Senior Software Engineer - 9 months

Leidos Australia; Canberra; On-site; AUD 120,000 - 150,000; Full time

Benefits offered by this job

Flex Your Way

Wellbeing

Learning & Development

Impactful Work

Career Growth

Job summary

Leidos Australia is seeking a Senior Software Engineer to join our Defence ICT team on a 9-month maximum-term contract, with potential extension. You will provide technical leadership across design, development and integration of software within a complex Defence ICT delivery program.

Work with architects, system integrators and project teams to ensure software solutions meet architecture, integration requirements and production-ready standards.

Qualifications

• Experience in software engineering within complex ICT environments (Defence or government highly regarded).
• Experience across full software lifecycle (design, build, integration, test and deployment).
• Strong collaboration and communication with stakeholders.
• Ability to troubleshoot complex technical issues.

Responsibilities

• Lead the design, development and integration of software components aligned to system requirements and architectural design
• Provide technical guidance and mentoring to junior software engineers
• Ensure software implementation aligns with architecture, integration requirements and delivery standards
• Oversee development of key capabilities including data processing, synchronisation and core services
• Support system integration across software, infrastructure and networking components
• Lead verification, validation and testing activities, ensuring delivery meets acceptance criteria
• Drive fault analysis and remediation to achieve system readiness and performance standards
• Contribute to technical documentation and support transition and handover to operations
• Collaborate with multidisciplinary teams to deliver integrated system outcomes

Skills

Java

Python

C++

Leadership

Job description

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.

Description

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.

Benefits

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

We are seeking a Senior Software Engineer to join our Defence ICT team on a 9-month maximum-term contract, with the potential for extension. In this role, you will provide technical leadership across the design, development and integration of software within a complex Defence ICT delivery program.

You will work closely with architects, system integrators and project teams to ensure software solutions are aligned to architecture, meet integration requirements and are delivered to production-ready standards.

• Lead the design, development and integration of software components aligned to system requirements and architectural design


• Provide technical guidance and mentoring to junior software engineers


• Ensure software implementation aligns with architecture, integration requirements and delivery standards


• Oversee development of key capabilities including data processing, synchronisation and core services


• Support system integration across software, infrastructure and networking components


• Lead verification, validation and testing activities, ensuring delivery meets acceptance criteria


• Drive fault analysis and remediation to achieve system readiness and performance standards


• Contribute to technical documentation and support transition and handover to operations


• Collaborate with multidisciplinary teams to deliver integrated system outcomes

About You

• Proven experience in software engineering within complex ICT environments (Defence or government highly regarded)


• Strong programming expertise (e.g. Java, Python, C++ or similar)


• Demonstrated experience leading or mentoring engineering teams


• Experience working across full software lifecycle (design, build, integration, test and deployment)


• Strong understanding of system integration and verification processes


• Ability to troubleshoot and resolve complex technical issues


• Strong stakeholder communication and collaboration skills

• Experience within Defence or national security environments


• Exposure to geospatial, data processing or distributed systems


• Experience working in secure or highly governed environments


• Familiarity with DevSecOps, CI/CD pipelines or containerised technologies

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.

We value different experiences and are interested in the capability and potential you could bring.

What To Expect When You Apply

• 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.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.