​Systems Integrator – 4 Months

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

Join the GEO SPACES Program, a nationally significant capability delivering geospatial and mission-critical systems that support Australia’s Defence and national security objectives. This is an exciting 4-month contract opportunity for a Systems Integration Engineer to contribute to the delivery of complex Defence ICT capabilities within a secure and operationally critical environment. Working alongside architecture, engineering, security and project teams, you will play a key role in ensuring integration activities are well understood, appropriately planned and ready for execution.

• Review system requirements, technical documentation and interface artefacts to identify integration dependencies, risks, constraints and implementation considerations across complex ICT systems.

• Support subsystem and interface assessments, providing engineering insights and recommendations that inform integration planning and technical decision-making.

• Collaborate with multidisciplinary teams to align technical artefacts, integration activities and delivery outcomes, ensuring traceability and readiness for implementation.

• Contribute to documentation uplift, risk and dependency management, implementation planning activities and governance reviews that support successful program delivery within a Defence environment.

About You

You are an experienced Systems Integration or Systems Engineer with a background working in Defence, government or other complex enterprise ICT environments. You enjoy solving integration challenges, working across technical disciplines and helping ensure systems are delivered in a structured, well-governed and operationally effective manner.

Essential

• Experience in Systems Integration Engineering, Systems Engineering, Integration Engineering or a similar role supporting complex ICT environments.

• Understanding of system integration, interface management, technical documentation, subsystem design and implementation planning.

• Ability to identify technical dependencies, integration risks, delivery constraints and sequencing considerations across interconnected systems.

• Knowledge of ICT architectures, infrastructure environments, security controls, operational support models and service transition activities.

• Experience collaborating with architecture, engineering, security and project teams to review, align and improve technical artefacts and delivery outcomes.

• Well-developed communication and stakeholder engagement skills, with the ability to clearly communicate technical information to both technical and non-technical audiences.

Advantageous

• Tertiary qualifications in Systems Engineering, Information and Communications Technology, Cyber Security, Infrastructure Engineering or a related discipline.

• Experience supporting Defence governance, design assurance, security accreditation or service transition activities.

• Exposure to documentation uplift initiatives, CDRL reviews, implementation planning, ROM development or project scheduling activities.

• Familiarity with structured engineering methodologies, requirements management tools and architecture review processes.

• Experience working within classified or multi-classification Defence ICT environments.

This role requires the successful applicant to be an Australian Citizen and hold an active NV2 Security Clearance, with the ability to obtain and maintain a 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 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.