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.

Mission Software Systems (MSS) brings together expertise across intelligence, software, and cloud to deliver end-to-end capability supporting the full intelligence lifecycle, from planning through to dissemination and feedback.

The team fosters a culture of innovation, leveraging modern engineering practices and shared infrastructure to rapidly build, test, and deploy software solutions across a range of environments, including cloud. MSS also plays a key role in advancing technology modernisation within Government, delivering scalable and adaptable solutions for complex enterprise challenges.

The Opportunity

This is an exciting opportunity for a Systems Engineer to join a high-profile Defence program delivering mission-critical capability outcomes that support Australia's national security objectives. Working within a highly secure environment, you will contribute to the design, integration, verification and delivery of complex systems, collaborating with Defence stakeholders and multidisciplinary engineering teams to solve challenging technical problems.

In this role, you will:

• Support systems engineering activities across the project lifecycle, including requirements analysis, system design, integration, verification and validation.
• Collaborate with Defence customers, project teams and industry partners to develop and deliver capability solutions that meet operational and technical requirements.
• Contribute to engineering reviews, technical documentation, risk management activities and systems assurance processes within a secure Defence environment.
• Assist in the development of engineering artefacts and technical recommendations that support successful program delivery and capability outcomes.

About You

You are an experienced Systems Engineer who enjoys working in complex, highly regulated environments and contributing to capability outcomes that make a meaningful impact. You bring a collaborative approach, sound technical knowledge and the ability to work effectively with a range of stakeholders to deliver quality engineering outcomes.

Essential:

• Experience in Systems Engineering within Defence, aerospace, intelligence, national security or similarly complex environments.
• Experience supporting systems engineering activities across the system lifecycle, including requirements management, system design, integration, verification and validation.
• Ability to engage effectively with Defence customers, project stakeholders and multidisciplinary technical teams.
• Experience developing and maintaining engineering documentation, technical artefacts and compliance evidence.
• Knowledge of systems engineering methodologies, frameworks and industry standards.
• Tertiary qualifications in Engineering, Systems Engineering, Computer Science or a related discipline.

Advantageous:

• Experience supporting Defence acquisition, integration or sustainment programs.
• Familiarity with Model-Based Systems Engineering (MBSE) methodologies and associated toolsets.
• Experience working within secure ICT, communications, cyber security or Defence capability environments.
• Understanding of Defence security, accreditation and engineering governance requirements.
• Understanding of integrating geospatial capabilities into broader enterprise systems.

This role does require the successful applicant to be an Australian Citizen who holds a TSPV security clearance; accompanied by the ability to be successful for a DISA/OSA.

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 Mick Powar, Talent Acquisition Partner.

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.