DevSecOps Engineer

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.

• 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)

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

As a DevSecOps Engineer, you will play a key role in embedding security, automation and reliability across the software delivery lifecycle. Working closely with engineering, security and platform teams, you will help shape and maintain secure, scalable solutions that support mission critical capabilities and modern digital services.

• Design, implement and enhance secure CI/CD pipelines, ensuring security controls are integrated throughout the development and deployment lifecycle.
• Collaborate with software engineers, cloud specialists and cyber security teams to improve platform reliability, automate operational processes and strengthen security posture.
• Develop and maintain infrastructure as code, cloud native environments and security tooling that enable scalable, repeatable and compliant delivery practices.
• Support continuous improvement initiatives by identifying opportunities to optimise automation, monitoring, vulnerability management and DevSecOps practices across the delivery environment.

About You

You are passionate about building secure, resilient and automated technology solutions and enjoy working in collaborative, multidisciplinary teams. You bring a practical approach to balancing security, operational efficiency and delivery outcomes in complex technology environments.

Essential Experience

• Experience in DevSecOps, Platform Engineering, Site Reliability Engineering or a similar role.
• Experience designing and managing CI/CD pipelines using tools such as Azure DevOps, GitLab, GitHub Actions, Jenkins or similar platforms.
• Capability in cloud technologies and services, preferably within Azure, AWS or Google Cloud environments.
• Experience with Infrastructure as Code tools such as Terraform, Bicep, CloudFormation or equivalent.
• Knowledge of secure software development practices, vulnerability management, application security testing and security by design principles.
• Experience with containerisation and orchestration technologies such as Docker and Kubernetes.
• Ability to automate operational and security processes using scripting languages such as Python, PowerShell or Bash.
• Well developed communication skills with the ability to collaborate effectively across engineering, security and business stakeholders.

Advantageous Experience

• Experience supporting regulated, enterprise scale or mission critical environments.
• Knowledge of Zero Trust architecture, cloud security frameworks and compliance requirements.
• Experience implementing security tooling such as SAST, DAST, secret scanning, dependency management or container security solutions.
• Relevant industry certifications such as Azure, AWS, Kubernetes, DevOps or Cyber Security certifications.
• Experience working within Agile delivery environments and contributing to continuous improvement initiatives.

Additional Requirements

This role does require the successful applicant to be an Australian Citizen and hold an NV 1 security clearance.

What to Expect When You Apply

Our hiring process is designed to be straightforward, respectful and easy to navigate.

• 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.

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.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2billion for the fiscal year ended January2,2026.

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.

Pay and Benefits

• Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement.
• More details are available here.

Securing Your Data

Leidos will never ask you to provide payment related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment related information or any other personal information, please report the email to .

Commitment and Diversity

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.