About Leidos Australia

At Leidos Australia, our work goes beyond a job title. We design, build, operate and support the systems, services and capabilities that help protect and advance the Australian way of life.

Backed by a global organisation of more than 40,000 people, our Australian team of around 2,000 has partnered with government, defence and national security customers for more than 30 years. We deliver mission-critical solutions where reliability, trust and purpose matter.

Leidos is a destination for people who want their work to have purpose, their contribution to be recognised, and their career to grow without needing to fit a single mould. Meaningful work is supported by benefits, flexibility and career pathways that help you grow while balancing life outside work. This includes:

• Flex Your Way – Tailor work to your life with options including Life Days (up to 12 extra days off per year), part-time arrangements, job sharing, and compressed hours.
• Wellbeing That Matters – Free access to Headspace and MeQuilibrium, plus dedicated wellness spaces to support your mental, physical, and emotional wellbeing.
• Learn Without Limits – Access over 120,000 on-demand courses, alongside technical, project management, leadership, and professional development opportunities.
• Work That Makes an Impact – Contribute to nationally significant projects that matter, solve complex challenges, and accelerate your career through unique growth opportunities.
• Build Your Future – Whether you're deepening technical expertise or preparing for leadership, we'll invest in your development every step of the way.
• And Much More – These are just a few of the ways we invest in our people and help them thrive.

About the Team

You’ll join a team where people work with integrity, inclusion, innovation, agility, collaboration and commitment. In practice, that means sharing ownership, solving complex problems together and staying connected to the customer context, the purpose behind the work and how each role contributes to meaningful outcomes.

Defence Digital Modernisation (DDM) enables Defence through the delivery of secure, mission-critical technology services and digital transformation initiatives. Using cloud, DevSecOps, automation, cybersecurity and AI, DDM helps modernise complex environments and strengthen Defence's operational capability.

The Opportunity

As an Enterprise Cloud and Platform Architect, you will shape the architecture, governance and evolution of enterprise hosting, cloud, virtualisation, identity and platform services supporting Defence and national security customers. Working across complex hybrid environments, you will connect technology strategy with mission outcomes and help guide significant platform modernisation initiatives.

• Develop enterprise cloud and infrastructure architectures, technology roadmaps, reference architectures and design patterns aligned with customer objectives.
• Design and govern hybrid cloud environments spanning AWS, Microsoft Azure and other cloud platforms, including landing zones, migration strategies, integration patterns and operating models.
• Guide the modernisation of enterprise hosting and virtualisation services, including container platforms, software-defined infrastructure and the transition from legacy technologies.
• Partner with customer stakeholders, engineering and service delivery teams, security specialists, technology vendors and senior leaders to facilitate architecture workshops, technical reviews, governance and assurance activities.

About You

You bring enterprise-level cloud and platform architecture experience and can translate complex technical considerations into clear, practical direction for technical and executive audiences. You are comfortable working across architecture, engineering, security and service delivery functions to balance modernisation opportunities with operational and accreditation requirements.

Essential:

• At least seven years’ experience in cloud and platform engineering and/or architecture.
• Experience designing enterprise hybrid cloud environments using AWS and/or Microsoft Azure, including cloud migration, transformation, governance, security and operating models.
• Experience across enterprise data centre and hosting environments, including VMware vSphere, virtualisation, workload migration and storage, compute and networking architectures.
• Capability in developing technology roadmaps, architecture artefacts, design patterns and reference architectures.
• Experience contributing to architecture governance, design reviews and technical assurance activities.
• Ability to engage senior customer stakeholders, technology partners and multidisciplinary delivery teams, and to communicate technical concepts clearly to executive audiences.
• A bachelor’s degree or relevant qualification in Computer Science, Information Technology, Engineering or a related discipline.

Advantageous:

• Experience with Kubernetes, Nutanix, container platforms or software-defined infrastructure.
• Knowledge of DevSecOps, automation and infrastructure-as-code practices.
• Experience with Oracle Cloud or Google Distributed Cloud.
• Knowledge of Active Directory, Microsoft Entra, identity federation or privileged access management.
• Experience delivering security architecture within highly regulated environments.
• Relevant cloud, enterprise architecture, VMware or Nutanix certifications, particularly AWS or Microsoft Azure architecture qualifications.
• Experience working with Agile delivery and DevOps practices.

This role requires the successful applicant to be an Australian citizen and hold an NV-1 security clearance.

If this role interests you, we encourage you to apply. We value different experiences and are interested in the capability and potential you could bring.

What to Expect When You Apply

Our hiring process is designed to be straightforward, respectful and easy to navigate. If your skills, experience and qualifications look aligned with the role, our Talent Acquisition team will contact you to discuss the next stage. You can expect:

• An initial conversation with our Talent Acquisition team
• An interview with the hiring manager or interview panel
• Any role-specific assessment, technical discussion or customer step required for the position

We’ll let you know what to expect before each stage, including who you’ll meet and how to prepare. If you need any adjustments or support during the process, please let us know.

Ready to explore what’s possible?

If this sounds like a role where you can make an impact and continue to grow, we’d like to hear from you. Please apply via the “Apply Now” button with your resume. If you have any questions about the role or recruitment process, please contact Praveena Sundarakumar, Talent Acquisition.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

Pay Range:

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.