Downer seeks a Data & AI Security Lead to define data and AI security standards, governance and controls, provide security by design guidance for data platforms and AI solutions, and assess data handling, model and third‑party risks. You will work with Privacy, Legal, Risk, Architecture and Technology to embed security into initiatives, support monitoring and incident response, and report on posture. This visible role shapes security across a large enterprise and can be based in Sydney, Melbourne or Brisbane. Ideal candidates have 7+ years in IT or cyber security, knowledge of NIST, ISO 27001 and ASD Essential Eight, and relevant certifications; strong stakeholder influence and the ability to translate risk into business outcomes. To apply, tailor your resume to highlight governance, AI risk and security by design, and provide concrete cross functional examples.
This is an exciting opportunity for an experienced cyber security professional who combines strong technical expertise with strategic thinking and stakeholder influence. You will lead the development of data and AI security standards, provide expert guidance on emerging technology risks, and help ensure security is embedded into Downer's rapidly evolving digital landscape.
Reporting to the Cyber Platform Manager (SecOps), this role sits within the Security Engineering & Platforms team and works closely with Cyber Security, Group Technology, Risk, Privacy, Legal and business stakeholders to deliver secure, practical and risk-aligned outcomes.
This role offers the opportunity to influence security strategy and drive meaningful outcomes across some of Downer's most critical operational environments.
The position can be based in Sydney (North Ryde), Melbourne (Collins Street) or Brisbane (Milton).
About the Role
In this role you will:
This is a highly visible role where you will contribute to strategic decision-making while helping shape the future of data and AI security across a large and diverse enterprise environment.
Our Ideal Candidate
You are a collaborative and forward-thinking cyber security professional with strong expertise in data protection, governance and risk management. You are comfortable navigating emerging technologies, influencing stakeholders, and balancing security requirements with business objectives.
You bring a pragmatic approach to problem-solving and enjoy working across technical and non-technical teams to deliver practical, effective security outcomes.
What You Will Bring
7+ years' commercial experience in information technology or cyber security, with relevant experience in the role domain.
Demonstrated working knowledge of NIST standards, ISO/IEC 27001, ASD Essential Eight and cyber security controls.
Relevant professional certifications such as CISSP, CISM, CISA, CRISC, CompTIA Security+ or equivalent are desirable.
ITIL Foundation or equivalent service management experience is desirable.
Experience supporting data security, information protection, privacy-aligned risk management or AI governance activities.
Strong experience assessing security risks for data platforms, analytics, automation or AI-enabled solutions.
Experience working with Privacy, Legal, Risk, Architecture, Data and Technology stakeholders.
Experience translating data and AI security risks into business impact and practical controls.
Why Downer?
As a trusted name in infrastructure, transport, facilities management, and construction, Downer is committed to delivering projects that create a lasting, positive legacy.
We're committed to building a team that reflects the diverse communities we serve, and we welcome people of all ages, genders, sexual orientations, cultures, abilities, and lived experiences. We especially encourage applications from those whose voices have traditionally been underrepresented in our industry, including women, Aboriginal and Torres Strait Islander Peoples, Māori and Pasifika Peoples, veterans, people with disability, and neurodivergent individuals.
Even if your experience doesn't align perfectly with this role, we'd still like to hear from you. If it feels like the right fit, apply — potential counts, and so do you.
As a WORK180 Endorsed Employer, we support flexibility that works for your life, inclusive leadership that values your voice, and equitable access to opportunity so you can do your best work and bring your whole self to it.