relevant findings into application designs.

Life at nbn

To be part of nbn is to be part of something bigger. There’s so much more from here. Our pioneering spirit drives us forward every day. Together, we help lift the digital capability of the nation by building and connecting Australia’s best fibre infrastructure into homes and businesses, plus places and things, everywhere. We’re continuing to create Australia’s network—a network made for more. Not just a way for everyone to do the things they love but transforming the way they do them. A more inclusive working world nbn is committed to an inclusive, flexible, and supportive workplace where everyone can feel heard, valued, and respected. We believe diverse perspectives are the key to unlocking greater outcomes and encourage applications from people of all ages, nationalities, abilities, and cultures. That's why we have a Reconciliation Action Plan, Accessibility & Inclusion Plan, offer 18 weeks of paid parental leave, are a Pride in Diversity Platinum Employer, and have active employee-led diversity pillars.

Benefits

• Reconciliation Action Plan
• Accessibility & Inclusion Plan
• 18 weeks of paid parental leave
• Pride in Diversity Platinum Employer
• active employee-led diversity pillars
• WORK180 Endorsed Employer for Women

Equal Opportunities for All

We champion equal opportunities for all employees. If you have any accessibility requirements and would like to discuss adjustments for the recruitment process, please don’t hesitate to contact us by emailing [e-mail] or calling our Recruitment Accessibility Enquiry Line at [phone]. Please note, this line is dedicated to accessibility-related enquiries for the purposes of recruitment, and only enquiries related to accessibility adjustments will be answered. For other matters, please visit our Contact Us page on our website.

Worker Type Permanent Time Type Full time nbn is the team behind the design, build and operation of the nbn™ network - one of Australia’s largest technology infrastructure projects, which will help better connect Australians with each other and the rest of the world, no matter where you live. But the nbn™ network is so much more than access to fast internet. A state of the art communications network opens up a world of possibilities in areas such as education, business, innovation, healthcare, flexibility, and entertainment. It will help ensure our digital future, and give Australians benefits we can all enjoy, for decades to come.

Please note that this role is a permanent opportunity and applications will close at midnight on Thursday, 26th November. To be eligible for this role, you must have full working rights in Australia.