Senior DevOps Engineer

Leidos Australia Pty Ltd; Melbourne; On-site; AUD 140,000 - 180,000; Full time

Job summary

Leidos Australia Pty Ltd is seeking a Senior DevOps Engineer to design, implement and maintain CI/CD pipelines across AWS and on‑prem environments, leveraging IaC and automation to deliver secure, reliable software.

In this role you will mentor junior engineers, integrate security controls into delivery pipelines, and support deployments across development, test, staging and production, while championing DevSecOps practices in a regulated environment.

Qualifications

• Extensive hands-on DevOps/DevSecOps experience in engineering or regulated environments.
• Strong CI/CD, IaC, automation and production support skills.
• Experience with AWS and on‑premises, GitLab runners and secure software delivery.

Responsibilities

• Design, build and maintain CI/CD pipelines supporting build, test, security scanning and deployment.
• Develop and automate infrastructure using IaC and Configuration as Code.
• Support DevOps/DevSecOps platforms across development, test, staging and production environments.
• Work with Docker, Kubernetes and automation tooling to improve platform reliability and delivery.
• Integrate security controls, monitoring, logging and alerting into automated delivery pipelines.
• Troubleshoot complex platform, deployment and pipeline issues.
• Mentor junior engineers and drive continuous improvement across DevOps practices.

Skills

CI/CD

Infrastructure as Code

Automation

AWS

GitLab

Docker

Kubernetes

Security practices

DevSecOps

Production support

Tools

GitLab

AWS

Docker

Kubernetes

Job description

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

We’re looking for an experienced Senior DevOps Engineer to support complex, mission‑critical systems in a secure engineering environment. You’ll work across the full DevOps/DevSecOps lifecycle, designing automated platforms, building CI/CD pipelines, implementing Infrastructure as Code, integrating security controls and supporting reliable deployments.

In this role you will:

Design, build and maintain CI/CD pipelines supporting build, test, security scanning and deployment.

Work with AWS and on‑prem. The CI/CD pipelines are GitLab runners.

Develop and automate infrastructure using Infrastructure as Code (IaC) and Configuration as Code.

Support DevOps/DevSecOps platforms across development, test, staging and production environments.

Work with Docker, Kubernetes and automation tooling to improve platform reliability and delivery.

Integrate security controls, monitoring, logging and alerting into automated delivery pipelines.

Troubleshoot complex platform, deployment and pipeline issues.

Support releases, deployments and rollback activities.

Mentor junior engineers and drive continuous improvement across DevOps practices.

About you:

You will have strong experience in a Senior DevOps or DevSecOps role within an engineering, enterprise or regulated environment with extensive hands‑on experience with CI/CD, Infrastructure as Code, automation and production support. Experience integrating security practices into software delivery

Experience working in a senior DevOps or DevSecOps role within an engineering or project environment

Experience with AWS and on‑prem. The CI/CD pipelines are GitLab runners

Extensive experience with CI/CD tools and technologies

Experience with Infrastructure as Code and automation tooling

Experience integrating security practices into software delivery pipelines.

Advantageous:

Experience working in a senior DevOps or DevSecOps role within an engineering or project environment

Extensive experience with CI/CD tools and technologies

Experience with Infrastructure as Code and automation tooling

Experience integrating security practices into software delivery pipelines

Experience operating and supporting production systems

Agile, Kanban, and associated delivery methodologies.

Due to the nature of the role, you must be an Australian Citizen and hold an active TSPV security clearance, accompanied by the ability to be successful for a DISA.

Certain roles may be subject International Traffic in Arms Regulations (ITAR) requirements which may limit persons who hold dual nationality with certain proscribed countries from accessing material, or in the case of dual Australian‑U.S citizens, may require the candidate to obtain a U.S. Persons Abroad authorisation from the U.S DDTC.