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
Our GEOSPACES team is instrumental in developing and maintaining innovative technologies that tackle evolving challenges within the intelligence community. Additionally, these roles will focus on designing, integrating, and validating complex tenant environments tailored to specific use cases, supporting critical customer objectives.
The Opportunity
As a Lead Architect, you will provide technical authority and architectural governance across the delivery of complex Defence ICT capabilities. You will play a critical role in shaping, assuring and guiding system architecture from concept through to deployment and operational handover.
Working within a system integration delivery model, you will collaborate with engineering, infrastructure, security and project teams to ensure solutions are secure, resilient and aligned to Defence requirements.
Provide overall technical leadership and architectural authority across delivery
Define and maintain architecture designs, standards and technical baselines
Review and assure key engineering artefacts including architecture and traceability outputs
Guide delivery teams through design reviews and technical assurance activities
Ensure alignment between architecture, implementation and integration across systems
Support technical governance forums such as design reviews and change boards
Identify and manage integration risks, dependencies and technical constraints
Support verification, validation, deployment and transition into operations
About You
Essential for this role: -
Proven experience as a Lead or Senior Architect within complex ICT or Defence environments
Strong expertise across system architecture, integration and multi-domain solutions
Experience delivering across full lifecycle (design, build, test, deployment and handover)
Demonstrated experience providing technical governance and design assurance
Strong stakeholder engagement skills with the ability to clearly communicate complex technical designs
Experience guiding cross-functional teams without direct line management authority
Advantageous, but not essential: -
Experience within Defence or national security environments
Exposure to geospatial or mission systems
Familiarity with Defence governance or assurance frameworks (e.g. ATO-aligned delivery)
This role requires the successful applicant to be an Australian citizen and hold, or be eligible to obtain NV2 security clearance and be successful for DISA.
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 Michael Pua, 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.
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
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.
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
